#include "builtin.h"
static const char diff_files_usage[] =
-"git-diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]"
+"git-diff-files [-q] [-0/-1/2/3 |-c|--cc
|--no-index] [<common diff options>] [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
-int cmd_diff_files(int argc, const char **argv, char **envp)
+int cmd_diff_files(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
- int silent = 0;
+ int nongit = 0;
+ int result;
- init_revisions(&rev);
+ prefix = setup_git_directory_gently(&nongit);
+ init_revisions(&rev, prefix);
git_config(git_default_config); /* no "diff" UI options */
rev.abbrev = 0;
- argc = setup_revisions(argc, argv, &rev, NULL);
- while (1 < argc && argv[1][0] == '-') {
- if (!strcmp(argv[1], "--base"))
- rev.max_count = 1;
- else if (!strcmp(argv[1], "--ours"))
- rev.max_count = 2;
- else if (!strcmp(argv[1], "--theirs"))
- rev.max_count = 3;
- else if (!strcmp(argv[1], "-q"))
- silent = 1;
- else
- usage(diff_files_usage);
- argv++; argc--;
- }
+ 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;
-
- /*
- * Make sure there are NO revision (i.e. pending object) parameter,
- * rev.max_count is reasonable (0 <= n <= 3),
- * there is no other revision filtering parameters.
- */
- if (rev.pending.nr ||
- rev.min_age != -1 || rev.max_age != -1)
- usage(diff_files_usage);
- /*
- * Backward compatibility wart - "diff-files -s" used to
- * defeat the common diff option "-s" which asked for
- * DIFF_FORMAT_NO_OUTPUT.
- */
- if (rev.diffopt.output_format == DIFF_FORMAT_NO_OUTPUT)
- rev.diffopt.output_format = DIFF_FORMAT_RAW;
- return run_diff_files(&rev, silent);
+ result = run_diff_files_cmd(&rev, argc, argv);
+ if (DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS))
+ return DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES) != 0;
+ return result;
}