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-rw-r--r--merge-recursive.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/merge-recursive.c b/merge-recursive.c
index 82f24ac16..0af77cfa5 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -21,15 +21,17 @@
#include "merge-recursive.h"
#include "dir.h"
-static struct tree *shift_tree_object(struct tree *one, struct tree *two)
+static struct tree *shift_tree_object(struct tree *one, struct tree *two,
+ const char *subtree_shift)
{
unsigned char shifted[20];
- /*
- * NEEDSWORK: this limits the recursion depth to hardcoded
- * value '2' to avoid excessive overhead.
- */
- shift_tree(one->object.sha1, two->object.sha1, shifted, 2);
+ if (!*subtree_shift) {
+ shift_tree(one->object.sha1, two->object.sha1, shifted, 0);
+ } else {
+ shift_tree_by(one->object.sha1, two->object.sha1, shifted,
+ subtree_shift);
+ }
if (!hashcmp(two->object.sha1, shifted))
return two;
return lookup_tree(shifted);
@@ -1213,9 +1215,9 @@ int merge_trees(struct merge_options *o,
{
int code, clean;
- if (o->recursive_variant == MERGE_RECURSIVE_SUBTREE) {
- merge = shift_tree_object(head, merge);
- common = shift_tree_object(head, common);
+ if (o->subtree_shift) {
+ merge = shift_tree_object(head, merge, o->subtree_shift);
+ common = shift_tree_object(head, common, o->subtree_shift);
}
if (sha_eq(common->object.sha1, merge->object.sha1)) {