From 557d5558588e647dddb352c0174a0ea57c6e3637 Mon Sep 17 00:00:00 2001
From: Paul Lietar <paul@lietar.net>
Date: Wed, 20 Nov 2013 20:42:15 +0000
Subject: [PATCH] Delete the /cache directory's contents from inside the
 container.

Fixes #322.
Buildpacks write into /cache as root, which made the delete command unable
to delete it.
Its contents are now deleted using "docker run", and thus as root.
---
 plugins/00_dokku-standard/pre-delete | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100755 plugins/00_dokku-standard/pre-delete

diff --git a/plugins/00_dokku-standard/pre-delete b/plugins/00_dokku-standard/pre-delete
new file mode 100755
index 000000000..8e057941a
--- /dev/null
+++ b/plugins/00_dokku-standard/pre-delete
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+
+APP="$1"
+IMAGE=app/"$1"
+CACHE_DIR="$HOME/$APP/cache"
+
+docker run -v $CACHE_DIR:/cache $IMAGE find /cache -depth -mindepth 1 -maxdepth 1 -exec rm -Rf {} \;
+
+