transmission_ynh/scripts/upgrade

#!/bin/bash

# Exit on command errors and treat unset variables as an error
set -eu

# Get app instance name
app=$YNH_APP_INSTANCE_NAME

# Retrieve arguments
domain=$(sudo yunohost app setting "$app" domain)
path=$(sudo yunohost app setting "$app" path)

# Remove trailing "/" for next commands
path=${path%/}

# Open port in firewall
sudo yunohost firewall allow TCP 51413 > /dev/null 2>&1

# Upgrade official debian package
sudo apt-get install transmission-daemon -y -qq

# Make directories and set rights
sudo mkdir -p /home/yunohost.transmission/{progress,completed}
sudo chown -R debian-transmission:www-data /home/yunohost.transmission/
sudo chown -R debian-transmission:debian-transmission /home/yunohost.transmission/progress
sudo find /home/yunohost.transmission/ -type f | while read LINE; do sudo chmod 640 "$LINE" ; done
sudo find /home/yunohost.transmission/ -type d | while read LINE; do sudo chmod 750 "$LINE" ; done

# Configure Transmission and reload
sed -i "s@PATHTOCHANGE@$path@g" ../conf/settings.json
sudo cp ../conf/settings.json /etc/transmission-daemon/settings.json
sudo service transmission-daemon reload

# Patch sources to add a download button
if ! grep 'toolbar-downloads' /usr/share/transmission/web/index.html --quiet; then

    sudo cp ../sources/toolbar-downloads.png /usr/share/transmission/web/style/transmission/images/toolbar-downloads.png
    sudo bash -c 'cat ../sources/ynh_common.css >> /usr/share/transmission/web/style/transmission/common.css'
    sudo sed -i "s@<div id=\"toolbar-inspector\" title=\"Toggle Inspector\"></div>@<div id=\"toolbar-inspector\" title=\"Toggle Inspector\"></div><div id=\"toolbar-separator\"></div><a href=\"../../downloads/\" id=\"toolbar-downloads\" title=\"Downloads\" target=\"_blank\"></a>@g" /usr/share/transmission/web/index.html
fi

# Configure Nginx and reload
sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/$app.conf
sudo service nginx reload