Fix tests breaking when checkout path contains shell metacharacters

This fixes the remainder of the issues where the test script itself is at
fault for failing when the git checkout path contains whitespace or other
shell metacharacters.

The majority of git svn tests used the idiom

  test_expect_success "title" "test script using $svnrepo"

These were changed to have the test script in single-quotes:

  test_expect_success "title" 'test script using "$svnrepo"'

which unfortunately makes the patch appear larger than it really is.

One consequence of this change is that in the verbose test output the
value of $svnrepo (and in some cases other variables, too) is no
longer expanded, i.e. previously we saw

  * expecting success:
	test script using /path/to/git/t/trash/svnrepo

but now it is:

  * expecting success:
	test script using "$svnrepo"

Signed-off-by: Bryan Donlan <bdonlan@fushizen.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t9400-git-cvsserver-server.sh b/t/t9400-git-cvsserver-server.sh
index 166b43f..e97aaa6 100755
--- a/t/t9400-git-cvsserver-server.sh
+++ b/t/t9400-git-cvsserver-server.sh
@@ -153,21 +153,21 @@
    tail log | grep "^error 1 Conflicting roots specified$"'
 
 test_expect_success 'req_Root (strict paths)' \
-  'cat request-anonymous | git-cvsserver --strict-paths pserver $SERVERDIR >log 2>&1 &&
+  'cat request-anonymous | git-cvsserver --strict-paths pserver "$SERVERDIR" >log 2>&1 &&
    sed -ne \$p log | grep "^I LOVE YOU$"'
 
 test_expect_success 'req_Root failure (strict-paths)' '
     ! cat request-anonymous |
-    git-cvsserver --strict-paths pserver $WORKDIR >log 2>&1
+    git-cvsserver --strict-paths pserver "$WORKDIR" >log 2>&1
 '
 
 test_expect_success 'req_Root (w/o strict-paths)' \
-  'cat request-anonymous | git-cvsserver pserver $WORKDIR/ >log 2>&1 &&
+  'cat request-anonymous | git-cvsserver pserver "$WORKDIR/" >log 2>&1 &&
    sed -ne \$p log | grep "^I LOVE YOU$"'
 
 test_expect_success 'req_Root failure (w/o strict-paths)' '
     ! cat request-anonymous |
-    git-cvsserver pserver $WORKDIR/gitcvs >log 2>&1
+    git-cvsserver pserver "$WORKDIR/gitcvs" >log 2>&1
 '
 
 cat >request-base  <<EOF
@@ -180,25 +180,25 @@
 EOF
 
 test_expect_success 'req_Root (base-path)' \
-  'cat request-base | git-cvsserver --strict-paths --base-path $WORKDIR/ pserver $SERVERDIR >log 2>&1 &&
+  'cat request-base | git-cvsserver --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" >log 2>&1 &&
    sed -ne \$p log | grep "^I LOVE YOU$"'
 
 test_expect_success 'req_Root failure (base-path)' '
     ! cat request-anonymous |
-    git-cvsserver --strict-paths --base-path $WORKDIR pserver $SERVERDIR >log 2>&1
+    git-cvsserver --strict-paths --base-path "$WORKDIR" pserver "$SERVERDIR" >log 2>&1
 '
 
 GIT_DIR="$SERVERDIR" git config --bool gitcvs.enabled false || exit 1
 
 test_expect_success 'req_Root (export-all)' \
-  'cat request-anonymous | git-cvsserver --export-all pserver $WORKDIR >log 2>&1 &&
+  'cat request-anonymous | git-cvsserver --export-all pserver "$WORKDIR" >log 2>&1 &&
    sed -ne \$p log | grep "^I LOVE YOU$"'
 
 test_expect_success 'req_Root failure (export-all w/o whitelist)' \
   '! (cat request-anonymous | git-cvsserver --export-all pserver >log 2>&1 || false)'
 
 test_expect_success 'req_Root (everything together)' \
-  'cat request-base | git-cvsserver --export-all --strict-paths --base-path $WORKDIR/ pserver $SERVERDIR >log 2>&1 &&
+  'cat request-base | git-cvsserver --export-all --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" >log 2>&1 &&
    sed -ne \$p log | grep "^I LOVE YOU$"'
 
 GIT_DIR="$SERVERDIR" git config --bool gitcvs.enabled true || exit 1