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-rw-r--r--diff-lib.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/diff-lib.c b/diff-lib.c
index ae8364b42a..2e91619906 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -210,11 +210,16 @@ int run_diff_files_cmd(struct rev_info *revs, int argc, const char **argv)
if (revs->max_count == -2) {
if (revs->diffopt.nr_paths != 2)
return error("need two files/directories with --no-index");
- queue_diff(&revs->diffopt, revs->diffopt.paths[0],
- revs->diffopt.paths[1]);
+ if (queue_diff(&revs->diffopt, revs->diffopt.paths[0],
+ revs->diffopt.paths[1]))
+ return -1;
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
- return 0;
+ /*
+ * The return code for --no-index imitates diff(1):
+ * 0 = no changes, 1 = changes, else error
+ */
+ return revs->diffopt.found_changes;
}
if (read_cache() < 0) {