[PATCH] merge-recur: if there is no common ancestor, fake empty one
This fixes the coolest merge ever.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
This was a forgotten part from the python version.
merge-recursive.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/merge-recursive.c b/merge-recursive.c
index 7a93dd9..f5b547b 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -1223,6 +1223,18 @@ int merge(struct commit *h1,
output_commit_title(iter->item);
merged_common_ancestors = pop_commit(&ca);
+ if (merged_common_ancestors == NULL) {
+ /* if there is no common ancestor, make an empty tree */
+ struct tree *tree = xcalloc(1, sizeof(struct tree));
+ char buffer[40];
+ int hdrlen;
+
+ tree->object.parsed = 1;
+ tree->object.type = OBJ_TREE;
+ *write_sha1_file_prepare(NULL, 0, tree_type, &tree->object.sha1,
+ buffer, &hdrlen);
+ merged_common_ancestors = make_virtual_commit(tree, "ancestor");
+ }
for (iter = ca; iter; iter = iter->next) {
output_indent = call_depth + 1;
--
1.4.2.rc3.g29d0-dirty
Johannes Schindelin <johannes.schindelin@gmx.de>