Checking for SVN return code

themes/base.theme.bash

@@ -91,7 +91,7 @@ SVN_EXE=$(which svn  2> /dev/null || true)
 # Check for broken SVN exe that is caused by some versions of Xcode.
 # See https://github.com/Bash-it/bash-it/issues/1612 for more details.
 if [[ -x "$SVN_EXE" ]] ; then
-  if "$SVN_EXE" 2>&1 | grep -q "subversion command line tools are no longer provided" ; then
+  if ! "$SVN_EXE" --version > /dev/null 2>&1 ; then
     # Unset the SVN exe variable so that SVN commands are avoided.
     SVN_EXE=""
   fi