builtin/verify-pack.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include "config.h"
   4 #include "run-command.h"
   5 #include "parse-options.h"
   6
   7 #define VERIFY_PACK_VERBOSE 01
   8 #define VERIFY_PACK_STAT_ONLY 02
   9
  10 static int verify_one_pack(const char *path, unsigned int flags, const char *hash_algo)
  11 {
  12         struct child_process index_pack = CHILD_PROCESS_INIT;
  13         struct strvec *argv = &index_pack.args;
  14         struct strbuf arg = STRBUF_INIT;
  15         int verbose = flags & VERIFY_PACK_VERBOSE;
  16         int stat_only = flags & VERIFY_PACK_STAT_ONLY;
  17         int err;
  18
  19         strvec_push(argv, "index-pack");
  20
  21         if (stat_only)
  22                 strvec_push(argv, "--verify-stat-only");
  23         else if (verbose)
  24                 strvec_push(argv, "--verify-stat");
  25         else
  26                 strvec_push(argv, "--verify");
  27
  28         if (hash_algo)
  29                 strvec_pushf(argv, "--object-format=%s", hash_algo);
  30
  31         /*
  32          * In addition to "foo.pack" we accept "foo.idx" and "foo";
  33          * normalize these forms to "foo.pack" for "index-pack --verify".
  34          */
  35         strbuf_addstr(&arg, path);
  36         if (strbuf_strip_suffix(&arg, ".idx") ||
  37             !ends_with(arg.buf, ".pack"))
  38                 strbuf_addstr(&arg, ".pack");
  39         strvec_push(argv, arg.buf);
  40
  41         index_pack.git_cmd = 1;
  42
  43         err = run_command(&index_pack);
  44
  45         if (verbose || stat_only) {
  46                 if (err)
  47                         printf("%s: bad\n", arg.buf);
  48                 else {
  49                         if (!stat_only)
  50                                 printf("%s: ok\n", arg.buf);
  51                 }
  52         }
  53         strbuf_release(&arg);
  54
  55         return err;
  56 }
  57
  58 static const char * const verify_pack_usage[] = {
  59         N_("git verify-pack [-v | --verbose] [-s | --stat-only] <pack>..."),
  60         NULL
  61 };
  62
  63 int cmd_verify_pack(int argc, const char **argv, const char *prefix)
  64 {
  65         int err = 0;
  66         unsigned int flags = 0;
  67         const char *object_format = NULL;
  68         int i;
  69         const struct option verify_pack_options[] = {
  70                 OPT_BIT('v', "verbose", &flags, N_("verbose"),
  71                         VERIFY_PACK_VERBOSE),
  72                 OPT_BIT('s', "stat-only", &flags, N_("show statistics only"),
  73                         VERIFY_PACK_STAT_ONLY),
  74                 OPT_STRING(0, "object-format", &object_format, N_("hash"),
  75                            N_("specify the hash algorithm to use")),
  76                 OPT_END()
  77         };
  78
  79         git_config(git_default_config, NULL);
  80         argc = parse_options(argc, argv, prefix, verify_pack_options,
  81                              verify_pack_usage, 0);
  82         if (argc < 1)
  83                 usage_with_options(verify_pack_usage, verify_pack_options);
  84         for (i = 0; i < argc; i++) {
  85                 if (verify_one_pack(argv[i], flags, object_format))
  86                         err = 1;
  87         }
  88
  89         return err;
  90 }