render.yml

name: Render maps

on:
  push:
    branches: ["master"]
  workflow_dispatch:

env:
  OCI_REGION: ca-montreal-1

jobs:
  render:
    runs-on: ubuntu-latest
    env:
      AWS_ACCESS_KEY_ID: ${{ secrets.OCI_ACCESS_KEY_ID }}
      AWS_SECRET_ACCESS_KEY: ${{ secrets.OCI_SECRET_ACCESS_KEY }}

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Download mciso
        run: |
          curl -fsSL -o mciso https://github.com/OvercastCommunity/mciso/releases/download/latest/mciso-linux-x86_64
          curl -fsSL -o mciso-upload https://github.com/OvercastCommunity/mciso/releases/download/latest/mciso-upload-linux-x86_64
          chmod +x mciso mciso-upload
      - name: Render
        env:
          BEFORE: ${{ github.event.before }}
        run: |
          since=""
          if [ "${{ github.event_name }}" = "push" ] && \
             [ "$BEFORE" != "0000000000000000000000000000000000000000" ] && \
             git cat-file -e "$BEFORE" 2>/dev/null; then
            since="$BEFORE"
          fi
          ./mciso -i . -o out --smooth ${since:+-s "$since"}
      - name: Upload to OCI
        if: env.AWS_ACCESS_KEY_ID != ''
        run: |
          if [ -n "$(ls out/*.png 2>/dev/null)" ]; then
            ./mciso-upload -i out --region "$OCI_REGION"
          else
            echo "No images to upload"
          fi
      - uses: actions/upload-artifact@v7
        with:
          name: map-images
          path: out
          if-no-files-found: warn
      - name: Pick preview image
        id: preview
        run: |
          maps=$(ls out 2>/dev/null | sed -E 's/_(tr|br|bl|tl)(-thumb)?\.png$//' | sort -u)
          if [ "$(printf '%s\n' "$maps" | grep -c .)" = "1" ]; then
            echo "file=out/${maps}_tr.png" >> "$GITHUB_OUTPUT"
          fi
      - name: Upload preview unzipped
        if: steps.preview.outputs.file != ''
        uses: actions/upload-artifact@v7
        with:
          path: ${{ steps.preview.outputs.file }}
          archive: false