Change comment and always unset CD_HOME

filesystem/05-home-dir.post

@@ -249,13 +249,11 @@ maybe_create_home ()
   # c:\msys\usr\bin\bash -c "cd '%curdir'; export 
   # CHERE_INVOKING=1; exec /usr/bin/bash --login -i"
   # 
-  # Make sure we start in home unless invoked by CHERE
-  if [ ! -z "${CHERE_INVOKING}" ]; then
-    unset CHERE_INVOKING
-  elif [ "${CD_HOME}" = "yes" ]; then
-    unset CD_HOME
+  # Make sure we start in home if invoked through msys2_shell.cmd without -here option
+  if [ -z "${CHERE_INVOKING}" -a "${CD_HOME}" = "yes" ]; then
     cd "${HOME}" || echo "WARNING: Failed attempt to cd into ${HOME}!"
   fi
+  unset CHERE_INVOKING CD_HOME
 }
 
 maybe_create_home