Merge branch 'sb/diff-emit-line-ws-markup-cleanup'
[git] / t / helper / test-revision-walking.c
1 /*
2  * test-revision-walking.c: test revision walking API.
3  *
4  * (C) 2012 Heiko Voigt <hvoigt@hvoigt.net>
5  *
6  * This code is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10
11 #include "test-tool.h"
12 #include "cache.h"
13 #include "commit.h"
14 #include "diff.h"
15 #include "revision.h"
16
17 static void print_commit(struct commit *commit)
18 {
19         struct strbuf sb = STRBUF_INIT;
20         struct pretty_print_context ctx = {0};
21         ctx.date_mode.type = DATE_NORMAL;
22         format_commit_message(commit, " %m %s", &sb, &ctx);
23         printf("%s\n", sb.buf);
24         strbuf_release(&sb);
25 }
26
27 static int run_revision_walk(void)
28 {
29         struct rev_info rev;
30         struct commit *commit;
31         const char *argv[] = {NULL, "--all", NULL};
32         int argc = ARRAY_SIZE(argv) - 1;
33         int got_revision = 0;
34
35         repo_init_revisions(the_repository, &rev, NULL);
36         setup_revisions(argc, argv, &rev, NULL);
37         if (prepare_revision_walk(&rev))
38                 die("revision walk setup failed");
39
40         while ((commit = get_revision(&rev)) != NULL) {
41                 print_commit(commit);
42                 got_revision = 1;
43         }
44
45         reset_revision_walk();
46         return got_revision;
47 }
48
49 int cmd__revision_walking(int argc, const char **argv)
50 {
51         if (argc < 2)
52                 return 1;
53
54         setup_git_directory();
55
56         if (!strcmp(argv[1], "run-twice")) {
57                 printf("1st\n");
58                 if (!run_revision_walk())
59                         return 1;
60                 printf("2nd\n");
61                 if (!run_revision_walk())
62                         return 1;
63
64                 return 0;
65         }
66
67         fprintf(stderr, "check usage\n");
68         return 1;
69 }