ci: add test-reproducibility

Author: wislertt

.github/workflows/ci-template-reproducibility.yml

@@ -0,0 +1,60 @@
+name: ci
+
+on:
+    push:
+        branches: [main]
+    pull_request:
+        types: [opened, synchronize, reopened]
+
+jobs:
+    test-reproducibility:
+        runs-on: ubuntu-latest
+
+        steps:
+            - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+
+            - name: Set up Python
+              uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+              with:
+                  python-version: "3.13"
+
+            - name: Install Poetry
+              uses: snok/install-poetry@76e04a911780d5b312d89783f7b1cd627778900a # v1.4.1
+              with:
+                  virtualenvs-create: true
+                  virtualenvs-in-project: true
+                  installer-parallel: true
+
+            - name: Load cached venv
+              id: cached-poetry-dependencies
+              uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
+              with:
+                  path: .venv
+                  key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
+
+            - name: Install dependencies
+              if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
+              run: poetry install --no-interaction --no-ansi
+
+            - name: Cache Graphviz
+              id: cache-graphviz
+              uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
+              with:
+                  path: /usr/bin/dot
+                  key: graphviz-${{ runner.os }}
+
+            - name: Install Graphviz
+              if: steps.cache-graphviz.outputs.cache-hit != 'true'
+              run: sudo apt-get update && sudo apt-get install -y graphviz
+
+            - name: Delete existing problems
+              run: rm -rf leetcode/*/
+
+            - name: Regenerate all problems from templates
+              run: make gen-all-problems FORCE=1
+              env:
+                  # Skip interactive confirmation
+                  CI: true
+
+            - name: Run linting to verify reproducibility
+              run: make lint

Makefile

@@ -81,7 +81,9 @@ p-del:
 # Generate All Problems - useful for people who fork this repo
 gen-all-problems:
 	@echo "This will DELETE all existing problems and regenerate from JSON templates."
-	@read -p "Are you sure? (y/N): " confirm && [ "$$confirm" = "y" ] || exit 1
+	@if [ "$$CI" != "true" ]; then \
+		read -p "Are you sure? (y/N): " confirm && [ "$$confirm" = "y" ] || exit 1; \
+	fi
 	@echo "Deleting existing problems..."
 	@rm -rf leetcode/*/
 	@echo "Generating all problems..."