]>
git.ipfire.org Git - thirdparty/git.git/blob - builtin/diff-index.c
9 static const char diff_cache_usage
[] =
10 "git diff-index [-m] [--cached] "
11 "[<common-diff-options>] <tree-ish> [<path>...]"
12 COMMON_DIFF_OPTIONS_HELP
;
14 int cmd_diff_index(int argc
, const char **argv
, const char *prefix
)
21 init_revisions(&rev
, prefix
);
23 git_config(git_diff_basic_config
, NULL
); /* no "diff" UI options */
25 precompose_argv(argc
, argv
);
27 argc
= setup_revisions(argc
, argv
, &rev
, NULL
);
28 for (i
= 1; i
< argc
; i
++) {
29 const char *arg
= argv
[i
];
31 if (!strcmp(arg
, "--cached"))
34 usage(diff_cache_usage
);
36 if (!rev
.diffopt
.output_format
)
37 rev
.diffopt
.output_format
= DIFF_FORMAT_RAW
;
40 * Make sure there is one revision (i.e. pending object),
41 * and there is no revision filtering parameters.
43 if (rev
.pending
.nr
!= 1 ||
44 rev
.max_count
!= -1 || rev
.min_age
!= -1 || rev
.max_age
!= -1)
45 usage(diff_cache_usage
);
48 if (read_cache_preload(&rev
.diffopt
.pathspec
) < 0) {
49 perror("read_cache_preload");
52 } else if (read_cache() < 0) {
56 result
= run_diff_index(&rev
, cached
);
57 return diff_result_code(&rev
.diffopt
, result
);