Adding arch script to reuse

.github/workflows/build.yaml

@@ -23,7 +23,7 @@ jobs:
         run: |
           mkdir dist
           echo "::set-env name=VERSION::$(python scripts/get_version.py)"
-          echo "::set-env name=ARCH::$(python -c 'import platform; print(\"arm64\" if \"arm64\" in platform.platform() else \"x86_64\")')"
+          echo "::set-env name=ARCH::$(python scripts/get_arch.py)"
           echo "Building branch ${{env.GITHUB_REF}} - version ${{env.VERSION}} - on ${{env.ARCH}}"
         env:
           ACTIONS_ALLOW_UNSECURE_COMMANDS: true

scripts/get_arch.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import sys
+import platform
+
+
+def write_and_exit(msg):
+    sys.stdout.write(msg)
+    sys.stdout.flush()
+    sys.exit(0)
+
+
+write_and_exit("arm64" if "arm64" in platform.platform() else "x86_64")