name: release

on:
  push:
    tags:
      - v[0-9]+.[0-9]+.[0-9]+
  workflow_dispatch:
    inputs:
      tag:
        description: The existing tag to publish to FlakeHub
        type: string
        required: true

jobs:
  release:
    runs-on: ubuntu-latest
    if: github.event_name != 'workflow_dispatch'
    steps:
      - uses: softprops/action-gh-release@v1
        with:
          body: "[CHANGELOG.md](https://github.com/nix-community/haumea/blob/main/CHANGELOG.md)"

  flakehub:
    runs-on: ubuntu-latest
    permissions:
      id-token: write
      contents: read
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ inputs.tag != null && format('refs/tags/{0}', inputs.tag) || '' }}
      - uses: DeterminateSystems/nix-installer-action@v9
      - uses: DeterminateSystems/flakehub-push@v3
        with:
          visibility: public
          tag: ${{ inputs.tag }}