Build even if there are no patches

entrypoint.sh

@@ -15,7 +15,7 @@ echo $KEYSTORE_FILE | base64 -d > keystore.jks
 echo $KEYSTORE_PROPERTIES | base64 -d > keystore.properties
 
 for patch in /patches/*; do
-    patch -p0 < $patch
+    [ -e $patch ] && patch -p0 < $patch
 done
 
 gradle --no-daemon assembleGithub

patches/10-pro.diff

@@ -1,6 +1,6 @@
---- app/src/play/java/eu/faircode/email/ActivityBilling.java	2020-08-15 10:33:56.000000000 +0000
+--- app/src/play/java/eu/faircode/email/ActivityBilling.java	2020-08-30 11:37:31.000000000 +0000
-+++ app/src/play/java/eu/faircode/email/ActivityBilling.java	2020-08-15 10:33:56.000000000 +0000
++++ app/src/play/java/eu/faircode/email/ActivityBilling.java	2020-08-30 17:14:51.498662023 +0000
-@@ -192,10 +192,7 @@
+@@ -196,10 +196,11 @@
      }
  
      static boolean isPro(Context context) {
@@ -8,6 +8,10 @@
 -            return true;
 -        return PreferenceManager.getDefaultSharedPreferences(context)
 -                .getBoolean("pro", false);
++        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
++        if (!prefs.getBoolean("pro", false)) {
++            prefs.edit().putBoolean("pro", true).commit();
++        }
 +        return true;
      }