Merge branch 'rs/diff-quiet-no-rename'

As "git diff --quiet" only cares about the existence of any
changes, disable rename/copy detection to skip more expensive
processing whose result will be discarded anyway.

* rs/diff-quiet-no-rename:
  diff: disable rename detection with --quiet

1 files changed, 2 insertions, 0 deletions

diff --git a/diff.c b/diff.c
index a1961526c0..efa8d9773c 100644
--- a/diff.c
+++ b/diff.c
@@ -4987,6 +4987,8 @@ void diff_setup_done(struct diff_options *options)
 	if (options->flags.quick) {
 		options->output_format = DIFF_FORMAT_NO_OUTPUT;
 		options->flags.exit_with_status = 1;
+		options->detect_rename = 0;
+		options->flags.find_copies_harder = 0;
 	}
 
 	/*