1 files changed, 126 insertions, 0 deletions
diff --git a/t/t5538-push-shallow.sh b/t/t5538-push-shallow.sh
new file mode 100755
index 0000000..e91fcc1
--- /dev/null
+++ b/t/t5538-push-shallow.sh
@@ -0,0 +1,126 @@
+#!/bin/sh
+
+test_description='push from/to a shallow clone'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+commit() {
+	echo "$1" >tracked &&
+	git add tracked &&
+	git commit -m "$1"
+}
+
+test_expect_success 'setup' '
+	git config --global transfer.fsckObjects true &&
+	commit 1 &&
+	commit 2 &&
+	commit 3 &&
+	commit 4 &&
+	git clone . full &&
+	(
+	git init full-abc &&
+	cd full-abc &&
+	commit a &&
+	commit b &&
+	commit c
+	) &&
+	git clone --no-local --depth=2 .git shallow &&
+	git --git-dir=shallow/.git log --format=%s >actual &&
+	cat <<EOF >expect &&
+4
+3
+EOF
+	test_cmp expect actual &&
+	git clone --no-local --depth=2 full-abc/.git shallow2 &&
+	git --git-dir=shallow2/.git log --format=%s >actual &&
+	cat <<EOF >expect &&
+c
+b
+EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'push from shallow clone' '
+	(
+	cd shallow &&
+	commit 5 &&
+	git push ../.git +main:refs/remotes/shallow/main
+	) &&
+	git log --format=%s shallow/main >actual &&
+	git fsck &&
+	cat <<EOF >expect &&
+5
+4
+3
+2
+1
+EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'push from shallow clone, with grafted roots' '
+	(
+	cd shallow2 &&
+	test_must_fail git push ../.git +main:refs/remotes/shallow2/main 2>err &&
+	grep "shallow2/main.*shallow update not allowed" err
+	) &&
+	test_must_fail git rev-parse shallow2/main &&
+	git fsck
+'
+
+test_expect_success 'add new shallow root with receive.updateshallow on' '
+	test_config receive.shallowupdate true &&
+	(
+	cd shallow2 &&
+	git push ../.git +main:refs/remotes/shallow2/main
+	) &&
+	git log --format=%s shallow2/main >actual &&
+	git fsck &&
+	cat <<EOF >expect &&
+c
+b
+EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'push from shallow to shallow' '
+	(
+	cd shallow &&
+	git --git-dir=../shallow2/.git config receive.shallowupdate true &&
+	git push ../shallow2/.git +main:refs/remotes/shallow/main &&
+	git --git-dir=../shallow2/.git config receive.shallowupdate false
+	) &&
+	(
+	cd shallow2 &&
+	git log --format=%s shallow/main >actual &&
+	git fsck &&
+	cat <<EOF >expect &&
+5
+4
+3
+EOF
+	test_cmp expect actual
+	)
+'
+
+test_expect_success 'push from full to shallow' '
+	! git --git-dir=shallow2/.git cat-file blob $(echo 1|git hash-object --stdin) &&
+	commit 1 &&
+	git push shallow2/.git +main:refs/remotes/top/main &&
+	(
+	cd shallow2 &&
+	git log --format=%s top/main >actual &&
+	git fsck &&
+	cat <<EOF >expect &&
+1
+4
+3
+EOF
+	test_cmp expect actual &&
+	git cat-file blob $(echo 1|git hash-object --stdin) >/dev/null
+	)
+'
+test_done