builtin-verify-pack.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include "pack.h"
   4
   5 static int verify_one_pack(const char *path, int verbose)
   6 {
   7         char arg[PATH_MAX];
   8         int len;
   9         struct packed_git *pack;
  10         int err;
  11
  12         len = strlcpy(arg, path, PATH_MAX);
  13         if (len >= PATH_MAX)
  14                 return error("name too long: %s", path);
  15
  16         /*
  17          * In addition to "foo.idx" we accept "foo.pack" and "foo";
  18          * normalize these forms to "foo.idx" for add_packed_git().
  19          */
  20         if (has_extension(arg, ".pack")) {
  21                 strcpy(arg + len - 5, ".idx");
  22                 len--;
  23         } else if (!has_extension(arg, ".idx")) {
  24                 if (len + 4 >= PATH_MAX)
  25                         return error("name too long: %s.idx", arg);
  26                 strcpy(arg + len, ".idx");
  27                 len += 4;
  28         }
  29
  30         /*
  31          * add_packed_git() uses our buffer (containing "foo.idx") to
  32          * build the pack filename ("foo.pack").  Make sure it fits.
  33          */
  34         if (len + 1 >= PATH_MAX) {
  35                 arg[len - 4] = '\0';
  36                 return error("name too long: %s.pack", arg);
  37         }
  38
  39         pack = add_packed_git(arg, len, 1);
  40         if (!pack)
  41                 return error("packfile %s not found.", arg);
  42
  43         err = verify_pack(pack, verbose);
  44         free(pack);
  45
  46         return err;
  47 }
  48
  49 static const char verify_pack_usage[] = "git-verify-pack [-v] <pack>...";
  50
  51 int cmd_verify_pack(int argc, const char **argv, const char *prefix)
  52 {
  53         int err = 0;
  54         int verbose = 0;
  55         int no_more_options = 0;
  56         int nothing_done = 1;
  57
  58         while (1 < argc) {
  59                 if (!no_more_options && argv[1][0] == '-') {
  60                         if (!strcmp("-v", argv[1]))
  61                                 verbose = 1;
  62                         else if (!strcmp("--", argv[1]))
  63                                 no_more_options = 1;
  64                         else
  65                                 usage(verify_pack_usage);
  66                 }
  67                 else {
  68                         if (verify_one_pack(argv[1], verbose))
  69                                 err = 1;
  70                         nothing_done = 0;
  71                 }
  72                 argc--; argv++;
  73         }
  74
  75         if (nothing_done)
  76                 usage(verify_pack_usage);
  77
  78         return err;
  79 }