prevent releasing an app that have org.test or org.kivy as domain. Cl…

…oses #500

buildozer/target.py

@@ -103,7 +103,38 @@ def cmd_debug(self, *args):
         self.buildozer.build()
 
     def cmd_release(self, *args):
+        error = self.buildozer.error
         self.buildozer.prepare_for_build()
+        if self.buildozer.config.get("app", "package.domain") == "org.test":
+            error("")
+            error("ERROR: Trying to release a package that starts with org.test")
+            error("")
+            error("The package.domain org.test is, as the name intented, a test.")
+            error("Once you published an application with org.test,")
+            error("you cannot change it, it will be part of the identifier")
+            error("for Google Play / App Store / etc.")
+            error("")
+            error("So change package.domain to anything else.")
+            error("")
+            error("If you messed up before, set the environment variable to force the build:")
+            error("export BUILDOZER_ALLOW_ORG_TEST_DOMAIN=1")
+            error("")
+            if "BUILDOZER_ALLOW_ORG_TEST_DOMAIN" not in os.environ:
+                exit(1)
+
+        if self.buildozer.config.get("app", "package.domain") == "org.kivy":
+            error("")
+            error("ERROR: Trying to release a package that starts with org.kivy")
+            error("")
+            error("The package.domain org.kivy is reserved for the Kivy official")
+            error("applications. Please use your own domain.")
+            error("")
+            error("If you are a Kivy developer, add an export in your shell")
+            error("export BUILDOZER_ALLOW_KIVY_ORG_DOMAIN=1")
+            error("")
+            if "BUILDOZER_ALLOW_KIVY_ORG_DOMAIN" not in os.environ:
+                exit(1)
+
         self.build_mode = 'release'
         self.buildozer.build()
 
@@ -115,4 +146,3 @@ def cmd_run(self, *args):
 
     def cmd_serve(self, *args):
         self.buildozer.cmd_serve()
-