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"
9 static 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 }
24 static const char hash_object_usage[] =
25 "git-hash-object [-t <type>] [-w] <file>...";
27 int 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;
35 for (i = 1 ; i < argc; i++) {
36 if (!strcmp(argv[i], "-t")) {
37 if (argc <= ++i)
38 die(hash_object_usage);
39 type = argv[i];
40 }
41 else if (!strcmp(argv[i], "-w")) {
42 if (prefix_length < 0) {
43 prefix = setup_git_directory();
44 prefix_length = prefix ? strlen(prefix) : 0;
45 }
46 write_object = 1;
47 }
48 else {
49 const char *arg = argv[i];
50 if (0 <= prefix_length)
51 arg = prefix_filename(prefix, prefix_length,
52 arg);
53 hash_object(arg, type, write_object);
54 }
55 }
56 return 0;
57 }