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Diffstat (limited to 'builtin/diff-index.c')
-rw-r--r--builtin/diff-index.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/builtin/diff-index.c b/builtin/diff-index.c
index 93ec642423..176fe7ff2b 100644
--- a/builtin/diff-index.c
+++ b/builtin/diff-index.c
@@ -15,7 +15,7 @@ COMMON_DIFF_OPTIONS_HELP;
int cmd_diff_index(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
- int cached = 0;
+ unsigned int option = 0;
int i;
int result;
@@ -25,20 +25,24 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
repo_init_revisions(the_repository, &rev, prefix);
rev.abbrev = 0;
- precompose_argv(argc, argv);
+ prefix = precompose_argv_prefix(argc, argv, prefix);
argc = setup_revisions(argc, argv, &rev, NULL);
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--cached"))
- cached = 1;
+ option |= DIFF_INDEX_CACHED;
+ else if (!strcmp(arg, "--merge-base"))
+ option |= DIFF_INDEX_MERGE_BASE;
else
usage(diff_cache_usage);
}
if (!rev.diffopt.output_format)
rev.diffopt.output_format = DIFF_FORMAT_RAW;
+ rev.diffopt.rotate_to_strict = 1;
+
/*
* Make sure there is one revision (i.e. pending object),
* and there is no revision filtering parameters.
@@ -46,7 +50,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
if (rev.pending.nr != 1 ||
rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1)
usage(diff_cache_usage);
- if (!cached) {
+ if (!(option & DIFF_INDEX_CACHED)) {
setup_work_tree();
if (read_cache_preload(&rev.diffopt.pathspec) < 0) {
perror("read_cache_preload");
@@ -56,7 +60,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
perror("read_cache");
return -1;
}
- result = run_diff_index(&rev, cached);
+ result = run_diff_index(&rev, option);
UNLEAK(rev);
return diff_result_code(&rev.diffopt, result);
}