fix: [base-0k] cloning should use environment variables.

precise/base-0k/hooks/install

@@ -2,6 +2,14 @@
 
 set -eux # -x for verbose logging to juju debug-log
 
+## 0k git remote path
+GIT_0K_BASE=${GIT_0K_BASE:-"git.0k.io:/var/git"}
+
+## 0k git remote options
+GIT_0K_CLONE_OPTIONS=${GIT_0K_CLONE_OPTIONS:-""}
+
+
+
 apt-get -y install bash-completion wget bzip2 git-core less language-pack-en python-software-properties tmux sudo git
 
 
@@ -176,6 +184,6 @@ EOF
 (
     mkdir -p /opt/apps &&
     cd /opt/apps &&
-    git clone git.0k.io:/var/git/0k/git-sub &&
+    git clone $GIT_0K_CLONE_OPTIONS "$GIT_0K_BASE"/0k/git-sub &&
     ln -sf /opt/apps/git-sub/bin/git-sub /usr/lib/git-core/
 )