sane_grep: pass "-a" if grep accepts it

diff --git a/merge-recursive.c b/merge-recursive.c
index 44d85bea4b678b761d737f0983ed8e7757478cc8..b446df9c1da0db2e21918f188b85536960d306f2 100644 (file)
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -1531,13 +1531,17 @@ static int read_sha1_strbuf(const unsigned char *sha1, struct strbuf *dst)
 }
 
 static int blob_unchanged(const unsigned char *o_sha,
+                         unsigned o_mode,
                          const unsigned char *a_sha,
+                         unsigned a_mode,
                          int renormalize, const char *path)
 {
        struct strbuf o = STRBUF_INIT;
        struct strbuf a = STRBUF_INIT;
        int ret = 0; /* assume changed for safety */
 
+       if (a_mode != o_mode)
+               return 0;
        if (sha_eq(o_sha, a_sha))
                return 1;
        if (!renormalize)
@@ -1723,8 +1727,8 @@ static int process_entry(struct merge_options *o,
        } else if (o_sha && (!a_sha || !b_sha)) {
                /* Case A: Deleted in one */
                if ((!a_sha && !b_sha) ||
-                   (!b_sha && blob_unchanged(o_sha, a_sha, normalize, path)) ||
-                   (!a_sha && blob_unchanged(o_sha, b_sha, normalize, path))) {
+                   (!b_sha && blob_unchanged(o_sha, o_mode, a_sha, a_mode, normalize, path)) ||
+                   (!a_sha && blob_unchanged(o_sha, o_mode, b_sha, b_mode, normalize, path))) {
                        /* Deleted in both or deleted in one and
                         * unchanged in the other */
                        if (a_sha)