Monitors a Maven coordinate and displays a notification in the UI when it's available - Tested on Fedora only

monitor.sh

#!/bin/bash
 : ${1:?"groupId is required"}
 : ${2:?"artifactId is required"}
 : ${3:?"version is required"}

# eg. ~/monitor.sh org.wildfly.swarm spi 1.0.8.Final

GROUP_ID=${1//.//}
ARTIFACT_ID=$2
VERSION=$3

URL="https://repo1.maven.org/maven2/$GROUP_ID/$ARTIFACT_ID/$VERSION/$ARTIFACT_ID-$VERSION.pom"

echo Monitoring $URL

for (( ; ; )); do
    STATUS_CODE="$(curl -I  --stderr /dev/null $URL | head -1 | cut -d' ' -f2)"
    #echo Status code: $STATUS_CODE
    if [ "200" == "$STATUS_CODE" ]; then
	notify-send "Artifact ${GROUP_ID////.}:$ARTIFACT_ID:$VERSION is now available!"
	exit
    fi
    sleep 10
done