compiler/rustc_codegen_cranelift/.github/workflows/cranelift-release-branch.yml

name: Test upcoming Cranelift release branch

on:
  schedule:
    - cron: "0 3 6 * *"
  workflow_dispatch: {}

permissions: {}

env:
  CARGO_BUILD_INCREMENTAL: false
  RUSTFLAGS: "-Dwarnings"

jobs:
  test_upcoming_cranelift_release:
    runs-on: ubuntu-latest
    timeout-minutes: 90

    steps:
      - uses: actions/checkout@v6

      - name: Determine latest Wasmtime release branch
        id: wasmtime_release_branch
        run: |
          branches="$(
            git ls-remote --heads https://github.com/bytecodealliance/wasmtime.git "refs/heads/release-*" \
              | awk '{print $2}' \
              | sed 's#refs/heads/##' \
              | sort -V
          )"
          if [[ -z "${branches}" ]]; then
            echo "No wasmtime release branches found"
            exit 1
          fi
          latest="$(echo "${branches}" | tail -n 1)"
          echo "Latest release branch: ${latest}"
          echo "branch=${latest}" >> "$GITHUB_OUTPUT"

      - name: Patch Cargo.toml to use release branch Cranelift
        run: |
          cat >>Cargo.toml <<EOF
          [patch.crates-io]
          cranelift-codegen = { git = "https://github.com/bytecodealliance/wasmtime.git", branch = "$(echo $WASMTIME_RELEASE_BRANCH)" }
          cranelift-frontend = { git = "https://github.com/bytecodealliance/wasmtime.git", branch = "$(echo $WASMTIME_RELEASE_BRANCH)" }
          cranelift-module = { git = "https://github.com/bytecodealliance/wasmtime.git", branch = "$(echo $WASMTIME_RELEASE_BRANCH)" }
          cranelift-native = { git = "https://github.com/bytecodealliance/wasmtime.git", branch = "$(echo $WASMTIME_RELEASE_BRANCH)" }
          cranelift-jit = { git = "https://github.com/bytecodealliance/wasmtime.git", branch = "$(echo $WASMTIME_RELEASE_BRANCH)" }
          cranelift-object = { git = "https://github.com/bytecodealliance/wasmtime.git", branch = "$(echo $WASMTIME_RELEASE_BRANCH)" }
          EOF
          cargo check -p rustc-hash # update lockfile
        env:
          WASMTIME_RELEASE_BRANCH: ${{ steps.wasmtime_release_branch.outputs.branch }}

      - name: Prepare dependencies
        run: ./y.sh prepare

      - name: Build (sysroot none)
        run: ./y.sh build --sysroot none

      - name: Test
        env:
          TARGET_TRIPLE: x86_64-unknown-linux-gnu
        run: ./y.sh test