2 * Copyright (C) 2005 Junio C Hamano
8 static const char *pickaxe
= NULL
;
9 static int pickaxe_opts
= 0;
10 static int line_termination
= '\n';
11 static int inter_name_termination
= '\t';
13 static const char *diff_helper_usage
=
14 "git-diff-helper [-z] [-S<string>] paths...";
16 int main(int ac
, const char **av
) {
21 while (1 < ac
&& av
[1][0] == '-') {
23 line_termination
= inter_name_termination
= 0;
24 else if (av
[1][1] == 'S') {
27 else if (!strcmp(av
[1], "--pickaxe-all"))
28 pickaxe_opts
= DIFF_PICKAXE_ALL
;
30 usage(diff_helper_usage
);
33 /* the remaining parameters are paths patterns */
37 unsigned old_mode
, new_mode
;
38 unsigned char old_sha1
[20], new_sha1
[20];
39 char old_path
[PATH_MAX
];
40 int status
, score
, two_paths
;
41 char new_path
[PATH_MAX
];
46 read_line(&sb
, stdin
, line_termination
);
51 /* parse the first part up to the status */
53 old_mode
= new_mode
= 0;
54 while ((ch
= *cp
) && ('0' <= ch
&& ch
<= '7')) {
55 old_mode
= (old_mode
<< 3) | (ch
- '0');
60 while ((ch
= *cp
) && ('0' <= ch
&& ch
<= '7')) {
61 new_mode
= (new_mode
<< 3) | (ch
- '0');
66 if (get_sha1_hex(cp
, old_sha1
))
71 if (get_sha1_hex(cp
, new_sha1
))
77 if (!strchr("MCRNDU", status
))
79 two_paths
= score
= 0;
80 if (status
== 'R' || status
== 'C') {
82 sscanf(cp
, "%d", &score
);
83 if (line_termination
) {
85 inter_name_termination
);
91 if (*cp
++ != inter_name_termination
)
95 if (!line_termination
) {
96 read_line(&sb
, stdin
, line_termination
);
99 strcpy(old_path
, sb
.buf
);
102 strcpy(old_path
, cp
);
104 ep
= strchr(cp
, inter_name_termination
);
107 strncpy(old_path
, cp
, ep
-cp
);
112 /* second pathname */
114 strcpy(new_path
, old_path
);
116 if (!line_termination
) {
117 read_line(&sb
, stdin
,
121 strcpy(new_path
, sb
.buf
);
124 strcpy(new_path
, cp
);
126 diff_helper_input(old_mode
, new_mode
,
128 old_path
, status
, score
,
133 diffcore_pathspec(av
+ 1);
135 diffcore_pickaxe(pickaxe
, pickaxe_opts
);
136 diff_flush(DIFF_FORMAT_PATCH
, 0);
137 printf("%s\n", sb
.buf
);
140 diffcore_pathspec(av
+ 1);
142 diffcore_pickaxe(pickaxe
, pickaxe_opts
);
143 diff_flush(DIFF_FORMAT_PATCH
, 0);