diff --git a/bin/startRuby b/bin/startRuby
index 06abcbe..1c2d1b7 100755
--- a/bin/startRuby
+++ b/bin/startRuby
@@ -19,25 +19,32 @@
   ssh -F /usr/koeki/etc/gbrepo/.ssh/config "$@"
 }
 start() {
-  if [ ! -s $HOME/.gitconfig ]; then
-    if ! grep -q user.email $HOME/.gitconfig; then
-      if [ -s $HOME/.email ]; then
-	email=`grep -v '^#' $HOME/.email|head -1`
-      else
-	email=$user@$edom
-      fi
-      getent passwd `logname` | if IFS=: read u p uid gid gecos rest; then
-	git config --global user.name  "$gecos"
-	git config --global user.email "$email"
-      fi
+  if ! grep -q "email.*$USER" $HOME/.gitconfig; then
+    if [ -s $HOME/.email ]; then
+      email=`grep -v '^#' $HOME/.email|head -1`
+    else
+      email=$USER@$edom
+    fi
+    getent passwd `logname` | if IFS=: read u p uid gid gecos rest; then
+      git config --global user.name  "$gecos"
+      git config --global user.email "$email"
     fi
   fi
   if [ -d $HOME/Ruby/.git ]; then
     git -C $HOME/Ruby pull
     exit $?
+  elif [ -d $HOME/Ruby ]; then
+    td=`mktemp -d -t startRuby`
+    if [ -n "$td" -a -w "$td" ]; then
+      trap "rm -rf "$td"" INT HUP EXIT TERM
+      (cd "$td"
+       git clone "$repo" && rsync -axH Ruby $HOME
+      )
+    fi
+  else
+    git clone $repo
   fi
   
-  git clone $repo
   (cd $HOME/Ruby
    git config pull.rebase true
    git config --add merge.ff false