add flarum rollback scripts

rollback/flarum/config.env

@@ -0,0 +1,6 @@
+pac=
+user=forum
+db=${pac}_flarum
+dbuser=${pac}_${user}
+dump=$HOME/var/rollback/flarum.sql
+domain=/home/doms/$(ls $HOME/doms) # Hostsharing eG specific

rollback/flarum/rollback.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -e
+
+source $HOME/scripts/config.env
+
+cd $HOME/flarum
+php ./flarum nearataMaintenanceMode:toggle true
+
+echo "syncing data..."
+rsync -aAX --delete $HOME/var/rollback/flarum/ $HOME/flarum/
+
+echo "feeding the dump..."
+mysql -u $dbuser $db < $dump
+
+php ./flarum nearataMaintenanceMode:toggle false

rollback/flarum/setstate.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+set -e
+source $HOME/scripts/config.env
+
+read -p "DANGER – everything will be made permanent. Proceed? (Yy)" -n 1 -r
+echo
+if [[ ! $REPLY =~ ^[Yy]$ ]]
+then
+    [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1
+fi
+
+cd $HOME/flarum
+
+php ./flarum nearataMaintenanceMode:toggle true
+
+echo "creating database dump..."
+mysqldump -u$dbuser $db --add-drop-table > $dump
+
+echo "syncing flarum..."
+rsync -aAX --delete /home/pacs/$pac/users/$user/flarum/ /home/pacs/$pac/users/$user/var/rollback/flarum/
+
+php ./flarum nearataMaintenanceMode:toggle false

rollback/flarum/update.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+
+echo "calling for rollback.sh"
+. $HOME/scripts/rollback.sh
+
+php ./flarum nearataMaintenanceMode:toggle true
+
+composer update --prefer-dist --no-plugins --no-dev -a --with-all-dependencies
+php flarum migrate
+php flarum cache:clear
+
+echo "calling setstate.sh to make the update permanent"
+echo "the following prompt is an opportunity to check whether the forum is still operational."
+. $HOME/scripts/setstate.sh
+
+echo
+echo "all scripts done."