build-rust.yml

name: Build Rust Artifacts

on:
  workflow_call:
    inputs:
      cache-key:
        description: "Cache key suffix for rust cache"
        required: true
        type: string
      artifact-name:
        description: "Base name for the uploaded artifact"
        required: true
        type: string
    outputs:
      artifact-name:
        description: "The actual artifact name with hash suffix"
        value: ${{ jobs.build.outputs.artifact-name }}

jobs:
  build:
    name: Build Rust Artifacts
    runs-on: ubuntu-latest
    timeout-minutes: 15
    outputs:
      artifact-name: ${{ inputs.artifact-name }}-${{ steps.source-hash.outputs.hash }}
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2
        with:
          shared-key: ${{ inputs.cache-key }}

      - name: Calculate source files hash
        id: source-hash
        run: |
          SOURCE_HASH=$(find crates tests Cargo.toml Cargo.lock Makefile makefiles -type f \( -name "*.rs" -o -name "*.toml" -o -name "Makefile" \) -exec sha256sum {} \; | sort | sha256sum | cut -d' ' -f1 | head -c 8)
          echo "hash=$SOURCE_HASH" >> $GITHUB_OUTPUT
          echo "Source files hash: $SOURCE_HASH"

      - name: Build workspace
        run: make build

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: ${{ inputs.artifact-name }}-${{ steps.source-hash.outputs.hash }}
          path: |
            target/debug/kora
            target/debug/test_runner
          retention-days: 1