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-rw-r--r--tree-diff.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/tree-diff.c b/tree-diff.c
index 1fb3e94614..cd659c6fe4 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -359,6 +359,7 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co
diff_tree_release_paths(&diff_opts);
/* Go through the new set of filepairing, and see if we find a more interesting one */
+ opt->found_follow = 0;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
@@ -376,6 +377,16 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co
diff_tree_release_paths(opt);
opt->paths[0] = xstrdup(p->one->path);
diff_tree_setup_paths(opt->paths, opt);
+
+ /*
+ * The caller expects us to return a set of vanilla
+ * filepairs to let a later call to diffcore_std()
+ * it makes to sort the renames out (among other
+ * things), but we already have found renames
+ * ourselves; signal diffcore_std() not to muck with
+ * rename information.
+ */
+ opt->found_follow = 1;
break;
}
}
@@ -412,7 +423,7 @@ int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const cha
init_tree_desc(&t1, tree1, size1);
init_tree_desc(&t2, tree2, size2);
retval = diff_tree(&t1, &t2, base, opt);
- if (DIFF_OPT_TST(opt, FOLLOW_RENAMES) && diff_might_be_rename()) {
+ if (!*base && DIFF_OPT_TST(opt, FOLLOW_RENAMES) && diff_might_be_rename()) {
init_tree_desc(&t1, tree1, size1);
init_tree_desc(&t2, tree2, size2);
try_to_follow_renames(&t1, &t2, base, opt);