Merge branch 'da/difftool'
[git] / builtin / verify-pack.c
1 #include "builtin.h"
2 #include "cache.h"
3 #include "run-command.h"
4 #include "parse-options.h"
5
6 #define VERIFY_PACK_VERBOSE 01
7 #define VERIFY_PACK_STAT_ONLY 02
8
9 static int verify_one_pack(const char *path, unsigned int flags)
10 {
11         struct child_process index_pack = CHILD_PROCESS_INIT;
12         const char *argv[] = {"index-pack", NULL, NULL, NULL };
13         struct strbuf arg = STRBUF_INIT;
14         int verbose = flags & VERIFY_PACK_VERBOSE;
15         int stat_only = flags & VERIFY_PACK_STAT_ONLY;
16         int err;
17
18         if (stat_only)
19                 argv[1] = "--verify-stat-only";
20         else if (verbose)
21                 argv[1] = "--verify-stat";
22         else
23                 argv[1] = "--verify";
24
25         /*
26          * In addition to "foo.pack" we accept "foo.idx" and "foo";
27          * normalize these forms to "foo.pack" for "index-pack --verify".
28          */
29         strbuf_addstr(&arg, path);
30         if (strbuf_strip_suffix(&arg, ".idx") ||
31             !ends_with(arg.buf, ".pack"))
32                 strbuf_addstr(&arg, ".pack");
33         argv[2] = arg.buf;
34
35         index_pack.argv = argv;
36         index_pack.git_cmd = 1;
37
38         err = run_command(&index_pack);
39
40         if (verbose || stat_only) {
41                 if (err)
42                         printf("%s: bad\n", arg.buf);
43                 else {
44                         if (!stat_only)
45                                 printf("%s: ok\n", arg.buf);
46                 }
47         }
48         strbuf_release(&arg);
49
50         return err;
51 }
52
53 static const char * const verify_pack_usage[] = {
54         N_("git verify-pack [-v|--verbose] [-s|--stat-only] <pack>..."),
55         NULL
56 };
57
58 int cmd_verify_pack(int argc, const char **argv, const char *prefix)
59 {
60         int err = 0;
61         unsigned int flags = 0;
62         int i;
63         const struct option verify_pack_options[] = {
64                 OPT_BIT('v', "verbose", &flags, N_("verbose"),
65                         VERIFY_PACK_VERBOSE),
66                 OPT_BIT('s', "stat-only", &flags, N_("show statistics only"),
67                         VERIFY_PACK_STAT_ONLY),
68                 OPT_END()
69         };
70
71         git_config(git_default_config, NULL);
72         argc = parse_options(argc, argv, prefix, verify_pack_options,
73                              verify_pack_usage, 0);
74         if (argc < 1)
75                 usage_with_options(verify_pack_usage, verify_pack_options);
76         for (i = 0; i < argc; i++) {
77                 if (verify_one_pack(argv[i], flags))
78                         err = 1;
79         }
80
81         return err;
82 }