3beb56bde6
* jc/diff-no-no-index: git diff --no-index: default to page like other diff frontends git-diff: allow --no-index semantics a bit more "git diff": do not ignore index without --no-index diff-files: do not play --no-index games tests: do not use implicit "git diff --no-index"
64 lines
1.6 KiB
C
64 lines
1.6 KiB
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] [<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 result;
|
|
unsigned options = 0;
|
|
|
|
init_revisions(&rev, prefix);
|
|
git_config(git_diff_basic_config, NULL); /* 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"))
|
|
options |= DIFF_SILENT_ON_REMOVED;
|
|
else
|
|
usage(diff_files_usage);
|
|
argv++; argc--;
|
|
}
|
|
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), and
|
|
* there is no other revision filtering parameters.
|
|
*/
|
|
if (rev.pending.nr ||
|
|
rev.min_age != -1 || rev.max_age != -1 ||
|
|
3 < rev.max_count)
|
|
usage(diff_files_usage);
|
|
|
|
if (rev.max_count == -1 &&
|
|
(rev.diffopt.output_format & DIFF_FORMAT_PATCH))
|
|
rev.combine_merges = rev.dense_combined_merges = 1;
|
|
|
|
if (read_cache() < 0) {
|
|
perror("read_cache");
|
|
return -1;
|
|
}
|
|
result = run_diff_files(&rev, options);
|
|
return diff_result_code(&rev.diffopt, result);
|
|
}
|