action.yaml

name: 'guardian/action-sbt-release'
description: 'Run sbt-release command to publish to a signed release to maven'

inputs:
  version:
    description: "The version that should be released. If not provided will be taken from the tags"
    type: string
    default: ''
    required: false
  isSnapshot:
    description: "Is this a snapshot (pre-release) version?"
    type: boolean
    default: true
  fetchDepth:
    description: "How many commits are required to find the tagged version? 0 fetches everything. See docs for actions/checkout"
    default: 1
  pgpSecret:
    description: "base64 encoded PGP secret if neccessary for the SBT release process"
    default: ''
    required: false
  pgpPassphrase:
    description: "passphrase for the above key"
    default: ''
    required: false
  sonatypeUsername:
    default: ''
    required: false
  sonatypePassword:
    default: ''
    required: false

runs:
  using: 'composite'
  steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: ${{ inputs.fetchDepth }}
    - uses: actions/setup-java@v3
      with:
        distribution: corretto
        java-version: 11
        cache: sbt
    - name: Use supplied version
      if: ${{ inputs.version != '' }}
      shell: bash
      run: |
        echo "VERSION=${{ inputs.version }}" >> "$GITHUB_ENV"
    - name: Get version to publish as
      if: ${{ inputs.version == '' }}
      shell: bash
      run: |
        git describe --tags --exact-match HEAD || exit 1
        VERSION=$(git describe --tags | cut -f2 -d"@")
        if [[ ${VERSION:0:1} == "v" ]] ; then
          VERSION=${VERSION:1}
        fi
        echo "VERSION=${VERSION}" >> "$GITHUB_ENV"
    - name: Optionally set snapshot version
      if: ${{ inputs.isSnapshot != 'false' }}
      shell: bash
      run: |
        if [[ ${VERSION: -9} != "-SNAPSHOT" ]] ; then
          echo "Version must end in -SNAPSHOT. Adding -SNAPSHOT suffix"
          VERSION="$VERSION-SNAPSHOT"
        fi
        echo "VERSION=${VERSION}" >> "$GITHUB_ENV"
    - name: Import PGP key if there is one
      if: ${{ inputs.pgpSecret != '' }}
      shell: bash
      run: "echo $PGP_SECRET | base64 --decode | gpg --batch --import"
      env:
        PGP_SECRET: ${{ inputs.pgpSecret }}
        PGP_PASSPHRASE: ${{ inputs.pgpPassphrase }}
    - name: Run sbt release
      shell: bash
      run: |
        export GPG_TTY=$(tty)
        RELEASE_TYPE="${{ inputs.isSnapshot == 'true' && 'snapshot' || 'production' }}"
        echo "Releasing version $VERSION Sonatype as $RELEASE_TYPE"
        sbt -DRELEASE_TYPE=$RELEASE_TYPE "clean" "release cross release-version $VERSION with-defaults"
      env:
        PGP_PASSPHRASE: ${{ inputs.pgpPassphrase }}
        SONATYPE_USERNAME: ${{ inputs.sonatypeUsername }}
        SONATYPE_PASSWORD: ${{ inputs.sonatypePassword }}