( chks="sub1 sub2 sub3 sub4" && chks_sub=$(cat <<TXT | sed 's,^,sub dir/,' $chks TXT ) && chkms="main-sub1 main-sub2 main-sub3 main-sub4" && chkms_sub=$(cat <<TXT | sed 's,^,sub dir/,' $chkms TXT ) && subfiles=$(git ls-files) && check_equal "$subfiles" "$chkms $chks" )