static-build-and-upload.yml

name: static build and upload
on:
  pull_request:
  push:
      branches:
        - main

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref || github.run_id }}
  cancel-in-progress: true

jobs:
  static-build:
    runs-on: ubuntu-22.04
    permissions:
        id-token: write
        contents: read

    steps:
    - uses: actions/checkout@main
    - uses: DeterminateSystems/nix-installer-action@main
    - uses: DeterminateSystems/magic-nix-cache-action@main

    - name: Set up nix dev env
      run: nix develop --command echo 0

    - name: Build `lightswitch` statically linked with glibc
      run: nix develop --ignore-environment --command bash -c 'RUSTFLAGS="-C target-feature=+crt-static" cargo build --release --target x86_64-unknown-linux-gnu'

    - name: Show size
      run: ls -lah target/x86_64-unknown-linux-gnu/release/lightswitch

    - name: Run `ldd`
      run: ldd target/x86_64-unknown-linux-gnu/release/lightswitch

    - name: Upload binary
      if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
      uses: actions/upload-artifact@main
      with:
        name: lightswitch-x86_64
        path: target/x86_64-unknown-linux-gnu/release/lightswitch