builtin/verify-pack.c

   1 #include "builtin.h"
   2 #include "config.h"
   3 #include "gettext.h"
   4 #include "run-command.h"
   5 #include "parse-options.h"
   6 #include "strbuf.h"
   7
   8 #define VERIFY_PACK_VERBOSE 01
   9 #define VERIFY_PACK_STAT_ONLY 02
  10
  11 static int verify_one_pack(const char *path, unsigned int flags, const char *hash_algo)
  12 {
  13         struct child_process index_pack = CHILD_PROCESS_INIT;
  14         struct strvec *argv = &index_pack.args;
  15         struct strbuf arg = STRBUF_INIT;
  16         int verbose = flags & VERIFY_PACK_VERBOSE;
  17         int stat_only = flags & VERIFY_PACK_STAT_ONLY;
  18         int err;
  19
  20         strvec_push(argv, "index-pack");
  21
  22         if (stat_only)
  23                 strvec_push(argv, "--verify-stat-only");
  24         else if (verbose)
  25                 strvec_push(argv, "--verify-stat");
  26         else
  27                 strvec_push(argv, "--verify");
  28
  29         if (hash_algo)
  30                 strvec_pushf(argv, "--object-format=%s", hash_algo);
  31
  32         /*
  33          * In addition to "foo.pack" we accept "foo.idx" and "foo";
  34          * normalize these forms to "foo.pack" for "index-pack --verify".
  35          */
  36         strbuf_addstr(&arg, path);
  37         if (strbuf_strip_suffix(&arg, ".idx") ||
  38             !ends_with(arg.buf, ".pack"))
  39                 strbuf_addstr(&arg, ".pack");
  40         strvec_push(argv, arg.buf);
  41
  42         index_pack.git_cmd = 1;
  43
  44         err = run_command(&index_pack);
  45
  46         if (verbose || stat_only) {
  47                 if (err)
  48                         printf("%s: bad\n", arg.buf);
  49                 else {
  50                         if (!stat_only)
  51                                 printf("%s: ok\n", arg.buf);
  52                 }
  53         }
  54         strbuf_release(&arg);
  55
  56         return err;
  57 }
  58
  59 static const char * const verify_pack_usage[] = {
  60         N_("git verify-pack [-v | --verbose] [-s | --stat-only] [--] <pack>.idx..."),
  61         NULL
  62 };
  63
  64 int cmd_verify_pack(int argc, const char **argv, const char *prefix)
  65 {
  66         int err = 0;
  67         unsigned int flags = 0;
  68         const char *object_format = NULL;
  69         int i;
  70         const struct option verify_pack_options[] = {
  71                 OPT_BIT('v', "verbose", &flags, N_("verbose"),
  72                         VERIFY_PACK_VERBOSE),
  73                 OPT_BIT('s', "stat-only", &flags, N_("show statistics only"),
  74                         VERIFY_PACK_STAT_ONLY),
  75                 OPT_STRING(0, "object-format", &object_format, N_("hash"),
  76                            N_("specify the hash algorithm to use")),
  77                 OPT_END()
  78         };
  79
  80         git_config(git_default_config, NULL);
  81         argc = parse_options(argc, argv, prefix, verify_pack_options,
  82                              verify_pack_usage, 0);
  83         if (argc < 1)
  84                 usage_with_options(verify_pack_usage, verify_pack_options);
  85         for (i = 0; i < argc; i++) {
  86                 if (verify_one_pack(argv[i], flags, object_format))
  87                         err = 1;
  88         }
  89
  90         return err;
  91 }