name: Setup Rust
description: Setup Rust
inputs:
  target:
    description: Toolchain target triple
    required: false
  save-cache:
    description: Whether or not to save the rust cache
    required: false
    default: 'false'
  restore-cache:
    description: Whether or not to restore the rust cache
    required: false
    default: 'true'
runs:
  using: composite
  steps:
    - name: Install Rust Stable
      uses: dtolnay/rust-toolchain@7b1c307e0dcbda6122208f10795a713336a9b35a
      with:
        toolchain: stable
        targets: ${{ inputs.target }}
        components: clippy, rustfmt

    - name: Install Rust Nightly
      uses: dtolnay/rust-toolchain@7b1c307e0dcbda6122208f10795a713336a9b35a
      with:
        toolchain: nightly
        targets: ${{ inputs.target }}
        components: clippy, rustfmt

    - name: Cache Rust
      if: ${{ inputs.restore-cache == 'true' }}
      uses: Swatinem/rust-cache@9bdad043e88c75890e36ad3bbc8d27f0090dd609
      with:
        key: ${{ inputs.target }}
        save-if: ${{ inputs.save-cache }}
        shared-key: stable-cache

    - name: Prepare Cargo
      shell: bash
      run: echo '{}' | npx -y mustache - .cargo/config.toml.mustache .cargo/config.toml

    - name: Prisma Cache
      id: prisma-cache
      uses: actions/cache/restore@v4
      with:
        key: prisma-v1-${{ runner.os }}-${{ hashFiles('./packages/core/prisma/*', './Cargo.*') }}
        path: packages/prisma/src/**/*.rs

    - name: Generate Prisma
      if: ${{ steps.prisma-cache.outputs.cache-hit != 'true' }}
      shell: bash
      run: |
        set -euxo pipefail
        npx -y prisma generate --schema packages/core/prisma/schema.prisma

        if ! [ -f packages/prisma/src/prisma/mod.rs ]; then
          echo "prisma generation failed" >&2
          exit 1
        fi

        npx -y prisma migrate dev --schema packages/core/prisma/schema.prisma -n test --create-only --skip-generate
        _new_migrations="$(
          git ls-files --others --exclude-standard \
            | { grep '^prisma/migrations/' || true; } \
            | xargs sh -euxc '[ "$#" -lt 2 ] || grep -L "$@" || true' sh 'empty migration' \
            | wc -l \
            | awk '{$1=$1};1'
        )"
        if [ "$_new_migrations" -gt 0 ]; then
            echo "::error file=packages/core/prisma/schema.prisma,title=missing migration::new migration should be generated due to changes in prisma schema"
            case "$GITHUB_REF" in
                "refs/heads/main" | "refs/heads/gh-readonly-queue/main/"* | "refs/tags/"*)
                    exit 1
                    ;;
            esac
        fi

    - name: Save Prisma Cache
      id: prisma-cache-save
      if: ${{ steps.prisma-cache.outputs.cache-hit != 'true' && (github.ref == 'refs/heads/main' || inputs.save-cache == 'true') }}
      uses: actions/cache/save@v4
      with:
        key: ${{ steps.cache-prisma-restore.outputs.cache-primary-key }}
        path: packages/prisma/src/**/*.rs