Earlier in this series, the patch "merge-recursive: add handling for
rename/rename/add-dest/add-dest" added code to handle the rename on each
side of history also being involved in a rename/add conflict, but only
did so in the non-recursive case. Add code for the recursive case,
ensuring that the "added" files are not simply deleted.
Signed-off-by: Elijah Newren <newren@xxxxxxxxx>
---
Completely new patch (about a problem that existed previous to v1, but which
I hadn't noticed).
merge-recursive.c | 23 +++++++++++++++++++++--
t/t6036-recursive-corner-cases.sh | 2 +-
2 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/merge-recursive.c b/merge-recursive.c
index f088132..05ba41c 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -1161,6 +1161,8 @@ static void conflict_rename_rename_1to2(struct merge_options *o,
o->call_depth ? " (left unresolved)" : "");
if (o->call_depth) {
struct merge_file_info mfi;
+ struct diff_filespec other;
+ struct diff_filespec *add;
mfi = merge_file(o, one->path,
one->sha1, one->mode,
a->sha1, a->mode,
@@ -1173,8 +1175,25 @@ static void conflict_rename_rename_1to2(struct merge_options *o,
* unique path, or use that unique path instead of src here.
*/
update_file(o, 0, mfi.sha, mfi.mode, one->path);
- remove_file_from_cache(a->path);
- remove_file_from_cache(b->path);
+
+ /*
+ * Above, we put the merged content at the merge-base's
+ * path. Now we usually need to delete both a->path and
+ * b->path. However, the rename on each side of the merge
+ * could also be involved in a rename/add conflict. In
+ * such cases, we should keep the added file around,
+ * resolving the conflict at that path in its favor.
+ */
+ add = filespec_from_entry(&other, ci->dst_entry1, 2 ^ 1);
+ if (add)
+ update_file(o, 0, add->sha1, add->mode, a->path);
+ else
+ remove_file_from_cache(a->path);
+ add = filespec_from_entry(&other, ci->dst_entry2, 3 ^ 1);
+ if (add)
+ update_file(o, 0, add->sha1, add->mode, b->path);
+ else
+ remove_file_from_cache(b->path);
} else {
handle_file(o, a, 2, ci);
handle_file(o, b, 3, ci);
diff --git a/t/t6036-recursive-corner-cases.sh b/t/t6036-recursive-corner-cases.sh
index e9c7a25..dfee7d1 100755
--- a/t/t6036-recursive-corner-cases.sh
+++ b/t/t6036-recursive-corner-cases.sh
@@ -760,7 +760,7 @@ test_expect_success 'setup criss-cross+rename/rename/add-dest + simple modify' '
git tag E
'
-test_expect_failure 'virtual merge base handles rename/rename(1to2)/add-dest' '
+test_expect_success 'virtual merge base handles rename/rename(1to2)/add-dest' '
git checkout D^0 &&
git merge -s recursive E^0 &&
--
1.7.6.100.gac5c1
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