# SPDX-License-Identifier: MIT
name: 'Forgejo release download and upload'
author: 'Forgejo authors'
description: |
  Upload or download the assets of a release to a Forgejo instance.
inputs:
  url:
    description: 'URL of the Forgejo instance'
  repo:
    description: 'owner/project relative to the URL'
  tag:
    description: 'Tag of the release'
  title:
    description: 'Title of the release (defaults to tag)'
  sha:
    description: 'SHA of the release'
  token:
    description: 'Forgejo application token'
    required: true
  release-dir:
    description: 'Directory in whichs release assets are uploaded or downloaded'
    required: true
  release-notes:
    description: 'Release notes'
  direction:
    description: 'Can either be `download` or `upload`'
    required: true
  gpg-private-key:
    description: 'GPG Private Key to sign the release artifacts'
  gpg-passphrase:
    description: 'Passphrase of the GPG Private Key'
  download-retry:
    description: 'Number of times to retry if the release is not ready (default 1)'
  download-latest:
    description: 'Download the latest release'
    default: 'false'
  verbose:
    description: 'Increase the verbosity level'
    default: 'false'
  override:
    description: 'Override an existing release by the same `{tag}`'
    default: 'false'
  prerelease:
    description: 'Mark Release as Pre-Release'
    default: 'false'
  release-notes-assistant:
    description: 'Generate release notes with Release Notes Assistant'
    default: 'false'

runs:
  using: "composite"
  steps:
    - run: echo "${{ github.action_path }}" >> $GITHUB_PATH
      shell: bash
    - run: |
        export FORGEJO="${{ inputs.url }}"
        if test -z "$FORGEJO"; then
          export FORGEJO="${{ env.GITHUB_SERVER_URL }}"
        fi
        # A trailing / will mean http://forgejo//api/v1 is used
        # and it always 401 as of v1.19, because of the double slash
        FORGEJO=${FORGEJO%%/}
        export SCHEME=${FORGEJO%://*}
        export HOST=${FORGEJO#*://}

        export REPO="${{ inputs.repo }}"
        if test -z "$REPO"; then
          export REPO="${{ github.repository }}"
        fi

        export TAG="${{ inputs.tag }}"
        if test -z "$TAG"; then
          export TAG="${{ github.ref_name }}"
          # until https://code.forgejo.org/forgejo/runner/issues/9 is fixed
          # trim refs/tags/
          TAG=${TAG##refs/tags/}
        fi

        export TITLE="${{ inputs.title }}"

        export DOWNLOAD_LATEST="${{ inputs.download-latest }}"

        export PRERELEASE="${{ inputs.prerelease }}"

        export RELEASE_NOTES_ASSISTANT="${{ inputs.release-notes-assistant }}"

        export TOKEN="${{ inputs.token }}"

        export RELEASE_DIR="${{ inputs.release-dir }}"

        export RELEASENOTES=$(cat << 'EOF'
        ${{ inputs.release-notes }}
        EOF
        )

        export SHA="${{ inputs.sha }}"
        if test -z "$SHA"; then
          export SHA="${{ github.sha }}"
        fi

        export OVERRIDE="${{ inputs.override }}"

        export VERBOSE="${{ inputs.verbose }}"

        export RETRY="${{ inputs.download-retry }}"

        export TMP_DIR=$(mktemp -d)
        trap "rm -fr $TMP_DIR" EXIT

        echo -n "${{ inputs.gpg-private-key }}" > $TMP_DIR/gpg-private-key
        export GPG_PRIVATE_KEY=$TMP_DIR/gpg-private-key
        echo -n "${{ inputs.gpg-passphrase }}" > $TMP_DIR/gpg-passphrase
        export GPG_PASSPHRASE="$TMP_DIR/gpg-passphrase"

        forgejo-release.sh ${{ inputs.direction }}
      shell: bash