Nexus artifact deployment script

nexus.sh

#!/bin/bash

# Author: Siavash Safi <siavash.safi@gmail.com>
# Nexus artifact deployment script
# Original solution from https://support.sonatype.com/hc/en-us/articles/213465818-How-can-I-programatically-upload-an-artifact-into-Nexus-

groupId=`xmlstarlet sel -t -v '//_:project/_:groupId' pom.xml`
artifactId=`xmlstarlet sel -t -v '//_:project/_:artifactId' pom.xml`
version=`xmlstarlet sel -t -v '//_:project/_:version' pom.xml`
packaging=`xmlstarlet sel -t -v '//_:project/_:packaging' pom.xml`
repo="snapshots"

usage () {
  echo "USAGE: $0 -r | -s"
  echo -e "\t-r\t deploy to releases repository"
  echo -e "\t-s\t deploy to snapshots repository (default)"
  echo -e "\t-u\t repository base url (required)"
  exit $1
}

while getopts ":hrsu:" opt; do
  case $opt in
    h)
      usage 0
      ;;
    r)
      release=1
      if [ ! -z "$snapshot" ]
      then
        echo "you cannot use -r and -s at the same time!"
        exit 1
      fi
      repo="releases"
      ;;
    s)
      snapshot=1
      if [ ! -z "$release" ]
      then
        echo "you cannot use -r and -s at the same time!"
        exit 1
      fi
      repo="snapshots"
      ;;
    u)
      url=$OPTARG
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      usage 1
      ;;
  esac
done

if [ ! "$url" ]
then
  echo "repository base url must be provided with -u option!"
  usage
fi

echo "deploying to $url/$repo ..."

if [ -e pom.xml ]
then
  mvn deploy:deploy-file \
    -DgroupId=$groupId \
    -DartifactId=$artifactId \
    -Dversion=$version \
    -DgeneratePom=false \
    -Dpackaging=$packaging \
    -DrepositoryId=nexus \
    -Durl=$url/$repo \
    -DpomFile=pom.xml \
    -Dfile=target/$artifactId-$version.$packaging
else
  mvn deploy:deploy-file \
    -DgroupId=$groupId \
    -DartifactId=$artifactId \
    -Dversion=$version \
    -DgeneratePom=true \
    -Dpackaging=$packaging \
    -DrepositoryId=nexus \
    -Durl=$url/$repo \
    -Dfile=target/$artifactId-$version.$packaging
fi