bin/learn-test-wip in learn-test-3.2.0 vs bin/learn-test-wip in learn-test-3.2.1.pre.1

@@ -37,12 +37,12 @@
 	-r --reflog               - show changes in reflog
 	-s --stat                 - show diffstat
 "
 
 SUBDIRECTORY_OK=Yes
-OPTIONS_SPEC=
+OPTIONS_SPEC=''
 
-. "$(git --exec-path)/git-sh-setup"
+source "$(git --exec-path)/git-sh-setup"
 
 require_work_tree
 
 TMP="$GIT_DIR/.git-wip.$$"
 trap 'rm -f "$TMP-*"' 0