From 5c58a5e8e7257d517d6763343f8aba429fcafa1d Mon Sep 17 00:00:00 2001
From: Paul Lietar <paul@lietar.net>
Date: Sat, 30 Nov 2013 02:46:42 +0000
Subject: [PATCH] Add a backup-check to avoid reimporting apps.

---
 plugins/00_dokku-standard/backup-check | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 plugins/00_dokku-standard/backup-check

diff --git a/plugins/00_dokku-standard/backup-check b/plugins/00_dokku-standard/backup-check
new file mode 100755
index 000000000..91e7bfb51
--- /dev/null
+++ b/plugins/00_dokku-standard/backup-check
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+VERSION="$1"
+IMPORT_DIR="$2"
+TARGET_DIR="$3"
+APPS="$(< $4 )"
+
+ret=0
+
+for app in $APPS; do
+  if [[ -d $TARGET_DIR/$app ]]; then
+    ret=1
+    echo "Trying to import application $app which already exists." 2>&1
+  fi
+done
+
+exit $ret
+