vim: make session optional

bin/gv

@@ -1,11 +1,15 @@
 #!/bin/sh
+if [ "$PARENT_REPO" == "" ] ; then
   PARENT_REPO=$(find-parent-repo)
   if [ "$PARENT_REPO" == "" ] ; then
       echo "You aren't in a git repository. Can't find an automatic name."
       exit 1
   fi
+fi
+
 REPO_NAME=$(basename $PARENT_REPO)
 if [ -r ${PARENT_REPO}/Session.vim ] ; then
+    if [ "$GV_NO_SESSION" != 1 ] ; then
         echo "Found ${PARENT_REPO}/Session.vim"
         if [ "$1" != "nosession" ] ; then
             echo "Restoring session"
@@ -15,5 +19,6 @@ if [ -r ${PARENT_REPO}/Session.vim ] ; then
             shift
         fi
     fi
+fi
 
 (cd $PARENT_REPO && gvim --servername $REPO_NAME $SESSION --remote "$*") ; cd $CURRENT_DIR