Improve androidVersionCode parsing and application (#297)

dist/default-build-script/Assets/Editor/UnityBuilderAction/Versioning/VersionApplicator.cs

@@ -15,7 +15,12 @@ namespace UnityBuilderAction.Versioning
     }
 
     public static void SetAndroidVersionCode(string androidVersionCode) {
-      PlayerSettings.Android.bundleVersionCode = Int32.Parse(androidVersionCode);
+      int bundleVersionCode = Int32.Parse(androidVersionCode);
+      if (bundleVersionCode <= 0) {
+        return;
+      }
+	  
+      PlayerSettings.Android.bundleVersionCode = bundleVersionCode;
     }
 
     static void Apply(string version)

dist/index.js

@@ -161,6 +161,10 @@ class AndroidVersioning {
         return inputVersionCode;
     }
     static versionToVersionCode(version) {
+        if (version === 'none') {
+            core.info(`Versioning strategy is set to ${version}, so android version code should not be applied.`);
+            return 0;
+        }
         const parsedVersion = semver.parse(version);
         if (!parsedVersion) {
             core.warning(`Could not parse "${version}" to semver, defaulting android version code to 1`);
@@ -169,7 +173,7 @@ class AndroidVersioning {
         // The greatest value Google Plays allows is 2100000000.
         // Allow for 3 patch digits, 3 minor digits and 3 major digits.
         const versionCode = parsedVersion.major * 1000000 + parsedVersion.minor * 1000 + parsedVersion.patch;
-        if (versionCode >= 1000000000) {
+        if (versionCode >= 2050000000) {
             throw new Error(`Generated versionCode ${versionCode} is dangerously close to the maximum allowed number 2100000000. Consider a different versioning scheme to be able to continue updating your application.`);
         }
         core.info(`Using android versionCode ${versionCode}`);