echo $tree
'
+blob=$(git hash-object "$TEST_DIRECTORY/diff-lib/COPYING")
test_expect_success 'prepare work tree' '
cp path0/COPYING path1/COPYING &&
git update-index --add --remove path0/COPYING path1/COPYING
# path1 both have COPYING and the latter is a copy of path0/COPYING.
# Comparing the full tree with cache should tell us so.
-cat >expected <<\EOF
-:100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 6ff87c4664981e4397625791c8ea3bbb5f2279a3 C100 path0/COPYING path1/COPYING
+cat >expected <<EOF
+:100644 100644 $blob $blob C100 path0/COPYING path1/COPYING
EOF
test_expect_success 'copy detection' '
# path1/COPYING suddenly appearing from nowhere, not detected as
# a copy from path0/COPYING.
-cat >expected <<\EOF
-:000000 100644 0000000000000000000000000000000000000000 6ff87c4664981e4397625791c8ea3bbb5f2279a3 A path1/COPYING
+cat >expected <<EOF
+:000000 100644 $ZERO_OID $blob A path1/COPYING
EOF
test_expect_success 'copy, limited to a subtree' '
# path0/COPYING. Showing the full tree with cache should tell us about
# the rename.
-cat >expected <<\EOF
-:100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 6ff87c4664981e4397625791c8ea3bbb5f2279a3 R100 path0/COPYING path1/COPYING
+cat >expected <<EOF
+:100644 100644 $blob $blob R100 path0/COPYING path1/COPYING
EOF
test_expect_success 'rename detection' '
# path0/COPYING. When we say we care only about path1, we should just
# see path1/COPYING appearing from nowhere.
-cat >expected <<\EOF
-:000000 100644 0000000000000000000000000000000000000000 6ff87c4664981e4397625791c8ea3bbb5f2279a3 A path1/COPYING
+cat >expected <<EOF
+:000000 100644 $ZERO_OID $blob A path1/COPYING
EOF
test_expect_success 'rename, limited to a subtree' '