Code

Makefile: install 'git' in execdir
[git.git] / unpack-file.c
1 #include "cache.h"
2 #include "blob.h"
3 #include "exec_cmd.h"
5 static char *create_temp_file(unsigned char *sha1)
6 {
7         static char path[50];
8         void *buf;
9         enum object_type type;
10         unsigned long size;
11         int fd;
13         buf = read_sha1_file(sha1, &type, &size);
14         if (!buf || type != OBJ_BLOB)
15                 die("unable to read blob object %s", sha1_to_hex(sha1));
17         strcpy(path, ".merge_file_XXXXXX");
18         fd = xmkstemp(path);
19         if (write_in_full(fd, buf, size) != size)
20                 die_errno("unable to write temp-file");
21         close(fd);
22         return path;
23 }
25 int main(int argc, char **argv)
26 {
27         unsigned char sha1[20];
29         git_extract_argv0_path(argv[0]);
31         if (argc != 2)
32                 usage("git unpack-file <sha1>");
33         if (get_sha1(argv[1], sha1))
34                 die("Not a valid object name %s", argv[1]);
36         setup_git_directory();
37         git_config(git_default_config, NULL);
39         puts(create_temp_file(sha1));
40         return 0;
41 }