receive-pack: detect aliased updates which can occur with symrefs

diff --git a/t/t5700-clone-reference.sh b/t/t5700-clone-reference.sh
index b53c3ff956ed65242b3925810550f6eb051254d9..1c109160690d273451f7a089be42e45f36a3b5bb 100755 (executable)
--- a/t/t5700-clone-reference.sh
+++ b/t/t5700-clone-reference.sh
@@ -52,13 +52,13 @@ diff expected current'
 
 cd "$base_dir"
 
-rm -f $U
+rm -f "$U"
 
 test_expect_success 'cloning with reference (no -l -s)' \
-'GIT_DEBUG_SEND_PACK=3 git clone --reference B file://`pwd`/A D 3>$U'
+'GIT_DEBUG_SEND_PACK=3 git clone --reference B "file://$(pwd)/A" D 3>"$U"'
 
 test_expect_success 'fetched no objects' \
-'! grep "^want" $U'
+'! grep "^want" "$U"'
 
 cd "$base_dir"
 
@@ -141,4 +141,9 @@ test_expect_success 'cloning alternate repo #1, using #2 as reference' \
 
 cd "$base_dir"
 
+test_expect_success 'cloning with reference being subset of source (-l -s)' \
+'git clone -l -s --reference A B E'
+
+cd "$base_dir"
+
 test_done