From 2c62eac3a1c6ad268125ebabff15dabfece993d6 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 8 Feb 2007 19:53:21 +0000
Subject: [PATCH] * Check if Subversion is already installed.

svn path=/nixos/trunk/; revision=7886
---
 installer/nixos-checkout.sh | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/installer/nixos-checkout.sh b/installer/nixos-checkout.sh
index 8d1a13cafc2..a1defc3f1ce 100644
--- a/installer/nixos-checkout.sh
+++ b/installer/nixos-checkout.sh
@@ -2,9 +2,11 @@
 set -x
 
 # Obtain Subversion.
-nix-channel --add http://nix.cs.uu.nl/dist/nix/channels-v3/nixpkgs-unstable
-nix-channel --update
-nix-env -i subversion
+if test -z "$(type -tp svn)"; then
+    nix-channel --add http://nix.cs.uu.nl/dist/nix/channels-v3/nixpkgs-unstable
+    nix-channel --update
+    nix-env -i subversion
+fi
 
 cd /etc/nixos