action.yml

name: 'Semantic Release'
description: 'Use python semantic release 7 in a composite action. The result is pushed in a pull request, for repositories where the main branch is protected.'
author: 'Zackarie Vinckier <zackarie.vinckier--coffinier@eviden.com>'

inputs:
  # Python Project Configuration is expected to be in a pyproject.toml
  token:
    description: 'GITHUB_TOKEN or a `repo` scoped Personal Access Token (PAT)'
    default: ${{ github.token }}
  path:
    description: >
      Relative path under $GITHUB_WORKSPACE to the repository.
      Defaults to $GITHUB_WORKSPACE.
  add-paths:
    description: >
      A comma or newline-separated list of file paths to commit.
      Paths should follow git's pathspec syntax.
      Defaults to adding all new and modified files.
  commit-message:
    description: 'The message to use when committing changes.'
    default: '[create-pull-request] automated change'
  committer:
    description: >
      The committer name and email address in the format `Display Name <email@address.com>`.
      Defaults to the GitHub Actions bot user.
    default: 'GitHub <noreply@github.com>'
  author:
    description: >
      The author name and email address in the format `Display Name <email@address.com>`.
      Defaults to the user who triggered the workflow run.
    default: '${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>'
  signoff:
    description: 'Add `Signed-off-by` line by the committer at the end of the commit log message.'
    default: false
  branch:
    description: 'The pull request branch name.'
    default: 'create-pull-request/patch'
  delete-branch:
    description: >
      Delete the `branch` when closing pull requests, and when undeleted after merging.
      Recommend `true`.
    default: false
  branch-suffix:
    description: 'The branch suffix type when using the alternative branching strategy.'
  base:
    description: >
      The pull request base branch.
      Defaults to the branch checked out in the workflow.
  push-to-fork:
    description: >
      A fork of the checked out parent repository to which the pull request branch will be pushed.
      e.g. `owner/repo-fork`.
      The pull request will be created to merge the fork's branch into the parent's base.
  title:
    description: 'The title of the pull request.'
    default: 'Changes by create-pull-request action'
  body:
    description: 'The body of the pull request.'
    default: 'Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action'
  body-path:
    description: 'The path to a file containing the pull request body. Takes precedence over `body`.'
  labels:
    description: 'A comma or newline separated list of labels.'
  assignees:
    description: 'A comma or newline separated list of assignees (GitHub usernames).'
  reviewers:
    description: 'A comma or newline separated list of reviewers (GitHub usernames) to request a review from.'
  team-reviewers:
    description: >
      A comma or newline separated list of GitHub teams to request a review from.
      Note that a `repo` scoped Personal Access Token (PAT) may be required.
  milestone:
    description: 'The number of the milestone to associate the pull request with.'
  draft:
    description: 'Create a draft pull request. It is not possible to change draft status after creation except through the web interface'
    default: false
runs:
  using: "composite"
  steps:
    - name: Install semantic versionning
      shell: bash
      run: |
        # The old 7.X version is needed
        python -m pip install python-semantic-release==7.34.6
    - name: Use semver for commit
      id: semver
      shell: bash
      env:
        WPATH: ${{ inputs.path }}
        AUTHOR: ${{ inputs.committer }}
        GITHUB_WORKSPACE: ${{ github.workspace }}
        BRANCH: ${{ inputs.base }}
      run: |
        export WPATH=${WPATH:=$GITHUB_WORKSPACE}
        cd "$WPATH"
        git config user.name $(echo $AUTHOR | cut -d ' ' -f1)
        git config user.email $(echo $AUTHOR | cut -d ' ' -f2)
        echo "old_sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
        semantic-release version -v DEBUG
        echo "new_sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
        echo "msg=$(echo '"'$(git log -1 --pretty=%B)'"')" >> "$GITHUB_OUTPUT"
    - name: Reset HEAD
      shell: bash
      if: ${{ steps.semver.outputs.old_sha != steps.semver.outputs.new_sha }}
      env:
        OLD_SHA: ${{ steps.semver.outputs.old_sha }}
        WPATH: ${{ inputs.path }}
      run: |
        export WPATH=${WPATH:=$GITHUB_WORKSPACE}
        cd "$WPATH"
        git reset $OLD_SHA
    - uses: peter-evans/create-pull-request@v6
      if: ${{ steps.semver.outputs.old_sha != steps.semver.outputs.new_sha }}
      with:
        token: ${{ inputs.token }}
        path: ${{ inputs.path }}
        add-paths: ${{ inputs.add-path }}
        commit-message: ${{ steps.semver.outputs.msg }}
        committer: ${{ inputs.committer }}
        author: ${{ inputs.author }}
        signoff: ${{ inputs.signoff }}
        branch: ${{ inputs.branch }}
        delete-branch: ${{ inputs.delete-branch }}
        branch-suffix: ${{ inputs.branch-suffix }}
        base: ${{ inputs.base }}
        push-to-fork: ${{ inputs.push-to-fork }}
        title: ${{ inputs.title }} 
        body: ${{ inputs.body }}
        body-path: ${{ inputs.body-path }}
        labels: ${{ inputs.labels }}
        assignees: ${{ inputs.assignees }}
        reviewers: ${{ inputs.reviewers }}
        team-reviewers: ${{ inputs.team-reviewers }}
        milestone: ${{ inputs.milestone }}
        draft: ${{ inputs.draft }}

# Ref: https://haya14busa.github.io/github-action-brandings/
branding:
  icon: 'check-circle'
  color: 'green'