fastlane: check version code is incremented before building for production

Author: sds100

fastlane/Fastfile

@@ -29,6 +29,13 @@ lane :production do
     version_code = get_properties_value(key: "VERSION_CODE", path: "./app/version.properties")
     version_name = get_properties_value(key: "VERSION_NAME", path: "./app/version.properties")
 
+    live_version_codes = google_play_track_version_codes()
+    latest_live_version_code = live_version_codes.max || 0
+
+    if version_code.to_i <= latest_live_version_code
+      UI.user_error!("VERSION_CODE (#{version_code}) in app/version.properties must be greater than the latest closed track version code (#{latest_live_version_code}).")
+    end
+
 #   Don't create changelog for f-droid because not committing it
 #   File.write("metadata/android/en-US/changelogs/" + version_code + ".txt", whats_new)
 
@@ -96,6 +103,13 @@ lane :internal do
     version_code = get_properties_value(key: "VERSION_CODE", path: "./app/version.properties")
     version_name = get_properties_value(key: "VERSION_NAME", path: "./app/version.properties")
 
+    live_version_codes = google_play_track_version_codes(track: "alpha")
+    latest_live_version_code = live_version_codes.max || 0
+
+    if version_code.to_i <= latest_live_version_code
+      UI.user_error!("VERSION_CODE (#{version_code}) in app/version.properties must be greater than the latest closed track version code (#{latest_live_version_code}).")
+    end
+
     # Check Rust formatting and run tests
     Dir.chdir("../evdev/src/main/rust/evdev_manager") do
       sh("cargo fmt --check")