Update the file when there is a conflict with a modify/delete scenario
when using the sparse-checkout feature since the file might not be on disk
because the skip-worktree bit is on and the user will need the file and
content to determine how to resolve the conflict.
Signed-off-by: Kevin Willford <kewillf@xxxxxxxxxxxxx>
---
merge-recursive.c | 8 ++++++++
t/t7614-merge-sparse-checkout.sh | 27 +++++++++++++++++++++++++++
2 files changed, 35 insertions(+)
create mode 100755 t/t7614-merge-sparse-checkout.sh
diff --git a/merge-recursive.c b/merge-recursive.c
index b7ff1ada3c..54fce93dae 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -1103,6 +1103,14 @@ static int handle_change_delete(struct merge_options *o,
"and %s in %s. Version %s of %s left in tree."),
change, path, o->branch2, change_past,
o->branch1, o->branch1, path);
+ /*
+ * In a sparse checkout the file may not exist. Sadly,
+ * the CE_SKIP_WORKTREE flag is not preserved in the
+ * case of conflicts, therefore we do the next best
+ * thing: verify that the file exists.
+ */
+ if (!file_exists(path))
+ ret = update_file(o, 0, a_oid, a_mode, path);
} else {
output(o, 1, _("CONFLICT (%s/delete): %s deleted in %s "
"and %s in %s. Version %s of %s left in tree at %s."),
diff --git a/t/t7614-merge-sparse-checkout.sh b/t/t7614-merge-sparse-checkout.sh
new file mode 100755
index 0000000000..6922f0244f
--- /dev/null
+++ b/t/t7614-merge-sparse-checkout.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+test_description='merge can handle sparse-checkout'
+
+. ./test-lib.sh
+
+# merges with conflicts
+
+test_expect_success 'setup' '
+ test_commit a &&
+ test_commit file &&
+ git checkout -b delete-file &&
+ git rm file.t &&
+ test_tick &&
+ git commit -m "remove file" &&
+ git checkout master &&
+ test_commit modify file.t changed
+'
+
+test_expect_success 'merge conflict deleted file and modified' '
+ echo "/a" >.git/info/sparse-checkout &&
+ test_config core.sparsecheckout true &&
+ test_must_fail git merge delete-file &&
+ test_path_is_file file.t
+'
+
+test_done
--
2.12.2.windows.2.1.g7df5db8d31