2 86c3caaf 2018-03-09 stsp * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
4 86c3caaf 2018-03-09 stsp * Permission to use, copy, modify, and distribute this software for any
5 86c3caaf 2018-03-09 stsp * purpose with or without fee is hereby granted, provided that the above
6 86c3caaf 2018-03-09 stsp * copyright notice and this permission notice appear in all copies.
8 86c3caaf 2018-03-09 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 86c3caaf 2018-03-09 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 86c3caaf 2018-03-09 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 86c3caaf 2018-03-09 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 86c3caaf 2018-03-09 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 86c3caaf 2018-03-09 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 86c3caaf 2018-03-09 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 86c3caaf 2018-03-09 stsp #include <sys/param.h>
18 86c3caaf 2018-03-09 stsp #include <sys/queue.h>
19 86c3caaf 2018-03-09 stsp #include <sys/limits.h>
20 0da17012 2018-03-09 stsp #include <sys/stat.h>
22 86c3caaf 2018-03-09 stsp #include <stdarg.h>
23 86c3caaf 2018-03-09 stsp #include <stdio.h>
24 86c3caaf 2018-03-09 stsp #include <stdlib.h>
25 86c3caaf 2018-03-09 stsp #include <string.h>
26 86c3caaf 2018-03-09 stsp #include <unistd.h>
27 0da17012 2018-03-09 stsp #include <errno.h>
28 3962e86a 2018-03-11 stsp #include <util.h>
30 86c3caaf 2018-03-09 stsp #include "got_error.h"
31 86c3caaf 2018-03-09 stsp #include "got_object.h"
32 86c3caaf 2018-03-09 stsp #include "got_refs.h"
33 86c3caaf 2018-03-09 stsp #include "got_repository.h"
34 86c3caaf 2018-03-09 stsp #include "got_worktree.h"
36 86c3caaf 2018-03-09 stsp #include "got_worktree_priv.h"
37 0da17012 2018-03-09 stsp #include "got_path_priv.h"
39 86c3caaf 2018-03-09 stsp #define GOT_REPO_PATH "../../../"
41 86c3caaf 2018-03-09 stsp static int verbose;
44 86c3caaf 2018-03-09 stsp test_printf(char *fmt, ...)
48 86c3caaf 2018-03-09 stsp if (!verbose)
51 86c3caaf 2018-03-09 stsp va_start(ap, fmt);
52 86c3caaf 2018-03-09 stsp vprintf(fmt, ap);
57 91c986ef 2018-03-09 stsp remove_got_dir(const char *worktree_path)
61 91c986ef 2018-03-09 stsp if (asprintf(&path, "%s/%s", worktree_path, GOT_WORKTREE_GOT_DIR) == -1)
63 91c986ef 2018-03-09 stsp rmdir(path);
69 91c986ef 2018-03-09 stsp remove_meta_file(const char *worktree_path, const char *name)
73 91c986ef 2018-03-09 stsp if (asprintf(&path, "%s/%s/%s", worktree_path, GOT_WORKTREE_GOT_DIR,
74 91c986ef 2018-03-09 stsp name) == -1)
76 91c986ef 2018-03-09 stsp unlink(path);
82 b18d25df 2018-03-11 stsp remove_worktree(const char *worktree_path)
84 fdf001a7 2018-03-11 stsp if (!remove_meta_file(worktree_path, GOT_WORKTREE_HEAD))
86 45d8e5fd 2018-03-11 stsp if (!remove_meta_file(worktree_path, GOT_WORKTREE_FILE_INDEX))
88 45d8e5fd 2018-03-11 stsp if (!remove_meta_file(worktree_path, GOT_WORKTREE_REPOSITORY))
90 45d8e5fd 2018-03-11 stsp if (!remove_meta_file(worktree_path, GOT_WORKTREE_PATH_PREFIX))
92 e350ead3 2018-03-11 stsp if (!remove_meta_file(worktree_path, GOT_WORKTREE_BASE_COMMIT))
94 45d8e5fd 2018-03-11 stsp if (!remove_meta_file(worktree_path, GOT_WORKTREE_LOCK))
96 45d8e5fd 2018-03-11 stsp if (!remove_meta_file(worktree_path, GOT_WORKTREE_FORMAT))
98 45d8e5fd 2018-03-11 stsp if (!remove_got_dir(worktree_path))
100 45d8e5fd 2018-03-11 stsp if (rmdir(worktree_path) == -1)
106 3962e86a 2018-03-11 stsp read_meta_file(char **content, const char *path)
110 3962e86a 2018-03-11 stsp size_t len;
111 3962e86a 2018-03-11 stsp const char delim[3] = {'\0', '\0', '\0'};
112 3962e86a 2018-03-11 stsp int ret = 0;
114 3962e86a 2018-03-11 stsp f = fopen(path, "r");
115 3962e86a 2018-03-11 stsp if (f == NULL)
116 3962e86a 2018-03-11 stsp return errno;
118 3962e86a 2018-03-11 stsp *content = fparseln(f, &len, NULL, delim, 0);
119 3962e86a 2018-03-11 stsp if (*content == NULL)
120 3962e86a 2018-03-11 stsp ret = errno;
122 3962e86a 2018-03-11 stsp return ret;
126 86c3caaf 2018-03-09 stsp check_meta_file_exists(const char *worktree_path, const char *name)
128 07a7f8ad 2018-03-11 stsp struct stat sb;
129 86c3caaf 2018-03-09 stsp char *path;
130 5de261fe 2018-03-11 stsp int ret = 0;
132 86c3caaf 2018-03-09 stsp if (asprintf(&path, "%s/%s/%s", worktree_path, GOT_WORKTREE_GOT_DIR,
133 86c3caaf 2018-03-09 stsp name) == -1)
135 5de261fe 2018-03-11 stsp if (stat(path, &sb) == 0)
137 3962e86a 2018-03-11 stsp if (verbose) {
138 3962e86a 2018-03-11 stsp char *content;
139 3962e86a 2018-03-11 stsp if (read_meta_file(&content, path) == 0) {
140 3962e86a 2018-03-11 stsp test_printf("%s:\t%s\n", name, content);
141 3962e86a 2018-03-11 stsp free(content);
144 5de261fe 2018-03-11 stsp free(path);
145 5de261fe 2018-03-11 stsp return ret;
149 86c3caaf 2018-03-09 stsp worktree_init(const char *repo_path)
151 86c3caaf 2018-03-09 stsp const struct got_error *err;
152 86c3caaf 2018-03-09 stsp struct got_repository *repo = NULL;
153 86c3caaf 2018-03-09 stsp struct got_reference *head_ref = NULL;
154 86c3caaf 2018-03-09 stsp char worktree_path[PATH_MAX];
155 86c3caaf 2018-03-09 stsp int ok = 0;
157 86c3caaf 2018-03-09 stsp err = got_repo_open(&repo, repo_path);
158 86c3caaf 2018-03-09 stsp if (err != NULL || repo == NULL)
160 86c3caaf 2018-03-09 stsp err = got_ref_open(&head_ref, repo, GOT_REF_HEAD);
161 86c3caaf 2018-03-09 stsp if (err != NULL || head_ref == NULL)
164 86c3caaf 2018-03-09 stsp strlcpy(worktree_path, "worktree-XXXXXX", sizeof(worktree_path));
165 86c3caaf 2018-03-09 stsp if (mkdtemp(worktree_path) == NULL)
168 577ec78f 2018-03-11 stsp err = got_worktree_init(worktree_path, head_ref, "/", repo);
169 86c3caaf 2018-03-09 stsp if (err != NULL)
172 86c3caaf 2018-03-09 stsp /* Ensure required files were created. */
173 fdf001a7 2018-03-11 stsp if (!check_meta_file_exists(worktree_path, GOT_WORKTREE_HEAD))
175 056e7441 2018-03-11 stsp if (!check_meta_file_exists(worktree_path, GOT_WORKTREE_LOCK))
177 e350ead3 2018-03-11 stsp if (!check_meta_file_exists(worktree_path, GOT_WORKTREE_BASE_COMMIT))
179 86c3caaf 2018-03-09 stsp if (!check_meta_file_exists(worktree_path, GOT_WORKTREE_FILE_INDEX))
181 86c3caaf 2018-03-09 stsp if (!check_meta_file_exists(worktree_path, GOT_WORKTREE_REPOSITORY))
183 577ec78f 2018-03-11 stsp if (!check_meta_file_exists(worktree_path, GOT_WORKTREE_PATH_PREFIX))
185 1451e70d 2018-03-10 stsp if (!check_meta_file_exists(worktree_path, GOT_WORKTREE_FORMAT))
188 45d8e5fd 2018-03-11 stsp if (!remove_worktree(worktree_path))
192 86c3caaf 2018-03-09 stsp if (head_ref)
193 86c3caaf 2018-03-09 stsp got_ref_close(head_ref);
195 86c3caaf 2018-03-09 stsp got_repo_close(repo);
200 0da17012 2018-03-09 stsp obstruct_meta_file(char **path, const char *worktree_path, const char *name)
203 0da17012 2018-03-09 stsp char *s = "This file should not be here\n";
204 6b7476e9 2018-03-11 stsp int ret = 1;
206 0da17012 2018-03-09 stsp if (asprintf(path, "%s/%s/%s", worktree_path, GOT_WORKTREE_GOT_DIR,
207 0da17012 2018-03-09 stsp name) == -1)
209 0da17012 2018-03-09 stsp f = fopen(*path, "w+");
210 0da17012 2018-03-09 stsp if (f == NULL) {
211 0da17012 2018-03-09 stsp free(*path);
214 0da17012 2018-03-09 stsp if (fwrite(s, 1, strlen(s), f) != strlen(s)) {
215 0da17012 2018-03-09 stsp free(*path);
219 6b7476e9 2018-03-11 stsp return ret;
223 8eac252b 2018-03-11 stsp obstruct_meta_file_and_init(int *ok, struct got_repository *repo,
224 8eac252b 2018-03-11 stsp const char *worktree_path, char *name)
226 8eac252b 2018-03-11 stsp const struct got_error *err;
227 8eac252b 2018-03-11 stsp char *path;
228 8eac252b 2018-03-11 stsp int ret = 0;
229 8eac252b 2018-03-11 stsp struct got_reference *head_ref = NULL;
231 8eac252b 2018-03-11 stsp if (!obstruct_meta_file(&path, worktree_path, GOT_WORKTREE_FILE_INDEX))
234 8eac252b 2018-03-11 stsp err = got_ref_open(&head_ref, repo, GOT_REF_HEAD);
235 8eac252b 2018-03-11 stsp if (err != NULL || head_ref == NULL)
238 8eac252b 2018-03-11 stsp err = got_worktree_init(worktree_path, head_ref, "/", repo);
239 8eac252b 2018-03-11 stsp if (err != NULL && err->code == GOT_ERR_ERRNO && errno == EEXIST) {
243 8eac252b 2018-03-11 stsp unlink(path);
244 8eac252b 2018-03-11 stsp free(path);
245 8eac252b 2018-03-11 stsp got_ref_close(head_ref);
246 8eac252b 2018-03-11 stsp return ret;
250 0da17012 2018-03-09 stsp worktree_init_exists(const char *repo_path)
252 0da17012 2018-03-09 stsp const struct got_error *err;
253 0da17012 2018-03-09 stsp struct got_repository *repo = NULL;
254 0da17012 2018-03-09 stsp char worktree_path[PATH_MAX];
255 91c986ef 2018-03-09 stsp char *gotpath = NULL;
256 0da17012 2018-03-09 stsp char *path;
257 0da17012 2018-03-09 stsp int ok = 0;
260 0da17012 2018-03-09 stsp err = got_repo_open(&repo, repo_path);
261 0da17012 2018-03-09 stsp if (err != NULL || repo == NULL)
263 0da17012 2018-03-09 stsp strlcpy(worktree_path, "worktree-XXXXXX", sizeof(worktree_path));
264 0da17012 2018-03-09 stsp if (mkdtemp(worktree_path) == NULL)
266 91c986ef 2018-03-09 stsp if (mkdir(worktree_path, GOT_DEFAULT_DIR_MODE) == -1 && errno != EEXIST)
269 0da17012 2018-03-09 stsp if (asprintf(&gotpath, "%s/%s", worktree_path, GOT_WORKTREE_GOT_DIR)
272 0da17012 2018-03-09 stsp if (mkdir(gotpath, GOT_DEFAULT_DIR_MODE) == -1 && errno != EEXIST)
275 0da17012 2018-03-09 stsp /* Create files which got_worktree_init() will try to create as well. */
276 8eac252b 2018-03-11 stsp if (!obstruct_meta_file_and_init(&ok, repo, worktree_path,
277 fdf001a7 2018-03-11 stsp GOT_WORKTREE_HEAD))
279 8eac252b 2018-03-11 stsp if (!obstruct_meta_file_and_init(&ok, repo, worktree_path,
280 8eac252b 2018-03-11 stsp GOT_WORKTREE_LOCK))
282 8eac252b 2018-03-11 stsp if (!obstruct_meta_file_and_init(&ok, repo, worktree_path,
283 e350ead3 2018-03-11 stsp GOT_WORKTREE_BASE_COMMIT))
285 e350ead3 2018-03-11 stsp if (!obstruct_meta_file_and_init(&ok, repo, worktree_path,
286 8eac252b 2018-03-11 stsp GOT_WORKTREE_FILE_INDEX))
288 8eac252b 2018-03-11 stsp if (!obstruct_meta_file_and_init(&ok, repo, worktree_path,
289 8eac252b 2018-03-11 stsp GOT_WORKTREE_REPOSITORY))
291 8eac252b 2018-03-11 stsp if (!obstruct_meta_file_and_init(&ok, repo, worktree_path,
292 8eac252b 2018-03-11 stsp GOT_WORKTREE_PATH_PREFIX))
294 8eac252b 2018-03-11 stsp if (!obstruct_meta_file_and_init(&ok, repo, worktree_path,
295 8eac252b 2018-03-11 stsp GOT_WORKTREE_FORMAT))
300 0da17012 2018-03-09 stsp got_repo_close(repo);
301 91c986ef 2018-03-09 stsp free(gotpath);
302 e350ead3 2018-03-11 stsp if (ok == 7)
303 b18d25df 2018-03-11 stsp remove_worktree(worktree_path);
304 e350ead3 2018-03-11 stsp return (ok == 7);
307 86c3caaf 2018-03-09 stsp #define RUN_TEST(expr, name) \
308 86c3caaf 2018-03-09 stsp { test_ok = (expr); \
309 86c3caaf 2018-03-09 stsp printf("test %s %s\n", (name), test_ok ? "ok" : "failed"); \
310 86c3caaf 2018-03-09 stsp failure = (failure || !test_ok); }
314 86c3caaf 2018-03-09 stsp usage(void)
316 86c3caaf 2018-03-09 stsp fprintf(stderr, "usage: worktree_test [-v] [REPO_PATH]\n");
320 86c3caaf 2018-03-09 stsp main(int argc, char *argv[])
322 86c3caaf 2018-03-09 stsp int test_ok = 0, failure = 0;
323 86c3caaf 2018-03-09 stsp const char *repo_path;
325 86c3caaf 2018-03-09 stsp int vflag = 0;
327 86c3caaf 2018-03-09 stsp while ((ch = getopt(argc, argv, "v")) != -1) {
328 86c3caaf 2018-03-09 stsp switch (ch) {
330 86c3caaf 2018-03-09 stsp verbose = 1;
337 86c3caaf 2018-03-09 stsp argc -= optind;
338 86c3caaf 2018-03-09 stsp argv += optind;
340 86c3caaf 2018-03-09 stsp if (argc == 0)
341 86c3caaf 2018-03-09 stsp repo_path = GOT_REPO_PATH;
342 86c3caaf 2018-03-09 stsp else if (argc == 1)
343 86c3caaf 2018-03-09 stsp repo_path = argv[0];
349 86c3caaf 2018-03-09 stsp RUN_TEST(worktree_init(repo_path), "init");
350 0da17012 2018-03-09 stsp RUN_TEST(worktree_init_exists(repo_path), "init exists");
352 86c3caaf 2018-03-09 stsp return failure ? 1 : 0;