1#include "cache.h"
2#include "diff.h"
3#include "commit.h"
4#include "revision.h"
5static const char diff_cache_usage[] =
7"git-diff-index [-m] [--cached] "
8"[<common diff options>] <tree-ish> [<path>...]"
9COMMON_DIFF_OPTIONS_HELP;
10int main(int argc, const char **argv)
12{
13 struct rev_info rev;
14 int match_missing = 0;
15 int cached = 0;
16 int i;
17 git_config(git_diff_config);
19 init_revisions(&rev);
20 rev.abbrev = 0;
21 argc = setup_revisions(argc, argv, &rev, NULL);
23 for (i = 1; i < argc; i++) {
24 const char *arg = argv[i];
25
26 if (!strcmp(arg, "--cached"))
27 cached = 1;
28 else
29 usage(diff_cache_usage);
30 }
31 /*
32 * Make sure there is one revision (i.e. pending object),
33 * and there is no revision filtering parameters.
34 */
35 if (!rev.pending_objects || rev.pending_objects->next ||
36 rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1)
37 usage(diff_cache_usage);
38 return run_diff_index(&rev, cached);
39}