Add post-receive hook for automated deployments

hooks/post-receive

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+GIT_REPO=$HOME/vbrandl.git
+WORKING_DIRECTORY=$HOME/vbrandl-working
+PUBLIC_WWW="/var/www/vbrandl.net"
+BACKUP_WWW=$HOME/blog_backup
+MY_DOMAIN=www.vbrandl.net
+
+set -e
+
+rm -rf $WORKING_DIRECTORY
+rsync -aqz ${PUBLIC_WWW}/ $BACKUP_WWW
+trap "echo 'A problem occurred.  Reverting to backup.'; rsync -aqz --del $BACKUP_WWW/ $PUBLIC_WWW; rm -rf $WORKING_DIRECTORY" EXIT
+
+git clone $GIT_REPO $WORKING_DIRECTORY
+cd $WORKING_DIRECTORY
+git submodule update --init --recursive --remote
+rm -rf $PUBLIC_WWW/*
+hugo -s $WORKING_DIRECTORY -d ${PUBLIC_WWW} -b "https://${MY_DOMAIN}"
+find $PUBLIC_WWW -type f \( -name '*.html' -o -name '*.js' -o -name '*.css' -o -name '*.xml' -o -name '*.svg' \) -exec gzip -v -k -f --best {} \; -exec touch -r {} "{}.gz" \;
+rm -rf $WORKING_DIRECTORY
+trap - EXIT