test_cmp expect output
'
-test_expect_success POSIXPERM 'status succeeds in a read-only repository' '
+test_expect_success POSIXPERM,SANITY 'status succeeds in a read-only repository' '
(
chmod a-w .git &&
# make dir1/tracked stat-dirty
(exit $status)
'
-(cd sm && echo > bar && git add bar && git commit -q -m 'Add bar' && cd .. && git add sm)
+(cd sm && echo > bar && git add bar && git commit -q -m 'Add bar') && git add sm
new_head=$(cd sm && git rev-parse --short=7 --verify HEAD)
touch .gitmodules