2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
9 static const char *diff_files_usage
=
10 "git-diff-files [-p] [-q] [-r] [-z] [-M] [-C] [-R] [-S<string>] [paths...]";
12 static int generate_patch
= 0;
13 static int line_termination
= '\n';
14 static int detect_rename
= 0;
15 static int reverse_diff
= 0;
16 static int diff_score_opt
= 0;
17 static const char *pickaxe
= NULL
;
18 static int silent
= 0;
20 static int matches_pathspec(struct cache_entry
*ce
, char **spec
, int cnt
)
23 int namelen
= ce_namelen(ce
);
24 for (i
= 0; i
< cnt
; i
++) {
25 int speclen
= strlen(spec
[i
]);
26 if (! strncmp(spec
[i
], ce
->name
, speclen
) &&
28 (ce
->name
[speclen
] == 0 ||
29 ce
->name
[speclen
] == '/'))
35 static void show_unmerge(const char *path
)
40 static void show_file(int pfx
, struct cache_entry
*ce
)
42 diff_addremove(pfx
, ntohl(ce
->ce_mode
), ce
->sha1
, ce
->name
, NULL
);
45 static void show_modified(int oldmode
, int mode
,
46 const unsigned char *old_sha1
, const unsigned char *sha1
,
49 diff_change(oldmode
, mode
, old_sha1
, sha1
, path
, NULL
);
52 int main(int argc
, char **argv
)
54 static const unsigned char null_sha1
[20] = { 0, };
55 int entries
= read_cache();
58 while (1 < argc
&& argv
[1][0] == '-') {
59 if (!strcmp(argv
[1], "-p"))
61 else if (!strcmp(argv
[1], "-q"))
63 else if (!strcmp(argv
[1], "-r"))
65 else if (!strcmp(argv
[1], "-s"))
67 else if (!strcmp(argv
[1], "-z"))
69 else if (!strcmp(argv
[1], "-R"))
71 else if (!strcmp(argv
[1], "-S"))
72 pickaxe
= argv
[1] + 2;
73 else if (!strncmp(argv
[1], "-M", 2)) {
74 diff_score_opt
= diff_scoreopt_parse(argv
[1]);
75 detect_rename
= generate_patch
= 1;
77 else if (!strncmp(argv
[1], "-C", 2)) {
78 diff_score_opt
= diff_scoreopt_parse(argv
[1]);
83 usage(diff_files_usage
);
87 /* At this point, if argc == 1, then we are doing everything.
88 * Otherwise argv[1] .. argv[argc-1] have the explicit paths.
95 diff_setup(reverse_diff
, (generate_patch
? -1 : line_termination
));
97 for (i
= 0; i
< entries
; i
++) {
99 unsigned int oldmode
, mode
;
100 struct cache_entry
*ce
= active_cache
[i
];
104 ! matches_pathspec(ce
, argv
+1, argc
-1))
108 show_unmerge(ce
->name
);
109 while (i
< entries
&&
110 !strcmp(ce
->name
, active_cache
[i
]->name
))
112 i
--; /* compensate for loop control increments */
116 if (lstat(ce
->name
, &st
) < 0) {
117 if (errno
!= ENOENT
&& errno
!= ENOTDIR
) {
126 changed
= ce_match_stat(ce
, &st
);
127 if (!changed
&& detect_rename
< 2)
130 oldmode
= ntohl(ce
->ce_mode
);
131 mode
= (S_ISLNK(st
.st_mode
) ? S_IFLNK
:
132 S_IFREG
| ce_permissions(st
.st_mode
));
134 show_modified(oldmode
, mode
, ce
->sha1
, null_sha1
,
138 diff_detect_rename(detect_rename
, diff_score_opt
);
140 diff_pickaxe(pickaxe
);