userdiff/perl: anchor "sub" and "package" patterns on the left

diff --git a/t/t0050-filesystem.sh b/t/t0050-filesystem.sh
index 41df6bcf279a1abc4462e63866076094cfbdedd8..1542cf6a1313963fccdf42702c620be9e05f7143 100755 (executable)
--- a/t/t0050-filesystem.sh
+++ b/t/t0050-filesystem.sh
@@ -4,22 +4,22 @@ test_description='Various filesystem issues'
 
 . ./test-lib.sh
 
-auml=`printf '\xc3\xa4'`
-aumlcdiar=`printf '\x61\xcc\x88'`
+auml=$(printf '\303\244')
+aumlcdiar=$(printf '\141\314\210')
 
 case_insensitive=
 unibad=
 no_symlinks=
 test_expect_success 'see what we expect' '
 
-       test_case=test_expect_success
-       test_unicode=test_expect_success
+       test_case=test_expect_success &&
+       test_unicode=test_expect_success &&
        mkdir junk &&
        echo good >junk/CamelCase &&
        echo bad >junk/camelcase &&
        if test "$(cat junk/CamelCase)" != good
        then
-               test_case=test_expect_failure
+               test_case=test_expect_failure &&
                case_insensitive=t
        fi &&
        rm -fr junk &&
@@ -27,7 +27,7 @@ test_expect_success 'see what we expect' '
        >junk/"$auml" &&
        case "$(cd junk && echo *)" in
        "$aumlcdiar")
-               test_unicode=test_expect_failure
+               test_unicode=test_expect_failure &&
                unibad=t
                ;;
        *)      ;;
@@ -36,7 +36,7 @@ test_expect_success 'see what we expect' '
        {
                ln -s x y 2> /dev/null &&
                test -h y 2> /dev/null ||
-               no_symlinks=1
+               no_symlinks=1 &&
                rm -f y
        }
 '
@@ -128,7 +128,7 @@ test_expect_success "setup unicode normalization tests" '
   cd unicode &&
   touch "$aumlcdiar" &&
   git add "$aumlcdiar" &&
-  git commit -m initial
+  git commit -m initial &&
   git tag initial &&
   git checkout -b topic &&
   git mv $aumlcdiar tmp &&