From 7c744aa45a4f9470964725d4180c76f53cc814a0 Mon Sep 17 00:00:00 2001
From: Matthieu Fronton <fronton@ekino.com>
Date: Thu, 16 Aug 2012 09:02:51 +0200
Subject: [PATCH] adding rollback feature of the config files (only if install
 haven't started yet)

---
 install_yunohost | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/install_yunohost b/install_yunohost
index aced745..7fe6df1 100755
--- a/install_yunohost
+++ b/install_yunohost
@@ -7,8 +7,10 @@ function bck {
     cp -r --preserve=all "$FULLPATH" "$DST/$(basename $FULLPATH)"
 }
 
-function restore {
-    # TODO
+function rst {
+    [[ ! -d "$LEGACY" ]] && echo >&2 "Rollback failed : Unknown folder $LEGACY" && exit $ERR_FAIL_RESTORE
+    mv -fv "$LEGACY"/* /
+    [[ $? -ne 0 ]] && echo >&2 "Rollback failed" && exit $ERR_FAIL_RESTORE
 }
 
 # TODO : test if the script is executed as root
@@ -113,8 +115,9 @@ then
 	if [[ $? -ne 0 ]]
 	then
 			# TODO : rollback (restore legacy configuration for hostname, sources.list, ...)
-			echo "Update Repo Failure"
-			exit 1
+			echo "Update Repo Failure : Rolling back"
+            rst "$LEGACY"
+			exit $ERR_FAIL_UPDATE
 	fi
 	
 	echo "======== Install ========"