Make it possible to add system/0 to the scope from the CLI and add info to README

README.md

@@ -54,6 +54,10 @@ We use our own module repository. We welcome developers to submit modules to our
 
 - [LSPosed Module Repository](https://github.com/Xposed-Modules-Repo)
 
+## Building locally
+- Clone [libxposed:api](https://github.com/libxposed/api/commit/54582730315ba4a3d7cfaf9baf9d23c419e07006) and [libxposed:service](https://github.com/libxposed/service)
+- Execute `./gradlew publishToMavenLocal` so these dependencies can directly be referenced by this project
+
 ## Translation Contributing
 
 You can contribute translation [here](https://crowdin.com/project/lsposedmod).

daemon/src/main/java/org/lsposed/lspd/cli/Main.java

@@ -282,26 +282,26 @@ public Integer call() throws RemoteException {
             objArgs.bSet = true;
         }
 
-        boolean bAndroidExist = false;
+        boolean bAndroidOrSystemExist = false;
         if (objArgs.bSet) {
             var lstScope = manager.getModuleScope(moduleName);
             if (lstScope == null) {
                 System.err.println(manager.getLastErrorMsg());
                 return ERRCODES.SET_SCOPE.ordinal();
             }
-            bAndroidExist = Utils.checkPackageInScope("android", lstScope);
+            bAndroidOrSystemExist = Utils.checkPackageInScope("android", lstScope) | Utils.checkPackageInScope("system", lstScope);
         }
 
         for(var scope : scopes) {
             if (Utils.validPackageNameAndUserId(manager, scope.packageName, scope.userId)) {
-                if (scope.packageName.equals("android")) {
+                if (scope.packageName.equals("android") || scope.packageName.equals("system")) {
                     bMsgReboot = true;
                 }
             } else if (!bIgnore) {
                 throw new RuntimeException("Error: " + scope.packageName + (scope.userId < 0? "" : ("/" + scope.userId)) + " is not a valid package name");
             }
         }
-        if (bAndroidExist && !bMsgReboot) { // if android is removed with setcommand reboot is required
+        if (bAndroidOrSystemExist && !bMsgReboot) { // if android or system is removed with setcommand reboot is required
             bMsgReboot = true;
         }
         if (bMsgReboot) {

daemon/src/main/java/org/lsposed/lspd/cli/Utils.java

@@ -2,6 +2,7 @@
 
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
+import android.os.Parcel;
 import android.os.RemoteException;
 
 import org.lsposed.lspd.ICLIService;
@@ -35,6 +36,16 @@ private static void initPackagesMap(ICLIService managerService) throws RemoteExc
         for (var packageInfo: packages) {
             int userid = packageInfo.applicationInfo.uid / 100000;
             packagesMap.put(packageInfo.packageName + "|" + userid, packageInfo);
+
+            if ("android".equals(packageInfo.packageName)) {
+                var p = Parcel.obtain();
+                packageInfo.writeToParcel(p, 0);
+                p.setDataPosition(0);
+                PackageInfo system = PackageInfo.CREATOR.createFromParcel(p);
+                system.packageName = "system";
+                system.applicationInfo.packageName = system.packageName;
+                packagesMap.put(system.packageName + "|" + userid, system);
+            }
         }
     }