hash-object.con commit [PATCH] git-branch: avoid getting confused by empty or nonexisting branches. (a38e727)
   1/*
   2 * GIT - The information manager from hell
   3 *
   4 * Copyright (C) Linus Torvalds, 2005
   5 * Copyright (C) Junio C Hamano, 2005 
   6 */
   7#include "cache.h"
   8
   9static void hash_object(const char *path, const char *type, int write_object)
  10{
  11        int fd;
  12        struct stat st;
  13        unsigned char sha1[20];
  14        fd = open(path, O_RDONLY);
  15        if (fd < 0 ||
  16            fstat(fd, &st) < 0 ||
  17            index_fd(sha1, fd, &st, write_object, type))
  18                die(write_object
  19                    ? "Unable to add %s to database"
  20                    : "Unable to hash %s", path);
  21        printf("%s\n", sha1_to_hex(sha1));
  22}
  23
  24static const char *hash_object_usage =
  25"git-hash-object [-t <type>] [-w] <file>...";
  26
  27int main(int argc, char **argv)
  28{
  29        int i;
  30        const char *type = "blob";
  31        int write_object = 0;
  32
  33        for (i = 1 ; i < argc; i++) {
  34                if (!strcmp(argv[i], "-t")) {
  35                        if (argc <= ++i)
  36                                die(hash_object_usage);
  37                        type = argv[i];
  38                }
  39                else if (!strcmp(argv[i], "-w"))
  40                        write_object = 1;
  41                else
  42                        hash_object(argv[i], type, write_object);
  43        }
  44        return 0;
  45}