Don't re-install.

Signed-off-by: Benjamin C Meyer <ben@meyerhome.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/git-hooks b/git-hooks
index 40dad0a..fdb7d94 100755
--- a/git-hooks
+++ b/git-hooks
@@ -93,6 +93,10 @@ function install_hooks
     fi
     cd $GITDIR
     if [ "${1}" = "--install" ] ; then
+        if [ -d hooks.old ] ; then
+            echo "hooks.old already exists, perhaps you already installed?"
+            return 1
+        fi
         mv hooks hooks.old
         mkdir hooks
         cd hooks