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git/builtin-diff-index.c
Peter Eriksen e8cc9cd98e Builtin git-diff-files, git-diff-index, git-diff-stages, and git-diff-tree.
Signed-off-by: Peter Eriksen <s022018@student.dtu.dk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-05-23 13:11:13 -07:00

39 lines
941 B
C

#include "cache.h"
#include "diff.h"
#include "commit.h"
#include "revision.h"
#include "builtin.h"
static const char diff_cache_usage[] =
"git-diff-index [-m] [--cached] "
"[<common diff options>] <tree-ish> [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
int cmd_diff_index(int argc, const char **argv, char **envp)
{
struct rev_info rev;
int cached = 0;
int i;
git_config(git_diff_config);
init_revisions(&rev);
rev.abbrev = 0;
argc = setup_revisions(argc, argv, &rev, NULL);
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--cached"))
cached = 1;
else
usage(diff_cache_usage);
}
/*
* Make sure there is one revision (i.e. pending object),
* and there is no revision filtering parameters.
*/
if (!rev.pending_objects || rev.pending_objects->next ||
rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1)
usage(diff_cache_usage);
return run_diff_index(&rev, cached);
}