pihole_ynh/scripts/change_url

#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# RETRIEVE ARGUMENTS
#=================================================

old_domain=$YNH_APP_OLD_DOMAIN
old_path=$YNH_APP_OLD_PATH

new_domain=$YNH_APP_NEW_DOMAIN
new_path=$YNH_APP_NEW_PATH

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK THE SYNTAX OF THE PATHS
#=================================================

test -n "$old_path" || old_path="/"
test -n "$new_path" || new_path="/"
new_path=$(ynh_normalize_url_path $new_path)
old_path=$(ynh_normalize_url_path $old_path)

#=================================================
# CHECK WHICH PARTS SHOULD BE CHANGED
#=================================================

change_domain=0
if [ "$old_domain" != "$new_domain" ]
then
	change_domain=1
fi

change_path=0
if [ "$old_path" != "$new_path" ]
then
	change_path=1
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================

if [ $change_domain -eq 0 ]
then
	# Backup the current version of the app
	ynh_backup_before_upgrade
	ynh_clean_setup () {
		# restore it if the upgrade fails
		ynh_restore_upgradebackup
	}
	# Exit if an error occurs during the execution of the script
	ynh_abort_if_errors
fi

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# MODIFY URL IN NGINX CONF
#=================================================

nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf

# Change the path in the nginx config file
if [ $change_path -eq 1 ]
then
	ynh_replace_string "location $old_path" "location $new_path" "$nginx_conf_path"
fi

# Change the domain for nginx
if [ $change_domain -eq 1 ]
then
	sudo mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
fi

#=================================================
# GENERIC FINALISATION
#=================================================
# RELOAD NGINX
#=================================================

sudo systemctl reload nginx