Simplify checking exit code 0.

sunrise-commit

@@ -42,9 +42,7 @@ local_supported || eval 'local() {
 
 # See if we're in a repo, and what VCS are we using.
 find_repo() {
-	svn info >/dev/null 2>&1
-
-	if [ ${?} -eq 0 ]; then
+	if svn info >/dev/null 2>&1; then
 		SC_VCS=svn
 	elif hg tip 2>/dev/null; then
 		SC_VCS=hg
@@ -53,8 +51,7 @@ find_repo() {
 		remotes=$(git branch -r 2>/dev/null)
 
 		if [ ${?} -ne 127 -a ${?} -ne 128 ]; then
-			echo "${remotes}" | grep git-svn >/dev/null 2>&1
-			if [ ${?} -eq 0 ]; then
+			if echo "${remotes}" | grep git-svn >/dev/null 2>&1; then
 				SC_VCS=git-svn
 			else
 				SC_VCS=git