From: Elijah Newren <newren@xxxxxxxxx>
Since directory rename detection adds new paths to opt->priv->paths and
removes old ones, process_renames() needs to now check whether
pair->one->path actually exists in opt->priv->paths instead of just
assuming it does.
Signed-off-by: Elijah Newren <newren@xxxxxxxxx>
---
merge-ort.c | 26 +++++++++++++++++++++-----
1 file changed, 21 insertions(+), 5 deletions(-)
diff --git a/merge-ort.c b/merge-ort.c
index ea6a08e23e2..9e4ebd9c4d6 100644
--- a/merge-ort.c
+++ b/merge-ort.c
@@ -1411,12 +1411,28 @@ static int process_renames(struct merge_options *opt,
const char *rename_branch = NULL, *delete_branch = NULL;
old_ent = strmap_get_entry(&opt->priv->paths, pair->one->path);
- oldpath = old_ent->key;
- oldinfo = old_ent->value;
-
new_ent = strmap_get_entry(&opt->priv->paths, pair->two->path);
- newpath = new_ent->key;
- newinfo = new_ent->value;
+ if (old_ent) {
+ oldpath = old_ent->key;
+ oldinfo = old_ent->value;
+ }
+ newpath = pair->two->path;
+ if (new_ent) {
+ newpath = new_ent->key;
+ newinfo = new_ent->value;
+ }
+
+ /*
+ * If pair->one->path isn't in opt->priv->paths, that means
+ * that either directory rename detection removed that
+ * path, or a parent directory of oldpath was resolved and
+ * we don't even need the rename; in either case, we can
+ * skip it. If oldinfo->merged.clean, then the other side
+ * of history had no changes to oldpath and we don't need
+ * the rename and can skip it.
+ */
+ if (!oldinfo || oldinfo->merged.clean)
+ continue;
/*
* diff_filepairs have copies of pathnames, thus we have to
--
gitgitgadget
