1 /*
2  * Copyright (c) 2017 Stefan Sperling <stsp@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include <sys/queue.h>
18 
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <sha1.h>
22 
23 #include "got_error.h"
24 #include "got_object.h"
25 #include "got_refs.h"
26 #include "got_repository.h"
27 
28 #define RUN_TEST(expr, name) \
29 	if (!(expr)) { printf("test %s failed", (name)); failure = 1; }
30 
31 #define GOT_REPO_PATH "../../../"
32 
33 static const struct got_error *
34 print_commit_object(struct got_object *, struct got_repository *);
35 
36 static const struct got_error *
37 print_parent_commits(struct got_commit_object *commit,
38     struct got_repository *repo)
39 {
40 	struct got_parent_id *pid;
41 	const struct got_error *err;
42 	struct got_object *obj;
43 
44 	SIMPLEQ_FOREACH(pid, &commit->parent_ids, entry) {
45 		err = got_object_open(&obj, repo, &pid->id);
46 		if (err != NULL)
47 			return err;
48 		if (obj->type != GOT_OBJ_TYPE_COMMIT)
49 			return got_error(GOT_ERR_OBJ_TYPE);
50 		print_commit_object(obj, repo);
51 		got_object_close(obj);
52 	}
53 
54 	return NULL;
55 }
56 
57 static const struct got_error *
58 print_commit_object(struct got_object *obj, struct got_repository *repo)
59 {
60 	struct got_commit_object *commit;
61 	struct got_parent_id *pid;
62 	char buf[SHA1_DIGEST_STRING_LENGTH];
63 	const struct got_error *err;
64 
65 	err = got_object_commit_open(&commit, repo, obj);
66 	if (err != NULL)
67 		return err;
68 
69 	printf("tree: %s\n",
70 	    got_object_id_str(&commit->tree_id, buf, sizeof(buf)));
71 	printf("parent%s: ", (commit->nparents == 1) ? "" : "s");
72 	SIMPLEQ_FOREACH(pid, &commit->parent_ids, entry) {
73 		printf("%s\n",
74 		    got_object_id_str(&pid->id, buf, sizeof(buf)));
75 	}
76 	printf("author: %s\n", commit->author);
77 	printf("committer: %s\n", commit->committer);
78 	printf("log: %s\n", commit->logmsg);
79 
80 	err = print_parent_commits(commit, repo);
81 	got_object_commit_close(commit);
82 
83 	return err;
84 }
85 
86 static int
87 repo_read_log(const char *repo_path)
88 {
89 	const struct got_error *err;
90 	struct got_repository *repo;
91 	struct got_reference *head_ref;
92 	struct got_object_id *id;
93 	struct got_object *obj;
94 	char buf[SHA1_DIGEST_STRING_LENGTH];
95 	int ret;
96 
97 	err = got_repo_open(&repo, repo_path);
98 	if (err != NULL || repo == NULL)
99 		return 0;
100 	err = got_ref_open(&head_ref, repo, GOT_REF_HEAD);
101 	if (err != NULL || head_ref == NULL)
102 		return 0;
103 	err = got_ref_resolve(&id, repo, head_ref);
104 	if (err != NULL || head_ref == NULL)
105 		return 0;
106 	printf("HEAD is at %s\n", got_object_id_str(id, buf, sizeof(buf)));
107 	err = got_object_open(&obj, repo, id);
108 	if (err != NULL || obj == NULL)
109 		return 0;
110 	printf("object type=%d size=%lu\n", obj->type, obj->size);
111 	if (obj->type == GOT_OBJ_TYPE_COMMIT)
112 		print_commit_object(obj, repo);
113 	got_object_close(obj);
114 	free(id);
115 	got_ref_close(head_ref);
116 	got_repo_close(repo);
117 	return 1;
118 }
119 
120 int
121 main(int argc, const char *argv[])
122 {
123 	int failure = 0;
124 	const char *repo_path;
125 
126 	if (argc == 1)
127 		repo_path = GOT_REPO_PATH;
128 	else if (argc == 2)
129 		repo_path = argv[1];
130 	else {
131 		fprintf(stderr, "usage: repository_test [REPO_PATH]\n");
132 		return 1;
133 	}
134 
135 	RUN_TEST(repo_read_log(repo_path), "read_log");
136 
137 	return failure ? 1 : 0;
138 }