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Commit | Line | Data |
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8bc9a0c7 LT |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | */ | |
e83c5163 LT |
6 | #include "cache.h" |
7 | ||
8 | int main(int argc, char **argv) | |
9 | { | |
10 | unsigned char sha1[20]; | |
11 | char type[20]; | |
12 | void *buf; | |
13 | unsigned long size; | |
e83c5163 | 14 | |
3c249c95 | 15 | if (argc != 3 || get_sha1(argv[2], sha1)) |
bab5583a | 16 | usage("git-cat-file [-t | tagname] <sha1>"); |
11e7d5c5 | 17 | |
bf0c6e83 | 18 | if (!strcmp("-t", argv[1])) { |
11e7d5c5 LT |
19 | buf = read_sha1_file(sha1, type, &size); |
20 | if (buf) { | |
21 | buf = type; | |
22 | size = strlen(type); | |
23 | type[size] = '\n'; | |
fa9e9c7b | 24 | size++; |
11e7d5c5 LT |
25 | } |
26 | } else { | |
27 | buf = read_object_with_reference(sha1, argv[1], &size, NULL); | |
bf0c6e83 LT |
28 | } |
29 | ||
11e7d5c5 | 30 | if (!buf) |
bab5583a | 31 | die("git-cat-file %s: bad file", argv[2]); |
11e7d5c5 | 32 | |
bf0c6e83 LT |
33 | while (size > 0) { |
34 | long ret = write(1, buf, size); | |
35 | if (ret < 0) { | |
36 | if (errno == EAGAIN) | |
37 | continue; | |
38 | /* Ignore epipe */ | |
39 | if (errno == EPIPE) | |
40 | break; | |
bab5583a | 41 | die("git-cat-file: %s", strerror(errno)); |
2de381f9 | 42 | } else if (!ret) { |
bab5583a | 43 | die("git-cat-file: disk full?"); |
bf0c6e83 LT |
44 | } |
45 | size -= ret; | |
46 | buf += ret; | |
47 | } | |
48 | return 0; | |
e83c5163 | 49 | } |