release-assets.yml

name: Build & attach tarballs on tag push

on:
  push:
    tags: ['v[0-9]*']

permissions:
  contents: write
  id-token: write

env:
  TAG: ${{ github.ref_name }}

jobs:
  build:
    strategy:
      matrix:
        include:
          - { target: x86_64,      os: ubuntu-24.04 }
          - { target: aarch64,     os: ubuntu-24.04-arm }
          - { target: arm,         os: ubuntu-24.04-arm }
#          - { target: riscv64,     os: ubuntu-24.04 }
#          - { target: ppc64le,     os: ubuntu-24.04 }
#          - { target: s390x,       os: ubuntu-24.04 }
#          - { target: loongarch64, os: ubuntu-24.04 }

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v4

      - name: Install Podman
        run: sudo apt-get update && sudo apt-get install -y podman qemu-user-static

      - name: Login to GitHub Container Registry
        uses: redhat-actions/podman-login@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build distribution tarballs
        run: ./dist.sh ${{ matrix.target }}

      - uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.target }}
          path: dist/mold-*.tar.gz

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

      - uses: actions/download-artifact@v4
        with:
          path: dist
          pattern: '*'
          merge-multiple: true

      - name: Ensure release exists (create if missing)
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -e
          if gh release view "$TAG" >& /dev/null; then
            echo "Existing release found for $TAG"
          else
            echo "Creating draft release for $TAG"
            gh release create "$TAG" --draft \
              --title "$TAG" \
              --notes "Automated draft – fill the changelog later."
          fi

      - name: Upload tarballs
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release upload "$TAG" dist/* --clobber
          gh release view "$TAG" --json assets --jq '.assets[].name'