linux-systems-programming/.github/workflows/validate.yml at main · patterncatalyst/linux-systems-programming · GitHub

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# Static validation plus per-language template smoke builds.
#
# What CI can and cannot verify: these jobs only run scripts/validate.py and
# build the hello-syscall templates. They CANNOT run the demos that need a
# KVM/libvirt VM, root privileges, or the LGTM stack — none of that exists on
# GitHub-hosted runners. The authoritative gate for the book remains a host
# run of scripts/test-all-examples.py against the real VM lab.

name: validate

on:
  push:
    branches: [main]
  pull_request:

permissions:
  contents: read

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repo
        uses: actions/checkout@v5

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      # Needed for validate.py's Lua syntax pass; non-fatal so a transient
      # apt outage doesn't block the whole workflow (validate.py skips the
      # pass when lua5.4 is absent).
      - name: Install Lua 5.4 (best effort)
        run: sudo apt-get update && sudo apt-get install -y lua5.4 || echo "lua5.4 install failed; Lua syntax pass will be skipped"

      - name: Run validate.py
        run: python3 scripts/validate.py

  smoke-go:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repo
        uses: actions/checkout@v5

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: examples/_template/go/go.mod

      - name: Build Go template
        working-directory: examples/_template/go
        run: go build ./...

  smoke-rust:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repo
        uses: actions/checkout@v5

      - name: Set up Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: "1.97.1"

      - name: Build Rust template
        working-directory: examples/_template/rust
        run: cargo build --release

  smoke-cpp:
    runs-on: ubuntu-latest
    # Match the book's primary toolchain (Fedora GCC) rather than Ubuntu's.
    container: fedora:44
    steps:
      - name: Check out repo
        uses: actions/checkout@v5

      - name: Install toolchain
        run: dnf install -y gcc-c++ cmake ninja-build

      - name: Build C++ template
        working-directory: examples/_template/cpp
        run: |
          cmake --preset release
          cmake --build --preset release