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Commit | Line | Data |
---|---|---|
c2e86add | 1 | #include "builtin.h" |
3407bb49 LT |
2 | |
3 | static char *create_temp_file(unsigned char *sha1) | |
4 | { | |
5 | static char path[50]; | |
6 | void *buf; | |
21666f1a | 7 | enum object_type type; |
3407bb49 LT |
8 | unsigned long size; |
9 | int fd; | |
10 | ||
21666f1a NP |
11 | buf = read_sha1_file(sha1, &type, &size); |
12 | if (!buf || type != OBJ_BLOB) | |
3407bb49 LT |
13 | die("unable to read blob object %s", sha1_to_hex(sha1)); |
14 | ||
15 | strcpy(path, ".merge_file_XXXXXX"); | |
7647b17f | 16 | fd = xmkstemp(path); |
93822c22 | 17 | if (write_in_full(fd, buf, size) != size) |
0721c314 | 18 | die_errno("unable to write temp-file"); |
3407bb49 LT |
19 | close(fd); |
20 | return path; | |
21 | } | |
22 | ||
b5325818 | 23 | int cmd_unpack_file(int argc, const char **argv, const char *prefix) |
3407bb49 LT |
24 | { |
25 | unsigned char sha1[20]; | |
26 | ||
15073012 | 27 | if (argc != 2 || !strcmp(argv[1], "-h")) |
34263de0 | 28 | usage("git unpack-file <sha1>"); |
31fff305 DL |
29 | if (get_sha1(argv[1], sha1)) |
30 | die("Not a valid object name %s", argv[1]); | |
3407bb49 | 31 | |
ef90d6d4 | 32 | git_config(git_default_config, NULL); |
53228a5f | 33 | |
3407bb49 LT |
34 | puts(create_temp_file(sha1)); |
35 | return 0; | |
36 | } |