Andrew's git - gitweb.git/blob

   1#include "cache.h"
   2#include "blob.h"
   3
   4static char *create_temp_file(unsigned char *sha1)
   5{
   6        static char path[50];
   7        void *buf;
   8        enum object_type type;
   9        unsigned long size;
  10        int fd;
  11
  12        buf = read_sha1_file(sha1, &type, &size);
  13        if (!buf || type != OBJ_BLOB)
  14                die("unable to read blob object %s", sha1_to_hex(sha1));
  15
  16        strcpy(path, ".merge_file_XXXXXX");
  17        fd = mkstemp(path);
  18        if (fd < 0)
  19                die("unable to create temp-file");
  20        if (write_in_full(fd, buf, size) != size)
  21                die("unable to write temp-file");
  22        close(fd);
  23        return path;
  24}
  25
  26int main(int argc, char **argv)
  27{
  28        unsigned char sha1[20];
  29
  30        if (argc != 2)
  31                usage("git-unpack-file <sha1>");
  32        if (get_sha1(argv[1], sha1))
  33                die("Not a valid object name %s", argv[1]);
  34
  35        setup_git_directory();
  36        git_config(git_default_config);
  37
  38        puts(create_temp_file(sha1));
  39        return 0;
  40}