A bash script to automatically autodetect and upgrade Plastic SCM's server and client to the latest available release.

updateplastic.sh

#!/bin/bash

# A simple script to download and inflate Plastic SCM's server and client zips,
# notifying IFTTT in the process.
#
# Usage: ./updateplastic.sh [version]
#
# If the version is not specified, the script will try to autodetect it from
# the Plastic SCM web.
#
# Author: Sergio Luis Para
#   Year: 2018

# CUSTOMIZE THESE FIELDS AS NEEDED.
IFTTTKEY=""                           # Your IFTTT key to connect to the maker API.
                                      # You can get yours clicking on "Documentation" at:
                                      #     https://ifttt.com/maker_webhooks

SERVERPATH=/opt/plasticscm7/server    # Server binaries path.
CLIENTPATH=/opt/plasticscm7/client    # Client binaries path.

IFTTT_START="https://maker.ifttt.com/trigger/plastic_upgrade_start/with/key/$IFTTTKEY"
IFTTT_SUCCESS="https://maker.ifttt.com/trigger/plastic_upgrade_success/with/key/$IFTTTKEY"
IFTTT_FAIL="https://maker.ifttt.com/trigger/plastic_upgrade_fail/with/key/$IFTTTKEY"

RELEASE_NOTES="https://www.plasticscm.com/download/releasenotes/"

function notify {
    BODY="{\"value1\" : \"$HOSTNAME\", \"value2\" : \"$1\"}"
    curl -s --header "Content-Type: application/json" -d "$BODY" $2 >/dev/null
}

function checkError {
    if [ $? -ne 0 ];
    then
        echo $1
        notify "$1" "$2"
        exit 1
    fi
}

if [ "$#" -ne 1 ];
then
    echo "No version specified. Trying to autodetect version..."
    REDIRECTED_TO=$(curl -ILs -o /dev/null -w %{url_effective} -S $RELEASE_NOTES)
    checkError "Could not autodetect version." $IFTTT_FAIL

    VERSION=$(echo $REDIRECTED_TO | cut -d'/' -f 6)
    echo "Autodetected version $VERSION."
else
    VERSION=$1
    echo "Specified version $VERSION."
fi

notify "$VERSION" "$IFTTT_START"

echo "Checking current Plastic SCM version installed..."
if [ "$(cm version)" == "$VERSION" ];
then
    ERROR_MSG="Version $VERSION already installed!"
    echo $ERROR_MSG
    notify "$ERROR_MSG" "$IFTTT_FAIL"
    exit 1
fi

SERVERZIPDIR="https://s3.eu-west-2.amazonaws.com/plastic-releases/releases/$VERSION/plasticscm/zipinstallers/linux/PlasticSCM-$VERSION-linux-server-binaries.zip"
CLIENTZIPDIR="https://s3.eu-west-2.amazonaws.com/plastic-releases/releases/$VERSION/plasticscm/zipinstallers/linux/PlasticSCM-$VERSION-linux-client-binaries.zip"

SERVERZIP="server-$VERSION.zip"
CLIENTZIP="client-$VERSION.zip"

echo "Downloading $SERVERZIPDIR to $SERVERZIP..."
wget --quiet "$SERVERZIPDIR" -O "$SERVERZIP"
if [ $? -ne 0 ];
then
    notify "Downloading the serverzip failed!" "$IFTTT_FAIL"
    exit 1
fi

echo "Downloading $CLIENTZIPDIR to $CLIENTZIP..."
wget --quiet "$CLIENTZIPDIR" -O "$CLIENTZIP"
if [ $? -ne 0 ];
then
    notify "Downloading the clientzip failed!" $IFTTT_FAIL
    exit 1
fi

echo "Cleaning out output directories..."
if [ -d client ];
then
    rm -rf client
fi

if [ -d server ];
then
    rm -rf server
fi

echo "Inflating $SERVERZIP"
unzip -qq $SERVERZIP
checkError "Error inflating serverzip!" $IFTTT_FAIL

echo "Inflating $CLIENTZIP"
unzip -qq $CLIENTZIP
checkError "Error inflating clientzip!" $IFTTT_FAIL

PLASTIC_PID=$(pidof plasticd)

if [ 0 -eq $? ];
then
    echo "Found a Plastic SCM Server instance with PID $PLASTIC_PID. Sending SIGTERM..."
    kill -15 $PLASTIC_PID
fi

while [ "$(pidof plasticd)" == "$PLASTIC_PID" ];
do
    echo "Waiting for Plastic SCM Server to exit..."
    sleep 0.1
done

echo "Copying server files to $SERVERPATH"
cp -a server/* $SERVERPATH

echo "Copying client files to $CLIENTPATH"
cp -a client/* $CLIENTPATH

echo "Starting the Plastic SCM server again!"
plasticd --daemon >/dev/null 2>&1 &

echo "Cleaning up files..."
rm $CLIENTZIP
rm $SERVERZIP
rm -rf client
rm -rf server

notify "$VERSION" "$IFTTT_SUCCESS"