Andrew's git - gitweb.git/blob

   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        const char *prefix = NULL;
  33        int prefix_length = -1;
  34        int no_more_flags = 0;
  35
  36        for (i = 1 ; i < argc; i++) {
  37                if (!no_more_flags && argv[i][0] == '-') {
  38                        if (!strcmp(argv[i], "-t")) {
  39                                if (argc <= ++i)
  40                                        die(hash_object_usage);
  41                                type = argv[i];
  42                        }
  43                        else if (!strcmp(argv[i], "-w")) {
  44                                if (prefix_length < 0) {
  45                                        prefix = setup_git_directory();
  46                                        prefix_length =
  47                                                prefix ? strlen(prefix) : 0;
  48                                }
  49                                write_object = 1;
  50                        }
  51                        else if (!strcmp(argv[i], "--")) {
  52                                no_more_flags = 1;
  53                        }
  54                        else if (!strcmp(argv[i], "--help"))
  55                                usage(hash_object_usage);
  56                        else
  57                                die(hash_object_usage);
  58                }
  59                else {
  60                        const char *arg = argv[i];
  61                        if (0 <= prefix_length)
  62                                arg = prefix_filename(prefix, prefix_length,
  63                                                      arg);
  64                        hash_object(arg, type, write_object);
  65                        no_more_flags = 1;
  66                }
  67        }
  68        return 0;
  69}