2 * Copyright (C) 2005 Junio C Hamano
9 static int detect_rename = 0;
10 static int diff_score_opt = 0;
11 static const char *pickaxe = NULL;
12 static int diff_output_style = DIFF_FORMAT_PATCH;
13 static int line_termination = '\n';
14 static int inter_name_termination = '\t';
16 static int parse_diff_raw(char *buf1, char *buf2, char *buf3)
18 char old_path[PATH_MAX];
19 unsigned char old_sha1[20], new_sha1[20];
22 int ch, old_mode, new_mode;
24 old_mode = new_mode = 0;
25 while ((ch = *cp) && ('0' <= ch && ch <= '7')) {
26 old_mode = (old_mode << 3) | (ch - '0');
31 while ((ch = *cp) && ('0' <= ch && ch <= '7')) {
32 new_mode = (new_mode << 3) | (ch - '0');
37 if (get_sha1_hex(cp, old_sha1))
42 if (get_sha1_hex(cp, new_sha1))
45 if (*cp++ != inter_name_termination)
49 ep = strchr(cp, inter_name_termination);
54 diff_guif(old_mode, new_mode, old_sha1, new_sha1,
55 old_path, buf3 ? buf3 : ep);
59 static const char *diff_helper_usage =
60 "git-diff-helper [-z] [-R] [-M] [-C] [-S<string>] paths...";
62 int main(int ac, const char **av) {
63 struct strbuf sb1, sb2, sb3;
70 while (1 < ac && av[1][0] == '-') {
73 else if (av[1][1] == 'z')
74 line_termination = inter_name_termination = 0;
75 else if (av[1][1] == 'p') /* hidden from the help */
76 diff_output_style = DIFF_FORMAT_HUMAN;
77 else if (av[1][1] == 'P') /* hidden from the help */
78 diff_output_style = DIFF_FORMAT_MACHINE;
79 else if (av[1][1] == 'M') {
81 diff_score_opt = diff_scoreopt_parse(av[1]);
83 else if (av[1][1] == 'C') {
85 diff_score_opt = diff_scoreopt_parse(av[1]);
87 else if (av[1][1] == 'S') {
91 usage(diff_helper_usage);
94 /* the remaining parameters are paths patterns */
96 diff_setup(reverse_diff, diff_output_style);
99 read_line(&sb1, stdin, line_termination);
102 switch (sb1.buf[0]) {
104 diff_unmerge(sb1.buf + 2);
111 if (!line_termination) {
112 read_line(&sb2, stdin, line_termination);
115 read_line(&sb3, stdin, line_termination);
118 status = parse_diff_raw(sb1.buf+1, sb2.buf, sb3.buf);
121 status = parse_diff_raw(sb1.buf+1, NULL, NULL);
124 diff_flush(av+1, ac-1);
125 printf("%s%c", sb1.buf, line_termination);
129 diff_detect_rename(detect_rename, diff_score_opt);
131 diff_pickaxe(pickaxe);
132 diff_flush(av+1, ac-1);