check if version was bumped

Signed-off-by: ozkanonur <[email protected]>

.github/workflows/validate-mm2-version.yml

@@ -0,0 +1,25 @@
+name: Validate mm2 version
+
+on:
+  pull_request:
+    branches:
+      - dev
+
+jobs:
+  validate_version_change:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3
+
+      - name: Install dependencies
+        run: pip install toml
+
+      - name: Run version check
+        run: ./scripts/ci/validate-dev-to-main-pr.py

scripts/ci/validate-dev-to-main-pr.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+
+import subprocess
+import sys
+import toml
+
+
+def get_previous_version():
+    subprocess.run(['git', 'fetch', 'origin', 'main'])
+    previous_version = subprocess.check_output(
+        ['git', 'show', 'origin/main:./mm2src/mm2_bin_lib/Cargo.toml']).decode()
+    cargo_data = toml.loads(previous_version)
+    previous_version = cargo_data['package']['version']
+
+    return previous_version
+
+
+def get_current_version():
+    with open('./mm2src/mm2_bin_lib/Cargo.toml', 'r') as file:
+        cargo_toml_pr = file.read()
+
+    cargo_data_pr = toml.loads(cargo_toml_pr)
+
+    return cargo_data_pr['package']['version']
+
+
+current_version = get_current_version()
+previous_version = get_previous_version()
+
+print(f"Main branch mm2 version: {previous_version}")
+print(f"Current branch mm2 version: {current_version}")
+
+if previous_version == current_version:
+    print("Bump the mm2 version before merge!")
+    sys.exit(1)