name: chatmaild CI

on:
  # Triggers when a PR is merged into main or a direct push occurs
  push:
    branches: [ "main" ]
    
  # Triggers for any PR (and its subsequent commits) targeting the main branch
  pull_request:
    branches: [ "main" ]

permissions: {}

# Newest push wins: Prevents multiple runs from clashing and wasting runner efforts
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  tox:
    name: isolated chatmaild tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        # Checkout pull request HEAD commit instead of merge commit
        # Otherwise `test_deployed_state` will be unhappy.
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          persist-credentials: false
      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # master
        with:
          toolchain: stable
      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
      - name: compile filtermail
        run: |
          sudo apt-get update && sudo apt-get install -y musl-tools
          rustup target add x86_64-unknown-linux-musl
          cd filtermail && CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_LINKER=musl-gcc RUSTFLAGS="-Ctarget-feature=+crt-static -Clink-self-contained=yes" cargo build --release --target x86_64-unknown-linux-musl
          mv target/x86_64-unknown-linux-musl/release/filtermail /usr/local/bin/filtermail && chmod +x /usr/local/bin/filtermail
      - name: run chatmaild tests 
        working-directory: chatmaild
        run: pipx run tox