mirror of
https://github.com/git/git.git
synced 2024-11-16 22:14:53 +01:00
41bbf9d585
This introduces a new command-line option: --exit-code. The diff programs will return 1 for differences, return 0 for equality, and something else for errors. Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
48 lines
1.2 KiB
C
48 lines
1.2 KiB
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, const char *prefix)
|
|
{
|
|
struct rev_info rev;
|
|
int cached = 0;
|
|
int i;
|
|
int result;
|
|
|
|
init_revisions(&rev, prefix);
|
|
git_config(git_default_config); /* no "diff" UI options */
|
|
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);
|
|
}
|
|
if (!rev.diffopt.output_format)
|
|
rev.diffopt.output_format = DIFF_FORMAT_RAW;
|
|
|
|
/*
|
|
* Make sure there is one revision (i.e. pending object),
|
|
* and there is no revision filtering parameters.
|
|
*/
|
|
if (rev.pending.nr != 1 ||
|
|
rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1)
|
|
usage(diff_cache_usage);
|
|
if (read_cache() < 0) {
|
|
perror("read_cache");
|
|
return -1;
|
|
}
|
|
result = run_diff_index(&rev, cached);
|
|
return rev.diffopt.exit_with_status ? rev.diffopt.has_changes: result;
|
|
}
|