Check release tag before publishing docker image

.github/workflows/docker_publish.yaml

@@ -13,6 +13,9 @@ jobs:
     steps:
       - name: Check out repo
         uses: actions/checkout@v2
+      - name: Check Release tag
+        run: |
+          python3 ci/check_version_number.py ${{ github.event.release.tag_name }}
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
       - name: Set up Docker Buildx

ci/check_version_number.py

@@ -0,0 +1,38 @@
+"""
+On release, ensure that the release tag matches the InvenTree version number!
+"""
+
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+import sys
+import re
+import os
+import argparse
+
+if __name__ == '__main__':
+
+    here = os.path.abspath(os.path.dirname(__file__))
+
+    version_file = os.path.join(here, '..', 'InvenTree', 'InvenTree', 'version.py')
+
+    with open(version_file, 'r') as f:
+
+        results = re.findall(r'INVENTREE_SW_VERSION = "(.*)"', f.read())
+
+        if not len(results) == 1:
+            print(f"Could not find INVENTREE_SW_VERSION in {version_file}")
+            sys.exit(1)
+
+        version = results[0]
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument('tag', help='Version tag', action='store')
+
+    args = parser.parse_args()
+
+    if not args.tag == version:
+        print(f"Release tag '{args.tag}' does not match INVENTREE_SW_VERSION '{version}'")
+        sys.exit(1)
+
+sys.exit(0)