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-rw-r--r--apply.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/apply.c b/apply.c
index 4ed4b27169..43a0aebf4e 100644
--- a/apply.c
+++ b/apply.c
@@ -3468,6 +3468,21 @@ static int load_preimage(struct apply_state *state,
return 0;
}
+static int resolve_to(struct image *image, const struct object_id *result_id)
+{
+ unsigned long size;
+ enum object_type type;
+
+ clear_image(image);
+
+ image->buf = read_object_file(result_id, &type, &size);
+ if (!image->buf || type != OBJ_BLOB)
+ die("unable to read blob object %s", oid_to_hex(result_id));
+ image->len = size;
+
+ return 0;
+}
+
static int three_way_merge(struct apply_state *state,
struct image *image,
char *path,
@@ -3479,6 +3494,12 @@ static int three_way_merge(struct apply_state *state,
mmbuffer_t result = { NULL };
int status;
+ /* resolve trivial cases first */
+ if (oideq(base, ours))
+ return resolve_to(image, theirs);
+ else if (oideq(base, theirs) || oideq(ours, theirs))
+ return resolve_to(image, ours);
+
read_mmblob(&base_file, base);
read_mmblob(&our_file, ours);
read_mmblob(&their_file, theirs);