xdiff: PATIENCE/HISTOGRAM are not independent option bits

diff --git a/submodule.c b/submodule.c
index 0b709bc2914335853e7525076f5e1d026d5dd779..0fd10a0fdbf5d1af10819dea808b43f6b13b98a8 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -794,7 +794,7 @@ static void print_commit(struct commit *commit)
 
 int merge_submodule(unsigned char result[20], const char *path,
                    const unsigned char base[20], const unsigned char a[20],
-                   const unsigned char b[20])
+                   const unsigned char b[20], int search)
 {
        struct commit *commit_base, *commit_a, *commit_b;
        int parent_count;
@@ -849,6 +849,10 @@ int merge_submodule(unsigned char result[20], const char *path,
         * user needs to confirm the resolution.
         */
 
+       /* Skip the search if makes no sense to the calling context.  */
+       if (!search)
+               return 0;
+
        /* find commit which merges them */
        parent_count = find_first_merges(&merges, path, commit_a, commit_b);
        switch (parent_count) {