action.yaml

name: Yaclog
description: Get version information from a changelog
branding:
  icon: file-text
  color: orange

x-example-name: Get version info

inputs:
  changelog-path:
    description: "Path of the changelog markdown file"

  markdown:
    description: "If the output should be in markdown format or not. Equivalent to the `--markdown` flag"
    default: 'true'

  release:
    description: |
      When set, creates a new release and commits it. Directly passed to the arguments of `yaclog release --yes --commit`.

      Can be a version number or an increment tag like `--major`, `--minor`, or `--patch`. The resulting commit and tag will NOT be pushed back to the repo. You must add a step to do this yourself

outputs:
  name:
    description: "The most recent version name, equivalent to the output of `yaclog show --name`. For example, `Version 1.3.0`"
    value: ${{ steps.yaclog-show.outputs.name}}
  header:
    description: "The entire header for the most recent version, equivalent to the output of `yaclog show --header`. For example, `Version 1.3.0 - 2024-08-08`"
    value: ${{ steps.yaclog-show.outputs.header }}
  version:
    description: "The current version number, equivalent to the output of `yaclog show --version`. For example, `1.3.1`"
    value: ${{ steps.yaclog-show.outputs.version }}
  body-file:
    description: "The path to a temporary file containing the body of the most recent version. Contents equivalent to `yaclog show --body`"
    value: ${{ steps.yaclog-show.outputs.body-file }}
  body_file:
    description: "Alias for body-file"
    value: ${{ steps.yaclog-show.outputs.body-file }}
  changelog:
    description: "The path to the changelog file. Usually `CHANGELOG.md` in the current directory."
    value: ${{ steps.yaclog-show.outputs.changelog }}

runs:
  using: "composite"
  steps:
    - name: Setup uv
      shell: bash
      run: | 
        if ! command -v uv >/dev/null 2>&1; then
          curl -LsSf https://astral.sh/uv/install.sh | sh
        else
          echo "uv already installed"
        fi
      env:
        UV_UNMANAGED_INSTALL: /usr/local/bin

    - name: Create New Release
      shell: bash
      if: ${{ inputs.release }}
      run: >
        uv run -m yaclog release --yes --commit ${{ inputs.release }}
      env:
        UV_PROJECT: ${{ github.action_path }}
        UV_LINK_MODE: copy
        UV_FROZEN: true

    - name: Get Changelog Information
      id: yaclog-show
      shell: bash
      run: >
        uv run -m yaclog ${{ inputs.changelog-path && format('--path {0}', inputs.changelog-path) || '' }} 
        show ---gh-actions ${{ inputs.markdown && '--markdown' || ''}} | tee -a "$GITHUB_OUTPUT"
      env:
        UV_PROJECT: ${{ github.action_path }}
        UV_LINK_MODE: copy
        UV_FROZEN: true