Add post-merge hook, related documentation, and tests.

diff --git a/t/t5700-clone-reference.sh b/t/t5700-clone-reference.sh
index 6d432525934980050f5c0d1683a1bc5e220b6e18..4e93aaab02e7b84b4bcf6ac70515e6cf52f0dabc 100755 (executable)
--- a/t/t5700-clone-reference.sh
+++ b/t/t5700-clone-reference.sh
@@ -51,7 +51,7 @@ diff expected current'
 cd "$base_dir"
 
 test_expect_success 'cloning with reference (no -l -s)' \
-'git clone --reference B A D'
+'git clone --reference B file://`pwd`/A D'
 
 cd "$base_dir"