name: 'Push and Commit action'

description: 'GitHub Action to commit & push changes made in workflows to upstream repository :octocat:'

inputs:
  email:
    description: Committer's email address
    required: true
    default: ${{ github.actor }}@users.noreply.github.com
  name:
    description: Committer's username
    required: true
    default: ${{ github.actor }}
  commit_message:
    description: Commit message
    required: true
    default: Automatically updated using Push and Commit action
  target_branch:
    description: Branch to push the changes back to
    required: true
    default: ${{ github.ref }}
  files:
    description: Files to add separated by space
    required: true
    default: .
  remote_repository:
    description: Repository to push the code to
    required: true
    default: origin
  access_token:
    description: Token used to push the code
    required: true
    default: ${{ github.token }}
  force:
    description: Whether to perform force push
    required: true
    default: '0'
  empty:
    description: Whether to allow empty commit
    required: false
    default: '0'
  tags:
    description: Whether to use --tags
    required: false
    default: '0'

outputs:
  diff-output:
    description: "Assert output"
    value: ${{ steps.assert.outputs.result }}

runs:
  using: "composite"
  steps:
    - name: Git push and commit
      run: |
        CURRENT_BRANCH=${GITHUB_REF##*/}
        TARGET_BRANCH=${{ inputs.target_branch }}
        case $TARGET_BRANCH in "refs/heads/"*)
            TARGET_BRANCH=$(echo "$TARGET_BRANCH" | sed "s@refs/heads/@@")
        esac

        if [ "${{ inputs.force }}" != "0" ]; then
            FORCE='--force'
        fi
        if [ "${{ inputs.empty }}" != "0" ]; then
            EMPTY='--allow-empty'
        fi
        if [ "${{ inputs.tags }}" != "0" ]; then
            TAGS='--tags'
        fi

        echo "machine github.com" > "$HOME/.netrc"
        echo "  login $GITHUB_ACTOR" >> "$HOME/.netrc"
        echo "  password ${{ inputs.access_token }}" >> "$HOME/.netrc"

        echo "machine api.github.com" >> "$HOME/.netrc"
        echo "  login $GITHUB_ACTOR" >> "$HOME/.netrc"
        echo "  password ${{ inputs.access_token }}" >> "$HOME/.netrc"

        git config --local user.email "${{ inputs.email }}"
        git config --local user.name "${{ inputs.name }}"
        git add ${{ inputs.files }} -v
        git commit -m "${{ inputs.commit_message }}" $EMPTY

        git branch push-and-commit-action-${{ github.run_id }}-${{ github.job }}
        git fetch "${{ inputs.remote_repository }}" "$CURRENT_BRANCH"
        git checkout "$CURRENT_BRANCH"
        git merge push-and-commit-action-${{ github.run_id }}-${{ github.job }}
        git branch -d push-and-commit-action-${{ github.run_id }}-${{ github.job }}

        git push "${{ inputs.remote_repository }}" "$CURRENT_BRANCH:$TARGET_BRANCH" --follow-tags $FORCE $TAGS
      shell: bash

branding:
    icon: 'git-commit'
    color: 'black'