check.yml

name: Check

on:
  push:
  pull_request:

jobs:
  check:
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up Java 21
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: "21"

      - name: Generate progress
        run: python3 scripts/generate_progress.py

      - name: Check generated progress is up to date
        run: git diff --exit-code PROGRESS.md

      - name: Compile Java solutions
        shell: bash
        run: |
          set -euo pipefail
          while IFS= read -r -d '' file; do
            out_dir="$(mktemp -d)"
            tmp_file="$out_dir/Solution.java"
            printf 'import java.util.*;\n' > "$tmp_file"
            cat "$file" >> "$tmp_file"
            javac --release 21 -d "$out_dir" "$tmp_file"
            rm -rf "$out_dir"
          done < <(find leetcode/java -name Solution.java -print0)