1 files changed, 78 insertions, 0 deletions
diff --git a/t/t5306-pack-nobase.sh b/t/t5306-pack-nobase.sh
new file mode 100755
index 0000000..0d50c6b
--- /dev/null
+++ b/t/t5306-pack-nobase.sh
@@ -0,0 +1,78 @@
+#!/bin/sh
+#
+# Copyright (c) 2008 Google Inc.
+#
+
+test_description='git-pack-object with missing base
+
+'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+# Create A-B chain
+#
+test_expect_success 'setup base' '
+	test_write_lines a b c d e f g h i >text &&
+	echo side >side &&
+	git update-index --add text side &&
+	A=$(echo A | git commit-tree $(git write-tree)) &&
+
+	echo m >>text &&
+	git update-index text &&
+	B=$(echo B | git commit-tree $(git write-tree) -p $A) &&
+	git update-ref HEAD $B
+'
+
+# Create repository with C whose parent is B.
+# Repository contains C, C^{tree}, C:text, B, B^{tree}.
+# Repository is missing B:text (best delta base for C:text).
+# Repository is missing A (parent of B).
+# Repository is missing A:side.
+#
+test_expect_success 'setup patch_clone' '
+	base_objects=$(pwd)/.git/objects &&
+	(mkdir patch_clone &&
+	cd patch_clone &&
+	git init &&
+	echo "$base_objects" >.git/objects/info/alternates &&
+	echo q >>text &&
+	git read-tree $B &&
+	git update-index text &&
+	git update-ref HEAD $(echo C | git commit-tree $(git write-tree) -p $B) &&
+	rm .git/objects/info/alternates &&
+
+	git --git-dir=../.git cat-file commit $B |
+	git hash-object -t commit -w --stdin &&
+
+	git --git-dir=../.git cat-file tree "$B^{tree}" |
+	git hash-object -t tree -w --stdin
+	) &&
+	C=$(git --git-dir=patch_clone/.git rev-parse HEAD)
+'
+
+# Clone patch_clone indirectly by cloning base and fetching.
+#
+test_expect_success 'indirectly clone patch_clone' '
+	(mkdir user_clone &&
+	 cd user_clone &&
+	 git init &&
+	 git pull ../.git &&
+	 test $(git rev-parse HEAD) = $B &&
+
+	 git pull ../patch_clone/.git &&
+	 test $(git rev-parse HEAD) = $C
+	)
+'
+
+# Cloning the patch_clone directly should fail.
+#
+test_expect_success 'clone of patch_clone is incomplete' '
+	(mkdir user_direct &&
+	 cd user_direct &&
+	 git init &&
+	 test_must_fail git fetch ../patch_clone/.git
+	)
+'
+
+test_done