Add Shell logging

app/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 24
-    buildToolsVersion "24.0.3"
+    buildToolsVersion "24.0.2"
 
     defaultConfig {
         applicationId "com.topjohnwu.magisk"

app/src/main/java/com/topjohnwu/magisk/utils/Logger.java

@@ -9,6 +9,8 @@ public class Logger {
 
     private static final String LOG_TAG = "Magisk: DEV";
 
+    private static final boolean logShell = true;
+
     public static void dev(String msg, Object... args) {
         Context context = null;
         try {
@@ -37,6 +39,12 @@ public class Logger {
         }
     }
 
+    public static void shell(boolean root, String msg) {
+        if (logShell) {
+            Log.d(root ? "SU" : "SH", msg);
+        }
+    }
+
     private static Application getApplicationUsingReflection() throws Exception {
         return (Application) Class.forName("android.app.AppGlobals")
                 .getMethod("getInitialApplication").invoke(null, (Object[]) null);

app/src/main/java/com/topjohnwu/magisk/utils/Shell.java

@@ -42,7 +42,7 @@ public class Shell {
         }
 
         rootSTDIN = new DataOutputStream(rootShell.getOutputStream());
-        rootSTDOUT = new StreamGobbler(rootShell.getInputStream(), rootOutList);
+        rootSTDOUT = new StreamGobbler(rootShell.getInputStream(), rootOutList, true);
         rootSTDOUT.start();
 
         List<String> ret = su("echo -BOC-", "id");
@@ -82,6 +82,7 @@ public class Shell {
                 for (String write : commands) {
                     STDIN.write((write + "\n").getBytes("UTF-8"));
                     STDIN.flush();
+                    Logger.shell(false, write);
                 }
                 STDIN.write("exit\n".getBytes("UTF-8"));
                 STDIN.flush();
@@ -149,6 +150,7 @@ public class Shell {
             for (String write : commands) {
                 STDIN.write((write + "\n").getBytes("UTF-8"));
                 STDIN.flush();
+                Logger.shell(true, write);
             }
             if (newShell) {
                 STDIN.write("exit\n".getBytes("UTF-8"));

app/src/main/java/com/topjohnwu/magisk/utils/StreamGobbler.java

@@ -14,6 +14,7 @@ public class StreamGobbler extends Thread {
 
     private BufferedReader reader = null;
     private List<String> writer = null;
+    private boolean isRoot = false;
 
     /**
      * <p>StreamGobbler constructor</p>
@@ -30,6 +31,12 @@ public class StreamGobbler extends Thread {
         writer = outputList;
     }
 
+    public StreamGobbler(InputStream inputStream, List<String> outputList, boolean root) {
+        reader = new BufferedReader(new InputStreamReader(inputStream));
+        writer = outputList;
+        isRoot = root;
+    }
+
     @Override
     public void run() {
         // keep reading the InputStream until it ends (or an error occurs)
@@ -37,6 +44,9 @@ public class StreamGobbler extends Thread {
             String line;
             while ((line = reader.readLine()) != null) {
                 writer.add(line);
+                if (!line.equals("-root-done-") && !line.isEmpty()) {
+                    Logger.shell(isRoot, "OUT: " + line);
+                }
             }
         } catch (IOException e) {
             // reader probably closed, expected exit condition