[PATCH] Use the 'die' function where it is appropriate.
[git.git] / hash-object.c
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
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 }
23
24 static const char hash_object_usage[] =
25 "git-hash-object [-t <type>] [-w] <file>...";
26
27 int 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 }