name: Firmware gates

on:
  pull_request:
  push:
  workflow_dispatch:

permissions:
  contents: read

env:
  CARGO_BUILD_JOBS: 2

jobs:
  verification:
    name: Source-bound firmware verification
    runs-on: ubuntu-24.04
    timeout-minutes: 90
    steps:
      - name: Check out source
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - name: Install Nix
        uses: cachix/install-nix-action@75c75c31ebece974e48ebc36b4ad125bd97bd97b # v31
      - name: Fetch pinned dependencies
        working-directory: firmware
        run: nix develop .. -c cargo fetch --locked
      - name: Install the coverage compiler and matching LLVM tools
        run: nix develop -c rustup toolchain install nightly-2025-08-01 --profile minimal --component llvm-tools-preview
      - name: Install manifest-pinned Miri and Kani tools
        run: nix develop -c make verification-tools
      - name: Host, target, board, coverage, Miri and Kani gates
        run: nix develop -c make verification
      - name: Retain verification evidence, including failed attempts
        if: always()
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          name: firmware-verification
          path: |
            firmware/target/verification/**
            firmware/target/verification-tools/setup-*/*.log
          if-no-files-found: warn