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-rw-r--r--diff.c36
1 files changed, 27 insertions, 9 deletions
diff --git a/diff.c b/diff.c
index 954ca83..d8f9242 100644
--- a/diff.c
+++ b/diff.c
@@ -1958,6 +1958,23 @@ int diff_setup_done(struct diff_options *options)
if (options->abbrev <= 0 || 40 < options->abbrev)
options->abbrev = 40; /* full */
+ /*
+ * It does not make sense to show the first hit we happened
+ * to have found. It does not make sense not to return with
+ * exit code in such a case either.
+ */
+ if (options->quiet) {
+ options->output_format = DIFF_FORMAT_NO_OUTPUT;
+ options->exit_with_status = 1;
+ }
+
+ /*
+ * If we postprocess in diffcore, we cannot simply return
+ * upon the first hit. We need to run diff as usual.
+ */
+ if (options->pickaxe || options->filter)
+ options->quiet = 0;
+
return 0;
}
@@ -2134,6 +2151,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
options->color_diff = options->color_diff_words = 1;
else if (!strcmp(arg, "--no-renames"))
options->detect_rename = 0;
+ else if (!strcmp(arg, "--exit-code"))
+ options->exit_with_status = 1;
+ else if (!strcmp(arg, "--quiet"))
+ options->quiet = 1;
else
return 0;
return 1;
@@ -2898,6 +2919,8 @@ static void diffcore_apply_filter(const char *filter)
void diffcore_std(struct diff_options *options)
{
+ if (options->quiet)
+ return;
if (options->break_opt != -1)
diffcore_break(options->break_opt);
if (options->detect_rename)
@@ -2910,18 +2933,11 @@ void diffcore_std(struct diff_options *options)
diffcore_order(options->orderfile);
diff_resolve_rename_copy();
diffcore_apply_filter(options->filter);
-}
-
-void diffcore_std_no_resolve(struct diff_options *options)
-{
- if (options->pickaxe)
- diffcore_pickaxe(options->pickaxe, options->pickaxe_opts);
- if (options->orderfile)
- diffcore_order(options->orderfile);
- diffcore_apply_filter(options->filter);
+ options->has_changes = !!diff_queued_diff.nr;
}
+
void diff_addremove(struct diff_options *options,
int addremove, unsigned mode,
const unsigned char *sha1,
@@ -2957,6 +2973,7 @@ void diff_addremove(struct diff_options *options,
fill_filespec(two, sha1, mode);
diff_queue(&diff_queued_diff, one, two);
+ options->has_changes = 1;
}
void diff_change(struct diff_options *options,
@@ -2982,6 +2999,7 @@ void diff_change(struct diff_options *options,
fill_filespec(two, new_sha1, new_mode);
diff_queue(&diff_queued_diff, one, two);
+ options->has_changes = 1;
}
void diff_unmerge(struct diff_options *options,