Andrew's git - gitweb.git/blob

   1#include "cache.h"
   2
   3static const char prune_packed_usage[] = "git-prune-packed: usage: git-prune-packed";
   4
   5static void prune_dir(int i, DIR *dir, char *pathname, int len)
   6{
   7        struct dirent *de;
   8        char hex[40];
   9
  10        sprintf(hex, "%02x", i);
  11        while ((de = readdir(dir)) != NULL) {
  12                unsigned char sha1[20];
  13                if (strlen(de->d_name) != 38)
  14                        continue;
  15                memcpy(hex+2, de->d_name, 38);
  16                if (get_sha1_hex(hex, sha1))
  17                        continue;
  18                if (!has_sha1_pack(sha1))
  19                        continue;
  20                memcpy(pathname + len, de->d_name, 38);
  21                if (unlink(pathname) < 0)
  22                        error("unable to unlink %s", pathname);
  23        }
  24}
  25
  26static void prune_packed_objects(void)
  27{
  28        int i;
  29        static char pathname[PATH_MAX];
  30        const char *dir = get_object_directory();
  31        int len = strlen(dir);
  32
  33        if (len > PATH_MAX - 42)
  34                die("impossible object directory");
  35        memcpy(pathname, dir, len);
  36        if (len && pathname[len-1] != '/')
  37                pathname[len++] = '/';
  38        for (i = 0; i < 256; i++) {
  39                DIR *d;
  40
  41                sprintf(pathname + len, "%02x/", i);
  42                d = opendir(pathname);
  43                if (!d)
  44                        die("unable to open %s", pathname);
  45                prune_dir(i, d, pathname, len + 3);
  46                closedir(d);
  47        }
  48}
  49
  50int main(int argc, char **argv)
  51{
  52        int i;
  53
  54        for (i = 1; i < argc; i++) {
  55                const char *arg = argv[i];
  56
  57                if (*arg == '-') {
  58                        /* Handle flags here .. */
  59                        usage(prune_packed_usage);
  60                }
  61                /* Handle arguments here .. */
  62                usage(prune_packed_usage);
  63        }
  64        prune_packed_objects();
  65        return 0;
  66}