From 1a0cd7179a51141bccf9df675987f15cbd130223 Mon Sep 17 00:00:00 2001
From: pablo <mendez4a@gmail.com>
Date: Wed, 25 Aug 2021 17:22:25 +0200
Subject: [PATCH] Uninstall dappnode on error

---
 scripts/dappnode_install.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/scripts/dappnode_install.sh b/scripts/dappnode_install.sh
index ddc6b0d..6f5b06c 100755
--- a/scripts/dappnode_install.sh
+++ b/scripts/dappnode_install.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 
 #############
 # VARIABLES #
@@ -283,6 +284,13 @@ installExtraDpkg() {
     fi
 }
 
+rollback() {
+    echo -e "\e[33m[ERROR]\e[0m something went wrong, uninstalling dappnode"
+    wget -qO - https://uninstaller.dappnode.io | bash
+    echo -e "Uninstalled dappnode"
+    exit 1
+}
+
 ##############################################
 ####             SCRIPT START             ####
 ##############################################
@@ -334,4 +342,7 @@ if [ -f "/usr/src/dappnode/.firstboot" ]; then
     exit 0
 fi
 
+# Rollback on error: https://medium.com/@dirk.avery/the-bash-trap-trap-ce6083f36700
+trap 'rollback' EXIT
+
 exit 0