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
;
17 static char *diff_stages_usage
=
18 "git-diff-stages [-p] [-r] [-z] [-M] [-C] [-R] [-S<string>] [-O<orderfile>] <stage1> <stage2> [<path>...]";
20 int main(int ac
, const char **av
)
22 int stage1
, stage2
, i
;
25 while (1 < ac
&& av
[1][0] == '-') {
26 const char *arg
= av
[1];
27 if (!strcmp(arg
, "-r"))
29 else if (!strcmp(arg
, "-p"))
30 diff_output_format
= DIFF_FORMAT_PATCH
;
31 else if (!strncmp(arg
, "-B", 2)) {
32 if ((diff_break_opt
= diff_scoreopt_parse(arg
)) == -1)
33 usage(diff_stages_usage
);
35 else if (!strncmp(arg
, "-M", 2)) {
36 detect_rename
= DIFF_DETECT_RENAME
;
37 if ((diff_score_opt
= diff_scoreopt_parse(arg
)) == -1)
38 usage(diff_stages_usage
);
40 else if (!strncmp(arg
, "-C", 2)) {
41 detect_rename
= DIFF_DETECT_COPY
;
42 if ((diff_score_opt
= diff_scoreopt_parse(arg
)) == -1)
43 usage(diff_stages_usage
);
45 else if (!strcmp(arg
, "-z"))
46 diff_output_format
= DIFF_FORMAT_MACHINE
;
47 else if (!strcmp(arg
, "-R"))
48 diff_setup_opt
|= DIFF_SETUP_REVERSE
;
49 else if (!strncmp(arg
, "-S", 2))
51 else if (!strncmp(arg
, "-O", 2))
53 else if (!strcmp(arg
, "--pickaxe-all"))
54 pickaxe_opts
= DIFF_PICKAXE_ALL
;
56 usage(diff_stages_usage
);
61 sscanf(av
[1], "%d", &stage1
) != 1 ||
62 ! (0 <= stage1
&& stage1
<= 3) ||
63 sscanf(av
[2], "%d", &stage2
) != 1 ||
64 ! (0 <= stage2
&& stage2
<= 3))
65 usage(diff_stages_usage
);
67 av
+= 3; /* The rest from av[0] are for paths restriction. */
68 diff_setup(diff_setup_opt
);
71 while (i
< active_nr
) {
72 struct cache_entry
*ce
, *stages
[4] = { NULL
, };
73 struct cache_entry
*one
, *two
;
80 int stage
= ce_stage(ce
);
85 if (ce_namelen(ce
) != len
||
86 memcmp(name
, ce
->name
, len
))
94 diff_addremove('+', ntohl(two
->ce_mode
),
95 two
->sha1
, name
, NULL
);
97 diff_addremove('-', ntohl(one
->ce_mode
),
98 one
->sha1
, name
, NULL
);
99 else if (memcmp(one
->sha1
, two
->sha1
, 20) ||
100 (one
->ce_mode
!= two
->ce_mode
))
101 diff_change(ntohl(one
->ce_mode
), ntohl(two
->ce_mode
),
102 one
->sha1
, two
->sha1
, name
, NULL
);
106 detect_rename
, diff_score_opt
,
107 pickaxe
, pickaxe_opts
,
110 diff_flush(diff_output_format
, 1);