Install Magisk Manager stub if not installed

.gitattributes

@@ -13,4 +13,5 @@
 busybox binary
 futility binary
 *.jar binary
-*.exe binary
+*.exe binary
+*.apk binary

scripts/flash_script.sh

@@ -291,6 +291,7 @@ if (is_mounted /data); then
   mkdir -p /data/busybox
   cp -af $BINDIR /data/magisk
   cp -af $INSTALLER/common/init.magisk.rc $INSTALLER/common/magic_mask.sh /data/magisk
+  cp -af $INSTALLER/common/magisk.apk /data/magisk.apk
   /data/magisk/busybox --install -s /data/busybox
   ln -s /data/magisk/busybox /data/busybox/busybox
   # Prevent issues
@@ -303,6 +304,7 @@ else
   rm -rf /cache/data_bin 2>/dev/null
   cp -af $BINDIR /cache/data_bin
   cp -af $INSTALLER/common/init.magisk.rc $INSTALLER/common/magic_mask.sh /cache/data_bin
+  cp -af $INSTALLER/common/magisk.apk /cache/magisk.apk
   chmod -R 755 /cache/data_bin
   BINDIR=/cache/data_bin
 fi

scripts/magic_mask.sh

@@ -280,7 +280,8 @@ case $1 in
         rm -f $TOOLPATH/su $TOOLPATH/sh $TOOLPATH/reboot
       fi
 
-      mv /cache/stock_boot.img /data 2>/dev/null
+      mv /cache/stock_boot.img /data/stock_boot.img 2>/dev/null
+      mv /cache/magisk.apk /data/magisk.apk 2>/dev/null
 
       find $BINPATH -exec chcon -h "u:object_r:system_file:s0" {} \;
       find $TOOLPATH -exec chcon -h "u:object_r:system_file:s0" {} \;
@@ -435,6 +436,20 @@ case $1 in
         bind_mount $COREDIR/busybox /system/xbin
       fi
 
+      if [ -f /data/magisk.apk ]; then
+        if [ -z `ls /data/app | grep com.topjohnwu.magisk` ]; then
+          mkdir /data/app/com.topjohnwu.magisk-1
+          cp /data/magisk.apk /data/app/com.topjohnwu.magisk-1/base.apk
+          chown 1000.1000 /data/app/com.topjohnwu.magisk-1
+          chown 1000.1000 /data/app/com.topjohnwu.magisk-1/base.apk
+          chmod 755 /data/app/com.topjohnwu.magisk-1
+          chmod 644 /data/app/com.topjohnwu.magisk-1/base.apk
+          chcon u:object_r:apk_data_file:s0 /data/app/com.topjohnwu.magisk-1
+          chcon u:object_r:apk_data_file:s0 /data/app/com.topjohnwu.magisk-1/base.apk
+        fi
+        rm -f /data/magisk.apk 2>/dev/null
+      fi
+
       # Restart post-fs-data if necessary (multirom)
       $MULTIROM && setprop magisk.restart_pfsd 1