migration repo

extra_script.py

@@ -0,0 +1,8 @@
+import os
+Import("env")
+
+# Access to global construction environment
+build_tag = env['PIOENV']
+version_tag = os.getenv("FIRMWARE_VERSION")
+
+env.Replace(PROGNAME="firmware_%s_%s" % (build_tag, version_tag))