name: "publish-technical-documentation-release"

on:
  push:
    branches:
      - v[0-9]+.[0-9]+.x
    tags:
      - v[0-9]+.[0-9]+.[0-9]+
    paths:
      - "docs/sources/**"
  workflow_dispatch:
jobs:
  sync:
    if: github.repository == 'grafana/grafana'
    runs-on: "ubuntu-latest"
    steps:
      - name: "Checkout Grafana repo"
        uses: "actions/checkout@v4"
        with:
          fetch-depth: 0

      - name: "Checkout Actions library"
        uses: "actions/checkout@v4"
        with:
          repository: "grafana/grafana-github-actions"
          path: "./actions"

      - name: "Install Actions from library"
        run: "npm install --production --prefix ./actions"

      - name: "Determine if there is a matching release tag"
        id: "has-matching-release-tag"
        uses: "./actions/has-matching-release-tag"
        with:
          ref_name: "${{ github.ref_name }}"
          release_tag_regexp: "^v(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)$"
          release_branch_regexp: "^v(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.x$"

      - name: "Determine technical documentation version"
        if: "steps.has-matching-release-tag.outputs.bool == 'true'"
        uses: "./actions/docs-target"
        id: "target"
        with:
          ref_name: "${{ github.ref_name }}"

      - name: "Clone website-sync Action"
        if: "steps.has-matching-release-tag.outputs.bool == 'true'"
        # WEBSITE_SYNC_TOKEN is a fine-grained GitHub Personal Access Token that expires.
        # It must be regenerated in the grafanabot GitHub account and requires a Grafana organization
        # GitHub administrator to update the organization secret.
        # The IT helpdesk can update the organization secret.
        run: "git clone --single-branch --no-tags --depth 1 -b master https://grafanabot:${{ secrets.WEBSITE_SYNC_TOKEN }}@github.com/grafana/website-sync ./.github/actions/website-sync"

      - name: "Switch to HEAD of version branch for tags"
        # Tags aren't necessarily made to the HEAD of the version branch.
        # The documentation to be published is always on the HEAD of the version branch.
        if: "steps.has-matching-release-tag.outputs.bool == 'true' && github.ref_type == 'tag'"
        run: "git switch --detach origin/${{ steps.target.outputs.target }}.x"

      - name: "Publish to website repository (release)"
        if: "steps.has-matching-release-tag.outputs.bool == 'true'"
        uses: "./.github/actions/website-sync"
        id: "publish-release"
        with:
          repository: "grafana/website"
          branch: "master"
          host: "github.com"
          # PUBLISH_TO_WEBSITE_TOKEN is a fine-grained GitHub Personal Access Token that expires.
          # It must be regenerated in the grafanabot GitHub account and requires a Grafana organization
          # GitHub administrator to update the organization secret.
          # The IT helpdesk can update the organization secret.
          github_pat: "grafanabot:${{ secrets.PUBLISH_TO_WEBSITE_TOKEN }}"
          source_folder: "docs/sources"
          target_folder: "content/docs/grafana/${{ steps.target.outputs.target }}"