redpoint.yml

name: "Redpoint Games LLVM"

on:
  workflow_dispatch: {}
  push:
    branches: ["redpoint/main"]
  pull_request:
    branches: ["redpoint/main"]

jobs:
  variables:
    name: "Compute Variables"
    runs-on: ubuntu-latest
    outputs:
      hash: ${{ steps.extract_branch.outputs.hash }}
      hashFull: ${{ steps.extract_branch.outputs.hashFull }}
      versions: ${{ steps.extract_branch.outputs.versions }}
      artifacts: ${{ steps.extract_branch.outputs.artifacts }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - id: extract_branch
        name: Extract commit sha
        shell: bash
        run: |
          pushd llvm
          VERSIONS=$(ls .)
          popd

          echo "hash=${GITHUB_SHA:0:8}" >> $GITHUB_OUTPUT
          echo "hashFull=${GITHUB_SHA}" >> $GITHUB_OUTPUT

          echo -n 'versions=[' >> $GITHUB_OUTPUT
          OUTPUT_COMMA="false"
          for VERSION in $VERSIONS; do
            if [[ "$OUTPUT_COMMA" != "false" ]]; then
              echo -n ', ' >> $GITHUB_OUTPUT
            fi
            OUTPUT_COMMA="true"
            echo -n '"' >> $GITHUB_OUTPUT
            echo -n "$VERSION" >> $GITHUB_OUTPUT
            echo -n '"' >> $GITHUB_OUTPUT
          done
          echo ']' >> $GITHUB_OUTPUT

          echo -n "artifacts=info" >> $GITHUB_OUTPUT
          for VERSION in $VERSIONS; do
            echo -n ",llvm-linux-$VERSION-${GITHUB_SHA:0:8}.zip,llvm-win64-$VERSION-${GITHUB_SHA:0:8}.zip" >> $GITHUB_OUTPUT
          done
          echo '' >> $GITHUB_OUTPUT

          cat $GITHUB_OUTPUT

  llvm-redpoint-linux:
    name: "Build for Linux"
    needs:
      - variables
    strategy:
      matrix:
        version: ${{ fromJSON(needs.variables.outputs.versions) }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Checkout submodules
        run: git submodule update --init --recursive --depth 1 -- llvm/${{ matrix.version }}
      - name: Get submodule head
        id: get-submodule-head
        run: |
          echo "SUBMODULE_HASH=$(git -C llvm/${{ matrix.version }} rev-parse HEAD)" >> $GITHUB_OUTPUT
      - name: Restore cached build
        id: cache
        uses: actions/cache/restore@v4
        with:
          path: |
            llvm-linux-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}.zip
          key: llvm-linux-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}
      - name: Generate
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          cd llvm/${{ matrix.version }}
          mkdir -pv build/release/linux
          cmake \
            "-DLLVM_ENABLE_PROJECTS:STRING=clang;lld" \
            -DLLVM_INSTALL_TOOLCHAIN_ONLY:BOOL=TRUE \
            -DLLVM_INCLUDE_BENCHMARKS:BOOL=FALSE \
            -DLLVM_INCLUDE_DOCS:BOOL=FALSE \
            -DLLVM_INCLUDE_EXAMPLES:BOOL=FALSE \
            -DLLVM_INCLUDE_TESTS:BOOL=FALSE \
            -DCLANG_INCLUDE_TESTS:BOOL=FALSE \
            -DCLANG_INCLUDE_DOCS:BOOL=FALSE \
            -DLLVM_ENABLE_DIA_SDK:BOOL=FALSE \
            -DCMAKE_BUILD_TYPE=Release \
            -Hllvm -Bbuild/release/linux
      - name: Build
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          cmake --build llvm/${{ matrix.version }}/build/release/linux --config Release
      - name: Install
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          cmake --install llvm/${{ matrix.version }}/build/release/linux --config Release --prefix "/opt/llvm-redpoint/${{ matrix.version }}" --strip
      - name: "Prepare for Upload"
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          mv /opt/llvm-redpoint/${{ matrix.version }} llvm-linux-${{ matrix.version }}-${{ needs.variables.outputs.hash }}
          zip -r llvm-linux-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}.zip llvm-linux-${{ matrix.version }}-${{ needs.variables.outputs.hash }}
      - name: Save cached build
        if: steps.cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: |
            llvm-linux-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}.zip
          key: llvm-linux-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}
      - name: "Rename ZIP file"
        run: |
          mv "llvm-linux-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}.zip" "llvm-linux-${{ matrix.version }}-${{ needs.variables.outputs.hash }}.zip"
      - name: "Upload LLVM"
        uses: actions/upload-artifact@v6
        with:
          name: llvm-linux-${{ matrix.version }}-${{ needs.variables.outputs.hash }}
          if-no-files-found: error
          path: |
            llvm-linux-${{ matrix.version }}-${{ needs.variables.outputs.hash }}.zip

  llvm-redpoint-windows:
    name: "Build for Windows"
    needs:
      - variables
    strategy:
      matrix:
        version: ${{ fromJSON(needs.variables.outputs.versions) }}
    runs-on: windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Checkout submodules
        run: git submodule update --init --recursive --depth 1 -- llvm/${{ matrix.version }}
      - name: Get submodule head
        id: get-submodule-head
        shell: pwsh
        run: |
          $SubmoduleHash=(git -C llvm/${{ matrix.version }} rev-parse HEAD).Trim()
          Set-Content -Path $env:GITHUB_OUTPUT -Value "SUBMODULE_HASH=$SubmoduleHash"
      - name: Restore cached build
        id: cache
        uses: actions/cache/restore@v4
        with:
          path: |
            llvm-win64-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}.zip
          key: llvm-win64-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}
      - name: Generate
        if: steps.cache.outputs.cache-hit != 'true'
        shell: pwsh
        run: |
          cd llvm/${{ matrix.version }}
          mkdir build\release\win64
          cmake -T host=x64 -A x64 `
            "-DLLVM_ENABLE_PROJECTS:STRING=clang;lld" `
            -DLLVM_INSTALL_TOOLCHAIN_ONLY:BOOL=TRUE `
            -DLLVM_INCLUDE_BENCHMARKS:BOOL=FALSE `
            -DLLVM_INCLUDE_DOCS:BOOL=FALSE `
            -DLLVM_INCLUDE_EXAMPLES:BOOL=FALSE `
            -DLLVM_INCLUDE_TESTS:BOOL=FALSE `
            -DCLANG_INCLUDE_TESTS:BOOL=FALSE `
            -DCLANG_INCLUDE_DOCS:BOOL=FALSE `
            -DLLVM_ENABLE_DIA_SDK:BOOL=FALSE `
            -DCMAKE_BUILD_TYPE=Release `
            -Hllvm -Bbuild/release/win64
          if ($LastExitCode -ne 0) { exit $LastExitCode }
      - name: Build
        if: steps.cache.outputs.cache-hit != 'true'
        shell: pwsh
        run: |
          cmake --build llvm/${{ matrix.version }}/build/release/win64 --config Release
          if ($LastExitCode -ne 0) { exit $LastExitCode }
      - name: Install
        if: steps.cache.outputs.cache-hit != 'true'
        shell: pwsh
        run: |
          if (Test-Path "C:\Program Files\LLVM") {
            Remove-Item -Force -Recurse "C:\Program Files\LLVM"
          }
          cmake --install llvm/${{ matrix.version }}/build/release/win64 --config Release --strip
          if ($LastExitCode -ne 0) { exit $LastExitCode }
      - name: "Prepare for Upload"
        if: steps.cache.outputs.cache-hit != 'true'
        shell: pwsh
        run: |
          Move-Item -Force "C:\Program Files\LLVM" llvm-win64-${{ matrix.version }}-${{ needs.variables.outputs.hash }}
          Compress-Archive -Force -Path "llvm-win64-${{ matrix.version }}-${{ needs.variables.outputs.hash }}" -DestinationPath "llvm-win64-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}.zip"
      - name: Save cached build
        if: steps.cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: |
            llvm-win64-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}.zip
          key: llvm-win64-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}
      - name: "Rename ZIP file"
        shell: pwsh
        run: |
          Move-Item -Force "llvm-win64-${{ matrix.version }}-${{ steps.get-submodule-head.outputs.SUBMODULE_HASH }}.zip" "llvm-win64-${{ matrix.version }}-${{ needs.variables.outputs.hash }}.zip"
      - name: "Upload LLVM ZIP"
        uses: actions/upload-artifact@v6
        with:
          name: llvm-win64-${{ matrix.version }}-${{ needs.variables.outputs.hash }}
          if-no-files-found: error
          path: |
            llvm-win64-${{ matrix.version }}-${{ needs.variables.outputs.hash }}.zip

  create-release:
    name: "Create Release"
    needs:
      - variables
      - llvm-redpoint-linux
      - llvm-redpoint-windows
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    steps:
      - name: Download Artifacts
        uses: actions/download-artifact@v7
        with:
          merge-multiple: true
      - name: Create Info File
        run: |
          echo "linux=llvm-linux-18.x-${{ needs.variables.outputs.hash }}.zip" > info
          echo "win64=llvm-win64-18.x-${{ needs.variables.outputs.hash }}.zip" >> info
          echo "---" >> info
          ls *.zip >> info

          echo "Available ZIP files:"
          ls *.zip

          echo "All files in current directory:"
          ls *
      - name: Publish Release
        uses: ncipollo/release-action@v1
        with:
          artifacts: ${{ needs.variables.outputs.artifacts }}
          artifactErrorsFailBuild: true
          artifactContentType: "application/zip"
          tag: "build-${{ needs.variables.outputs.hash }}"
          commit: "${{ needs.variables.outputs.hashFull }}"
          body: This release of Clang was automatically created from a successful build.
          generateReleaseNotes: true
          makeLatest: true