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Commit | Line | Data |
---|---|---|
8bc9a0c7 LT |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | */ | |
e83c5163 | 6 | #include "cache.h" |
c0fb976a | 7 | |
d2522a65 | 8 | static const char *show_diff_usage = "show-diff [-q] [-s] [-z] [paths...]"; |
b8f80925 | 9 | |
0a7668e9 LT |
10 | static int recursive = 0; |
11 | static int line_termination = '\n'; | |
12 | static int silent = 0; | |
13 | static int silent_on_nonexisting_files = 0; | |
14 | ||
b8f80925 JH |
15 | static int matches_pathspec(struct cache_entry *ce, char **spec, int cnt) |
16 | { | |
17 | int i; | |
18 | int namelen = ce_namelen(ce); | |
19 | for (i = 0; i < cnt; i++) { | |
20 | int speclen = strlen(spec[i]); | |
21 | if (! strncmp(spec[i], ce->name, speclen) && | |
22 | speclen <= namelen && | |
23 | (ce->name[speclen] == 0 || | |
24 | ce->name[speclen] == '/')) | |
25 | return 1; | |
26 | } | |
27 | return 0; | |
28 | } | |
29 | ||
0a7668e9 LT |
30 | static void show_file(const char *prefix, struct cache_entry *ce) |
31 | { | |
32 | printf("%s%o\t%s\t%s\t%s%c", prefix, ntohl(ce->ce_mode), "blob", | |
33 | sha1_to_hex(ce->sha1), ce->name, line_termination); | |
34 | } | |
35 | ||
e83c5163 LT |
36 | int main(int argc, char **argv) |
37 | { | |
0a7668e9 | 38 | static const char null_sha1_hex[] = "0000000000000000000000000000000000000000"; |
e83c5163 LT |
39 | int entries = read_cache(); |
40 | int i; | |
41 | ||
b8f80925 | 42 | while (1 < argc && argv[1][0] == '-') { |
0a7668e9 | 43 | if (!strcmp(argv[1], "-s")) |
ca2a0798 | 44 | silent_on_nonexisting_files = silent = 1; |
b8f80925 | 45 | else if (!strcmp(argv[1], "-q")) |
ca2a0798 | 46 | silent_on_nonexisting_files = 1; |
d2522a65 | 47 | else if (!strcmp(argv[1], "-z")) |
0a7668e9 LT |
48 | line_termination = 0; |
49 | else if (!strcmp(argv[1], "-r")) | |
50 | recursive = 1; /* No-op */ | |
b8f80925 JH |
51 | else |
52 | usage(show_diff_usage); | |
53 | argv++; argc--; | |
e2e5e98a PB |
54 | } |
55 | ||
b8f80925 JH |
56 | /* At this point, if argc == 1, then we are doing everything. |
57 | * Otherwise argv[1] .. argv[argc-1] have the explicit paths. | |
58 | */ | |
e83c5163 LT |
59 | if (entries < 0) { |
60 | perror("read_cache"); | |
61 | exit(1); | |
62 | } | |
be3cfa85 | 63 | |
e83c5163 LT |
64 | for (i = 0; i < entries; i++) { |
65 | struct stat st; | |
0a7668e9 | 66 | unsigned int oldmode, mode; |
e83c5163 | 67 | struct cache_entry *ce = active_cache[i]; |
d94c6128 | 68 | int changed; |
e83c5163 | 69 | |
d2522a65 | 70 | if (1 < argc && |
b8f80925 JH |
71 | ! matches_pathspec(ce, argv+1, argc-1)) |
72 | continue; | |
73 | ||
9fec8b26 | 74 | if (ce_stage(ce)) { |
b8a55ce7 | 75 | printf("U %s%c", ce->name, line_termination); |
0a7668e9 | 76 | |
9fec8b26 JH |
77 | while (i < entries && |
78 | !strcmp(ce->name, active_cache[i]->name)) | |
79 | i++; | |
80 | i--; /* compensate for loop control increments */ | |
81 | continue; | |
82 | } | |
83 | ||
e83c5163 | 84 | if (stat(ce->name, &st) < 0) { |
0a7668e9 LT |
85 | if (errno != ENOENT) { |
86 | perror(ce->name); | |
ca2a0798 | 87 | continue; |
0a7668e9 LT |
88 | } |
89 | if (silent_on_nonexisting_files) | |
90 | continue; | |
91 | show_file("-", ce); | |
e83c5163 LT |
92 | continue; |
93 | } | |
734aab75 | 94 | changed = cache_match_stat(ce, &st); |
5e76011c | 95 | if (!changed) |
e83c5163 | 96 | continue; |
e2e5e98a | 97 | |
0a7668e9 LT |
98 | oldmode = ntohl(ce->ce_mode); |
99 | mode = S_IFREG | ce_permissions(st.st_mode); | |
100 | ||
101 | printf("*%o->%o\t%s\t%s->%s\t%s%c", | |
102 | oldmode, mode, "blob", | |
103 | sha1_to_hex(ce->sha1), null_sha1_hex, | |
104 | ce->name, line_termination); | |
e83c5163 LT |
105 | } |
106 | return 0; | |
107 | } |