watch-df-release.yml

name: Watch DF Releases

on:
  schedule:
  - cron: '8/10 * * * *'
  workflow_dispatch:

jobs:
  check-steam:
    if: github.repository == 'DFHack/dfhack'
    name: Check Steam (${{ matrix.df_steam_branch }}) for new DF releases
    runs-on: ubuntu-latest
    concurrency: watch-release-steam-${{ matrix.df_steam_branch }}
    strategy:
      fail-fast: false
      matrix:
        # df_steam_branch: which DF Steam branch to watch
        # platform: leave blank to default to all
        # structures_ref: leave blank to default to master
        # dfhack_ref: leave blank if no structures update is desired
        # steam_branch: leave blank if no DFHack steam push is desired
        include:
          - df_steam_branch: public
          - df_steam_branch: beta
    steps:
    - name: Fetch state
      uses: actions/cache/restore@v4
      with:
        path: state
        key: watch-release-steam-${{ matrix.df_steam_branch }}
    - name: Compare branch metadata
      uses: nick-fields/retry@v3
      with:
        timeout_minutes: 2
        command: |
          blob=$(wget 'https://api.steamcmd.net/v1/info/975370?pretty=1' -O- | \
              awk '/^ *"branches"/,0' | \
              awk '/^ *"${{ matrix.df_steam_branch }}"/,0')
          buildid=$(echo "$blob" | \
              fgrep buildid | \
              head -n1 | \
              cut -d'"' -f4)
          timestamp=$(echo "$blob" | \
              fgrep timeupdated | \
              head -n1 | \
              cut -d'"' -f4)
          test -z "$buildid" && echo "no buildid result" && exit 1
          test -z "$timestamp" && echo "no timestamp result" && exit 1
          test "$buildid" -gt 0 || exit 1
          test "$timestamp" -gt 0 || exit 1
          echo "buildid and timestamp of last branch update:        $buildid, $timestamp"
          mkdir -p state
          touch state/buildid state/timestamp
          last_buildid=$(cat state/buildid)
          last_timestamp=$(cat state/timestamp)
          if [ -z "$last_timestamp" ]; then
              echo "no stored timestamp"
              last_buildid=0
              last_timestamp=0
          else
              echo "stored buildid and timestamp of last branch update: $last_buildid, $last_timestamp"
          fi
          if [ "$buildid" -ne "$last_buildid" -a "$timestamp" -gt "$last_timestamp" ]; then
              echo "branch updated"
              echo "$buildid" >state/buildid
              echo "$timestamp" >state/timestamp
              echo BUILDID=$buildid >> $GITHUB_ENV
          fi
    - name: Discord Webhook Action
      uses: tsickert/discord-webhook@v5.3.0
      if: env.BUILDID
      with:
        webhook-url: ${{ secrets.DISCORD_TEAM_PRIVATE_WEBHOOK_URL }}
        content: "<@&${{ secrets.DISCORD_TEAM_ROLE_ID }}> Steam ${{ matrix.df_steam_branch }} branch updated (build id: ${{ env.BUILDID }})"
    - name: Launch symbol generation workflow
      if: env.BUILDID && matrix.dfhack_ref
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        gh workflow run generate-symbols.yml \
          -R DFHack/dfhack \
          -r ${{ matrix.dfhack_ref }} \
          -f structures_ref=${{ matrix.structures_ref }} \
          -f version=auto \
          -f platform=${{ matrix.platform }} \
          -f channel=steam \
          -f df_steam_branch=${{ matrix.df_steam_branch }} \
          -f steam_branch=${{ matrix.steam_branch }}
    - name: Save state
      uses: actions/cache/save@v4
      if: env.BUILDID
      with:
        path: state
        key: watch-release-steam-${{ matrix.df_steam_branch }}-${{ env.BUILDID }}

  check-non-steam:
    if: github.repository == 'DFHack/dfhack'
    name: Check ${{ matrix.channel }} for new DF releases
    runs-on: ubuntu-latest
    concurrency: watch-release-${{ matrix.channel }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - channel: itch
            url: 'https://kitfoxgames.itch.io/dwarf-fortress'
            prefix: 'dwarf_fortress'
          - channel: classic
            url: 'https://www.bay12games.com/dwarves/'
            prefix: 'df'
    steps:
    - name: Fetch state
      uses: actions/cache/restore@v4
      with:
        path: state
        key: watch-release-${{ matrix.channel }}
    - name: Compare versions
      uses: nick-fields/retry@v3
      with:
        timeout_minutes: 2
        command: |
          version=$(wget "${{ matrix.url }}" -qO- | tr '"' '\n' | fgrep 'tar.bz2' | head -n1 | sed -r 's/${{ matrix.prefix }}_([0-9]{2})_([0-9]{2})_linux.tar.bz2/\1.\2/')
          echo "latest ${{ matrix.channel }} version: $version"
          if ! grep -qE '^[0-9]+\.[0-9]+$' <<<"$version"; then
              echo "invalid version"
              exit 1
          fi
          mkdir -p state
          touch state/last_version
          last_version=$(cat state/last_version)
          if [ -z "$last_version" ]; then
              echo "no stored version"
              last_version=0
          else
              echo "stored ${{ matrix.channel }} version: $last_version"
          fi
          if [ "$(tr -d '.' <<<"$version")" -gt "$(tr -d '.' <<<"$last_version")" ]; then
              echo "${{ matrix.channel }} has been updated"
              echo "$version" >state/last_version
              echo NEW_VERSION=$version >> $GITHUB_ENV
          fi
    - name: Discord Webhook Action
      uses: tsickert/discord-webhook@v5.3.0
      if: env.NEW_VERSION
      with:
        webhook-url: ${{ secrets.DISCORD_TEAM_PRIVATE_WEBHOOK_URL }}
        content: "<@&${{ secrets.DISCORD_TEAM_ROLE_ID }}> ${{ matrix.channel }} updated to ${{ env.NEW_VERSION }}"
    - name: Save state
      uses: actions/cache/save@v4
      if: env.NEW_VERSION
      with:
        path: state
        key: watch-release-${{ matrix.channel }}-${{ env.NEW_VERSION }}