Merge branch 'ds/disable-replace-refs'

Introduce a mechanism to disable replace refs globally and per
repository.

* ds/disable-replace-refs:
  repository: create read_replace_refs setting
  replace-objects: create wrapper around setting
  repository: create disable_replace_refs()

1 files changed, 40 insertions, 0 deletions

diff --git a/t/t7814-grep-recurse-submodules.sh b/t/t7814-grep-recurse-submodules.sh
index 8143817b19..d37c83b464 100755
--- a/t/t7814-grep-recurse-submodules.sh
+++ b/t/t7814-grep-recurse-submodules.sh
@@ -594,4 +594,44 @@ test_expect_success 'grep partially-cloned submodule' '
 	)
 '
 
+test_expect_success 'check scope of core.useReplaceRefs' '
+	git init base &&
+	git init base/sub &&
+
+	echo A >base/a &&
+	echo B >base/b &&
+	echo C >base/sub/c &&
+	echo D >base/sub/d &&
+
+	git -C base/sub add c d &&
+	git -C base/sub commit -m "Add files" &&
+
+	git -C base submodule add ./sub &&
+	git -C base add a b sub &&
+	git -C base commit -m "Add files and submodule" &&
+
+	A=$(git -C base rev-parse HEAD:a) &&
+	B=$(git -C base rev-parse HEAD:b) &&
+	C=$(git -C base/sub rev-parse HEAD:c) &&
+	D=$(git -C base/sub rev-parse HEAD:d) &&
+
+	git -C base replace $A $B &&
+	git -C base/sub replace $C $D &&
+
+	test_must_fail git -C base grep --cached --recurse-submodules A &&
+	test_must_fail git -C base grep --cached --recurse-submodules C &&
+
+	git -C base config core.useReplaceRefs false &&
+	git -C base grep --recurse-submodules A &&
+	test_must_fail git -C base grep --cached --recurse-submodules C &&
+
+	git -C base/sub config core.useReplaceRefs false &&
+	git -C base grep --cached --recurse-submodules A &&
+	git -C base grep --cached --recurse-submodules C &&
+
+	git -C base config --unset core.useReplaceRefs &&
+	test_must_fail git -C base grep --cached --recurse-submodules A &&
+	git -C base grep --cached --recurse-submodules C
+'
+
 test_done