2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
8 static void show_differences(char *name,
9 void *old_contents, unsigned long long old_size)
11 static char cmd[1000];
14 snprintf(cmd, sizeof(cmd), "diff -L %s -u -N - %s", name, name);
17 fwrite(old_contents, old_size, 1, f);
21 static void show_diff_empty(struct cache_entry *ce)
24 unsigned long int size;
26 unsigned char type[20], *p, *end;
28 old = read_sha1_file(ce->sha1, type, &size);
33 printf("--- %s\n", ce->name);
34 printf("+++ /dev/null\n");
40 printf("@@ -1,%d +0,0 @@\n", lines);
58 int main(int argc, char **argv)
61 int silent_on_nonexisting_files = 0;
62 int entries = read_cache();
65 for (i = 1; i < argc; i++) {
66 if (!strcmp(argv[i], "-s")) {
67 silent_on_nonexisting_files = silent = 1;
70 if (!strcmp(argv[i], "-q")) {
71 silent_on_nonexisting_files = 1;
74 usage("show-diff [-s] [-q]");
81 for (i = 0; i < entries; i++) {
83 struct cache_entry *ce = active_cache[i];
89 if (stat(ce->name, &st) < 0) {
90 if (errno == ENOENT && silent_on_nonexisting_files)
92 printf("%s: %s\n", ce->name, strerror(errno));
97 changed = cache_match_stat(ce, &st);
100 printf("%.*s: ", ce_namelen(ce), ce->name);
101 for (n = 0; n < 20; n++)
102 printf("%02x", ce->sha1[n]);
108 new = read_sha1_file(ce->sha1, type, &size);
109 show_differences(ce->name, new, size);