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-rw-r--r--builtin-diff.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/builtin-diff.c b/builtin-diff.c
index 28b660a780..4efbb8237b 100644
--- a/builtin-diff.c
+++ b/builtin-diff.c
@@ -215,7 +215,10 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
git_config(git_diff_ui_config);
init_revisions(&rev, prefix);
- argc = setup_revisions(argc, argv, &rev, NULL);
+ if (!setup_diff_no_index(&rev, argc, argv, nongit, prefix))
+ argc = 0;
+ else
+ argc = setup_revisions(argc, argv, &rev, NULL);
if (!rev.diffopt.output_format) {
rev.diffopt.output_format = DIFF_FORMAT_PATCH;
if (diff_setup_done(&rev.diffopt) < 0)