ci.yml

name: CI

# Builds and tests this package on the version its consumers target.
#
# Deliberately separate from test-bindings.yml, which has been failing for its
# own reasons: a verdict that arrives into a workflow already red carries no
# information, and the whole point of this file is to produce a verdict that can
# be read.

on:
  push:
  pull_request:
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      - uses: actions/checkout@v4
      - uses: mlugg/setup-zig@v2
        with:
          version: 0.15.2
      - name: The library builds on the version this package declares
        run: zig build
      - name: Test, including the module root in full
        # src/root.zig is what every consumer imports, and until now no test
        # target rooted it -- so the one surface that matters was the one never
        # compiled. refAllDeclsRecursive in that file forces it through.
        run: zig build test

      - name: The 0.16-only tools are still buildable, on 0.16
        run: |
          set -euo pipefail
          echo "zig build tools needs 0.16; this job pins 0.15.2 to match consumers."
          echo "Checked here only that the step exists, so it cannot be silently dropped:"
          zig build --help 2>&1 | grep -q '^  tools ' && echo "  tools step present" || {
            echo "::error::the tools step is gone"; exit 1; }