add possiblilty to blacklist packages

README.md

@@ -50,6 +50,14 @@ You, the user, download the original apps yourself.
 This module will patch the installed apps during installation
 **right on your device**.
 
+## Blacklisting packages
+
+All compatible apps installed on the device are patched by default.
+
+If you want to exclude certain apps from being patched,
+add their packagename into a file called `revancedrepackaged-blacklist.txt`
+and place it into `/sdcard` or `/data/adb`.
+
 ## Issues and Support
 
 You are welcome to 

magiskmodule/customize.sh

@@ -13,6 +13,15 @@ MAGISKTMP="$(magisk --path)" || MAGISKTMP=/sbin
 MIRROR="$MAGISKTMP"/.magisk/mirror
 ui_print "- Found Magisk mirror at $MIRROR"
 
+findConfigFile() {
+    for path in /storage/emulated/0 /data/adb; do
+        [ -f "$path/$1" ] && echo "$path/$1" && break
+    done
+}
+
+BLACKLIST="$(findConfigFile revancedrepackaged-blacklist.txt)"
+[ -n "$BLACKLIST" ] && ui_print "- Found blacklist at $BLACKLIST"
+
 ui_print "- Preparing Patching Process"
 
 [ ! -f aapt2lib/$ARCH/libaapt2.so ] && abort "Failed to locate libaapt2.so for $ARCH"
@@ -29,6 +38,10 @@ processPackage() {
 
     [ -z "$(pm list packages "$packagename")" ] && return
 
+    grep -q -F "$packagename" < "$BLACKLIST" \
+    && ui_print "- Skipping $packagename (blacklisted)" \
+    && return
+
     ui_print "- Processing $packagename"
 
     installedpackageversion="$(pm dump $packagename | grep -E '^ *versionName=.*$' | cut -d'=' -f2)"