imgui-luau/.github/workflows/release.yml

# Builds every backend and publishes them as a GitHub Release.
#   push a tag "v*"           -> release named after the tag
#   push to master            -> rolling "latest" release (replaced each time, marked as the repo's latest release)
#   run manually (Actions tab) -> same as master
name: Build & Release

on:
  push:
    branches: [master]
    tags: ["v*"]
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        with:
          python-version: "3.x"

      - name: Install Luau and LuaJIT (for checks)
        run: |
          sudo apt-get update -qq && sudo apt-get install -y -qq luajit
          curl -fsSL -o luau.zip https://github.com/luau-lang/luau/releases/latest/download/luau-ubuntu.zip
          unzip -q luau.zip -d luau && chmod +x luau/* && echo "$PWD/luau" >> "$GITHUB_PATH"

      - name: Build
        env:
          IMGUI_BUNDLE_STRICT: "1" # fail if enum folding (needs the luau CLI above) can't run
        run: |
          mkdir -p dist
          python3 tools/bundle.py dist/roblox                       # ImGui.luau (library + demo)
          python3 tools/bundle.py --target love dist/love             # imgui_love.lua (library + demo)
          # minified variants (comments/whitespace stripped, same code): tools/minify.py
          python3 tools/minify.py dist/roblox/ImGui.luau dist/ImGui.min.luau
          python3 tools/minify.py dist/love/imgui_love.lua dist/imgui_love.min.lua

      - name: Check
        run: |
          python3 tools/sync_github_readme.py --check
          luau-compile --null dist/roblox/ImGui.luau
          sed 's|require(script:WaitForChild("Impl"))|nil|' dist/roblox/ImGuiTyped.luau > /tmp/ImGuiTyped.luau && luau-analyze /tmp/ImGuiTyped.luau
          luajit -bl dist/love/imgui_love.lua > /dev/null
          python3 tools/minify.py --test
          luau-compile --null dist/ImGui.min.luau
          luajit -bl dist/imgui_love.min.lua > /dev/null
          python3 tools/test/run.py --main tools/test/scripts/t_readme.luau --frames 30 --quiet --roblox --timeout 300 | tee /tmp/r.txt
          grep -q "README OK" /tmp/r.txt
          python3 tools/test/run.py --main tools/test/scripts/t_cached_window.luau --frames 130 --quiet --roblox --timeout 300 | tee /tmp/c.txt
          grep -q "CACHED OK" /tmp/c.txt
          MINIFY=1 python3 tools/test/run.py --main tools/test/scripts/t_readme.luau --frames 30 --quiet --roblox --timeout 300 | tee /tmp/rm.txt
          grep -q "README OK" /tmp/rm.txt
          python3 tools/test/run.py --main tools/test/scripts/t_fixes.luau --frames 55 --quiet --roblox --timeout 300 | tee /tmp/f.txt
          grep -q "FIXES OK" /tmp/f.txt
          python3 tools/bundle.py --target love >/dev/null
          luajit tools/test/love/t_drawhash.lua 60 Widgets,Basic | tee /tmp/h.txt
          cp build/imgui_love.lua /tmp/imgui_love.lua && cp dist/imgui_love.min.lua build/imgui_love.lua
          luajit tools/test/love/t_drawhash.lua 60 Widgets,Basic | tee /tmp/hm.txt
          cp /tmp/imgui_love.lua build/imgui_love.lua
          diff /tmp/h.txt /tmp/hm.txt   # minified LÖVE bundle draws exactly the same
          luajit tools/test/love/t_examples.lua

      - name: Package
        run: |
          V="${GITHUB_REF_NAME}"
          cd dist
          cp roblox/ImGui.luau ImGui.luau
          cp love/imgui_love.lua imgui_love.lua
          # Roblox: module + example LocalScript + Rojo project
          mkdir -p pkg-roblox/build && cp ImGui.luau roblox/ImGuiTyped.luau pkg-roblox/build/ && cp ../default.project.json pkg-roblox/
          mkdir -p pkg-roblox/examples && cp -r ../examples/example_roblox pkg-roblox/examples/
          (cd pkg-roblox && zip -qr ../imgui-luau-roblox-$V.zip .)
          # LÖVE: bundle + fonts + examples (run: love examples/example_love)
          mkdir -p pkg-love/build && cp imgui_love.lua pkg-love/build/ && cp -r ../fonts pkg-love/ && rm -f pkg-love/fonts/*.lua
          mkdir -p pkg-love/examples && cp -r ../examples/example_love pkg-love/examples/
          (cd pkg-love && zip -qr ../imgui-luau-love-$V.zip .)
          ls -la

      - name: Release (tag)
        if: startsWith(github.ref, 'refs/tags/v')
        uses: softprops/action-gh-release@v2
        with:
          files: |
            dist/ImGui.luau
            dist/imgui_love.lua
            dist/*.min.luau
            dist/*.min.lua
            dist/*.zip
          generate_release_notes: true

      - name: Publish to Wally (tag)
        if: startsWith(github.ref, 'refs/tags/v')
        env:
          WALLY_TOKEN: ${{ secrets.WALLY_TOKEN }}
        run: |
          [ -n "$WALLY_TOKEN" ] || { echo "WALLY_TOKEN not set, skipping"; exit 0; }
          grep -q "^version = \"${GITHUB_REF_NAME#v}\"" wally.toml || { echo "wally.toml version != tag"; exit 1; }
          curl -fsSL -o wally.zip https://github.com/UpliftGames/wally/releases/download/v0.3.2/wally-v0.3.2-linux.zip
          unzip -q wally.zip -d wallybin && chmod +x wallybin/wally
          mkdir -p dist/wally/src && cp wally.toml dist/wally/ && cp dist/roblox/ImGuiTyped.luau dist/wally/src/init.luau && cp dist/roblox/ImGui.luau dist/wally/src/Impl.luau
          echo '{"name":"imgui-luau","tree":{"$path":"src"}}' > dist/wally/default.project.json
          wallybin/wally login --token "$WALLY_TOKEN"
          wallybin/wally publish --project-path dist/wally

      - name: Release (latest)
        if: "!startsWith(github.ref, 'refs/tags/v')"
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          gh release delete latest --yes --cleanup-tag || true
          gh release create latest --latest --title "Latest build (${GITHUB_SHA::7})" \
            --notes "Automatic build of ${GITHUB_SHA} on ${GITHUB_REF_NAME}. Tag a commit v* for a versioned release." \
            dist/ImGui.luau dist/imgui_love.lua dist/*.min.luau dist/*.min.lua dist/*.zip