Allow the test suite to pass in a directory whose name contains spaces

It is totally legitimate to clone Git's source code anywhere, including
into, say, directories whose name (or the name of its absolute path)
contains spaces.

However, a couple of tests failed to anticipate this, for lack of
quoting (or in one instance, for failure to expect more than one space
in the absolute path of the TEST_DIRECTORY). This can be easily verified
by calling these commands in your current clone:

	git clone . with\ spaces
	cd with\ spaces
	make -j15 test

Let's fix this.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t7500-commit.sh

@@ -130,8 +130,8 @@ EOF
 test_expect_success 'commit message from template with whitespace issue' '
 	echo "content galore" >>foo &&
 	git add foo &&
-	GIT_EDITOR="$TEST_DIRECTORY"/t7500/add-whitespaced-content git commit \
-		--template "$TEMPLATE" &&
+	GIT_EDITOR=\""$TEST_DIRECTORY"\"/t7500/add-whitespaced-content \
+	git commit --template "$TEMPLATE" &&
 	commit_msg_is "commit message"
 '
 

t/t9020-remote-svn.sh

@@ -25,8 +25,8 @@ init_git () {
 	git init &&
 	#git remote add svnsim testsvn::sim:///$TEST_DIRECTORY/t9020/example.svnrdump
 	# let's reuse an existing dump file!?
-	git remote add svnsim testsvn::sim://$TEST_DIRECTORY/t9154/svn.dump
-	git remote add svnfile testsvn::file://$TEST_DIRECTORY/t9154/svn.dump
+	git remote add svnsim "testsvn::sim://$TEST_DIRECTORY/t9154/svn.dump"
+	git remote add svnfile "testsvn::file://$TEST_DIRECTORY/t9154/svn.dump"
 }
 
 if test -e "$GIT_BUILD_DIR/git-remote-testsvn"

t/t9107-git-svn-migrate.sh

@@ -28,7 +28,7 @@ test_expect_success 'git-svn-HEAD is a real HEAD' '
 	git rev-parse --verify refs/heads/git-svn-HEAD^0
 '
 
-svnrepo_escaped=$(echo $svnrepo | sed 's/ /%20/')
+svnrepo_escaped=$(echo $svnrepo | sed 's/ /%20/g')
 
 test_expect_success 'initialize old-style (v0) git svn layout' '
 	mkdir -p "$GIT_DIR"/git-svn/info "$GIT_DIR"/svn/info &&