2 * Copyright (c) 2005 Junio C Hamano
8 static int diff_output_format
= DIFF_FORMAT_HUMAN
;
9 static int detect_rename
= 0;
10 static int diff_setup_opt
= 0;
11 static int diff_score_opt
= 0;
12 static const char *pickaxe
= NULL
;
13 static int pickaxe_opts
= 0;
14 static int diff_break_opt
= -1;
15 static const char *orderfile
= NULL
;
16 static const char *diff_filter
= NULL
;
18 static char *diff_stages_usage
=
19 "git-diff-stages [-p] [-r] [-z] [-M] [-C] [-R] [-S<string>] [-O<orderfile>] <stage1> <stage2> [<path>...]";
21 int main(int ac
, const char **av
)
23 int stage1
, stage2
, i
;
26 while (1 < ac
&& av
[1][0] == '-') {
27 const char *arg
= av
[1];
28 if (!strcmp(arg
, "-r"))
30 else if (!strcmp(arg
, "-p"))
31 diff_output_format
= DIFF_FORMAT_PATCH
;
32 else if (!strncmp(arg
, "-B", 2)) {
33 if ((diff_break_opt
= diff_scoreopt_parse(arg
)) == -1)
34 usage(diff_stages_usage
);
36 else if (!strncmp(arg
, "-M", 2)) {
37 detect_rename
= DIFF_DETECT_RENAME
;
38 if ((diff_score_opt
= diff_scoreopt_parse(arg
)) == -1)
39 usage(diff_stages_usage
);
41 else if (!strncmp(arg
, "-C", 2)) {
42 detect_rename
= DIFF_DETECT_COPY
;
43 if ((diff_score_opt
= diff_scoreopt_parse(arg
)) == -1)
44 usage(diff_stages_usage
);
46 else if (!strcmp(arg
, "-z"))
47 diff_output_format
= DIFF_FORMAT_MACHINE
;
48 else if (!strcmp(arg
, "-R"))
49 diff_setup_opt
|= DIFF_SETUP_REVERSE
;
50 else if (!strncmp(arg
, "-S", 2))
52 else if (!strncmp(arg
, "-O", 2))
54 else if (!strncmp(arg
, "--diff-filter=", 14))
55 diff_filter
= arg
+ 14;
56 else if (!strcmp(arg
, "--pickaxe-all"))
57 pickaxe_opts
= DIFF_PICKAXE_ALL
;
59 usage(diff_stages_usage
);
64 sscanf(av
[1], "%d", &stage1
) != 1 ||
65 ! (0 <= stage1
&& stage1
<= 3) ||
66 sscanf(av
[2], "%d", &stage2
) != 1 ||
67 ! (0 <= stage2
&& stage2
<= 3))
68 usage(diff_stages_usage
);
70 av
+= 3; /* The rest from av[0] are for paths restriction. */
71 diff_setup(diff_setup_opt
);
74 while (i
< active_nr
) {
75 struct cache_entry
*ce
, *stages
[4] = { NULL
, };
76 struct cache_entry
*one
, *two
;
83 int stage
= ce_stage(ce
);
88 if (ce_namelen(ce
) != len
||
89 memcmp(name
, ce
->name
, len
))
97 diff_addremove('+', ntohl(two
->ce_mode
),
98 two
->sha1
, name
, NULL
);
100 diff_addremove('-', ntohl(one
->ce_mode
),
101 one
->sha1
, name
, NULL
);
102 else if (memcmp(one
->sha1
, two
->sha1
, 20) ||
103 (one
->ce_mode
!= two
->ce_mode
))
104 diff_change(ntohl(one
->ce_mode
), ntohl(two
->ce_mode
),
105 one
->sha1
, two
->sha1
, name
, NULL
);
109 detect_rename
, diff_score_opt
,
110 pickaxe
, pickaxe_opts
,
114 diff_flush(diff_output_format
);