git-commit-vandalism/builtin-diff-files.c
Alex Riesen 41bbf9d585 Allow git-diff exit with codes similar to diff(1)
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>
2007-03-14 16:21:19 -07:00

36 lines
961 B
C

/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
#include "diff.h"
#include "commit.h"
#include "revision.h"
#include "builtin.h"
static const char diff_files_usage[] =
"git-diff-files [-q] [-0/-1/2/3 |-c|--cc|-n|--no-index] [<common diff options>] [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
int cmd_diff_files(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
int nongit = 0;
int result;
prefix = setup_git_directory_gently(&nongit);
init_revisions(&rev, prefix);
git_config(git_default_config); /* no "diff" UI options */
rev.abbrev = 0;
if (!setup_diff_no_index(&rev, argc, argv, nongit, prefix))
argc = 0;
else
argc = setup_revisions(argc, argv, &rev, NULL);
if (!rev.diffopt.output_format)
rev.diffopt.output_format = DIFF_FORMAT_RAW;
result = run_diff_files_cmd(&rev, argc, argv);
return rev.diffopt.exit_with_status ? rev.diffopt.has_changes: result;
}