Plugin update script

update-plugins.sh

#!/bin/bash
# With many thanks to Robrotheram for this script
# https://gist.github.com/robrotheram/5ffac65aed7ba43a8425

# PLUGINS THAT NEED THEIR URLS MANUALLY UPDATING:
# * Chairs
# * GPrism
# * DiscordSRV
# * SignShopExport
# * Skript
# * SQLibrary
# * Stables
# * TicketMaster
# * Titanic
# * WoodCutter
# * WorldEdit/WorldGuard
# * WorldBorder
# * zPermissions

# CONFIGURATION:

# Path to server directory. DO NOT LEAVE EMPTY!
SERVER=/home/minecraft/Beta

# Path to plugins directory. DO NOT LEAVE EMPTY!
PLUGINS=$SERVER/plugins

# Identity of this server's tmux session
IDENT=GBeta

# User agent for use with wget
UA="Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.81 Safari/537.36"

# FUNCTIONS:
function onError
{
    if [ $? -ne 0 ]; then
        echo -e "*** $1 ***"
        exit 1
    fi
}

# Downloads a file to the given filename from the given URL
function getFile
{
    local file=$1
    local url=$2
    local tries=1

    while true; do
        echo "* Attempt #$tries at downloading '$1' from '$2'"
        wget --no-check-certificate --user-agent="$UA" --timeout=5 -O $1 $2 &> last.err

        if [ $? -eq 0 ]; then
            # Successful download; exit getFile
            return 0
        elif [ $tries -lt 3 ]; then
            # Unsuccessful download; retry up to 3 times
            let tries++
            echo -e "*** Failure. Retrying download after 2 seconds..."
            sleep 2
        else
            echo -e "*** ERROR downloading $2\n\n"
            cat last.err
            echo -e "\n\n*** ERROR! Please review above log"
            exit 1
        fi
    done
}

# Copies a file to the given filename from the given path
function localFile
{
    local dest=$1
    local src=$2

    echo "* Copying local JAR '$1' from '$2'"
    cp $2 ./$1
}

# OPTIONS:
while test $# -gt 0
do
    case "$1" in
        --skip-spigot) skipSpigot=true
            ;;
        --skip-plugins) skipPlugins=true
            ;;
        *)  echo "[SKRIPT] Unknown param '$1'"
            echo "Usage: updateServer.sh [OPTIONS]"
            echo ""
            echo "    --skip-spigot   Don't update (Paper)Spigot"
            echo "    --skip-plugins  Don't update plugins"
            exit 1
            ;;
    esac
    shift
done

# SCRIPT:

# First, check if server is running
tmux has-session -t $IDENT 2> /dev/null
if [ "$?" -eq "0" ]; then
    echo -e "*** The server can't update whilst it's still running! ***"
    echo -e "Please do 'tmux attach -t ${IDENT}', safely stop the server with 'stop' and then CTRL+C when it says to."
    exit 1
fi

# Then begin the update
cd $SERVER
echo -e "[UPDATE] Working in directory $SERVER"

if [ -z $skipSpigot ]; then
    echo -e "[UPDATE] Installing latest PaperSpigot..."
    wget -O paperclip.jar https://ci.destroystokyo.com/job/PaperSpigot/lastSuccessfulBuild/artifact/paperclip.jar
    onError "Could not download PaperSpigot; see above!"
fi

if [ -z $skipPlugins ]; then
    echo -e "[UPDATE] Backing up old plugins..."
    cd $PLUGINS
    dt=$(date +%Y%m%d%H%M%S)
    mkdir plugins_$dt
    cp *.jar plugins_$dt/.

    echo -e "[UPDATE] Deleting all plugins..."
    rm *.jar

    echo -e "[UPDATE] Beginning download of plugins..."
    # ChairsReloaded
    getFile Chairs.jar https://dev.bukkit.org/projects/chairsreloaded/files/2450200/download
    # CraftBook
    getFile CraftBook.jar http://ci.md-5.net/job/CraftBook/lastSuccessfulBuild/artifact/target/craftbook-3.9-SNAPSHOT.jar
    # DiscordSRV
    getFile DiscordSRV.jar https://ci.scarsz.me/job/DiscordSRV/lastSuccessfulBuild/artifact/target/DiscordSRV-Build-14.8-SNAPSHOT-89.jar
    # Dynmap
    getFile Dynmap.jar http://dynmap.us/builds/dynmap/dynmap-3.x-HEAD.jar
    # Dynmap-Essentials
    getFile Dynmap-Essentials.jar http://dynmap.us/builds/Dynmap-Essentials/Dynmap-Essentials-HEAD.jar
    # EssentialsX
    getFile EssentialsX.jar https://ci.drtshock.net/job/EssentialsX/lastSuccessfulBuild/artifact/Essentials/target/EssentialsX-2.0.1.jar
    # GCleanroomGenerator
    getFile GCleanroomGenerator.jar https://github.com/Gamealition/GCleanroomGenerator/releases/download/v1.0-1.11/CleanroomGenerator-1.0-1.11.jar
    # GPrism
    getFile GPrism.jar https://github.com/Gamealition/GPrism/releases/download/1.12-2.0.12/prism-1.12-2.0.12.jar
    # GTicketMaster (Gamealition fork)
    getFile GTicketMaster.jar https://github.com/Gamealition/GTicketMaster/releases/download/1.11-1.0.10/GTicketMaster-1.11-1.0.10.jar
    # HappyPet
    getFile HappyPet.jar https://github.com/Gamealition/HappyPet/releases/download/1.2-SNAPSHOT/HappyPet-1.2-SNAPSHOT.jar
    # LWC
    getFile LWC.jar http://ci.dmulloy2.net/job/LWC/lastSuccessfulBuild/artifact/core/target/LWC.jar
    # Multiverse Suite
    getFile Multiverse-Core.jar https://ci.onarandombox.com/job/Multiverse-Core/lastSuccessfulBuild/artifact/target/Multiverse-Core-2.6.0-SNAPSHOT.jar
    getFile Multiverse-Portals.jar https://ci.onarandombox.com/job/Multiverse-Portals/lastSuccessfulBuild/artifact/target/Multiverse-Portals-2.5.2-SNAPSHOT.jar
    getFile Multiverse-NetherPortals.jar https://ci.onarandombox.com/job/Multiverse-NetherPortals/lastSuccessfulBuild/artifact/target/Multiverse-NetherPortals-2.5.2-SNAPSHOT.jar
    # SignPortals with villager fix
    localFile Multiverse-SignPortals.jar /home/minecraft/Build/Multiverse/Multiverse-SignPortals.jar
    # SignShop
    getFile SignShop.jar https://dev.bukkit.org/projects/signshop/files/2432183/download
    # NoCheatPlus
    getFile NoCheatPlus.jar http://ci.md-5.net/job/NoCheatPlus/lastSuccessfulBuild/artifact/target/NoCheatPlus.jar
    # PerWorldInventory
    localFile PerWorldInventory.jar /home/minecraft/Build/PerWorldInventory/target/perworldinventory-1.9.0.jar
    # ProtocolLib
    getFile ProtocolLib.jar http://ci.dmulloy2.net/job/ProtocolLib/lastSuccessfulBuild/artifact/modules/ProtocolLib/target/ProtocolLib.jar
    # SignShopExport
    getFile SignShopExport.jar https://github.com/Gamealition/SignShopExport/releases/download/1.11.2-1.1.0/SignShopExport-1.11.2-1.1.0.jar
    # Skript
    getFile Skript.jar https://github.com/bensku/Skript/releases/download/dev25/Skript.jar
    # SQlibrary
    getFile SQLibrary.jar https://dev.bukkit.org/projects/sqlibrary/files/767049/download
    # Stables
    getFile Stables.jar https://dev.bukkit.org/projects/stables/files/2373754/download
    # Titanic
    getFile Titanic.jar https://github.com/Gamealition/Titanic/releases/download/1.11-1.0.0/Titanic-1.11-1.0.0.jar
    # VanishNoPacket
    getFile VanishNoPacket.jar http://h.cnaude.org:8081/job/VanishNoPacket/lastSuccessfulBuild/artifact/target/VanishNoPacket.jar
    # Vault
    getFile Vault.jar https://dev.bukkit.org/projects/vault/files/894359/download
    # WoodCutter
    getFile WoodCutter.jar https://github.com/enjikaka/WoodCutter/releases/download/v1.5.0/WoodCutter-1.5.0-SNAPSHOT.jar
    # WorldBorder
    getFile WorldBorder.jar https://dev.bukkit.org/projects/worldborder/files/2415838/download
    # WorldEdit
    getFile WorldEdit.jar http://builds.enginehub.org/job/worldedit/9819/download/worldedit-bukkit-6.1.8-SNAPSHOT-dist.jar
    # WorldGuard
    getFile WorldGuard.jar http://builds.enginehub.org/job/worldguard/9824/download/worldguard-legacy-6.2.2-SNAPSHOT-dist.jar
    # zPerms (GPermissions)
    getFile zPermissions.jar https://github.com/Gamealition/GPermissions/releases/download/2.0-1.12pre/zPermissions-2.0-1.12pre.jar

    rm last.err
fi