KeyPath/.github/workflows/cache-warm.yml at master · malpern/KeyPath · GitHub

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name: Warm Build Cache

on:
  push:
    branches: [master]
    paths:
      - 'Sources/**'
      - 'External/kanata/**'
      - 'Package.swift'
      - 'Package.resolved'
      - '.github/workflows/cache-warm.yml'
      - '.github/workflows/ci.yml'

jobs:
  warm-cache:
    runs-on: [self-hosted, macOS, keypath]
    timeout-minutes: 5
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          submodules: true

      - name: Add Homebrew and Cargo to PATH
        run: |
          echo "/opt/homebrew/bin" >> $GITHUB_PATH
          echo "$HOME/.cargo/bin" >> $GITHUB_PATH

      - name: Build Swift (warms .build cache for PR jobs)
        run: swift build

      - name: Compute kanata cache key
        id: kanata-cache-key
        run: |
          KANATA_SHA=$(git rev-parse HEAD:External/kanata)
          CARGO_LOCK_HASH=$(shasum -a 256 External/kanata/Cargo.lock | awk '{print $1}')
          RUSTC_HASH=$(rustc --version | shasum -a 256 | awk '{print $1}')
          echo "key=kanata-${{ runner.os }}-${{ runner.arch }}-${KANATA_SHA}-${CARGO_LOCK_HASH}-${RUSTC_HASH}" >> "$GITHUB_OUTPUT"
          echo "Kanata submodule: $KANATA_SHA"

      - name: Restore kanata binary cache
        id: kanata-cache
        uses: actions/cache@v4
        with:
          path: build/ci-kanata-cache
          key: ${{ steps.kanata-cache-key.outputs.key }}

      - name: Build kanata fork (warms cargo and binary cache)
        run: |
          mkdir -p build/ci-kanata-cache
          if [[ -x build/ci-kanata-cache/kanata && -x build/ci-kanata-cache/kanata-simulator ]]; then
            echo "✅ Kanata binary cache already warm"
            exit 0
          fi
          cd External/kanata
          cargo build --release --target aarch64-apple-darwin 2>&1 | tail -20
          cargo build --release --target aarch64-apple-darwin -p kanata-sim 2>&1 | tail -20
          cd ../..
          cp External/kanata/target/aarch64-apple-darwin/release/kanata build/ci-kanata-cache/kanata
          cp External/kanata/target/aarch64-apple-darwin/release/kanata_simulated_input build/ci-kanata-cache/kanata-simulator
          chmod 755 build/ci-kanata-cache/kanata build/ci-kanata-cache/kanata-simulator