Andrew's git - gitweb.git/blob

1b47742d8cbc0d98903777758b7b519980e7499e
   1#include "cache.h"
   2
   3static int unpack(unsigned char *sha1)
   4{
   5        void *buffer;
   6        unsigned long size;
   7        char type[20];
   8
   9        buffer = read_sha1_file(sha1, type, &size);
  10        if (!buffer)
  11                usage("unable to read sha1 file");
  12        if (strcmp(type, "tree"))
  13                usage("expected a 'tree' node");
  14        while (size) {
  15                int len = strlen(buffer)+1;
  16                unsigned char *sha1 = buffer + len;
  17                char *path = strchr(buffer, ' ')+1;
  18                unsigned int mode;
  19                if (size < len + 20 || sscanf(buffer, "%o", &mode) != 1)
  20                        usage("corrupt 'tree' file");
  21                buffer = sha1 + 20;
  22                size -= len + 20;
  23                printf("%o %s (%s)\n", mode, path, sha1_to_hex(sha1));
  24        }
  25        return 0;
  26}
  27
  28int main(int argc, char **argv)
  29{
  30        int fd;
  31        unsigned char sha1[20];
  32
  33        if (argc != 2)
  34                usage("read-tree <key>");
  35        if (get_sha1_hex(argv[1], sha1) < 0)
  36                usage("read-tree <key>");
  37        sha1_file_directory = getenv(DB_ENVIRONMENT);
  38        if (!sha1_file_directory)
  39                sha1_file_directory = DEFAULT_DB_ENVIRONMENT;
  40        if (unpack(sha1) < 0)
  41                usage("unpack failed");
  42        return 0;
  43}