2 e6bcace5 2021-06-22 stsp * Copyright (c) 2020 Ori Bernstein
3 e6bcace5 2021-06-22 stsp * Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
5 e6bcace5 2021-06-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 e6bcace5 2021-06-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 e6bcace5 2021-06-22 stsp * copyright notice and this permission notice appear in all copies.
9 e6bcace5 2021-06-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 e6bcace5 2021-06-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 e6bcace5 2021-06-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 e6bcace5 2021-06-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 e6bcace5 2021-06-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 e6bcace5 2021-06-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 e6bcace5 2021-06-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 08736cf9 2021-06-23 stsp #include <sys/types.h>
19 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
20 08736cf9 2021-06-23 stsp #include <sys/uio.h>
21 e6bcace5 2021-06-22 stsp #include <sys/stat.h>
22 31ba2236 2022-01-05 thomas #include <sys/time.h>
23 d93dda9a 2022-05-12 thomas #include <sys/mman.h>
25 d93dda9a 2022-05-12 thomas #include <errno.h>
26 08736cf9 2021-06-23 stsp #include <stdint.h>
27 60b94e7d 2022-07-19 thomas #include <inttypes.h>
28 e6bcace5 2021-06-22 stsp #include <stdio.h>
29 e6bcace5 2021-06-22 stsp #include <stdlib.h>
30 e6bcace5 2021-06-22 stsp #include <string.h>
31 31ba2236 2022-01-05 thomas #include <time.h>
32 db847d2c 2022-03-22 thomas #include <unistd.h>
33 e6bcace5 2021-06-22 stsp #include <limits.h>
34 e6bcace5 2021-06-22 stsp #include <zlib.h>
36 b347007e 2021-10-15 thomas #if defined(__FreeBSD__)
37 b347007e 2021-10-15 thomas #include <unistd.h>
40 e6bcace5 2021-06-22 stsp #include "got_error.h"
41 e6bcace5 2021-06-22 stsp #include "got_cancel.h"
42 e6bcace5 2021-06-22 stsp #include "got_object.h"
43 0be8fa4c 2021-10-15 thomas #include "got_path.h"
44 05118f5a 2021-06-22 stsp #include "got_reference.h"
45 05118f5a 2021-06-22 stsp #include "got_repository_admin.h"
47 e6bcace5 2021-06-22 stsp #include "got_lib_deltify.h"
48 e6bcace5 2021-06-22 stsp #include "got_lib_delta.h"
49 e6bcace5 2021-06-22 stsp #include "got_lib_object.h"
50 e6bcace5 2021-06-22 stsp #include "got_lib_object_idset.h"
51 05118f5a 2021-06-22 stsp #include "got_lib_object_cache.h"
52 e6bcace5 2021-06-22 stsp #include "got_lib_deflate.h"
53 e6bcace5 2021-06-22 stsp #include "got_lib_pack.h"
54 036966ba 2022-05-31 thomas #include "got_lib_pack_create.h"
55 05118f5a 2021-06-22 stsp #include "got_lib_privsep.h"
56 05118f5a 2021-06-22 stsp #include "got_lib_repository.h"
57 31ba2236 2022-01-05 thomas #include "got_lib_ratelimit.h"
58 9249e7e3 2022-05-12 thomas #include "got_lib_inflate.h"
60 d23a6c95 2022-05-31 thomas #include "murmurhash2.h"
62 b79280dd 2021-10-15 thomas #ifndef MIN
63 b79280dd 2021-10-15 thomas #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
67 e6bcace5 2021-06-22 stsp #define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
70 5fe7b5c1 2022-04-16 thomas #ifndef nitems
71 5fe7b5c1 2022-04-16 thomas #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
74 e6bcace5 2021-06-22 stsp struct got_pack_meta {
75 e6bcace5 2021-06-22 stsp struct got_object_id id;
76 d23a6c95 2022-05-31 thomas uint32_t path_hash;
77 e6bcace5 2021-06-22 stsp int obj_type;
78 ab6186ae 2021-10-15 thomas off_t size;
79 e6bcace5 2021-06-22 stsp time_t mtime;
81 e6bcace5 2021-06-22 stsp /* The best delta we picked */
82 e6bcace5 2021-06-22 stsp struct got_pack_meta *head;
83 e6bcace5 2021-06-22 stsp struct got_pack_meta *prev;
84 9249e7e3 2022-05-12 thomas unsigned char *delta_buf; /* if encoded in memory (compressed) */
85 9249e7e3 2022-05-12 thomas off_t delta_offset; /* offset in delta cache file (compressed) */
86 3b6ceab7 2022-01-10 thomas off_t delta_len; /* encoded delta length */
87 9249e7e3 2022-05-12 thomas off_t delta_compressed_len; /* encoded+compressed delta length */
90 f9c2e8e5 2022-02-13 thomas off_t reused_delta_offset; /* offset of delta in reused pack file */
91 f9c2e8e5 2022-02-13 thomas struct got_object_id *base_obj_id;
93 e6bcace5 2021-06-22 stsp /* Only used for delta window */
94 e6bcace5 2021-06-22 stsp struct got_delta_table *dtab;
96 e6bcace5 2021-06-22 stsp /* Only used for writing offset deltas */
100 e6bcace5 2021-06-22 stsp struct got_pack_metavec {
101 e6bcace5 2021-06-22 stsp struct got_pack_meta **meta;
103 e6bcace5 2021-06-22 stsp int metasz;
106 e6bcace5 2021-06-22 stsp static const struct got_error *
107 e6bcace5 2021-06-22 stsp alloc_meta(struct got_pack_meta **new, struct got_object_id *id,
108 cc524d36 2022-05-31 thomas const char *path, int obj_type, time_t mtime, uint32_t seed)
110 e6bcace5 2021-06-22 stsp struct got_pack_meta *m;
112 e6bcace5 2021-06-22 stsp *new = NULL;
114 e6bcace5 2021-06-22 stsp m = calloc(1, sizeof(*m));
115 e6bcace5 2021-06-22 stsp if (m == NULL)
116 b7e0a384 2021-10-15 thomas return got_error_from_errno("calloc");
118 e6bcace5 2021-06-22 stsp memcpy(&m->id, id, sizeof(m->id));
120 cc524d36 2022-05-31 thomas m->path_hash = murmurhash2(path, strlen(path), seed);
121 e6bcace5 2021-06-22 stsp m->obj_type = obj_type;
122 e6bcace5 2021-06-22 stsp m->mtime = mtime;
124 e6bcace5 2021-06-22 stsp return NULL;
127 e6bcace5 2021-06-22 stsp static void
128 e6bcace5 2021-06-22 stsp clear_meta(struct got_pack_meta *meta)
130 e6bcace5 2021-06-22 stsp if (meta == NULL)
132 d23a6c95 2022-05-31 thomas meta->path_hash = 0;
133 3b6ceab7 2022-01-10 thomas free(meta->delta_buf);
134 3b6ceab7 2022-01-10 thomas meta->delta_buf = NULL;
135 f9c2e8e5 2022-02-13 thomas free(meta->base_obj_id);
136 f9c2e8e5 2022-02-13 thomas meta->base_obj_id = NULL;
137 6c0788af 2022-05-31 thomas meta->reused_delta_offset = 0;
140 e6bcace5 2021-06-22 stsp static void
141 e6bcace5 2021-06-22 stsp free_nmeta(struct got_pack_meta **meta, int nmeta)
145 e6bcace5 2021-06-22 stsp for (i = 0; i < nmeta; i++)
146 e6bcace5 2021-06-22 stsp clear_meta(meta[i]);
147 e6bcace5 2021-06-22 stsp free(meta);
151 e6bcace5 2021-06-22 stsp delta_order_cmp(const void *pa, const void *pb)
153 e6bcace5 2021-06-22 stsp struct got_pack_meta *a, *b;
155 e6bcace5 2021-06-22 stsp a = *(struct got_pack_meta **)pa;
156 e6bcace5 2021-06-22 stsp b = *(struct got_pack_meta **)pb;
158 e6bcace5 2021-06-22 stsp if (a->obj_type != b->obj_type)
159 e6bcace5 2021-06-22 stsp return a->obj_type - b->obj_type;
160 d23a6c95 2022-05-31 thomas if (a->path_hash < b->path_hash)
161 d23a6c95 2022-05-31 thomas return -1;
162 d23a6c95 2022-05-31 thomas if (a->path_hash > b->path_hash)
163 d23a6c95 2022-05-31 thomas return 1;
164 f6b43367 2022-05-01 thomas if (a->mtime < b->mtime)
165 f6b43367 2022-05-01 thomas return -1;
166 f6b43367 2022-05-01 thomas if (a->mtime > b->mtime)
167 f6b43367 2022-05-01 thomas return 1;
168 e6bcace5 2021-06-22 stsp return got_object_id_cmp(&a->id, &b->id);
171 3b6ceab7 2022-01-10 thomas static off_t
172 e6bcace5 2021-06-22 stsp delta_size(struct got_delta_instruction *deltas, int ndeltas)
175 3b6ceab7 2022-01-10 thomas off_t size = 32;
176 e6bcace5 2021-06-22 stsp for (i = 0; i < ndeltas; i++) {
177 e6bcace5 2021-06-22 stsp if (deltas[i].copy)
178 e6bcace5 2021-06-22 stsp size += GOT_DELTA_SIZE_SHIFT;
180 e6bcace5 2021-06-22 stsp size += deltas[i].len + 1;
182 e6bcace5 2021-06-22 stsp return size;
185 3b6ceab7 2022-01-10 thomas static const struct got_error *
186 3b6ceab7 2022-01-10 thomas append(unsigned char **p, size_t *len, off_t *sz, void *seg, int nseg)
190 3b6ceab7 2022-01-10 thomas if (*len + nseg >= *sz) {
191 3b6ceab7 2022-01-10 thomas while (*len + nseg >= *sz)
192 3b6ceab7 2022-01-10 thomas *sz += *sz / 2;
193 3b6ceab7 2022-01-10 thomas n = realloc(*p, *sz);
194 3b6ceab7 2022-01-10 thomas if (n == NULL)
195 3b6ceab7 2022-01-10 thomas return got_error_from_errno("realloc");
198 3b6ceab7 2022-01-10 thomas memcpy(*p + *len, seg, nseg);
199 3b6ceab7 2022-01-10 thomas *len += nseg;
200 3b6ceab7 2022-01-10 thomas return NULL;
203 3b6ceab7 2022-01-10 thomas static const struct got_error *
204 3b6ceab7 2022-01-10 thomas encode_delta_in_mem(struct got_pack_meta *m, struct got_raw_object *o,
205 3b6ceab7 2022-01-10 thomas struct got_delta_instruction *deltas, int ndeltas,
206 3b6ceab7 2022-01-10 thomas off_t delta_size, off_t base_size)
208 3b6ceab7 2022-01-10 thomas const struct got_error *err;
209 3b6ceab7 2022-01-10 thomas unsigned char buf[16], *bp;
210 3b6ceab7 2022-01-10 thomas int i, j;
211 9249e7e3 2022-05-12 thomas size_t len = 0, compressed_len;
212 9249e7e3 2022-05-12 thomas off_t bufsize = delta_size;
214 3b6ceab7 2022-01-10 thomas struct got_delta_instruction *d;
215 9249e7e3 2022-05-12 thomas uint8_t *delta_buf;
217 9249e7e3 2022-05-12 thomas delta_buf = malloc(bufsize);
218 9249e7e3 2022-05-12 thomas if (delta_buf == NULL)
219 9249e7e3 2022-05-12 thomas return got_error_from_errno("malloc");
221 3b6ceab7 2022-01-10 thomas /* base object size */
222 3b6ceab7 2022-01-10 thomas buf[0] = base_size & GOT_DELTA_SIZE_VAL_MASK;
223 3b6ceab7 2022-01-10 thomas n = base_size >> GOT_DELTA_SIZE_SHIFT;
224 3b6ceab7 2022-01-10 thomas for (i = 1; n > 0; i++) {
225 3b6ceab7 2022-01-10 thomas buf[i - 1] |= GOT_DELTA_SIZE_MORE;
226 3b6ceab7 2022-01-10 thomas buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
227 3b6ceab7 2022-01-10 thomas n >>= GOT_DELTA_SIZE_SHIFT;
229 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize, buf, i);
231 9249e7e3 2022-05-12 thomas goto done;
233 3b6ceab7 2022-01-10 thomas /* target object size */
234 3b6ceab7 2022-01-10 thomas buf[0] = o->size & GOT_DELTA_SIZE_VAL_MASK;
235 3b6ceab7 2022-01-10 thomas n = o->size >> GOT_DELTA_SIZE_SHIFT;
236 3b6ceab7 2022-01-10 thomas for (i = 1; n > 0; i++) {
237 3b6ceab7 2022-01-10 thomas buf[i - 1] |= GOT_DELTA_SIZE_MORE;
238 3b6ceab7 2022-01-10 thomas buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
239 3b6ceab7 2022-01-10 thomas n >>= GOT_DELTA_SIZE_SHIFT;
241 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize, buf, i);
243 9249e7e3 2022-05-12 thomas goto done;
245 3b6ceab7 2022-01-10 thomas for (j = 0; j < ndeltas; j++) {
246 3b6ceab7 2022-01-10 thomas d = &deltas[j];
247 3b6ceab7 2022-01-10 thomas if (d->copy) {
248 3b6ceab7 2022-01-10 thomas n = d->offset;
249 3b6ceab7 2022-01-10 thomas bp = &buf[1];
250 3b6ceab7 2022-01-10 thomas buf[0] = GOT_DELTA_BASE_COPY;
251 3b6ceab7 2022-01-10 thomas for (i = 0; i < 4; i++) {
252 3b6ceab7 2022-01-10 thomas /* DELTA_COPY_OFF1 ... DELTA_COPY_OFF4 */
253 3b6ceab7 2022-01-10 thomas buf[0] |= 1 << i;
254 3b6ceab7 2022-01-10 thomas *bp++ = n & 0xff;
256 3b6ceab7 2022-01-10 thomas if (n == 0)
260 3b6ceab7 2022-01-10 thomas n = d->len;
261 3b6ceab7 2022-01-10 thomas if (n != GOT_DELTA_COPY_DEFAULT_LEN) {
262 3b6ceab7 2022-01-10 thomas /* DELTA_COPY_LEN1 ... DELTA_COPY_LEN3 */
263 3b6ceab7 2022-01-10 thomas for (i = 0; i < 3 && n > 0; i++) {
264 3b6ceab7 2022-01-10 thomas buf[0] |= 1 << (i + 4);
265 3b6ceab7 2022-01-10 thomas *bp++ = n & 0xff;
269 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
270 3b6ceab7 2022-01-10 thomas buf, bp - buf);
272 9249e7e3 2022-05-12 thomas goto done;
273 3b6ceab7 2022-01-10 thomas } else if (o->f == NULL) {
275 3b6ceab7 2022-01-10 thomas while (n != d->len) {
276 3b6ceab7 2022-01-10 thomas buf[0] = (d->len - n < 127) ? d->len - n : 127;
277 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
280 9249e7e3 2022-05-12 thomas goto done;
281 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
282 3b6ceab7 2022-01-10 thomas o->data + o->hdrlen + d->offset + n,
285 9249e7e3 2022-05-12 thomas goto done;
286 3b6ceab7 2022-01-10 thomas n += buf[0];
289 3b6ceab7 2022-01-10 thomas char content[128];
290 3b6ceab7 2022-01-10 thomas size_t r;
291 9249e7e3 2022-05-12 thomas if (fseeko(o->f, o->hdrlen + d->offset, SEEK_SET) == -1) {
292 9249e7e3 2022-05-12 thomas err = got_error_from_errno("fseeko");
293 9249e7e3 2022-05-12 thomas goto done;
296 3b6ceab7 2022-01-10 thomas while (n != d->len) {
297 3b6ceab7 2022-01-10 thomas buf[0] = (d->len - n < 127) ? d->len - n : 127;
298 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
301 9249e7e3 2022-05-12 thomas goto done;
302 3b6ceab7 2022-01-10 thomas r = fread(content, 1, buf[0], o->f);
303 9249e7e3 2022-05-12 thomas if (r != buf[0]) {
304 9249e7e3 2022-05-12 thomas err = got_ferror(o->f, GOT_ERR_IO);
305 9249e7e3 2022-05-12 thomas goto done;
307 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
308 3b6ceab7 2022-01-10 thomas content, buf[0]);
310 9249e7e3 2022-05-12 thomas goto done;
311 3b6ceab7 2022-01-10 thomas n += buf[0];
316 9249e7e3 2022-05-12 thomas err = got_deflate_to_mem_mmap(&m->delta_buf, &compressed_len,
317 9249e7e3 2022-05-12 thomas NULL, NULL, delta_buf, 0, len);
319 9249e7e3 2022-05-12 thomas goto done;
321 3b6ceab7 2022-01-10 thomas m->delta_len = len;
322 9249e7e3 2022-05-12 thomas m->delta_compressed_len = compressed_len;
324 9249e7e3 2022-05-12 thomas free(delta_buf);
325 9249e7e3 2022-05-12 thomas return err;
328 b79280dd 2021-10-15 thomas static const struct got_error *
329 b79280dd 2021-10-15 thomas encode_delta(struct got_pack_meta *m, struct got_raw_object *o,
330 b79280dd 2021-10-15 thomas struct got_delta_instruction *deltas, int ndeltas,
331 d0772de9 2021-10-15 thomas off_t base_size, FILE *f)
333 9249e7e3 2022-05-12 thomas const struct got_error *err;
334 d0772de9 2021-10-15 thomas unsigned char buf[16], *bp;
335 d0772de9 2021-10-15 thomas int i, j;
337 9249e7e3 2022-05-12 thomas struct got_deflate_buf zb;
338 d0772de9 2021-10-15 thomas struct got_delta_instruction *d;
339 9249e7e3 2022-05-12 thomas off_t delta_len = 0, compressed_len = 0;
341 9249e7e3 2022-05-12 thomas err = got_deflate_init(&zb, NULL, GOT_DEFLATE_BUFSIZE);
343 9249e7e3 2022-05-12 thomas return err;
345 d0772de9 2021-10-15 thomas /* base object size */
346 d0772de9 2021-10-15 thomas buf[0] = base_size & GOT_DELTA_SIZE_VAL_MASK;
347 d0772de9 2021-10-15 thomas n = base_size >> GOT_DELTA_SIZE_SHIFT;
348 d0772de9 2021-10-15 thomas for (i = 1; n > 0; i++) {
349 d0772de9 2021-10-15 thomas buf[i - 1] |= GOT_DELTA_SIZE_MORE;
350 d0772de9 2021-10-15 thomas buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
351 d0772de9 2021-10-15 thomas n >>= GOT_DELTA_SIZE_SHIFT;
354 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb, &compressed_len,
355 9249e7e3 2022-05-12 thomas buf, 0, i, f, NULL);
357 9249e7e3 2022-05-12 thomas goto done;
358 9249e7e3 2022-05-12 thomas delta_len += i;
360 d0772de9 2021-10-15 thomas /* target object size */
361 d0772de9 2021-10-15 thomas buf[0] = o->size & GOT_DELTA_SIZE_VAL_MASK;
362 d0772de9 2021-10-15 thomas n = o->size >> GOT_DELTA_SIZE_SHIFT;
363 d0772de9 2021-10-15 thomas for (i = 1; n > 0; i++) {
364 d0772de9 2021-10-15 thomas buf[i - 1] |= GOT_DELTA_SIZE_MORE;
365 d0772de9 2021-10-15 thomas buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
366 d0772de9 2021-10-15 thomas n >>= GOT_DELTA_SIZE_SHIFT;
369 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb, &compressed_len,
370 9249e7e3 2022-05-12 thomas buf, 0, i, f, NULL);
372 9249e7e3 2022-05-12 thomas goto done;
373 9249e7e3 2022-05-12 thomas delta_len += i;
375 d0772de9 2021-10-15 thomas for (j = 0; j < ndeltas; j++) {
376 d0772de9 2021-10-15 thomas d = &deltas[j];
377 d0772de9 2021-10-15 thomas if (d->copy) {
378 d0772de9 2021-10-15 thomas n = d->offset;
379 d0772de9 2021-10-15 thomas bp = &buf[1];
380 d0772de9 2021-10-15 thomas buf[0] = GOT_DELTA_BASE_COPY;
381 d0772de9 2021-10-15 thomas for (i = 0; i < 4; i++) {
382 d0772de9 2021-10-15 thomas /* DELTA_COPY_OFF1 ... DELTA_COPY_OFF4 */
383 d0772de9 2021-10-15 thomas buf[0] |= 1 << i;
384 d0772de9 2021-10-15 thomas *bp++ = n & 0xff;
386 d0772de9 2021-10-15 thomas if (n == 0)
389 d0772de9 2021-10-15 thomas n = d->len;
390 d0772de9 2021-10-15 thomas if (n != GOT_DELTA_COPY_DEFAULT_LEN) {
391 d0772de9 2021-10-15 thomas /* DELTA_COPY_LEN1 ... DELTA_COPY_LEN3 */
392 d0772de9 2021-10-15 thomas for (i = 0; i < 3 && n > 0; i++) {
393 d0772de9 2021-10-15 thomas buf[0] |= 1 << (i + 4);
394 d0772de9 2021-10-15 thomas *bp++ = n & 0xff;
398 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
399 9249e7e3 2022-05-12 thomas &compressed_len, buf, 0, bp - buf, f, NULL);
401 9249e7e3 2022-05-12 thomas goto done;
402 9249e7e3 2022-05-12 thomas delta_len += (bp - buf);
403 2b0ae357 2022-01-10 thomas } else if (o->f == NULL) {
405 2b0ae357 2022-01-10 thomas while (n != d->len) {
406 2b0ae357 2022-01-10 thomas buf[0] = (d->len - n < 127) ? d->len - n : 127;
407 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
408 9249e7e3 2022-05-12 thomas &compressed_len, buf, 0, 1, f, NULL);
410 9249e7e3 2022-05-12 thomas goto done;
411 9249e7e3 2022-05-12 thomas delta_len++;
412 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
413 9249e7e3 2022-05-12 thomas &compressed_len,
414 9249e7e3 2022-05-12 thomas o->data + o->hdrlen + d->offset + n, 0,
415 9249e7e3 2022-05-12 thomas buf[0], f, NULL);
417 9249e7e3 2022-05-12 thomas goto done;
418 9249e7e3 2022-05-12 thomas delta_len += buf[0];
419 2b0ae357 2022-01-10 thomas n += buf[0];
422 d0772de9 2021-10-15 thomas char content[128];
423 d0772de9 2021-10-15 thomas size_t r;
424 9249e7e3 2022-05-12 thomas if (fseeko(o->f, o->hdrlen + d->offset, SEEK_SET) == -1) {
425 9249e7e3 2022-05-12 thomas err = got_error_from_errno("fseeko");
426 9249e7e3 2022-05-12 thomas goto done;
429 d0772de9 2021-10-15 thomas while (n != d->len) {
430 d0772de9 2021-10-15 thomas buf[0] = (d->len - n < 127) ? d->len - n : 127;
431 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
432 9249e7e3 2022-05-12 thomas &compressed_len, buf, 0, 1, f, NULL);
434 9249e7e3 2022-05-12 thomas goto done;
435 9249e7e3 2022-05-12 thomas delta_len++;
436 d0772de9 2021-10-15 thomas r = fread(content, 1, buf[0], o->f);
437 9249e7e3 2022-05-12 thomas if (r != buf[0]) {
438 9249e7e3 2022-05-12 thomas err = got_ferror(o->f, GOT_ERR_IO);
439 9249e7e3 2022-05-12 thomas goto done;
441 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
442 9249e7e3 2022-05-12 thomas &compressed_len, content, 0, buf[0], f,
445 9249e7e3 2022-05-12 thomas goto done;
446 9249e7e3 2022-05-12 thomas delta_len += buf[0];
447 d0772de9 2021-10-15 thomas n += buf[0];
452 9249e7e3 2022-05-12 thomas err = got_deflate_flush(&zb, f, NULL, &compressed_len);
454 9249e7e3 2022-05-12 thomas goto done;
456 9249e7e3 2022-05-12 thomas /* sanity check */
457 9249e7e3 2022-05-12 thomas if (compressed_len != ftello(f) - m->delta_offset) {
458 9249e7e3 2022-05-12 thomas err = got_error(GOT_ERR_COMPRESSION);
459 9249e7e3 2022-05-12 thomas goto done;
462 9249e7e3 2022-05-12 thomas m->delta_len = delta_len;
463 9249e7e3 2022-05-12 thomas m->delta_compressed_len = compressed_len;
465 9249e7e3 2022-05-12 thomas got_deflate_end(&zb);
466 9249e7e3 2022-05-12 thomas return err;
469 31ba2236 2022-01-05 thomas static const struct got_error *
470 31ba2236 2022-01-05 thomas report_progress(got_pack_progress_cb progress_cb, void *progress_arg,
471 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, int ncolored, int nfound, int ntrees,
472 85220b0e 2022-03-22 thomas off_t packfile_size, int ncommits, int nobj_total, int obj_deltify,
473 85220b0e 2022-03-22 thomas int nobj_written)
475 31ba2236 2022-01-05 thomas const struct got_error *err;
476 31ba2236 2022-01-05 thomas int elapsed;
478 31ba2236 2022-01-05 thomas if (progress_cb == NULL)
479 31ba2236 2022-01-05 thomas return NULL;
481 31ba2236 2022-01-05 thomas err = got_ratelimit_check(&elapsed, rl);
482 31ba2236 2022-01-05 thomas if (err || !elapsed)
483 31ba2236 2022-01-05 thomas return err;
485 85220b0e 2022-03-22 thomas return progress_cb(progress_arg, ncolored, nfound, ntrees,
486 85220b0e 2022-03-22 thomas packfile_size, ncommits, nobj_total, obj_deltify, nobj_written);
489 e6bcace5 2021-06-22 stsp static const struct got_error *
490 f9c2e8e5 2022-02-13 thomas add_meta(struct got_pack_meta *m, struct got_pack_metavec *v)
492 f9c2e8e5 2022-02-13 thomas if (v->nmeta == v->metasz){
493 f9c2e8e5 2022-02-13 thomas size_t newsize = 2 * v->metasz;
494 f9c2e8e5 2022-02-13 thomas struct got_pack_meta **new;
495 f9c2e8e5 2022-02-13 thomas new = reallocarray(v->meta, newsize, sizeof(*new));
496 f9c2e8e5 2022-02-13 thomas if (new == NULL)
497 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("reallocarray");
498 f9c2e8e5 2022-02-13 thomas v->meta = new;
499 b6b86fd1 2022-08-30 thomas v->metasz = newsize;
502 f9c2e8e5 2022-02-13 thomas v->meta[v->nmeta++] = m;
503 f9c2e8e5 2022-02-13 thomas return NULL;
506 f9c2e8e5 2022-02-13 thomas static const struct got_error *
507 f9c2e8e5 2022-02-13 thomas find_pack_for_reuse(struct got_packidx **best_packidx,
508 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
510 de47d040 2022-03-22 thomas const struct got_error *err = NULL;
511 f9c2e8e5 2022-02-13 thomas struct got_pathlist_entry *pe;
512 f9c2e8e5 2022-02-13 thomas const char *best_packidx_path = NULL;
513 f9c2e8e5 2022-02-13 thomas int nobj_max = 0;
515 f9c2e8e5 2022-02-13 thomas *best_packidx = NULL;
517 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
518 f9c2e8e5 2022-02-13 thomas const char *path_packidx = pe->path;
519 f9c2e8e5 2022-02-13 thomas struct got_packidx *packidx;
520 f9c2e8e5 2022-02-13 thomas int nobj;
522 f9c2e8e5 2022-02-13 thomas err = got_repo_get_packidx(&packidx, path_packidx, repo);
526 f9c2e8e5 2022-02-13 thomas nobj = be32toh(packidx->hdr.fanout_table[0xff]);
527 f9c2e8e5 2022-02-13 thomas if (nobj > nobj_max) {
528 f9c2e8e5 2022-02-13 thomas best_packidx_path = path_packidx;
529 f9c2e8e5 2022-02-13 thomas nobj_max = nobj;
533 f9c2e8e5 2022-02-13 thomas if (best_packidx_path) {
534 f9c2e8e5 2022-02-13 thomas err = got_repo_get_packidx(best_packidx, best_packidx_path,
538 f9c2e8e5 2022-02-13 thomas return err;
541 7d0d4920 2022-05-12 thomas struct send_id_arg {
542 7d0d4920 2022-05-12 thomas struct imsgbuf *ibuf;
543 7d0d4920 2022-05-12 thomas struct got_object_id *ids[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
544 7d0d4920 2022-05-12 thomas size_t nids;
547 f9c2e8e5 2022-02-13 thomas static const struct got_error *
548 7d0d4920 2022-05-12 thomas send_id(struct got_object_id *id, void *data, void *arg)
550 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
551 7d0d4920 2022-05-12 thomas struct send_id_arg *a = arg;
553 7d0d4920 2022-05-12 thomas a->ids[a->nids++] = id;
555 7d0d4920 2022-05-12 thomas if (a->nids >= GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
556 7d0d4920 2022-05-12 thomas err = got_privsep_send_object_idlist(a->ibuf, a->ids, a->nids);
558 f9c2e8e5 2022-02-13 thomas return err;
559 7d0d4920 2022-05-12 thomas a->nids = 0;
562 7d0d4920 2022-05-12 thomas return NULL;
565 ec2b23c5 2022-07-01 thomas static const struct got_error *
566 ec2b23c5 2022-07-01 thomas send_idset(struct imsgbuf *ibuf, struct got_object_idset *idset)
568 ec2b23c5 2022-07-01 thomas const struct got_error *err;
569 ec2b23c5 2022-07-01 thomas struct send_id_arg sia;
571 ec2b23c5 2022-07-01 thomas memset(&sia, 0, sizeof(sia));
572 ec2b23c5 2022-07-01 thomas sia.ibuf = ibuf;
573 ec2b23c5 2022-07-01 thomas err = got_object_idset_for_each(idset, send_id, &sia);
575 ec2b23c5 2022-07-01 thomas return err;
577 ec2b23c5 2022-07-01 thomas if (sia.nids > 0) {
578 ec2b23c5 2022-07-01 thomas err = got_privsep_send_object_idlist(ibuf, sia.ids, sia.nids);
580 ec2b23c5 2022-07-01 thomas return err;
583 ec2b23c5 2022-07-01 thomas return got_privsep_send_object_idlist_done(ibuf);
587 7d0d4920 2022-05-12 thomas static const struct got_error *
588 7d0d4920 2022-05-12 thomas recv_reused_delta(struct got_imsg_reused_delta *delta,
589 7d0d4920 2022-05-12 thomas struct got_object_idset *idset, struct got_pack_metavec *v)
591 7d0d4920 2022-05-12 thomas struct got_pack_meta *m, *base;
593 7d0d4920 2022-05-12 thomas if (delta->delta_offset + delta->delta_size < delta->delta_offset ||
594 7d0d4920 2022-05-12 thomas delta->delta_offset +
595 7d0d4920 2022-05-12 thomas delta->delta_compressed_size < delta->delta_offset)
596 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_BAD_PACKFILE);
598 7d0d4920 2022-05-12 thomas m = got_object_idset_get(idset, &delta->id);
599 7d0d4920 2022-05-12 thomas if (m == NULL)
600 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_OBJ);
602 7d0d4920 2022-05-12 thomas base = got_object_idset_get(idset, &delta->base_id);
603 7d0d4920 2022-05-12 thomas if (base == NULL)
604 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_OBJ);
606 7d0d4920 2022-05-12 thomas m->delta_len = delta->delta_size;
607 7d0d4920 2022-05-12 thomas m->delta_compressed_len = delta->delta_compressed_size;
608 7d0d4920 2022-05-12 thomas m->delta_offset = delta->delta_out_offset;
609 7d0d4920 2022-05-12 thomas m->prev = base;
610 7d0d4920 2022-05-12 thomas m->size = delta->result_size;
611 7d0d4920 2022-05-12 thomas m->reused_delta_offset = delta->delta_offset;
612 7d0d4920 2022-05-12 thomas m->base_obj_id = got_object_id_dup(&delta->base_id);
613 7d0d4920 2022-05-12 thomas if (m->base_obj_id == NULL)
614 7d0d4920 2022-05-12 thomas return got_error_from_errno("got_object_id_dup");
616 7d0d4920 2022-05-12 thomas return add_meta(m, v);
619 68036464 2022-06-26 thomas static const struct got_error *
620 ec2b23c5 2022-07-01 thomas cache_pack_for_packidx(struct got_pack **pack, struct got_packidx *packidx,
621 ec2b23c5 2022-07-01 thomas struct got_repository *repo)
623 ec2b23c5 2022-07-01 thomas const struct got_error *err;
624 68036464 2022-06-26 thomas char *path_packfile = NULL;
626 68036464 2022-06-26 thomas err = got_packidx_get_packfile_path(&path_packfile,
627 68036464 2022-06-26 thomas packidx->path_packidx);
629 68036464 2022-06-26 thomas return err;
631 68036464 2022-06-26 thomas *pack = got_repo_get_cached_pack(repo, path_packfile);
632 68036464 2022-06-26 thomas if (*pack == NULL) {
633 68036464 2022-06-26 thomas err = got_repo_cache_pack(pack, repo, path_packfile, packidx);
635 68036464 2022-06-26 thomas goto done;
637 68036464 2022-06-26 thomas if ((*pack)->privsep_child == NULL) {
638 68036464 2022-06-26 thomas err = got_pack_start_privsep_child(*pack, packidx);
640 68036464 2022-06-26 thomas goto done;
643 ec2b23c5 2022-07-01 thomas free(path_packfile);
644 ec2b23c5 2022-07-01 thomas return err;
647 ec2b23c5 2022-07-01 thomas static const struct got_error *
648 ec2b23c5 2022-07-01 thomas prepare_delta_reuse(struct got_pack *pack, struct got_packidx *packidx,
649 ec2b23c5 2022-07-01 thomas int delta_outfd, struct got_repository *repo)
651 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
653 ec2b23c5 2022-07-01 thomas if (!pack->child_has_delta_outfd) {
654 68036464 2022-06-26 thomas int outfd_child;
655 68036464 2022-06-26 thomas outfd_child = dup(delta_outfd);
656 68036464 2022-06-26 thomas if (outfd_child == -1) {
657 68036464 2022-06-26 thomas err = got_error_from_errno("dup");
658 68036464 2022-06-26 thomas goto done;
660 68036464 2022-06-26 thomas err = got_privsep_send_raw_delta_outfd(
661 ec2b23c5 2022-07-01 thomas pack->privsep_child->ibuf, outfd_child);
663 68036464 2022-06-26 thomas goto done;
664 ec2b23c5 2022-07-01 thomas pack->child_has_delta_outfd = 1;
667 ec2b23c5 2022-07-01 thomas err = got_privsep_send_delta_reuse_req(pack->privsep_child->ibuf);
669 68036464 2022-06-26 thomas return err;
673 f9c2e8e5 2022-02-13 thomas static const struct got_error *
674 f9c2e8e5 2022-02-13 thomas search_deltas(struct got_pack_metavec *v, struct got_object_idset *idset,
675 85220b0e 2022-03-22 thomas int delta_cache_fd, int ncolored, int nfound, int ntrees, int ncommits,
676 85220b0e 2022-03-22 thomas struct got_repository *repo,
677 f9c2e8e5 2022-02-13 thomas got_pack_progress_cb progress_cb, void *progress_arg,
678 f9c2e8e5 2022-02-13 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
680 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
681 f9c2e8e5 2022-02-13 thomas struct got_packidx *packidx;
682 f9c2e8e5 2022-02-13 thomas struct got_pack *pack;
683 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta deltas[GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS];
684 7d0d4920 2022-05-12 thomas size_t ndeltas, i;
686 f9c2e8e5 2022-02-13 thomas err = find_pack_for_reuse(&packidx, repo);
688 f9c2e8e5 2022-02-13 thomas return err;
690 f9c2e8e5 2022-02-13 thomas if (packidx == NULL)
691 f9c2e8e5 2022-02-13 thomas return NULL;
693 ec2b23c5 2022-07-01 thomas err = cache_pack_for_packidx(&pack, packidx, repo);
695 f9c2e8e5 2022-02-13 thomas return err;
697 ec2b23c5 2022-07-01 thomas err = prepare_delta_reuse(pack, packidx, delta_cache_fd, repo);
699 7d0d4920 2022-05-12 thomas return err;
701 ec2b23c5 2022-07-01 thomas err = send_idset(pack->privsep_child->ibuf, idset);
703 7d0d4920 2022-05-12 thomas return err;
705 7d0d4920 2022-05-12 thomas for (;;) {
706 7d0d4920 2022-05-12 thomas int done = 0;
708 7d0d4920 2022-05-12 thomas if (cancel_cb) {
709 7d0d4920 2022-05-12 thomas err = (*cancel_cb)(cancel_arg);
714 7d0d4920 2022-05-12 thomas err = got_privsep_recv_reused_deltas(&done, deltas, &ndeltas,
715 7d0d4920 2022-05-12 thomas pack->privsep_child->ibuf);
716 7d0d4920 2022-05-12 thomas if (err || done)
719 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
720 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
721 7d0d4920 2022-05-12 thomas err = recv_reused_delta(delta, idset, v);
723 7d0d4920 2022-05-12 thomas goto done;
726 7d0d4920 2022-05-12 thomas err = report_progress(progress_cb, progress_arg, rl,
727 7d0d4920 2022-05-12 thomas ncolored, nfound, ntrees, 0L, ncommits,
728 7d0d4920 2022-05-12 thomas got_object_idset_num_elements(idset), v->nmeta, 0);
733 f9c2e8e5 2022-02-13 thomas return err;
736 f9c2e8e5 2022-02-13 thomas static const struct got_error *
737 85220b0e 2022-03-22 thomas pick_deltas(struct got_pack_meta **meta, int nmeta, int ncolored,
738 85220b0e 2022-03-22 thomas int nfound, int ntrees, int ncommits, int nreused, FILE *delta_cache,
739 85220b0e 2022-03-22 thomas struct got_repository *repo,
740 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
741 31ba2236 2022-01-05 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
743 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
744 e6bcace5 2021-06-22 stsp struct got_pack_meta *m = NULL, *base = NULL;
745 e6bcace5 2021-06-22 stsp struct got_raw_object *raw = NULL, *base_raw = NULL;
746 b79280dd 2021-10-15 thomas struct got_delta_instruction *deltas = NULL, *best_deltas = NULL;
747 3b6ceab7 2022-01-10 thomas int i, j, ndeltas, best_ndeltas;
748 3b6ceab7 2022-01-10 thomas off_t size, best_size;
749 959daf23 2021-10-29 thomas const int max_base_candidates = 3;
750 510885f7 2022-01-10 thomas size_t delta_memsize = 0;
751 1569c56d 2022-05-31 thomas const size_t max_delta_memsize = 4 * GOT_DELTA_RESULT_SIZE_CACHED_MAX;
752 ecf9545f 2021-10-15 thomas int outfd = -1;
753 cc524d36 2022-05-31 thomas uint32_t delta_seed;
755 cc524d36 2022-05-31 thomas delta_seed = arc4random();
757 e6bcace5 2021-06-22 stsp qsort(meta, nmeta, sizeof(struct got_pack_meta *), delta_order_cmp);
758 e6bcace5 2021-06-22 stsp for (i = 0; i < nmeta; i++) {
759 e6bcace5 2021-06-22 stsp if (cancel_cb) {
760 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
764 31ba2236 2022-01-05 thomas err = report_progress(progress_cb, progress_arg, rl,
765 85220b0e 2022-03-22 thomas ncolored, nfound, ntrees, 0L, ncommits, nreused + nmeta,
766 85220b0e 2022-03-22 thomas nreused + i, 0);
768 31ba2236 2022-01-05 thomas goto done;
769 e6bcace5 2021-06-22 stsp m = meta[i];
771 e6bcace5 2021-06-22 stsp if (m->obj_type == GOT_OBJ_TYPE_COMMIT ||
772 e6bcace5 2021-06-22 stsp m->obj_type == GOT_OBJ_TYPE_TAG)
775 f8bb1d3e 2021-10-17 thomas err = got_object_raw_open(&raw, &outfd, repo, &m->id);
778 ab6186ae 2021-10-15 thomas m->size = raw->size;
780 2b0ae357 2022-01-10 thomas if (raw->f == NULL) {
781 2b0ae357 2022-01-10 thomas err = got_deltify_init_mem(&m->dtab, raw->data,
782 cc524d36 2022-05-31 thomas raw->hdrlen, raw->size + raw->hdrlen, delta_seed);
784 2b0ae357 2022-01-10 thomas err = got_deltify_init(&m->dtab, raw->f, raw->hdrlen,
785 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed);
790 e6bcace5 2021-06-22 stsp if (i > max_base_candidates) {
791 e6bcace5 2021-06-22 stsp struct got_pack_meta *n = NULL;
792 e6bcace5 2021-06-22 stsp n = meta[i - (max_base_candidates + 1)];
793 e6bcace5 2021-06-22 stsp got_deltify_free(n->dtab);
794 e6bcace5 2021-06-22 stsp n->dtab = NULL;
797 b79280dd 2021-10-15 thomas best_size = raw->size;
798 b79280dd 2021-10-15 thomas best_ndeltas = 0;
799 e6bcace5 2021-06-22 stsp for (j = MAX(0, i - max_base_candidates); j < i; j++) {
800 e6bcace5 2021-06-22 stsp if (cancel_cb) {
801 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
805 e6bcace5 2021-06-22 stsp base = meta[j];
806 e6bcace5 2021-06-22 stsp /* long chains make unpacking slow, avoid such bases */
807 62a05ae9 2021-10-29 thomas if (base->nchain >= 128 ||
808 e6bcace5 2021-06-22 stsp base->obj_type != m->obj_type)
811 8ab9215c 2021-10-15 thomas err = got_object_raw_open(&base_raw, &outfd, repo,
812 f8bb1d3e 2021-10-17 thomas &base->id);
816 2b0ae357 2022-01-10 thomas if (raw->f == NULL && base_raw->f == NULL) {
817 2b0ae357 2022-01-10 thomas err = got_deltify_mem_mem(&deltas, &ndeltas,
818 2b0ae357 2022-01-10 thomas raw->data, raw->hdrlen,
819 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
820 2b0ae357 2022-01-10 thomas base->dtab, base_raw->data,
821 2b0ae357 2022-01-10 thomas base_raw->hdrlen,
822 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
823 2b0ae357 2022-01-10 thomas } else if (raw->f == NULL) {
824 2b0ae357 2022-01-10 thomas err = got_deltify_mem_file(&deltas, &ndeltas,
825 2b0ae357 2022-01-10 thomas raw->data, raw->hdrlen,
826 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
827 2b0ae357 2022-01-10 thomas base->dtab, base_raw->f,
828 2b0ae357 2022-01-10 thomas base_raw->hdrlen,
829 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
830 2b0ae357 2022-01-10 thomas } else if (base_raw->f == NULL) {
831 2b0ae357 2022-01-10 thomas err = got_deltify_file_mem(&deltas, &ndeltas,
832 2b0ae357 2022-01-10 thomas raw->f, raw->hdrlen,
833 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
834 2b0ae357 2022-01-10 thomas base->dtab, base_raw->data,
835 2b0ae357 2022-01-10 thomas base_raw->hdrlen,
836 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
838 2b0ae357 2022-01-10 thomas err = got_deltify(&deltas, &ndeltas,
839 2b0ae357 2022-01-10 thomas raw->f, raw->hdrlen,
840 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
841 2b0ae357 2022-01-10 thomas base->dtab, base_raw->f, base_raw->hdrlen,
842 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
844 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
845 e6bcace5 2021-06-22 stsp base_raw = NULL;
849 e6bcace5 2021-06-22 stsp size = delta_size(deltas, ndeltas);
850 b79280dd 2021-10-15 thomas if (size + 32 < best_size){
852 e6bcace5 2021-06-22 stsp * if we already picked a best delta,
853 e6bcace5 2021-06-22 stsp * replace it.
855 b79280dd 2021-10-15 thomas best_size = size;
856 b79280dd 2021-10-15 thomas free(best_deltas);
857 b79280dd 2021-10-15 thomas best_deltas = deltas;
858 b79280dd 2021-10-15 thomas best_ndeltas = ndeltas;
859 b79280dd 2021-10-15 thomas deltas = NULL;
860 e6bcace5 2021-06-22 stsp m->nchain = base->nchain + 1;
861 e6bcace5 2021-06-22 stsp m->prev = base;
862 e6bcace5 2021-06-22 stsp m->head = base->head;
863 e6bcace5 2021-06-22 stsp if (m->head == NULL)
864 e6bcace5 2021-06-22 stsp m->head = base;
866 e6bcace5 2021-06-22 stsp free(deltas);
867 e6bcace5 2021-06-22 stsp deltas = NULL;
868 e6bcace5 2021-06-22 stsp ndeltas = 0;
872 b79280dd 2021-10-15 thomas if (best_ndeltas > 0) {
873 510885f7 2022-01-10 thomas if (best_size <= GOT_DELTA_RESULT_SIZE_CACHED_MAX &&
874 510885f7 2022-01-10 thomas delta_memsize + best_size <= max_delta_memsize) {
875 510885f7 2022-01-10 thomas delta_memsize += best_size;
876 3b6ceab7 2022-01-10 thomas err = encode_delta_in_mem(m, raw, best_deltas,
877 3b6ceab7 2022-01-10 thomas best_ndeltas, best_size, m->prev->size);
879 3b6ceab7 2022-01-10 thomas m->delta_offset = ftello(delta_cache);
880 3b6ceab7 2022-01-10 thomas err = encode_delta(m, raw, best_deltas,
881 3b6ceab7 2022-01-10 thomas best_ndeltas, m->prev->size, delta_cache);
883 b79280dd 2021-10-15 thomas free(best_deltas);
884 b79280dd 2021-10-15 thomas best_deltas = NULL;
885 b79280dd 2021-10-15 thomas best_ndeltas = 0;
887 b79280dd 2021-10-15 thomas goto done;
890 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
891 e6bcace5 2021-06-22 stsp raw = NULL;
894 e6bcace5 2021-06-22 stsp for (i = MAX(0, nmeta - max_base_candidates); i < nmeta; i++) {
895 e6bcace5 2021-06-22 stsp got_deltify_free(meta[i]->dtab);
896 e6bcace5 2021-06-22 stsp meta[i]->dtab = NULL;
899 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
900 e6bcace5 2021-06-22 stsp if (base_raw)
901 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
902 ecf9545f 2021-10-15 thomas if (outfd != -1 && close(outfd) == -1 && err == NULL)
903 ecf9545f 2021-10-15 thomas err = got_error_from_errno("close");
904 b79280dd 2021-10-15 thomas free(deltas);
905 b79280dd 2021-10-15 thomas free(best_deltas);
906 e6bcace5 2021-06-22 stsp return err;
909 e6bcace5 2021-06-22 stsp static const struct got_error *
910 05118f5a 2021-06-22 stsp search_packidx(int *found, struct got_object_id *id,
911 05118f5a 2021-06-22 stsp struct got_repository *repo)
913 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
914 05118f5a 2021-06-22 stsp struct got_packidx *packidx = NULL;
917 05118f5a 2021-06-22 stsp *found = 0;
919 05118f5a 2021-06-22 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
920 05118f5a 2021-06-22 stsp if (err == NULL)
921 05118f5a 2021-06-22 stsp *found = 1; /* object is already packed */
922 05118f5a 2021-06-22 stsp else if (err->code == GOT_ERR_NO_OBJ)
923 05118f5a 2021-06-22 stsp err = NULL;
924 05118f5a 2021-06-22 stsp return err;
927 05118f5a 2021-06-22 stsp static const struct got_error *
928 f9c2e8e5 2022-02-13 thomas add_object(int want_meta, struct got_object_idset *idset,
929 e6bcace5 2021-06-22 stsp struct got_object_id *id, const char *path, int obj_type,
930 cc524d36 2022-05-31 thomas time_t mtime, uint32_t seed, int loose_obj_only,
931 cc524d36 2022-05-31 thomas struct got_repository *repo, int *ncolored, int *nfound, int *ntrees,
932 78a00876 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
933 78a00876 2022-03-22 thomas struct got_ratelimit *rl)
935 e6bcace5 2021-06-22 stsp const struct got_error *err;
936 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m = NULL;
938 05118f5a 2021-06-22 stsp if (loose_obj_only) {
939 05118f5a 2021-06-22 stsp int is_packed;
940 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
942 05118f5a 2021-06-22 stsp return err;
943 a605f678 2022-03-22 thomas if (is_packed && want_meta)
944 05118f5a 2021-06-22 stsp return NULL;
947 f9c2e8e5 2022-02-13 thomas if (want_meta) {
948 cc524d36 2022-05-31 thomas err = alloc_meta(&m, id, path, obj_type, mtime, seed);
950 78a00876 2022-03-22 thomas return err;
952 78a00876 2022-03-22 thomas (*nfound)++;
953 78a00876 2022-03-22 thomas err = report_progress(progress_cb, progress_arg, rl,
954 78a00876 2022-03-22 thomas *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
955 ee7b409c 2022-04-16 thomas if (err) {
956 ee7b409c 2022-04-16 thomas clear_meta(m);
958 f9c2e8e5 2022-02-13 thomas return err;
962 ee7b409c 2022-04-16 thomas err = got_object_idset_add(idset, id, m);
963 ee7b409c 2022-04-16 thomas if (err) {
964 ee7b409c 2022-04-16 thomas clear_meta(m);
967 ee7b409c 2022-04-16 thomas return err;
970 e6bcace5 2021-06-22 stsp static const struct got_error *
971 f9c2e8e5 2022-02-13 thomas load_tree_entries(struct got_object_id_queue *ids, int want_meta,
972 7afbdbad 2022-05-12 thomas struct got_object_idset *idset, struct got_object_idset *idset_exclude,
973 63915ee5 2022-06-23 thomas struct got_tree_object *tree,
974 cc524d36 2022-05-31 thomas const char *dpath, time_t mtime, uint32_t seed, struct got_repository *repo,
975 85220b0e 2022-03-22 thomas int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
976 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
977 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
979 e6bcace5 2021-06-22 stsp const struct got_error *err;
980 e6bcace5 2021-06-22 stsp char *p = NULL;
983 85220b0e 2022-03-22 thomas (*ntrees)++;
984 85220b0e 2022-03-22 thomas err = report_progress(progress_cb, progress_arg, rl,
985 85220b0e 2022-03-22 thomas *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
987 e6bcace5 2021-06-22 stsp return err;
989 e6bcace5 2021-06-22 stsp for (i = 0; i < got_object_tree_get_nentries(tree); i++) {
990 e6bcace5 2021-06-22 stsp struct got_tree_entry *e = got_object_tree_get_entry(tree, i);
991 e6bcace5 2021-06-22 stsp struct got_object_id *id = got_tree_entry_get_id(e);
992 e6bcace5 2021-06-22 stsp mode_t mode = got_tree_entry_get_mode(e);
994 e6bcace5 2021-06-22 stsp if (cancel_cb) {
995 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
1000 08511b5e 2021-09-24 thomas if (got_object_tree_entry_is_submodule(e) ||
1001 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset, id) ||
1002 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, id))
1003 13280750 2022-06-13 thomas continue;
1006 63915ee5 2022-06-23 thomas * If got-read-pack is crawling trees for us then
1007 63915ee5 2022-06-23 thomas * we are only here to collect blob IDs.
1009 63915ee5 2022-06-23 thomas if (ids == NULL && S_ISDIR(mode))
1010 63915ee5 2022-06-23 thomas continue;
1012 63915ee5 2022-06-23 thomas if (asprintf(&p, "%s%s%s", dpath,
1013 63915ee5 2022-06-23 thomas got_path_is_root_dir(dpath) ? "" : "/",
1014 e6bcace5 2021-06-22 stsp got_tree_entry_get_name(e)) == -1) {
1015 e6bcace5 2021-06-22 stsp err = got_error_from_errno("asprintf");
1019 e6bcace5 2021-06-22 stsp if (S_ISDIR(mode)) {
1020 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1021 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
1024 eee114b4 2022-05-31 thomas qid->data = p;
1025 eee114b4 2022-05-31 thomas p = NULL;
1026 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(ids, qid, entry);
1027 08511b5e 2021-09-24 thomas } else if (S_ISREG(mode) || S_ISLNK(mode)) {
1028 7afbdbad 2022-05-12 thomas err = add_object(want_meta,
1029 7afbdbad 2022-05-12 thomas want_meta ? idset : idset_exclude, id, p,
1030 cc524d36 2022-05-31 thomas GOT_OBJ_TYPE_BLOB, mtime, seed, loose_obj_only,
1031 cc524d36 2022-05-31 thomas repo, ncolored, nfound, ntrees,
1032 78a00876 2022-03-22 thomas progress_cb, progress_arg, rl);
1033 85220b0e 2022-03-22 thomas if (err)
1035 eee114b4 2022-05-31 thomas free(p);
1036 eee114b4 2022-05-31 thomas p = NULL;
1037 eee114b4 2022-05-31 thomas } else {
1038 eee114b4 2022-05-31 thomas free(p);
1039 eee114b4 2022-05-31 thomas p = NULL;
1044 e6bcace5 2021-06-22 stsp return err;
1047 e6bcace5 2021-06-22 stsp static const struct got_error *
1048 f9c2e8e5 2022-02-13 thomas load_tree(int want_meta, struct got_object_idset *idset,
1049 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude,
1050 e6bcace5 2021-06-22 stsp struct got_object_id *tree_id, const char *dpath, time_t mtime,
1051 cc524d36 2022-05-31 thomas uint32_t seed, struct got_repository *repo, int loose_obj_only,
1052 85220b0e 2022-03-22 thomas int *ncolored, int *nfound, int *ntrees,
1053 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1054 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1056 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1057 e6bcace5 2021-06-22 stsp struct got_object_id_queue tree_ids;
1058 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1059 63915ee5 2022-06-23 thomas struct got_tree_object *tree = NULL;
1061 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, tree_id) ||
1062 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, tree_id))
1063 e6bcace5 2021-06-22 stsp return NULL;
1065 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, tree_id);
1067 eee114b4 2022-05-31 thomas return err;
1068 eee114b4 2022-05-31 thomas qid->data = strdup(dpath);
1069 eee114b4 2022-05-31 thomas if (qid->data == NULL) {
1070 eee114b4 2022-05-31 thomas err = got_error_from_errno("strdup");
1071 eee114b4 2022-05-31 thomas got_object_qid_free(qid);
1072 e6bcace5 2021-06-22 stsp return err;
1075 dbdddfee 2021-06-23 naddy STAILQ_INIT(&tree_ids);
1076 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&tree_ids, qid, entry);
1078 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(&tree_ids)) {
1079 eee114b4 2022-05-31 thomas const char *path;
1080 e6bcace5 2021-06-22 stsp if (cancel_cb) {
1081 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
1086 dbdddfee 2021-06-23 naddy qid = STAILQ_FIRST(&tree_ids);
1087 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&tree_ids, entry);
1088 eee114b4 2022-05-31 thomas path = qid->data;
1090 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, &qid->id) ||
1091 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, &qid->id)) {
1092 eee114b4 2022-05-31 thomas free(qid->data);
1093 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1097 7afbdbad 2022-05-12 thomas err = add_object(want_meta, want_meta ? idset : idset_exclude,
1098 eee114b4 2022-05-31 thomas &qid->id, path, GOT_OBJ_TYPE_TREE,
1099 cc524d36 2022-05-31 thomas mtime, seed, loose_obj_only, repo,
1100 78a00876 2022-03-22 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1101 e6bcace5 2021-06-22 stsp if (err) {
1102 eee114b4 2022-05-31 thomas free(qid->data);
1103 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1107 63915ee5 2022-06-23 thomas err = got_object_open_as_tree(&tree, repo, &qid->id);
1108 63915ee5 2022-06-23 thomas if (err) {
1109 63915ee5 2022-06-23 thomas free(qid->data);
1110 63915ee5 2022-06-23 thomas got_object_qid_free(qid);
1114 7afbdbad 2022-05-12 thomas err = load_tree_entries(&tree_ids, want_meta, idset,
1115 63915ee5 2022-06-23 thomas idset_exclude, tree, path, mtime, seed, repo,
1116 63915ee5 2022-06-23 thomas loose_obj_only, ncolored, nfound, ntrees,
1117 63915ee5 2022-06-23 thomas progress_cb, progress_arg, rl,
1118 85220b0e 2022-03-22 thomas cancel_cb, cancel_arg);
1119 eee114b4 2022-05-31 thomas free(qid->data);
1120 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1124 63915ee5 2022-06-23 thomas got_object_tree_close(tree);
1125 63915ee5 2022-06-23 thomas tree = NULL;
1128 eee114b4 2022-05-31 thomas STAILQ_FOREACH(qid, &tree_ids, entry)
1129 eee114b4 2022-05-31 thomas free(qid->data);
1130 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&tree_ids);
1131 63915ee5 2022-06-23 thomas if (tree)
1132 63915ee5 2022-06-23 thomas got_object_tree_close(tree);
1133 e6bcace5 2021-06-22 stsp return err;
1136 e6bcace5 2021-06-22 stsp static const struct got_error *
1137 f9c2e8e5 2022-02-13 thomas load_commit(int want_meta, struct got_object_idset *idset,
1138 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude,
1139 cc524d36 2022-05-31 thomas struct got_object_id *id, struct got_repository *repo, uint32_t seed,
1140 cc524d36 2022-05-31 thomas int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
1141 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1142 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1144 e6bcace5 2021-06-22 stsp const struct got_error *err;
1145 e6bcace5 2021-06-22 stsp struct got_commit_object *commit;
1147 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, id) ||
1148 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, id))
1149 e6bcace5 2021-06-22 stsp return NULL;
1151 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1152 05118f5a 2021-06-22 stsp int is_packed;
1153 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1155 05118f5a 2021-06-22 stsp return err;
1156 a605f678 2022-03-22 thomas if (is_packed && want_meta)
1157 05118f5a 2021-06-22 stsp return NULL;
1160 e6bcace5 2021-06-22 stsp err = got_object_open_as_commit(&commit, repo, id);
1162 e6bcace5 2021-06-22 stsp return err;
1164 7afbdbad 2022-05-12 thomas err = add_object(want_meta, want_meta ? idset : idset_exclude,
1165 7afbdbad 2022-05-12 thomas id, "", GOT_OBJ_TYPE_COMMIT,
1166 cc524d36 2022-05-31 thomas got_object_commit_get_committer_time(commit), seed,
1167 78a00876 2022-03-22 thomas loose_obj_only, repo,
1168 78a00876 2022-03-22 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1170 e6bcace5 2021-06-22 stsp goto done;
1172 7afbdbad 2022-05-12 thomas err = load_tree(want_meta, idset, idset_exclude,
1173 7afbdbad 2022-05-12 thomas got_object_commit_get_tree_id(commit),
1174 cc524d36 2022-05-31 thomas "", got_object_commit_get_committer_time(commit), seed,
1175 85220b0e 2022-03-22 thomas repo, loose_obj_only, ncolored, nfound, ntrees,
1176 85220b0e 2022-03-22 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1178 e6bcace5 2021-06-22 stsp got_object_commit_close(commit);
1179 e6bcace5 2021-06-22 stsp return err;
1182 05118f5a 2021-06-22 stsp static const struct got_error *
1183 f9c2e8e5 2022-02-13 thomas load_tag(int want_meta, struct got_object_idset *idset,
1184 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude,
1185 cc524d36 2022-05-31 thomas struct got_object_id *id, struct got_repository *repo, uint32_t seed,
1186 cc524d36 2022-05-31 thomas int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
1187 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1188 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1190 05118f5a 2021-06-22 stsp const struct got_error *err;
1191 05118f5a 2021-06-22 stsp struct got_tag_object *tag = NULL;
1193 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, id) ||
1194 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, id))
1195 05118f5a 2021-06-22 stsp return NULL;
1197 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1198 05118f5a 2021-06-22 stsp int is_packed;
1199 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1201 05118f5a 2021-06-22 stsp return err;
1202 a605f678 2022-03-22 thomas if (is_packed && want_meta)
1203 05118f5a 2021-06-22 stsp return NULL;
1206 05118f5a 2021-06-22 stsp err = got_object_open_as_tag(&tag, repo, id);
1208 05118f5a 2021-06-22 stsp return err;
1210 7afbdbad 2022-05-12 thomas err = add_object(want_meta, want_meta ? idset : idset_exclude,
1211 7afbdbad 2022-05-12 thomas id, "", GOT_OBJ_TYPE_TAG,
1212 cc524d36 2022-05-31 thomas got_object_tag_get_tagger_time(tag), seed, loose_obj_only, repo,
1213 78a00876 2022-03-22 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1215 05118f5a 2021-06-22 stsp goto done;
1217 05118f5a 2021-06-22 stsp switch (got_object_tag_get_object_type(tag)) {
1218 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_COMMIT:
1219 7afbdbad 2022-05-12 thomas err = load_commit(want_meta, idset, idset_exclude,
1220 cc524d36 2022-05-31 thomas got_object_tag_get_object_id(tag), repo, seed,
1221 cc524d36 2022-05-31 thomas loose_obj_only, ncolored, nfound, ntrees,
1222 cc524d36 2022-05-31 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1224 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_TREE:
1225 7afbdbad 2022-05-12 thomas err = load_tree(want_meta, idset, idset_exclude,
1226 f9c2e8e5 2022-02-13 thomas got_object_tag_get_object_id(tag), "",
1227 cc524d36 2022-05-31 thomas got_object_tag_get_tagger_time(tag), seed, repo,
1228 cc524d36 2022-05-31 thomas loose_obj_only, ncolored, nfound, ntrees,
1229 cc524d36 2022-05-31 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1236 05118f5a 2021-06-22 stsp got_object_tag_close(tag);
1237 05118f5a 2021-06-22 stsp return err;
1240 e6bcace5 2021-06-22 stsp enum findtwixt_color {
1241 e6bcace5 2021-06-22 stsp COLOR_KEEP = 0,
1242 e6bcace5 2021-06-22 stsp COLOR_DROP,
1243 5fe7b5c1 2022-04-16 thomas COLOR_SKIP,
1244 ec2b23c5 2022-07-01 thomas COLOR_MAX,
1247 e6bcace5 2021-06-22 stsp static const struct got_error *
1248 ec2b23c5 2022-07-01 thomas paint_commit(struct got_object_qid *qid, intptr_t color)
1250 ec2b23c5 2022-07-01 thomas if (color < 0 || color >= COLOR_MAX)
1251 5fe7b5c1 2022-04-16 thomas return got_error(GOT_ERR_RANGE);
1253 ec2b23c5 2022-07-01 thomas qid->data = (void *)color;
1254 e6bcace5 2021-06-22 stsp return NULL;
1257 e6bcace5 2021-06-22 stsp static const struct got_error *
1258 5fe7b5c1 2022-04-16 thomas queue_commit_id(struct got_object_id_queue *ids, struct got_object_id *id,
1259 ec2b23c5 2022-07-01 thomas intptr_t color, struct got_repository *repo)
1261 5fe7b5c1 2022-04-16 thomas const struct got_error *err;
1262 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1264 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
1266 e6bcace5 2021-06-22 stsp return err;
1268 5fe7b5c1 2022-04-16 thomas STAILQ_INSERT_TAIL(ids, qid, entry);
1269 5fe7b5c1 2022-04-16 thomas return paint_commit(qid, color);
1272 e6bcace5 2021-06-22 stsp struct append_id_arg {
1273 e6bcace5 2021-06-22 stsp struct got_object_id **array;
1275 5fe7b5c1 2022-04-16 thomas struct got_object_idset *drop;
1276 5fe7b5c1 2022-04-16 thomas struct got_object_idset *skip;
1279 e6bcace5 2021-06-22 stsp static const struct got_error *
1280 e6bcace5 2021-06-22 stsp append_id(struct got_object_id *id, void *data, void *arg)
1282 e6bcace5 2021-06-22 stsp struct append_id_arg *a = arg;
1284 5fe7b5c1 2022-04-16 thomas if (got_object_idset_contains(a->skip, id) ||
1285 5fe7b5c1 2022-04-16 thomas got_object_idset_contains(a->drop, id))
1286 5fe7b5c1 2022-04-16 thomas return NULL;
1288 5fe7b5c1 2022-04-16 thomas a->array[++a->idx] = got_object_id_dup(id);
1289 e6bcace5 2021-06-22 stsp if (a->array[a->idx] == NULL)
1290 e6bcace5 2021-06-22 stsp return got_error_from_errno("got_object_id_dup");
1292 e6bcace5 2021-06-22 stsp return NULL;
1295 a3a0e34e 2022-04-16 thomas static const struct got_error *
1296 ec2b23c5 2022-07-01 thomas queue_commit_or_tag_id(struct got_object_id *id, intptr_t color,
1297 a3a0e34e 2022-04-16 thomas struct got_object_id_queue *ids, struct got_repository *repo)
1299 a3a0e34e 2022-04-16 thomas const struct got_error *err;
1300 a3a0e34e 2022-04-16 thomas struct got_tag_object *tag = NULL;
1301 a3a0e34e 2022-04-16 thomas int obj_type;
1303 a3a0e34e 2022-04-16 thomas err = got_object_get_type(&obj_type, repo, id);
1304 a3a0e34e 2022-04-16 thomas if (err)
1305 a3a0e34e 2022-04-16 thomas return err;
1307 a3a0e34e 2022-04-16 thomas if (obj_type == GOT_OBJ_TYPE_TAG) {
1308 a3a0e34e 2022-04-16 thomas err = got_object_open_as_tag(&tag, repo, id);
1309 a3a0e34e 2022-04-16 thomas if (err)
1310 a3a0e34e 2022-04-16 thomas return err;
1311 a3a0e34e 2022-04-16 thomas obj_type = got_object_tag_get_object_type(tag);
1312 a3a0e34e 2022-04-16 thomas id = got_object_tag_get_object_id(tag);
1315 a3a0e34e 2022-04-16 thomas if (obj_type == GOT_OBJ_TYPE_COMMIT) {
1316 a3a0e34e 2022-04-16 thomas err = queue_commit_id(ids, id, color, repo);
1317 a3a0e34e 2022-04-16 thomas if (err)
1318 a3a0e34e 2022-04-16 thomas goto done;
1321 a3a0e34e 2022-04-16 thomas if (tag)
1322 a3a0e34e 2022-04-16 thomas got_object_tag_close(tag);
1323 a3a0e34e 2022-04-16 thomas return err;
1326 ec2b23c5 2022-07-01 thomas struct recv_painted_commit_arg {
1327 ec2b23c5 2022-07-01 thomas int *ncolored;
1328 ec2b23c5 2022-07-01 thomas int *nqueued;
1329 ec2b23c5 2022-07-01 thomas int *nskip;
1330 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids;
1331 ec2b23c5 2022-07-01 thomas struct got_object_idset *keep;
1332 ec2b23c5 2022-07-01 thomas struct got_object_idset *drop;
1333 ec2b23c5 2022-07-01 thomas struct got_object_idset *skip;
1334 ec2b23c5 2022-07-01 thomas got_pack_progress_cb progress_cb;
1335 ec2b23c5 2022-07-01 thomas void *progress_arg;
1336 ec2b23c5 2022-07-01 thomas struct got_ratelimit *rl;
1337 ec2b23c5 2022-07-01 thomas got_cancel_cb cancel_cb;
1338 ec2b23c5 2022-07-01 thomas void *cancel_arg;
1341 e6bcace5 2021-06-22 stsp static const struct got_error *
1342 ec2b23c5 2022-07-01 thomas recv_painted_commit(void *arg, struct got_object_id *id, intptr_t color)
1344 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
1345 ec2b23c5 2022-07-01 thomas struct recv_painted_commit_arg *a = arg;
1346 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid, *tmp;
1348 ec2b23c5 2022-07-01 thomas if (a->cancel_cb) {
1349 ec2b23c5 2022-07-01 thomas err = a->cancel_cb(a->cancel_arg);
1350 ec2b23c5 2022-07-01 thomas if (err)
1351 ec2b23c5 2022-07-01 thomas return err;
1354 ec2b23c5 2022-07-01 thomas switch (color) {
1355 ec2b23c5 2022-07-01 thomas case COLOR_KEEP:
1356 ec2b23c5 2022-07-01 thomas err = got_object_idset_add(a->keep, id, NULL);
1357 ec2b23c5 2022-07-01 thomas if (err)
1358 ec2b23c5 2022-07-01 thomas return err;
1359 ec2b23c5 2022-07-01 thomas (*a->ncolored)++;
1361 ec2b23c5 2022-07-01 thomas case COLOR_DROP:
1362 ec2b23c5 2022-07-01 thomas err = got_object_idset_add(a->drop, id, NULL);
1363 ec2b23c5 2022-07-01 thomas if (err)
1364 ec2b23c5 2022-07-01 thomas return err;
1365 ec2b23c5 2022-07-01 thomas (*a->ncolored)++;
1367 ec2b23c5 2022-07-01 thomas case COLOR_SKIP:
1368 ec2b23c5 2022-07-01 thomas err = got_object_idset_add(a->skip, id, NULL);
1369 ec2b23c5 2022-07-01 thomas if (err)
1370 ec2b23c5 2022-07-01 thomas return err;
1372 ec2b23c5 2022-07-01 thomas default:
1373 ec2b23c5 2022-07-01 thomas /* should not happen */
1374 ec2b23c5 2022-07-01 thomas return got_error_fmt(GOT_ERR_NOT_IMPL,
1375 60b94e7d 2022-07-19 thomas "%s invalid commit color %"PRIdPTR, __func__, color);
1378 ec2b23c5 2022-07-01 thomas STAILQ_FOREACH_SAFE(qid, a->ids, entry, tmp) {
1379 ec2b23c5 2022-07-01 thomas if (got_object_id_cmp(&qid->id, id) != 0)
1380 ec2b23c5 2022-07-01 thomas continue;
1381 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE(a->ids, qid, got_object_qid, entry);
1382 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
1383 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1384 ec2b23c5 2022-07-01 thomas (*a->nqueued)--;
1385 ec2b23c5 2022-07-01 thomas if (color == COLOR_SKIP)
1386 ec2b23c5 2022-07-01 thomas (*a->nskip)--;
1390 ec2b23c5 2022-07-01 thomas return report_progress(a->progress_cb, a->progress_arg, a->rl,
1391 ec2b23c5 2022-07-01 thomas *a->ncolored, 0, 0, 0L, 0, 0, 0, 0);
1394 ec2b23c5 2022-07-01 thomas static const struct got_error *
1395 ec2b23c5 2022-07-01 thomas paint_packed_commits(struct got_pack *pack, struct got_object_id *id,
1396 ec2b23c5 2022-07-01 thomas int idx, intptr_t color, int *ncolored, int *nqueued, int *nskip,
1397 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids,
1398 ec2b23c5 2022-07-01 thomas struct got_object_idset *keep, struct got_object_idset *drop,
1399 ec2b23c5 2022-07-01 thomas struct got_object_idset *skip, struct got_repository *repo,
1400 ec2b23c5 2022-07-01 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1401 ec2b23c5 2022-07-01 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1403 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
1404 ec2b23c5 2022-07-01 thomas struct got_object_id_queue next_ids;
1405 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid, *tmp;
1406 ec2b23c5 2022-07-01 thomas struct recv_painted_commit_arg arg;
1408 ec2b23c5 2022-07-01 thomas STAILQ_INIT(&next_ids);
1410 ec2b23c5 2022-07-01 thomas err = got_privsep_send_painting_request(pack->privsep_child->ibuf,
1411 ec2b23c5 2022-07-01 thomas idx, id, color);
1412 ec2b23c5 2022-07-01 thomas if (err)
1413 ec2b23c5 2022-07-01 thomas return err;
1415 ec2b23c5 2022-07-01 thomas arg.ncolored = ncolored;
1416 ec2b23c5 2022-07-01 thomas arg.nqueued = nqueued;
1417 ec2b23c5 2022-07-01 thomas arg.nskip = nskip;
1418 ec2b23c5 2022-07-01 thomas arg.ids = ids;
1419 ec2b23c5 2022-07-01 thomas arg.keep = keep;
1420 ec2b23c5 2022-07-01 thomas arg.drop = drop;
1421 ec2b23c5 2022-07-01 thomas arg.skip = skip;
1422 ec2b23c5 2022-07-01 thomas arg.progress_cb = progress_cb;
1423 ec2b23c5 2022-07-01 thomas arg.progress_arg = progress_arg;
1424 ec2b23c5 2022-07-01 thomas arg.rl = rl;
1425 ec2b23c5 2022-07-01 thomas arg.cancel_cb = cancel_cb;
1426 ec2b23c5 2022-07-01 thomas arg.cancel_arg = cancel_arg;
1427 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_painted_commits(&next_ids,
1428 ec2b23c5 2022-07-01 thomas recv_painted_commit, &arg, pack->privsep_child->ibuf);
1429 ec2b23c5 2022-07-01 thomas if (err)
1430 ec2b23c5 2022-07-01 thomas return err;
1432 ec2b23c5 2022-07-01 thomas STAILQ_FOREACH_SAFE(qid, &next_ids, entry, tmp) {
1433 ec2b23c5 2022-07-01 thomas struct got_object_qid *old_id;
1434 ec2b23c5 2022-07-01 thomas intptr_t qcolor, ocolor;
1435 ec2b23c5 2022-07-01 thomas STAILQ_FOREACH(old_id, ids, entry) {
1436 ec2b23c5 2022-07-01 thomas if (got_object_id_cmp(&qid->id, &old_id->id))
1437 ec2b23c5 2022-07-01 thomas continue;
1438 ec2b23c5 2022-07-01 thomas qcolor = (intptr_t)qid->data;
1439 ec2b23c5 2022-07-01 thomas ocolor = (intptr_t)old_id->data;
1440 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE(&next_ids, qid, got_object_qid, entry);
1441 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1442 ec2b23c5 2022-07-01 thomas qid = NULL;
1443 ec2b23c5 2022-07-01 thomas if (qcolor != ocolor) {
1444 ec2b23c5 2022-07-01 thomas paint_commit(old_id, qcolor);
1445 ec2b23c5 2022-07-01 thomas if (ocolor == COLOR_SKIP)
1446 ec2b23c5 2022-07-01 thomas (*nskip)--;
1447 ec2b23c5 2022-07-01 thomas else if (qcolor == COLOR_SKIP)
1448 ec2b23c5 2022-07-01 thomas (*nskip)++;
1453 ec2b23c5 2022-07-01 thomas while (!STAILQ_EMPTY(&next_ids)) {
1454 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(&next_ids);
1455 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(&next_ids, entry);
1456 ec2b23c5 2022-07-01 thomas paint_commit(qid, color);
1457 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(ids, qid, entry);
1458 ec2b23c5 2022-07-01 thomas (*nqueued)++;
1459 ec2b23c5 2022-07-01 thomas if (color == COLOR_SKIP)
1460 ec2b23c5 2022-07-01 thomas (*nskip)++;
1463 ec2b23c5 2022-07-01 thomas return err;
1466 ec2b23c5 2022-07-01 thomas static const struct got_error *
1467 ec2b23c5 2022-07-01 thomas find_pack_for_commit_painting(struct got_packidx **best_packidx,
1468 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int nids, struct got_repository *repo)
1470 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
1471 ec2b23c5 2022-07-01 thomas struct got_pathlist_entry *pe;
1472 ec2b23c5 2022-07-01 thomas const char *best_packidx_path = NULL;
1473 ec2b23c5 2022-07-01 thomas int nobj_max = 0;
1474 ec2b23c5 2022-07-01 thomas int ncommits_max = 0;
1476 ec2b23c5 2022-07-01 thomas *best_packidx = NULL;
1479 ec2b23c5 2022-07-01 thomas * Find the largest pack which contains at least some of the
1480 ec2b23c5 2022-07-01 thomas * commits we are interested in.
1482 ec2b23c5 2022-07-01 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1483 ec2b23c5 2022-07-01 thomas const char *path_packidx = pe->path;
1484 ec2b23c5 2022-07-01 thomas struct got_packidx *packidx;
1485 ec2b23c5 2022-07-01 thomas int nobj, idx, ncommits = 0;
1486 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
1488 ec2b23c5 2022-07-01 thomas err = got_repo_get_packidx(&packidx, path_packidx, repo);
1489 ec2b23c5 2022-07-01 thomas if (err)
1492 ec2b23c5 2022-07-01 thomas nobj = be32toh(packidx->hdr.fanout_table[0xff]);
1493 ec2b23c5 2022-07-01 thomas if (nobj <= nobj_max)
1494 ec2b23c5 2022-07-01 thomas continue;
1496 ec2b23c5 2022-07-01 thomas STAILQ_FOREACH(qid, ids, entry) {
1497 ec2b23c5 2022-07-01 thomas idx = got_packidx_get_object_idx(packidx, &qid->id);
1498 ec2b23c5 2022-07-01 thomas if (idx != -1)
1499 ec2b23c5 2022-07-01 thomas ncommits++;
1501 ec2b23c5 2022-07-01 thomas if (ncommits > ncommits_max) {
1502 ec2b23c5 2022-07-01 thomas best_packidx_path = path_packidx;
1503 ec2b23c5 2022-07-01 thomas nobj_max = nobj;
1504 ec2b23c5 2022-07-01 thomas ncommits_max = ncommits;
1508 ec2b23c5 2022-07-01 thomas if (best_packidx_path && err == NULL) {
1509 ec2b23c5 2022-07-01 thomas err = got_repo_get_packidx(best_packidx, best_packidx_path,
1513 ec2b23c5 2022-07-01 thomas return err;
1516 ec2b23c5 2022-07-01 thomas static const struct got_error *
1517 5fe7b5c1 2022-04-16 thomas paint_commits(int *ncolored, struct got_object_id_queue *ids, int nids,
1518 e9371be6 2022-04-16 thomas struct got_object_idset *keep, struct got_object_idset *drop,
1519 5fe7b5c1 2022-04-16 thomas struct got_object_idset *skip, struct got_repository *repo,
1520 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1521 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1523 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1524 e9371be6 2022-04-16 thomas struct got_commit_object *commit = NULL;
1525 ec2b23c5 2022-07-01 thomas struct got_packidx *packidx = NULL;
1526 ec2b23c5 2022-07-01 thomas struct got_pack *pack = NULL;
1527 5fe7b5c1 2022-04-16 thomas const struct got_object_id_queue *parents;
1528 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid = NULL;
1529 5fe7b5c1 2022-04-16 thomas int nqueued = nids, nskip = 0;
1530 ec2b23c5 2022-07-01 thomas int idx;
1532 5fe7b5c1 2022-04-16 thomas while (!STAILQ_EMPTY(ids) && nskip != nqueued) {
1533 ec2b23c5 2022-07-01 thomas intptr_t color;
1535 21a0da85 2022-04-16 thomas if (cancel_cb) {
1536 21a0da85 2022-04-16 thomas err = cancel_cb(cancel_arg);
1537 21a0da85 2022-04-16 thomas if (err)
1541 e9371be6 2022-04-16 thomas qid = STAILQ_FIRST(ids);
1542 5fe7b5c1 2022-04-16 thomas STAILQ_REMOVE_HEAD(ids, entry);
1543 5fe7b5c1 2022-04-16 thomas nqueued--;
1544 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
1545 5fe7b5c1 2022-04-16 thomas if (color == COLOR_SKIP)
1546 5fe7b5c1 2022-04-16 thomas nskip--;
1548 ec242592 2022-04-22 thomas if (got_object_idset_contains(skip, &qid->id)) {
1549 5fe7b5c1 2022-04-16 thomas got_object_qid_free(qid);
1550 ec2b23c5 2022-07-01 thomas qid = NULL;
1551 5fe7b5c1 2022-04-16 thomas continue;
1553 ec2b23c5 2022-07-01 thomas if (color == COLOR_KEEP &&
1554 ec2b23c5 2022-07-01 thomas got_object_idset_contains(keep, &qid->id)) {
1555 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1556 ec2b23c5 2022-07-01 thomas qid = NULL;
1557 ec2b23c5 2022-07-01 thomas continue;
1559 ec2b23c5 2022-07-01 thomas if (color == COLOR_DROP &&
1560 ec2b23c5 2022-07-01 thomas got_object_idset_contains(drop, &qid->id)) {
1561 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1562 ec2b23c5 2022-07-01 thomas qid = NULL;
1563 ec2b23c5 2022-07-01 thomas continue;
1566 ec2b23c5 2022-07-01 thomas /* Pinned pack may have moved to different cache slot. */
1567 ec2b23c5 2022-07-01 thomas pack = got_repo_get_pinned_pack(repo);
1569 ec2b23c5 2022-07-01 thomas if (packidx && pack) {
1570 ec2b23c5 2022-07-01 thomas idx = got_packidx_get_object_idx(packidx, &qid->id);
1571 ec2b23c5 2022-07-01 thomas if (idx != -1) {
1572 ec2b23c5 2022-07-01 thomas err = paint_packed_commits(pack, &qid->id,
1573 ec2b23c5 2022-07-01 thomas idx, color, ncolored, &nqueued, &nskip,
1574 ec2b23c5 2022-07-01 thomas ids, keep, drop, skip, repo,
1575 ec2b23c5 2022-07-01 thomas progress_cb, progress_arg, rl,
1576 ec2b23c5 2022-07-01 thomas cancel_cb, cancel_arg);
1577 ec2b23c5 2022-07-01 thomas if (err)
1579 5fe7b5c1 2022-04-16 thomas got_object_qid_free(qid);
1580 ec2b23c5 2022-07-01 thomas qid = NULL;
1581 5fe7b5c1 2022-04-16 thomas continue;
1585 ec2b23c5 2022-07-01 thomas switch (color) {
1586 ec2b23c5 2022-07-01 thomas case COLOR_KEEP:
1587 ec242592 2022-04-22 thomas if (got_object_idset_contains(drop, &qid->id)) {
1588 5fe7b5c1 2022-04-16 thomas err = paint_commit(qid, COLOR_SKIP);
1589 5fe7b5c1 2022-04-16 thomas if (err)
1590 5fe7b5c1 2022-04-16 thomas goto done;
1592 5fe7b5c1 2022-04-16 thomas (*ncolored)++;
1593 ec242592 2022-04-22 thomas err = got_object_idset_add(keep, &qid->id, NULL);
1594 5fe7b5c1 2022-04-16 thomas if (err)
1595 5fe7b5c1 2022-04-16 thomas goto done;
1597 5fe7b5c1 2022-04-16 thomas case COLOR_DROP:
1598 ec242592 2022-04-22 thomas if (got_object_idset_contains(keep, &qid->id)) {
1599 5fe7b5c1 2022-04-16 thomas err = paint_commit(qid, COLOR_SKIP);
1600 5fe7b5c1 2022-04-16 thomas if (err)
1601 5fe7b5c1 2022-04-16 thomas goto done;
1603 5fe7b5c1 2022-04-16 thomas (*ncolored)++;
1604 ec242592 2022-04-22 thomas err = got_object_idset_add(drop, &qid->id, NULL);
1605 5fe7b5c1 2022-04-16 thomas if (err)
1606 5fe7b5c1 2022-04-16 thomas goto done;
1608 5fe7b5c1 2022-04-16 thomas case COLOR_SKIP:
1609 ec242592 2022-04-22 thomas if (!got_object_idset_contains(skip, &qid->id)) {
1610 ec242592 2022-04-22 thomas err = got_object_idset_add(skip, &qid->id,
1612 5fe7b5c1 2022-04-16 thomas if (err)
1613 5fe7b5c1 2022-04-16 thomas goto done;
1616 5fe7b5c1 2022-04-16 thomas default:
1617 5fe7b5c1 2022-04-16 thomas /* should not happen */
1618 5fe7b5c1 2022-04-16 thomas err = got_error_fmt(GOT_ERR_NOT_IMPL,
1619 60b94e7d 2022-07-19 thomas "%s invalid commit color %"PRIdPTR, __func__,
1621 5fe7b5c1 2022-04-16 thomas goto done;
1624 85220b0e 2022-03-22 thomas err = report_progress(progress_cb, progress_arg, rl,
1625 85220b0e 2022-03-22 thomas *ncolored, 0, 0, 0L, 0, 0, 0, 0);
1626 85220b0e 2022-03-22 thomas if (err)
1629 ec242592 2022-04-22 thomas err = got_object_open_as_commit(&commit, repo, &qid->id);
1630 5fe7b5c1 2022-04-16 thomas if (err)
1633 5fe7b5c1 2022-04-16 thomas parents = got_object_commit_get_parent_ids(commit);
1634 5fe7b5c1 2022-04-16 thomas if (parents) {
1635 5fe7b5c1 2022-04-16 thomas struct got_object_qid *pid;
1636 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
1637 5fe7b5c1 2022-04-16 thomas STAILQ_FOREACH(pid, parents, entry) {
1638 ec2b23c5 2022-07-01 thomas err = queue_commit_id(ids, &pid->id,
1639 ec2b23c5 2022-07-01 thomas color, repo);
1640 5fe7b5c1 2022-04-16 thomas if (err)
1642 5fe7b5c1 2022-04-16 thomas nqueued++;
1643 5fe7b5c1 2022-04-16 thomas if (color == COLOR_SKIP)
1644 5fe7b5c1 2022-04-16 thomas nskip++;
1648 ec2b23c5 2022-07-01 thomas if (pack == NULL && (commit->flags & GOT_COMMIT_FLAG_PACKED)) {
1649 ec2b23c5 2022-07-01 thomas if (packidx == NULL) {
1650 ec2b23c5 2022-07-01 thomas err = find_pack_for_commit_painting(&packidx,
1651 ec2b23c5 2022-07-01 thomas ids, nqueued, repo);
1652 ec2b23c5 2022-07-01 thomas if (err)
1653 ec2b23c5 2022-07-01 thomas goto done;
1655 ec2b23c5 2022-07-01 thomas if (packidx != NULL) {
1656 ec2b23c5 2022-07-01 thomas err = cache_pack_for_packidx(&pack, packidx,
1658 ec2b23c5 2022-07-01 thomas if (err)
1659 ec2b23c5 2022-07-01 thomas goto done;
1660 ec2b23c5 2022-07-01 thomas err = got_privsep_init_commit_painting(
1661 ec2b23c5 2022-07-01 thomas pack->privsep_child->ibuf);
1662 ec2b23c5 2022-07-01 thomas if (err)
1663 ec2b23c5 2022-07-01 thomas goto done;
1664 ec2b23c5 2022-07-01 thomas err = send_idset(pack->privsep_child->ibuf,
1666 ec2b23c5 2022-07-01 thomas if (err)
1667 ec2b23c5 2022-07-01 thomas goto done;
1668 ec2b23c5 2022-07-01 thomas err = send_idset(pack->privsep_child->ibuf, drop);
1669 ec2b23c5 2022-07-01 thomas if (err)
1670 ec2b23c5 2022-07-01 thomas goto done;
1671 ec2b23c5 2022-07-01 thomas err = send_idset(pack->privsep_child->ibuf, skip);
1672 ec2b23c5 2022-07-01 thomas if (err)
1673 ec2b23c5 2022-07-01 thomas goto done;
1674 ec2b23c5 2022-07-01 thomas err = got_repo_pin_pack(repo, packidx, pack);
1675 ec2b23c5 2022-07-01 thomas if (err)
1676 ec2b23c5 2022-07-01 thomas goto done;
1680 5fe7b5c1 2022-04-16 thomas got_object_commit_close(commit);
1681 5fe7b5c1 2022-04-16 thomas commit = NULL;
1683 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1684 ec2b23c5 2022-07-01 thomas qid = NULL;
1687 ec2b23c5 2022-07-01 thomas if (pack) {
1688 ec2b23c5 2022-07-01 thomas const struct got_error *pack_err;
1689 ec2b23c5 2022-07-01 thomas pack_err = got_privsep_send_painting_commits_done(
1690 ec2b23c5 2022-07-01 thomas pack->privsep_child->ibuf);
1691 ec2b23c5 2022-07-01 thomas if (err == NULL)
1692 ec2b23c5 2022-07-01 thomas err = pack_err;
1694 e9371be6 2022-04-16 thomas if (commit)
1695 e9371be6 2022-04-16 thomas got_object_commit_close(commit);
1696 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1697 ec2b23c5 2022-07-01 thomas got_repo_unpin_pack(repo);
1698 e9371be6 2022-04-16 thomas return err;
1701 e9371be6 2022-04-16 thomas static const struct got_error *
1702 e9371be6 2022-04-16 thomas findtwixt(struct got_object_id ***res, int *nres, int *ncolored,
1703 e9371be6 2022-04-16 thomas struct got_object_id **head, int nhead,
1704 e9371be6 2022-04-16 thomas struct got_object_id **tail, int ntail,
1705 e9371be6 2022-04-16 thomas struct got_repository *repo,
1706 e9371be6 2022-04-16 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1707 e9371be6 2022-04-16 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1709 e9371be6 2022-04-16 thomas const struct got_error *err = NULL;
1710 e9371be6 2022-04-16 thomas struct got_object_id_queue ids;
1711 5fe7b5c1 2022-04-16 thomas struct got_object_idset *keep, *drop, *skip = NULL;
1712 e9371be6 2022-04-16 thomas int i, nkeep;
1714 e9371be6 2022-04-16 thomas STAILQ_INIT(&ids);
1715 e9371be6 2022-04-16 thomas *res = NULL;
1716 e9371be6 2022-04-16 thomas *nres = 0;
1717 e9371be6 2022-04-16 thomas *ncolored = 0;
1719 e9371be6 2022-04-16 thomas keep = got_object_idset_alloc();
1720 e9371be6 2022-04-16 thomas if (keep == NULL)
1721 e9371be6 2022-04-16 thomas return got_error_from_errno("got_object_idset_alloc");
1723 e9371be6 2022-04-16 thomas drop = got_object_idset_alloc();
1724 e9371be6 2022-04-16 thomas if (drop == NULL) {
1725 e9371be6 2022-04-16 thomas err = got_error_from_errno("got_object_idset_alloc");
1726 e9371be6 2022-04-16 thomas goto done;
1729 5fe7b5c1 2022-04-16 thomas skip = got_object_idset_alloc();
1730 5fe7b5c1 2022-04-16 thomas if (skip == NULL) {
1731 5fe7b5c1 2022-04-16 thomas err = got_error_from_errno("got_object_idset_alloc");
1732 5fe7b5c1 2022-04-16 thomas goto done;
1735 e9371be6 2022-04-16 thomas for (i = 0; i < nhead; i++) {
1736 e9371be6 2022-04-16 thomas struct got_object_id *id = head[i];
1737 e9371be6 2022-04-16 thomas if (id == NULL)
1738 e9371be6 2022-04-16 thomas continue;
1739 fc457d24 2022-04-16 thomas err = queue_commit_or_tag_id(id, COLOR_KEEP, &ids, repo);
1740 e9371be6 2022-04-16 thomas if (err)
1741 e9371be6 2022-04-16 thomas goto done;
1744 e9371be6 2022-04-16 thomas for (i = 0; i < ntail; i++) {
1745 e9371be6 2022-04-16 thomas struct got_object_id *id = tail[i];
1746 e9371be6 2022-04-16 thomas if (id == NULL)
1747 e9371be6 2022-04-16 thomas continue;
1748 e9371be6 2022-04-16 thomas err = queue_commit_or_tag_id(id, COLOR_DROP, &ids, repo);
1749 e9371be6 2022-04-16 thomas if (err)
1750 e9371be6 2022-04-16 thomas goto done;
1753 5fe7b5c1 2022-04-16 thomas err = paint_commits(ncolored, &ids, nhead + ntail,
1754 5fe7b5c1 2022-04-16 thomas keep, drop, skip, repo, progress_cb, progress_arg, rl,
1755 5fe7b5c1 2022-04-16 thomas cancel_cb, cancel_arg);
1756 e9371be6 2022-04-16 thomas if (err)
1757 e9371be6 2022-04-16 thomas goto done;
1759 e6bcace5 2021-06-22 stsp nkeep = got_object_idset_num_elements(keep);
1760 e6bcace5 2021-06-22 stsp if (nkeep > 0) {
1761 e6bcace5 2021-06-22 stsp struct append_id_arg arg;
1762 e6bcace5 2021-06-22 stsp arg.array = calloc(nkeep, sizeof(struct got_object_id *));
1763 e6bcace5 2021-06-22 stsp if (arg.array == NULL) {
1764 e6bcace5 2021-06-22 stsp err = got_error_from_errno("calloc");
1765 e6bcace5 2021-06-22 stsp goto done;
1767 5fe7b5c1 2022-04-16 thomas arg.idx = -1;
1768 5fe7b5c1 2022-04-16 thomas arg.skip = skip;
1769 5fe7b5c1 2022-04-16 thomas arg.drop = drop;
1770 e6bcace5 2021-06-22 stsp err = got_object_idset_for_each(keep, append_id, &arg);
1771 e6bcace5 2021-06-22 stsp if (err) {
1772 e6bcace5 2021-06-22 stsp free(arg.array);
1773 e6bcace5 2021-06-22 stsp goto done;
1775 e6bcace5 2021-06-22 stsp *res = arg.array;
1776 5fe7b5c1 2022-04-16 thomas *nres = arg.idx + 1;
1779 e6bcace5 2021-06-22 stsp got_object_idset_free(keep);
1780 e6bcace5 2021-06-22 stsp got_object_idset_free(drop);
1781 5fe7b5c1 2022-04-16 thomas if (skip)
1782 5fe7b5c1 2022-04-16 thomas got_object_idset_free(skip);
1783 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&ids);
1784 63915ee5 2022-06-23 thomas return err;
1787 63915ee5 2022-06-23 thomas struct load_packed_obj_arg {
1788 63915ee5 2022-06-23 thomas /* output parameters: */
1789 63915ee5 2022-06-23 thomas struct got_object_id *id;
1790 63915ee5 2022-06-23 thomas char *dpath;
1791 63915ee5 2022-06-23 thomas time_t mtime;
1793 63915ee5 2022-06-23 thomas /* input parameters: */
1794 63915ee5 2022-06-23 thomas uint32_t seed;
1795 63915ee5 2022-06-23 thomas int want_meta;
1796 63915ee5 2022-06-23 thomas struct got_object_idset *idset;
1797 63915ee5 2022-06-23 thomas struct got_object_idset *idset_exclude;
1798 63915ee5 2022-06-23 thomas int loose_obj_only;
1799 63915ee5 2022-06-23 thomas int *ncolored;
1800 63915ee5 2022-06-23 thomas int *nfound;
1801 63915ee5 2022-06-23 thomas int *ntrees;
1802 63915ee5 2022-06-23 thomas got_pack_progress_cb progress_cb;
1803 63915ee5 2022-06-23 thomas void *progress_arg;
1804 63915ee5 2022-06-23 thomas struct got_ratelimit *rl;
1805 63915ee5 2022-06-23 thomas got_cancel_cb cancel_cb;
1806 63915ee5 2022-06-23 thomas void *cancel_arg;
1809 63915ee5 2022-06-23 thomas static const struct got_error *
1810 63915ee5 2022-06-23 thomas load_packed_commit_id(void *arg, time_t mtime, struct got_object_id *id,
1811 63915ee5 2022-06-23 thomas struct got_repository *repo)
1813 63915ee5 2022-06-23 thomas struct load_packed_obj_arg *a = arg;
1815 63915ee5 2022-06-23 thomas if (got_object_idset_contains(a->idset, id) ||
1816 63915ee5 2022-06-23 thomas got_object_idset_contains(a->idset_exclude, id))
1817 63915ee5 2022-06-23 thomas return NULL;
1819 63915ee5 2022-06-23 thomas return add_object(a->want_meta,
1820 63915ee5 2022-06-23 thomas a->want_meta ? a->idset : a->idset_exclude,
1821 63915ee5 2022-06-23 thomas id, "", GOT_OBJ_TYPE_COMMIT, mtime, a->seed, a->loose_obj_only,
1822 63915ee5 2022-06-23 thomas repo, a->ncolored, a->nfound, a->ntrees,
1823 63915ee5 2022-06-23 thomas a->progress_cb, a->progress_arg, a->rl);
1826 63915ee5 2022-06-23 thomas static const struct got_error *
1827 63915ee5 2022-06-23 thomas load_packed_tree_ids(void *arg, struct got_tree_object *tree, time_t mtime,
1828 63915ee5 2022-06-23 thomas struct got_object_id *id, const char *dpath, struct got_repository *repo)
1830 63915ee5 2022-06-23 thomas const struct got_error *err;
1831 63915ee5 2022-06-23 thomas struct load_packed_obj_arg *a = arg;
1832 63915ee5 2022-06-23 thomas const char *relpath;
1835 63915ee5 2022-06-23 thomas * When we receive a tree's ID and path but not the tree itself,
1836 63915ee5 2022-06-23 thomas * this tree object was not found in the pack file. This is the
1837 63915ee5 2022-06-23 thomas * last time we are being called for this optimized traversal.
1838 63915ee5 2022-06-23 thomas * Return from here and switch to loading objects the slow way.
1840 63915ee5 2022-06-23 thomas if (tree == NULL) {
1841 63915ee5 2022-06-23 thomas free(a->id);
1842 63915ee5 2022-06-23 thomas a->id = got_object_id_dup(id);
1843 63915ee5 2022-06-23 thomas if (a->id == NULL) {
1844 63915ee5 2022-06-23 thomas err = got_error_from_errno("got_object_id_dup");
1845 63915ee5 2022-06-23 thomas free(a->dpath);
1846 63915ee5 2022-06-23 thomas a->dpath = NULL;
1847 63915ee5 2022-06-23 thomas return err;
1850 63915ee5 2022-06-23 thomas free(a->dpath);
1851 63915ee5 2022-06-23 thomas a->dpath = strdup(dpath);
1852 63915ee5 2022-06-23 thomas if (a->dpath == NULL) {
1853 63915ee5 2022-06-23 thomas err = got_error_from_errno("strdup");
1854 63915ee5 2022-06-23 thomas free(a->id);
1855 63915ee5 2022-06-23 thomas a->id = NULL;
1856 63915ee5 2022-06-23 thomas return err;
1859 63915ee5 2022-06-23 thomas a->mtime = mtime;
1860 63915ee5 2022-06-23 thomas return NULL;
1863 63915ee5 2022-06-23 thomas if (got_object_idset_contains(a->idset, id) ||
1864 63915ee5 2022-06-23 thomas got_object_idset_contains(a->idset_exclude, id))
1865 63915ee5 2022-06-23 thomas return NULL;
1867 63915ee5 2022-06-23 thomas relpath = dpath;
1868 63915ee5 2022-06-23 thomas while (relpath[0] == '/')
1869 63915ee5 2022-06-23 thomas relpath++;
1871 63915ee5 2022-06-23 thomas err = add_object(a->want_meta,
1872 63915ee5 2022-06-23 thomas a->want_meta ? a->idset : a->idset_exclude,
1873 63915ee5 2022-06-23 thomas id, relpath, GOT_OBJ_TYPE_TREE, mtime, a->seed,
1874 63915ee5 2022-06-23 thomas a->loose_obj_only, repo, a->ncolored, a->nfound, a->ntrees,
1875 63915ee5 2022-06-23 thomas a->progress_cb, a->progress_arg, a->rl);
1876 63915ee5 2022-06-23 thomas if (err)
1877 63915ee5 2022-06-23 thomas return err;
1879 63915ee5 2022-06-23 thomas return load_tree_entries(NULL, a->want_meta, a->idset,
1880 63915ee5 2022-06-23 thomas a->idset_exclude, tree, dpath, mtime, a->seed, repo,
1881 63915ee5 2022-06-23 thomas a->loose_obj_only, a->ncolored, a->nfound, a->ntrees,
1882 63915ee5 2022-06-23 thomas a->progress_cb, a->progress_arg, a->rl,
1883 63915ee5 2022-06-23 thomas a->cancel_cb, a->cancel_arg);
1886 63915ee5 2022-06-23 thomas static const struct got_error *
1887 e71f1e62 2022-06-23 thomas load_packed_object_ids(int *found_all_objects,
1888 e71f1e62 2022-06-23 thomas struct got_object_id **ours, int nours,
1889 63915ee5 2022-06-23 thomas struct got_object_id **theirs, int ntheirs,
1890 63915ee5 2022-06-23 thomas int want_meta, uint32_t seed, struct got_object_idset *idset,
1891 63915ee5 2022-06-23 thomas struct got_object_idset *idset_exclude, int loose_obj_only,
1892 63915ee5 2022-06-23 thomas struct got_repository *repo, struct got_packidx *packidx,
1893 63915ee5 2022-06-23 thomas int *ncolored, int *nfound, int *ntrees,
1894 63915ee5 2022-06-23 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1895 63915ee5 2022-06-23 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1897 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1898 63915ee5 2022-06-23 thomas struct load_packed_obj_arg lpa;
1900 63915ee5 2022-06-23 thomas memset(&lpa, 0, sizeof(lpa));
1901 63915ee5 2022-06-23 thomas lpa.seed = seed;
1902 63915ee5 2022-06-23 thomas lpa.want_meta = want_meta;
1903 63915ee5 2022-06-23 thomas lpa.idset = idset;
1904 63915ee5 2022-06-23 thomas lpa.idset_exclude = idset_exclude;
1905 63915ee5 2022-06-23 thomas lpa.loose_obj_only = loose_obj_only;
1906 63915ee5 2022-06-23 thomas lpa.ncolored = ncolored;
1907 63915ee5 2022-06-23 thomas lpa.nfound = nfound;
1908 63915ee5 2022-06-23 thomas lpa.ntrees = ntrees;
1909 63915ee5 2022-06-23 thomas lpa.progress_cb = progress_cb;
1910 63915ee5 2022-06-23 thomas lpa.progress_arg = progress_arg;
1911 63915ee5 2022-06-23 thomas lpa.rl = rl;
1912 63915ee5 2022-06-23 thomas lpa.cancel_cb = cancel_cb;
1913 63915ee5 2022-06-23 thomas lpa.cancel_arg = cancel_arg;
1915 63915ee5 2022-06-23 thomas /* Attempt to load objects via got-read-pack, as far as possible. */
1916 e71f1e62 2022-06-23 thomas err = got_object_enumerate(found_all_objects, load_packed_commit_id,
1917 63915ee5 2022-06-23 thomas load_packed_tree_ids, &lpa, ours, nours, theirs, ntheirs,
1918 63915ee5 2022-06-23 thomas packidx, repo);
1919 63915ee5 2022-06-23 thomas if (err)
1920 63915ee5 2022-06-23 thomas return err;
1922 63915ee5 2022-06-23 thomas if (lpa.id == NULL)
1923 63915ee5 2022-06-23 thomas return NULL;
1926 63915ee5 2022-06-23 thomas * An incomplete tree hierarchy was present in the pack file
1927 e71f1e62 2022-06-23 thomas * and caused loading to be aborted.
1928 63915ee5 2022-06-23 thomas * Continue loading trees the slow way.
1930 63915ee5 2022-06-23 thomas err = load_tree(want_meta, idset, idset_exclude,
1931 63915ee5 2022-06-23 thomas lpa.id, lpa.dpath, lpa.mtime, seed, repo, loose_obj_only,
1932 63915ee5 2022-06-23 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl,
1933 63915ee5 2022-06-23 thomas cancel_cb, cancel_arg);
1934 63915ee5 2022-06-23 thomas free(lpa.id);
1935 63915ee5 2022-06-23 thomas free(lpa.dpath);
1936 e6bcace5 2021-06-22 stsp return err;
1939 e6bcace5 2021-06-22 stsp static const struct got_error *
1940 63915ee5 2022-06-23 thomas find_pack_for_enumeration(struct got_packidx **best_packidx,
1941 63915ee5 2022-06-23 thomas struct got_object_id **ids, int nids, struct got_repository *repo)
1943 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1944 63915ee5 2022-06-23 thomas struct got_pathlist_entry *pe;
1945 63915ee5 2022-06-23 thomas const char *best_packidx_path = NULL;
1946 63915ee5 2022-06-23 thomas int nobj_max = 0;
1947 63915ee5 2022-06-23 thomas int ncommits_max = 0;
1949 63915ee5 2022-06-23 thomas *best_packidx = NULL;
1952 63915ee5 2022-06-23 thomas * Find the largest pack which contains at least some of the
1953 63915ee5 2022-06-23 thomas * commits and tags we are interested in.
1955 63915ee5 2022-06-23 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1956 63915ee5 2022-06-23 thomas const char *path_packidx = pe->path;
1957 63915ee5 2022-06-23 thomas struct got_packidx *packidx;
1958 63915ee5 2022-06-23 thomas int nobj, i, idx, ncommits = 0;
1960 63915ee5 2022-06-23 thomas err = got_repo_get_packidx(&packidx, path_packidx, repo);
1961 63915ee5 2022-06-23 thomas if (err)
1964 63915ee5 2022-06-23 thomas nobj = be32toh(packidx->hdr.fanout_table[0xff]);
1965 63915ee5 2022-06-23 thomas if (nobj <= nobj_max)
1966 63915ee5 2022-06-23 thomas continue;
1968 63915ee5 2022-06-23 thomas for (i = 0; i < nids; i++) {
1969 63915ee5 2022-06-23 thomas idx = got_packidx_get_object_idx(packidx, ids[i]);
1970 63915ee5 2022-06-23 thomas if (idx != -1)
1971 63915ee5 2022-06-23 thomas ncommits++;
1973 63915ee5 2022-06-23 thomas if (ncommits > ncommits_max) {
1974 63915ee5 2022-06-23 thomas best_packidx_path = path_packidx;
1975 63915ee5 2022-06-23 thomas nobj_max = nobj;
1976 63915ee5 2022-06-23 thomas ncommits_max = ncommits;
1980 eee80a61 2022-06-23 thomas if (best_packidx_path && err == NULL) {
1981 63915ee5 2022-06-23 thomas err = got_repo_get_packidx(best_packidx, best_packidx_path,
1985 63915ee5 2022-06-23 thomas return err;
1988 63915ee5 2022-06-23 thomas static const struct got_error *
1989 85220b0e 2022-03-22 thomas load_object_ids(int *ncolored, int *nfound, int *ntrees,
1990 85220b0e 2022-03-22 thomas struct got_object_idset *idset, struct got_object_id **theirs, int ntheirs,
1991 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours, struct got_repository *repo,
1992 cc524d36 2022-05-31 thomas uint32_t seed, int loose_obj_only, got_pack_progress_cb progress_cb,
1993 cc524d36 2022-05-31 thomas void *progress_arg, struct got_ratelimit *rl, got_cancel_cb cancel_cb,
1994 cc524d36 2022-05-31 thomas void *cancel_arg)
1996 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1997 e6bcace5 2021-06-22 stsp struct got_object_id **ids = NULL;
1998 63915ee5 2022-06-23 thomas struct got_packidx *packidx = NULL;
1999 e71f1e62 2022-06-23 thomas int i, nobj = 0, obj_type, found_all_objects = 0;
2000 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude;
2002 7afbdbad 2022-05-12 thomas idset_exclude = got_object_idset_alloc();
2003 7afbdbad 2022-05-12 thomas if (idset_exclude == NULL)
2004 7afbdbad 2022-05-12 thomas return got_error_from_errno("got_object_idset_alloc");
2006 85220b0e 2022-03-22 thomas *ncolored = 0;
2007 85220b0e 2022-03-22 thomas *nfound = 0;
2008 85220b0e 2022-03-22 thomas *ntrees = 0;
2010 85220b0e 2022-03-22 thomas err = findtwixt(&ids, &nobj, ncolored, ours, nours, theirs, ntheirs,
2011 85220b0e 2022-03-22 thomas repo, progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
2012 ae2b0251 2022-05-12 thomas if (err)
2013 e6bcace5 2021-06-22 stsp goto done;
2015 63915ee5 2022-06-23 thomas err = find_pack_for_enumeration(&packidx, theirs, ntheirs, repo);
2016 63915ee5 2022-06-23 thomas if (err)
2017 63915ee5 2022-06-23 thomas goto done;
2018 63915ee5 2022-06-23 thomas if (packidx) {
2019 e71f1e62 2022-06-23 thomas err = load_packed_object_ids(&found_all_objects,
2020 e71f1e62 2022-06-23 thomas theirs, ntheirs, NULL, 0, 0, seed, idset, idset_exclude,
2021 e71f1e62 2022-06-23 thomas loose_obj_only, repo, packidx, ncolored, nfound, ntrees,
2022 e71f1e62 2022-06-23 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
2023 63915ee5 2022-06-23 thomas if (err)
2024 63915ee5 2022-06-23 thomas goto done;
2027 e6bcace5 2021-06-22 stsp for (i = 0; i < ntheirs; i++) {
2028 05118f5a 2021-06-22 stsp struct got_object_id *id = theirs[i];
2029 05118f5a 2021-06-22 stsp if (id == NULL)
2031 05118f5a 2021-06-22 stsp err = got_object_get_type(&obj_type, repo, id);
2033 05118f5a 2021-06-22 stsp return err;
2034 8eef4276 2022-04-16 thomas if (obj_type == GOT_OBJ_TYPE_COMMIT) {
2035 e71f1e62 2022-06-23 thomas if (!found_all_objects) {
2036 e71f1e62 2022-06-23 thomas err = load_commit(0, idset, idset_exclude,
2037 e71f1e62 2022-06-23 thomas id, repo, seed, loose_obj_only,
2038 e71f1e62 2022-06-23 thomas ncolored, nfound, ntrees,
2039 e71f1e62 2022-06-23 thomas progress_cb, progress_arg, rl,
2040 e71f1e62 2022-06-23 thomas cancel_cb, cancel_arg);
2041 e71f1e62 2022-06-23 thomas if (err)
2042 e71f1e62 2022-06-23 thomas goto done;
2044 8eef4276 2022-04-16 thomas } else if (obj_type == GOT_OBJ_TYPE_TAG) {
2045 7afbdbad 2022-05-12 thomas err = load_tag(0, idset, idset_exclude, id, repo,
2046 cc524d36 2022-05-31 thomas seed, loose_obj_only, ncolored, nfound, ntrees,
2047 8eef4276 2022-04-16 thomas progress_cb, progress_arg, rl,
2048 8eef4276 2022-04-16 thomas cancel_cb, cancel_arg);
2049 8eef4276 2022-04-16 thomas if (err)
2050 8eef4276 2022-04-16 thomas goto done;
2054 e71f1e62 2022-06-23 thomas found_all_objects = 0;
2055 63915ee5 2022-06-23 thomas err = find_pack_for_enumeration(&packidx, ids, nobj, repo);
2056 63915ee5 2022-06-23 thomas if (err)
2057 63915ee5 2022-06-23 thomas goto done;
2058 63915ee5 2022-06-23 thomas if (packidx) {
2059 e71f1e62 2022-06-23 thomas err = load_packed_object_ids(&found_all_objects, ids,
2060 e71f1e62 2022-06-23 thomas nobj, theirs, ntheirs, 1, seed, idset, idset_exclude,
2061 e71f1e62 2022-06-23 thomas loose_obj_only, repo, packidx, ncolored, nfound, ntrees,
2062 63915ee5 2022-06-23 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
2063 63915ee5 2022-06-23 thomas if (err)
2064 63915ee5 2022-06-23 thomas goto done;
2067 e71f1e62 2022-06-23 thomas if (!found_all_objects) {
2068 e71f1e62 2022-06-23 thomas for (i = 0; i < nobj; i++) {
2069 e71f1e62 2022-06-23 thomas err = load_commit(1, idset, idset_exclude, ids[i],
2070 e71f1e62 2022-06-23 thomas repo, seed, loose_obj_only, ncolored, nfound,
2071 e71f1e62 2022-06-23 thomas ntrees, progress_cb, progress_arg, rl,
2072 e71f1e62 2022-06-23 thomas cancel_cb, cancel_arg);
2073 e71f1e62 2022-06-23 thomas if (err)
2074 e71f1e62 2022-06-23 thomas goto done;
2078 05118f5a 2021-06-22 stsp for (i = 0; i < nours; i++) {
2079 05118f5a 2021-06-22 stsp struct got_object_id *id = ours[i];
2080 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m;
2081 05118f5a 2021-06-22 stsp if (id == NULL)
2083 f9c2e8e5 2022-02-13 thomas m = got_object_idset_get(idset, id);
2084 f9c2e8e5 2022-02-13 thomas if (m == NULL) {
2085 07165b17 2021-07-01 stsp err = got_object_get_type(&obj_type, repo, id);
2087 07165b17 2021-07-01 stsp goto done;
2089 f9c2e8e5 2022-02-13 thomas obj_type = m->obj_type;
2090 05118f5a 2021-06-22 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
2092 7afbdbad 2022-05-12 thomas err = load_tag(1, idset, idset_exclude, id, repo,
2093 cc524d36 2022-05-31 thomas seed, loose_obj_only, ncolored, nfound, ntrees,
2094 7afbdbad 2022-05-12 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
2096 e6bcace5 2021-06-22 stsp goto done;
2099 e6bcace5 2021-06-22 stsp for (i = 0; i < nobj; i++) {
2100 e6bcace5 2021-06-22 stsp free(ids[i]);
2102 e6bcace5 2021-06-22 stsp free(ids);
2103 7afbdbad 2022-05-12 thomas got_object_idset_free(idset_exclude);
2104 e6bcace5 2021-06-22 stsp return err;
2107 ef20f542 2022-06-26 thomas static const struct got_error *
2108 20a7d452 2022-10-16 thomas hwrite(int fd, const void *buf, off_t len, SHA1_CTX *ctx)
2110 20a7d452 2022-10-16 thomas ssize_t w;
2112 e6bcace5 2021-06-22 stsp SHA1Update(ctx, buf, len);
2113 20a7d452 2022-10-16 thomas w = write(fd, buf, len);
2114 20a7d452 2022-10-16 thomas if (w == -1)
2115 20a7d452 2022-10-16 thomas return got_error_from_errno("write");
2116 20a7d452 2022-10-16 thomas else if (w != len)
2117 20a7d452 2022-10-16 thomas return got_error(GOT_ERR_IO);
2118 9249e7e3 2022-05-12 thomas return NULL;
2121 ef20f542 2022-06-26 thomas static const struct got_error *
2122 20a7d452 2022-10-16 thomas hcopy(FILE *fsrc, int fd_dst, off_t len, SHA1_CTX *ctx)
2124 9249e7e3 2022-05-12 thomas unsigned char buf[65536];
2125 9249e7e3 2022-05-12 thomas off_t remain = len;
2126 9249e7e3 2022-05-12 thomas size_t n;
2127 20a7d452 2022-10-16 thomas ssize_t w;
2129 9249e7e3 2022-05-12 thomas while (remain > 0) {
2130 9249e7e3 2022-05-12 thomas size_t copylen = MIN(sizeof(buf), remain);
2131 9249e7e3 2022-05-12 thomas n = fread(buf, 1, copylen, fsrc);
2132 9249e7e3 2022-05-12 thomas if (n != copylen)
2133 9249e7e3 2022-05-12 thomas return got_ferror(fsrc, GOT_ERR_IO);
2134 9249e7e3 2022-05-12 thomas SHA1Update(ctx, buf, copylen);
2135 20a7d452 2022-10-16 thomas w = write(fd_dst, buf, copylen);
2136 20a7d452 2022-10-16 thomas if (w == -1)
2137 20a7d452 2022-10-16 thomas return got_error_from_errno("write");
2138 20a7d452 2022-10-16 thomas else if (w != copylen)
2139 20a7d452 2022-10-16 thomas return got_error(GOT_ERR_IO);
2140 9249e7e3 2022-05-12 thomas remain -= copylen;
2143 e6bcace5 2021-06-22 stsp return NULL;
2146 ef20f542 2022-06-26 thomas static const struct got_error *
2147 d93dda9a 2022-05-12 thomas hcopy_mmap(uint8_t *src, off_t src_offset, size_t src_size,
2148 20a7d452 2022-10-16 thomas int fd, off_t len, SHA1_CTX *ctx)
2150 20a7d452 2022-10-16 thomas ssize_t w;
2152 d93dda9a 2022-05-12 thomas if (src_offset + len > src_size)
2153 d93dda9a 2022-05-12 thomas return got_error(GOT_ERR_RANGE);
2155 d93dda9a 2022-05-12 thomas SHA1Update(ctx, src + src_offset, len);
2156 20a7d452 2022-10-16 thomas w = write(fd, src + src_offset, len);
2157 20a7d452 2022-10-16 thomas if (w == -1)
2158 20a7d452 2022-10-16 thomas return got_error_from_errno("write");
2159 20a7d452 2022-10-16 thomas else if (w != len)
2160 20a7d452 2022-10-16 thomas return got_error(GOT_ERR_IO);
2161 d93dda9a 2022-05-12 thomas return NULL;
2164 e6bcace5 2021-06-22 stsp static void
2165 e6bcace5 2021-06-22 stsp putbe32(char *b, uint32_t n)
2167 e6bcace5 2021-06-22 stsp b[0] = n >> 24;
2168 e6bcace5 2021-06-22 stsp b[1] = n >> 16;
2169 e6bcace5 2021-06-22 stsp b[2] = n >> 8;
2170 e6bcace5 2021-06-22 stsp b[3] = n >> 0;
2173 e6bcace5 2021-06-22 stsp static int
2174 e6bcace5 2021-06-22 stsp write_order_cmp(const void *pa, const void *pb)
2176 e6bcace5 2021-06-22 stsp struct got_pack_meta *a, *b, *ahd, *bhd;
2178 e6bcace5 2021-06-22 stsp a = *(struct got_pack_meta **)pa;
2179 e6bcace5 2021-06-22 stsp b = *(struct got_pack_meta **)pb;
2180 e6bcace5 2021-06-22 stsp ahd = (a->head == NULL) ? a : a->head;
2181 e6bcace5 2021-06-22 stsp bhd = (b->head == NULL) ? b : b->head;
2182 f6b43367 2022-05-01 thomas if (bhd->mtime < ahd->mtime)
2183 f6b43367 2022-05-01 thomas return -1;
2184 f6b43367 2022-05-01 thomas if (bhd->mtime > ahd->mtime)
2185 f6b43367 2022-05-01 thomas return 1;
2186 f6b43367 2022-05-01 thomas if (bhd < ahd)
2187 f6b43367 2022-05-01 thomas return -1;
2188 f6b43367 2022-05-01 thomas if (bhd > ahd)
2189 f6b43367 2022-05-01 thomas return 1;
2190 e6bcace5 2021-06-22 stsp if (a->nchain != b->nchain)
2191 e6bcace5 2021-06-22 stsp return a->nchain - b->nchain;
2192 f6b43367 2022-05-01 thomas if (a->mtime < b->mtime)
2193 f6b43367 2022-05-01 thomas return -1;
2194 f6b43367 2022-05-01 thomas if (a->mtime > b->mtime)
2195 f6b43367 2022-05-01 thomas return 1;
2196 f6b43367 2022-05-01 thomas return got_object_id_cmp(&a->id, &b->id);
2199 f9c2e8e5 2022-02-13 thomas static int
2200 f9c2e8e5 2022-02-13 thomas reuse_write_order_cmp(const void *pa, const void *pb)
2202 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *a, *b;
2204 f9c2e8e5 2022-02-13 thomas a = *(struct got_pack_meta **)pa;
2205 f9c2e8e5 2022-02-13 thomas b = *(struct got_pack_meta **)pb;
2207 f9c2e8e5 2022-02-13 thomas if (a->reused_delta_offset < b->reused_delta_offset)
2208 f9c2e8e5 2022-02-13 thomas return -1;
2209 f9c2e8e5 2022-02-13 thomas if (a->reused_delta_offset > b->reused_delta_offset)
2210 f9c2e8e5 2022-02-13 thomas return 1;
2211 f9c2e8e5 2022-02-13 thomas return 0;
2214 e6bcace5 2021-06-22 stsp static const struct got_error *
2215 e6bcace5 2021-06-22 stsp packhdr(int *hdrlen, char *hdr, size_t bufsize, int obj_type, size_t len)
2219 e6bcace5 2021-06-22 stsp *hdrlen = 0;
2221 e6bcace5 2021-06-22 stsp hdr[0] = obj_type << 4;
2222 e6bcace5 2021-06-22 stsp hdr[0] |= len & 0xf;
2223 e6bcace5 2021-06-22 stsp len >>= 4;
2224 e6bcace5 2021-06-22 stsp for (i = 1; len != 0; i++){
2225 e6bcace5 2021-06-22 stsp if (i >= bufsize)
2226 e6bcace5 2021-06-22 stsp return got_error(GOT_ERR_NO_SPACE);
2227 e6bcace5 2021-06-22 stsp hdr[i - 1] |= GOT_DELTA_SIZE_MORE;
2228 e6bcace5 2021-06-22 stsp hdr[i] = len & GOT_DELTA_SIZE_VAL_MASK;
2229 e6bcace5 2021-06-22 stsp len >>= GOT_DELTA_SIZE_SHIFT;
2232 e6bcace5 2021-06-22 stsp *hdrlen = i;
2233 e6bcace5 2021-06-22 stsp return NULL;
2236 e6bcace5 2021-06-22 stsp static int
2237 e6bcace5 2021-06-22 stsp packoff(char *hdr, off_t off)
2240 e6bcace5 2021-06-22 stsp char rbuf[8];
2242 e6bcace5 2021-06-22 stsp rbuf[0] = off & GOT_DELTA_SIZE_VAL_MASK;
2243 e6bcace5 2021-06-22 stsp for (i = 1; (off >>= GOT_DELTA_SIZE_SHIFT) != 0; i++) {
2244 e6bcace5 2021-06-22 stsp rbuf[i] = (--off & GOT_DELTA_SIZE_VAL_MASK) |
2245 e6bcace5 2021-06-22 stsp GOT_DELTA_SIZE_MORE;
2249 e6bcace5 2021-06-22 stsp while (i > 0)
2250 e6bcace5 2021-06-22 stsp hdr[j++] = rbuf[--i];
2254 e6bcace5 2021-06-22 stsp static const struct got_error *
2255 20a7d452 2022-10-16 thomas deltahdr(off_t *packfile_size, SHA1_CTX *ctx, int packfd,
2256 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m)
2258 3b6ceab7 2022-01-10 thomas const struct got_error *err;
2259 3b6ceab7 2022-01-10 thomas char buf[32];
2262 f9c2e8e5 2022-02-13 thomas if (m->prev->off != 0) {
2263 3b6ceab7 2022-01-10 thomas err = packhdr(&nh, buf, sizeof(buf),
2264 3b6ceab7 2022-01-10 thomas GOT_OBJ_TYPE_OFFSET_DELTA, m->delta_len);
2265 3b6ceab7 2022-01-10 thomas if (err)
2266 3b6ceab7 2022-01-10 thomas return err;
2267 3b6ceab7 2022-01-10 thomas nh += packoff(buf + nh, m->off - m->prev->off);
2268 20a7d452 2022-10-16 thomas err = hwrite(packfd, buf, nh, ctx);
2269 3b6ceab7 2022-01-10 thomas if (err)
2270 3b6ceab7 2022-01-10 thomas return err;
2271 3b6ceab7 2022-01-10 thomas *packfile_size += nh;
2272 3b6ceab7 2022-01-10 thomas } else {
2273 3b6ceab7 2022-01-10 thomas err = packhdr(&nh, buf, sizeof(buf),
2274 3b6ceab7 2022-01-10 thomas GOT_OBJ_TYPE_REF_DELTA, m->delta_len);
2275 3b6ceab7 2022-01-10 thomas if (err)
2276 3b6ceab7 2022-01-10 thomas return err;
2277 20a7d452 2022-10-16 thomas err = hwrite(packfd, buf, nh, ctx);
2278 3b6ceab7 2022-01-10 thomas if (err)
2279 3b6ceab7 2022-01-10 thomas return err;
2280 3b6ceab7 2022-01-10 thomas *packfile_size += nh;
2281 20a7d452 2022-10-16 thomas err = hwrite(packfd, m->prev->id.sha1,
2282 3b6ceab7 2022-01-10 thomas sizeof(m->prev->id.sha1), ctx);
2283 3b6ceab7 2022-01-10 thomas if (err)
2284 3b6ceab7 2022-01-10 thomas return err;
2285 3b6ceab7 2022-01-10 thomas *packfile_size += sizeof(m->prev->id.sha1);
2288 3b6ceab7 2022-01-10 thomas return NULL;
2291 3b6ceab7 2022-01-10 thomas static const struct got_error *
2292 20a7d452 2022-10-16 thomas write_packed_object(off_t *packfile_size, int packfd,
2293 d93dda9a 2022-05-12 thomas FILE *delta_cache, uint8_t *delta_cache_map, size_t delta_cache_size,
2294 d93dda9a 2022-05-12 thomas struct got_pack_meta *m, int *outfd, SHA1_CTX *ctx,
2295 d93dda9a 2022-05-12 thomas struct got_repository *repo)
2297 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
2298 f9c2e8e5 2022-02-13 thomas struct got_deflate_checksum csum;
2299 f9c2e8e5 2022-02-13 thomas char buf[32];
2301 f9c2e8e5 2022-02-13 thomas struct got_raw_object *raw = NULL;
2302 f9c2e8e5 2022-02-13 thomas off_t outlen;
2304 f9c2e8e5 2022-02-13 thomas csum.output_sha1 = ctx;
2305 f9c2e8e5 2022-02-13 thomas csum.output_crc = NULL;
2307 20a7d452 2022-10-16 thomas m->off = *packfile_size;
2308 f9c2e8e5 2022-02-13 thomas if (m->delta_len == 0) {
2309 f9c2e8e5 2022-02-13 thomas err = got_object_raw_open(&raw, outfd, repo, &m->id);
2310 f9c2e8e5 2022-02-13 thomas if (err)
2311 f9c2e8e5 2022-02-13 thomas goto done;
2312 f9c2e8e5 2022-02-13 thomas err = packhdr(&nh, buf, sizeof(buf),
2313 f9c2e8e5 2022-02-13 thomas m->obj_type, raw->size);
2314 f9c2e8e5 2022-02-13 thomas if (err)
2315 f9c2e8e5 2022-02-13 thomas goto done;
2316 20a7d452 2022-10-16 thomas err = hwrite(packfd, buf, nh, ctx);
2317 f9c2e8e5 2022-02-13 thomas if (err)
2318 f9c2e8e5 2022-02-13 thomas goto done;
2319 f9c2e8e5 2022-02-13 thomas *packfile_size += nh;
2320 f9c2e8e5 2022-02-13 thomas if (raw->f == NULL) {
2321 20a7d452 2022-10-16 thomas err = got_deflate_to_fd_mmap(&outlen,
2322 f9c2e8e5 2022-02-13 thomas raw->data + raw->hdrlen, 0, raw->size,
2323 20a7d452 2022-10-16 thomas packfd, &csum);
2324 f9c2e8e5 2022-02-13 thomas if (err)
2325 f9c2e8e5 2022-02-13 thomas goto done;
2326 f9c2e8e5 2022-02-13 thomas } else {
2327 f9c2e8e5 2022-02-13 thomas if (fseeko(raw->f, raw->hdrlen, SEEK_SET)
2328 f9c2e8e5 2022-02-13 thomas == -1) {
2329 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fseeko");
2330 f9c2e8e5 2022-02-13 thomas goto done;
2332 20a7d452 2022-10-16 thomas err = got_deflate_to_fd(&outlen, raw->f,
2333 20a7d452 2022-10-16 thomas raw->size, packfd, &csum);
2334 f9c2e8e5 2022-02-13 thomas if (err)
2335 f9c2e8e5 2022-02-13 thomas goto done;
2337 f9c2e8e5 2022-02-13 thomas *packfile_size += outlen;
2338 f9c2e8e5 2022-02-13 thomas got_object_raw_close(raw);
2339 f9c2e8e5 2022-02-13 thomas raw = NULL;
2340 f9c2e8e5 2022-02-13 thomas } else if (m->delta_buf) {
2341 20a7d452 2022-10-16 thomas err = deltahdr(packfile_size, ctx, packfd, m);
2342 f9c2e8e5 2022-02-13 thomas if (err)
2343 f9c2e8e5 2022-02-13 thomas goto done;
2344 20a7d452 2022-10-16 thomas err = hwrite(packfd, m->delta_buf,
2345 9249e7e3 2022-05-12 thomas m->delta_compressed_len, ctx);
2346 f9c2e8e5 2022-02-13 thomas if (err)
2347 f9c2e8e5 2022-02-13 thomas goto done;
2348 9249e7e3 2022-05-12 thomas *packfile_size += m->delta_compressed_len;
2349 f9c2e8e5 2022-02-13 thomas free(m->delta_buf);
2350 f9c2e8e5 2022-02-13 thomas m->delta_buf = NULL;
2351 d93dda9a 2022-05-12 thomas } else if (delta_cache_map) {
2352 20a7d452 2022-10-16 thomas err = deltahdr(packfile_size, ctx, packfd, m);
2353 d93dda9a 2022-05-12 thomas if (err)
2354 d93dda9a 2022-05-12 thomas goto done;
2355 d93dda9a 2022-05-12 thomas err = hcopy_mmap(delta_cache_map, m->delta_offset,
2356 20a7d452 2022-10-16 thomas delta_cache_size, packfd, m->delta_compressed_len,
2358 d93dda9a 2022-05-12 thomas if (err)
2359 d93dda9a 2022-05-12 thomas goto done;
2360 d93dda9a 2022-05-12 thomas *packfile_size += m->delta_compressed_len;
2361 f9c2e8e5 2022-02-13 thomas } else {
2362 f9c2e8e5 2022-02-13 thomas if (fseeko(delta_cache, m->delta_offset, SEEK_SET)
2363 f9c2e8e5 2022-02-13 thomas == -1) {
2364 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fseeko");
2365 f9c2e8e5 2022-02-13 thomas goto done;
2367 20a7d452 2022-10-16 thomas err = deltahdr(packfile_size, ctx, packfd, m);
2368 f9c2e8e5 2022-02-13 thomas if (err)
2369 f9c2e8e5 2022-02-13 thomas goto done;
2370 20a7d452 2022-10-16 thomas err = hcopy(delta_cache, packfd,
2371 9249e7e3 2022-05-12 thomas m->delta_compressed_len, ctx);
2372 f9c2e8e5 2022-02-13 thomas if (err)
2373 f9c2e8e5 2022-02-13 thomas goto done;
2374 9249e7e3 2022-05-12 thomas *packfile_size += m->delta_compressed_len;
2377 f9c2e8e5 2022-02-13 thomas if (raw)
2378 f9c2e8e5 2022-02-13 thomas got_object_raw_close(raw);
2379 f9c2e8e5 2022-02-13 thomas return err;
2382 f9c2e8e5 2022-02-13 thomas static const struct got_error *
2383 20a7d452 2022-10-16 thomas genpack(uint8_t *pack_sha1, int packfd, FILE *delta_cache,
2384 f9c2e8e5 2022-02-13 thomas struct got_pack_meta **deltify, int ndeltify,
2385 f9c2e8e5 2022-02-13 thomas struct got_pack_meta **reuse, int nreuse,
2386 85220b0e 2022-03-22 thomas int ncolored, int nfound, int ntrees, int nours,
2387 85220b0e 2022-03-22 thomas struct got_repository *repo,
2388 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
2389 31ba2236 2022-01-05 thomas struct got_ratelimit *rl,
2390 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
2392 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
2394 e6bcace5 2021-06-22 stsp SHA1_CTX ctx;
2395 e6bcace5 2021-06-22 stsp struct got_pack_meta *m;
2396 e4d8ab47 2021-10-15 thomas char buf[32];
2397 20a7d452 2022-10-16 thomas ssize_t w;
2398 f9c2e8e5 2022-02-13 thomas off_t packfile_size = 0;
2399 ecf9545f 2021-10-15 thomas int outfd = -1;
2400 d93dda9a 2022-05-12 thomas int delta_cache_fd = -1;
2401 d93dda9a 2022-05-12 thomas uint8_t *delta_cache_map = NULL;
2402 d93dda9a 2022-05-12 thomas size_t delta_cache_size = 0;
2404 e6bcace5 2021-06-22 stsp SHA1Init(&ctx);
2406 d93dda9a 2022-05-12 thomas #ifndef GOT_PACK_NO_MMAP
2407 d93dda9a 2022-05-12 thomas delta_cache_fd = dup(fileno(delta_cache));
2408 d93dda9a 2022-05-12 thomas if (delta_cache_fd != -1) {
2409 d93dda9a 2022-05-12 thomas struct stat sb;
2410 d93dda9a 2022-05-12 thomas if (fstat(delta_cache_fd, &sb) == -1) {
2411 d93dda9a 2022-05-12 thomas err = got_error_from_errno("fstat");
2412 d93dda9a 2022-05-12 thomas goto done;
2414 d93dda9a 2022-05-12 thomas if (sb.st_size > 0 && sb.st_size <= SIZE_MAX) {
2415 d93dda9a 2022-05-12 thomas delta_cache_map = mmap(NULL, sb.st_size,
2416 d93dda9a 2022-05-12 thomas PROT_READ, MAP_PRIVATE, delta_cache_fd, 0);
2417 d93dda9a 2022-05-12 thomas if (delta_cache_map == MAP_FAILED) {
2418 d93dda9a 2022-05-12 thomas if (errno != ENOMEM) {
2419 d93dda9a 2022-05-12 thomas err = got_error_from_errno("mmap");
2420 d93dda9a 2022-05-12 thomas goto done;
2422 d93dda9a 2022-05-12 thomas delta_cache_map = NULL; /* fallback on stdio */
2424 d93dda9a 2022-05-12 thomas delta_cache_size = (size_t)sb.st_size;
2428 20a7d452 2022-10-16 thomas err = hwrite(packfd, "PACK", 4, &ctx);
2430 d93dda9a 2022-05-12 thomas goto done;
2431 e6bcace5 2021-06-22 stsp putbe32(buf, GOT_PACKFILE_VERSION);
2432 20a7d452 2022-10-16 thomas err = hwrite(packfd, buf, 4, &ctx);
2434 e6bcace5 2021-06-22 stsp goto done;
2435 f9c2e8e5 2022-02-13 thomas putbe32(buf, ndeltify + nreuse);
2436 20a7d452 2022-10-16 thomas err = hwrite(packfd, buf, 4, &ctx);
2438 e6bcace5 2021-06-22 stsp goto done;
2440 f9c2e8e5 2022-02-13 thomas qsort(deltify, ndeltify, sizeof(struct got_pack_meta *),
2441 f9c2e8e5 2022-02-13 thomas write_order_cmp);
2442 f9c2e8e5 2022-02-13 thomas for (i = 0; i < ndeltify; i++) {
2443 31ba2236 2022-01-05 thomas err = report_progress(progress_cb, progress_arg, rl,
2444 85220b0e 2022-03-22 thomas ncolored, nfound, ntrees, packfile_size, nours,
2445 85220b0e 2022-03-22 thomas ndeltify + nreuse, ndeltify + nreuse, i);
2446 31ba2236 2022-01-05 thomas if (err)
2447 31ba2236 2022-01-05 thomas goto done;
2448 f9c2e8e5 2022-02-13 thomas m = deltify[i];
2449 20a7d452 2022-10-16 thomas err = write_packed_object(&packfile_size, packfd,
2450 d93dda9a 2022-05-12 thomas delta_cache, delta_cache_map, delta_cache_size,
2451 d93dda9a 2022-05-12 thomas m, &outfd, &ctx, repo);
2452 f9c2e8e5 2022-02-13 thomas if (err)
2453 f9c2e8e5 2022-02-13 thomas goto done;
2456 f9c2e8e5 2022-02-13 thomas qsort(reuse, nreuse, sizeof(struct got_pack_meta *),
2457 f9c2e8e5 2022-02-13 thomas reuse_write_order_cmp);
2458 f9c2e8e5 2022-02-13 thomas for (i = 0; i < nreuse; i++) {
2459 f9c2e8e5 2022-02-13 thomas err = report_progress(progress_cb, progress_arg, rl,
2460 85220b0e 2022-03-22 thomas ncolored, nfound, ntrees, packfile_size, nours,
2461 85220b0e 2022-03-22 thomas ndeltify + nreuse, ndeltify + nreuse, ndeltify + i);
2462 f9c2e8e5 2022-02-13 thomas if (err)
2463 f9c2e8e5 2022-02-13 thomas goto done;
2464 f9c2e8e5 2022-02-13 thomas m = reuse[i];
2465 20a7d452 2022-10-16 thomas err = write_packed_object(&packfile_size, packfd,
2466 d93dda9a 2022-05-12 thomas delta_cache, delta_cache_map, delta_cache_size,
2467 d93dda9a 2022-05-12 thomas m, &outfd, &ctx, repo);
2468 f9c2e8e5 2022-02-13 thomas if (err)
2469 f9c2e8e5 2022-02-13 thomas goto done;
2472 e6bcace5 2021-06-22 stsp SHA1Final(pack_sha1, &ctx);
2473 20a7d452 2022-10-16 thomas w = write(packfd, pack_sha1, SHA1_DIGEST_LENGTH);
2474 20a7d452 2022-10-16 thomas if (w == -1)
2475 20a7d452 2022-10-16 thomas err = got_error_from_errno("write");
2476 20a7d452 2022-10-16 thomas else if (w != SHA1_DIGEST_LENGTH)
2477 20a7d452 2022-10-16 thomas err = got_error(GOT_ERR_IO);
2478 20a7d452 2022-10-16 thomas if (err)
2479 20a7d452 2022-10-16 thomas goto done;
2480 05118f5a 2021-06-22 stsp packfile_size += SHA1_DIGEST_LENGTH;
2481 dc7edd42 2021-08-22 stsp packfile_size += sizeof(struct got_packfile_hdr);
2482 31ba2236 2022-01-05 thomas if (progress_cb) {
2483 85220b0e 2022-03-22 thomas err = progress_cb(progress_arg, ncolored, nfound, ntrees,
2484 85220b0e 2022-03-22 thomas packfile_size, nours, ndeltify + nreuse,
2485 85220b0e 2022-03-22 thomas ndeltify + nreuse, ndeltify + nreuse);
2486 31ba2236 2022-01-05 thomas if (err)
2487 31ba2236 2022-01-05 thomas goto done;
2490 ecf9545f 2021-10-15 thomas if (outfd != -1 && close(outfd) == -1 && err == NULL)
2491 ecf9545f 2021-10-15 thomas err = got_error_from_errno("close");
2492 d93dda9a 2022-05-12 thomas if (delta_cache_map && munmap(delta_cache_map, delta_cache_size) == -1)
2493 d93dda9a 2022-05-12 thomas err = got_error_from_errno("munmap");
2494 d93dda9a 2022-05-12 thomas if (delta_cache_fd != -1 && close(delta_cache_fd) == -1 && err == NULL)
2495 d93dda9a 2022-05-12 thomas err = got_error_from_errno("close");
2496 e6bcace5 2021-06-22 stsp return err;
2499 f9c2e8e5 2022-02-13 thomas static const struct got_error *
2500 f9c2e8e5 2022-02-13 thomas add_meta_idset_cb(struct got_object_id *id, void *data, void *arg)
2502 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m = data;
2503 f9c2e8e5 2022-02-13 thomas struct got_pack_metavec *v = arg;
2505 6c0788af 2022-05-31 thomas if (m->reused_delta_offset != 0)
2506 f291ef1f 2022-05-12 thomas return NULL;
2508 f9c2e8e5 2022-02-13 thomas return add_meta(m, v);
2511 e6bcace5 2021-06-22 stsp const struct got_error *
2512 05fa7118 2022-10-16 thomas got_pack_create(uint8_t *packsha1, int packfd, FILE *delta_cache,
2513 e6bcace5 2021-06-22 stsp struct got_object_id **theirs, int ntheirs,
2514 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours,
2515 f8a36e22 2021-08-26 stsp struct got_repository *repo, int loose_obj_only, int allow_empty,
2516 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
2517 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
2519 e6bcace5 2021-06-22 stsp const struct got_error *err;
2520 f9c2e8e5 2022-02-13 thomas int delta_cache_fd = -1;
2521 f9c2e8e5 2022-02-13 thomas struct got_object_idset *idset;
2522 31ba2236 2022-01-05 thomas struct got_ratelimit rl;
2523 f9c2e8e5 2022-02-13 thomas struct got_pack_metavec deltify, reuse;
2524 85220b0e 2022-03-22 thomas int ncolored = 0, nfound = 0, ntrees = 0;
2525 f291ef1f 2022-05-12 thomas size_t ndeltify;
2526 cc524d36 2022-05-31 thomas uint32_t seed;
2528 cc524d36 2022-05-31 thomas seed = arc4random();
2530 f9c2e8e5 2022-02-13 thomas memset(&deltify, 0, sizeof(deltify));
2531 f9c2e8e5 2022-02-13 thomas memset(&reuse, 0, sizeof(reuse));
2533 31ba2236 2022-01-05 thomas got_ratelimit_init(&rl, 0, 500);
2535 f9c2e8e5 2022-02-13 thomas idset = got_object_idset_alloc();
2536 f9c2e8e5 2022-02-13 thomas if (idset == NULL)
2537 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("got_object_idset_alloc");
2539 85220b0e 2022-03-22 thomas err = load_object_ids(&ncolored, &nfound, &ntrees, idset, theirs,
2540 cc524d36 2022-05-31 thomas ntheirs, ours, nours, repo, seed, loose_obj_only,
2541 85220b0e 2022-03-22 thomas progress_cb, progress_arg, &rl, cancel_cb, cancel_arg);
2543 20c6bdb6 2022-05-19 thomas goto done;
2545 f9a643e8 2022-02-13 thomas if (progress_cb) {
2546 85220b0e 2022-03-22 thomas err = progress_cb(progress_arg, ncolored, nfound, ntrees,
2547 85220b0e 2022-03-22 thomas 0L, nours, got_object_idset_num_elements(idset), 0, 0);
2548 f9a643e8 2022-02-13 thomas if (err)
2549 f9a643e8 2022-02-13 thomas goto done;
2552 f9c2e8e5 2022-02-13 thomas if (got_object_idset_num_elements(idset) == 0 && !allow_empty) {
2553 05118f5a 2021-06-22 stsp err = got_error(GOT_ERR_CANNOT_PACK);
2554 05118f5a 2021-06-22 stsp goto done;
2557 05fa7118 2022-10-16 thomas delta_cache_fd = dup(fileno(delta_cache));
2558 f9c2e8e5 2022-02-13 thomas if (delta_cache_fd == -1) {
2559 05fa7118 2022-10-16 thomas err = got_error_from_errno("dup");
2560 b79280dd 2021-10-15 thomas goto done;
2563 f9c2e8e5 2022-02-13 thomas reuse.metasz = 64;
2564 f9c2e8e5 2022-02-13 thomas reuse.meta = calloc(reuse.metasz,
2565 f9c2e8e5 2022-02-13 thomas sizeof(struct got_pack_meta *));
2566 f9c2e8e5 2022-02-13 thomas if (reuse.meta == NULL) {
2567 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("calloc");
2568 f9c2e8e5 2022-02-13 thomas goto done;
2571 85220b0e 2022-03-22 thomas err = search_deltas(&reuse, idset, delta_cache_fd, ncolored, nfound,
2572 85220b0e 2022-03-22 thomas ntrees, nours, repo, progress_cb, progress_arg, &rl,
2573 85220b0e 2022-03-22 thomas cancel_cb, cancel_arg);
2574 f9c2e8e5 2022-02-13 thomas if (err)
2575 f9c2e8e5 2022-02-13 thomas goto done;
2577 f9c2e8e5 2022-02-13 thomas if (fseeko(delta_cache, 0L, SEEK_END) == -1) {
2578 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fseeko");
2579 f9c2e8e5 2022-02-13 thomas goto done;
2582 f291ef1f 2022-05-12 thomas ndeltify = got_object_idset_num_elements(idset) - reuse.nmeta;
2583 f291ef1f 2022-05-12 thomas if (ndeltify > 0) {
2584 f291ef1f 2022-05-12 thomas deltify.meta = calloc(ndeltify, sizeof(struct got_pack_meta *));
2585 f291ef1f 2022-05-12 thomas if (deltify.meta == NULL) {
2586 f291ef1f 2022-05-12 thomas err = got_error_from_errno("calloc");
2587 f291ef1f 2022-05-12 thomas goto done;
2589 f291ef1f 2022-05-12 thomas deltify.metasz = ndeltify;
2591 f291ef1f 2022-05-12 thomas err = got_object_idset_for_each(idset, add_meta_idset_cb,
2592 f291ef1f 2022-05-12 thomas &deltify);
2594 f8a36e22 2021-08-26 stsp goto done;
2595 f291ef1f 2022-05-12 thomas if (deltify.nmeta > 0) {
2596 f291ef1f 2022-05-12 thomas err = pick_deltas(deltify.meta, deltify.nmeta,
2597 f291ef1f 2022-05-12 thomas ncolored, nfound, ntrees, nours, reuse.nmeta,
2598 f291ef1f 2022-05-12 thomas delta_cache, repo, progress_cb, progress_arg, &rl,
2599 f291ef1f 2022-05-12 thomas cancel_cb, cancel_arg);
2600 f291ef1f 2022-05-12 thomas if (err)
2601 f291ef1f 2022-05-12 thomas goto done;
2605 9249e7e3 2022-05-12 thomas if (fflush(delta_cache) == EOF) {
2606 9249e7e3 2022-05-12 thomas err = got_error_from_errno("fflush");
2607 9249e7e3 2022-05-12 thomas goto done;
2609 20a7d452 2022-10-16 thomas err = genpack(packsha1, packfd, delta_cache, deltify.meta,
2610 85220b0e 2022-03-22 thomas deltify.nmeta, reuse.meta, reuse.nmeta, ncolored, nfound, ntrees,
2611 85220b0e 2022-03-22 thomas nours, repo, progress_cb, progress_arg, &rl,
2612 85220b0e 2022-03-22 thomas cancel_cb, cancel_arg);
2614 e6bcace5 2021-06-22 stsp goto done;
2616 f9c2e8e5 2022-02-13 thomas free_nmeta(deltify.meta, deltify.nmeta);
2617 f9c2e8e5 2022-02-13 thomas free_nmeta(reuse.meta, reuse.nmeta);
2618 f9c2e8e5 2022-02-13 thomas got_object_idset_free(idset);
2619 f9c2e8e5 2022-02-13 thomas if (delta_cache_fd != -1 && close(delta_cache_fd) == -1 && err == NULL)
2620 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("close");
2621 e6bcace5 2021-06-22 stsp return err;
