#!/bin/bash

####################################################################
##
## script to automaticaly update RIOT-web
##
####################################################################

# change working dir
cd /var/www/vhosts/solusar.de/subdomains/

# check if there is an active installation
if [ -d riot ]
  then
    # find old version number
    oldver=`cat riot/version`
    echo "Installed version is $oldver"
    read -p "Need to update (Y/n)? " answer
else
    echo "There is no active RIOT-web installation! Exiting..."
    exit 1
fi

case "$answer" in
  Y|y|"")
    # ask for the new version number to install
    read -p "Upgrade to which version (format x.x.x[-rcX])? " ver
    if [ -n $ver ]
      then
        # if theres an old version archive...
        if [ -f riot-v$oldver.tar.gz ]
          then
            echo "Found old version archive. Removing..."
            rm riot-v$oldver.tar.gz
        fi

        # download new version archive if nessesary
        if [ ! -f riot-v$ver.tar.gz ]
          then
            echo "Getting new version..."
            #wget https://github.com/vector-im/riot-web/releases/download/v$ver/riot-v$ver.tar.gz
            wget https://github.com/vector-im/riot-web/releases/download/v$ver/riot-v$ver.tar.gz
        fi

        if [ -f riot-v$ver.tar.gz ]
          then
            echo "Unpacking..."
            tar xzf riot-v$ver.tar.gz

            # if there's an old version...
            if [ -d riot.old ]
              then
                # delete the old version
                rm -r riot.old
            fi
            mv riot riot.old
            mv riot-v$ver riot
            echo "Copying config..."
            cp riot.old/config.riot.solusar.de.json riot/
            cp riot.old/config.json riot/
            echo "Changing permissions..."
            chown -R www-data:www-data riot/
            echo "Done."
        else
            echo "Could not download new version. Check URL or version number!"
            exit 1
        fi
    fi
    ;;
  N|n)
    echo "Exiting..."
    ;;
  *)
    echo "Unknown action, exiting..."
    ;;
esac