mirror of
https://github.com/git/git
synced 2024-08-28 12:09:19 +00:00
62c64895cf
"git diff" has a --check option that can be used to check for whitespace problems but it only reported by printing warnings to the console. Now when the --check option is used we give a non-zero exit status, making "git diff --check" nicer to use in scripts and hooks. Signed-off-by: Wincent Colaiuta <win@wincent.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
53 lines
1.3 KiB
C
53 lines
1.3 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);
|
|
if (DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS))
|
|
return DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES) != 0;
|
|
if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF)
|
|
return DIFF_OPT_TST(&rev.diffopt, CHECK_FAILED) != 0;
|
|
return result;
|
|
}
|