diff --git a/extract-files.sh b/extract-files.sh
index e73ecf0..22ca6ca 100755
--- a/extract-files.sh
+++ b/extract-files.sh
@@ -1,8 +1,7 @@
 #!/bin/bash
 #
-# Copyright (C) 2016 The CyanogenMod Project
-# Copyright (C) 2017-2024 The LineageOS Project
-#
+# SPDX-FileCopyrightText: 2016 The CyanogenMod Project
+# SPDX-FileCopyrightText: 2017-2024 The LineageOS Project
 # SPDX-License-Identifier: Apache-2.0
 #
 
@@ -33,18 +32,18 @@ SECTION=
 while [ "${#}" -gt 0 ]; do
     case "${1}" in
         -n | --no-cleanup )
-                CLEAN_VENDOR=false
-                ;;
+            CLEAN_VENDOR=false
+            ;;
         -k | --kang )
-                KANG="--kang"
-                ;;
+            KANG="--kang"
+            ;;
         -s | --section )
-                SECTION="${2}"; shift
-                CLEAN_VENDOR=false
-                ;;
+            SECTION="${2}"; shift
+            CLEAN_VENDOR=false
+            ;;
         * )
-                SRC="${1}"
-                ;;
+            SRC="${1}"
+            ;;
     esac
     shift
 done
@@ -56,12 +55,23 @@ fi
 function blob_fixup() {
     case "${1}" in
         system/lib64/libcamera_algoup_jni.xiaomi.so|system/lib64/libcamera_mianode_jni.xiaomi.so)
+            [ "$2" = "" ] && return 0
             "${PATCHELF}" --add-needed "libgui_shim_miuicamera.so" "${2}"
             ;;
         system/priv-app/MiuiCamera/MiuiCamera.apk)
+            [ "$2" = "" ] && return 0
             split --bytes=49M -d "$2" "$2".part
             ;;
+        *)
+            return 1
+            ;;
     esac
+
+    return 0
+}
+
+function blob_fixup_dry() {
+    blob_fixup "$1" ""
 }
 
 if [ -z "$SRC" ]; then
diff --git a/setup-makefiles.sh b/setup-makefiles.sh
index e3de67c..bd733f7 100755
--- a/setup-makefiles.sh
+++ b/setup-makefiles.sh
@@ -1,8 +1,7 @@
 #!/bin/bash
 #
-# Copyright (C) 2016 The CyanogenMod Project
-# Copyright (C) 2017-2024 The LineageOS Project
-#
+# SPDX-FileCopyrightText: 2016 The CyanogenMod Project
+# SPDX-FileCopyrightText: 2017-2024 The LineageOS Project
 # SPDX-License-Identifier: Apache-2.0
 #