name: CI debug

on:
  push:
    branches: [ci-debug]

env:
  ZIG_VERSION: "0.16.0"

jobs:
  probe:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4

      - name: Set up Zig
        uses: mlugg/setup-zig@v2
        with:
          version: ${{ env.ZIG_VERSION }}

      - name: Environment probe
        run: |
          echo "HOME=$HOME"
          env | grep -i zig || true
          echo "--- global cache candidates ---"
          for d in "$ZIG_GLOBAL_CACHE_DIR" "$HOME/.cache/zig"; do
            [ -n "$d" ] && { echo "dir: $d"; ls -la "$d" 2>&1 | head -10; }
          done
          echo "--- local cache ---"
          ls -la .zig-cache 2>&1 | head -10

      - name: Reproduce fetch failure
        run: |
          zig build --help >/dev/null 2>&1 || true
          zig build test 2>&1 | head -5 || true

      - name: Attempt fix (create tmp dirs) and retry fetch
        run: |
          for d in "$ZIG_GLOBAL_CACHE_DIR" "$HOME/.cache/zig"; do
            [ -n "$d" ] && mkdir -p "$d/tmp" "$d/p" && echo "created $d/tmp and $d/p"
          done
          zig build test 2>&1 | head -5