build

#!/bin/bash -e
basename=`basename $0`
dirname=`dirname $0`
dirname=`cd "$dirname" && pwd`
cd "$dirname"

source build.config

# load optional config
if [ -f ./build.rc ]; then
  source ./build.rc
fi

# show message and exit
function die {
  echo "$1"
  exit 1
}

# show usage and exit
function usage {
  if [[ -z "$1" ]]; then
    echo "usage: $basename <command> [options]"
  else
    echo "usage: $basename $1"
  fi
  exit 2
}

# run self
function self {
  $0 "$@"
}

if [[ -z "$mvn_options" ]]; then
  mvn_options=""
fi

# run maven
function mvn {
  ./mvnw ${mvn_options} "$@"
}

command="$1"; shift

# complain if no command is given
if [ -z "$command" ]; then
  usage
fi

case "$command" in
  # change the version of the project
  change-version)
    newVersion="$1"
    if [ -z "$newVersion" ]; then
      usage "$command <version>"
    fi

    mvn org.eclipse.tycho:tycho-versions-plugin:1.2.0:set-version \
      -Dartifacts=${project} \
      -Dproperties=${project}.version \
      -DnewVersion="$newVersion"
    ;;

  # check license headers
  license-check)
    mvn -f ./pom.xml -N -P -include-private com.mycila:license-maven-plugin:check
    if [ -f "private/pom.xml" ]; then
      mvn -f private/pom.xml -N com.mycila:license-maven-plugin:check "$@"
    fi
    ;;

  # format license headers
  license-format)
    mvn -f ./pom.xml -N -P -include-private com.mycila:license-maven-plugin:format
    if [ -f "private/pom.xml" ]; then
      mvn -f private/pom.xml -N com.mycila:license-maven-plugin:format "$@"
    fi
    ;;

  # release automation
  release)
    version="$1"
    nextVersion="$2"
    if [ -z "$version" -o -z "$nextVersion" ]; then
      usage "$command <version> <next-version>"
    fi
    releaseTag="release-$version"

    # update version and tag
    self change-version "$version"
    git commit -a -m "update version: $version"
    git tag $releaseTag

    # deploy release
    mvn -Pbuildsupport-release clean deploy -Dbuild.notes="t:release"

    # update to next version
    self change-version "$nextVersion"
    git commit -a -m "update version: $nextVersion"

    # TODO: push origin (branch + tag)
    ;;

  *)
    # attempt to lookup command function
    fn="command_$command"
    if [ "$(type -t $fn)" = 'function' ]; then
      $fn "$@"
    else
      # complain about missing command function
      echo "Unknown command: $command"
      usage
    fi
    ;;
esac