diff --git a/src/build/tools.sh b/src/build/tools.sh
index 7f7d4c7..292857d 100644
--- a/src/build/tools.sh
+++ b/src/build/tools.sh
@@ -1,36 +1,46 @@
 dl_gh() {
-    for repo in $1 ; do
+  for repo in "$1"; do
     wget -qO- "https://api.github.com/repos/$2/$repo/releases/$3" \
-    | jq -r '.assets[] | "\(.browser_download_url) \(.name)"' \
-    | while read -r url names; do
+      | jq -r '.assets[] | "\(.browser_download_url) \(.name)"' \
+      | while read -r url names; do
         echo "Downloading $names from $url"
-        wget -q -O "$names" $url
-    done
-    done
-echo "All assets downloaded"
+        wget -q -O "$names" "$url"
+      done
+  done
+  echo "All assets downloaded"
 }
+
 get_patches_key() {
-    EXCLUDE_PATCHES=()
-        for word in $(cat src/patches/$1/exclude-patches) ; do
-            EXCLUDE_PATCHES+=("-e $word")
-        done
-    INCLUDE_PATCHES=()
-        for word in $(cat src/patches/$1/include-patches) ; do
-            INCLUDE_PATCHES+=("-i $word")
-        done
+  EXCLUDE_PATCHES=()
+  while read -r word; do
+    EXCLUDE_PATCHES+=("-e $word")
+  done < src/patches/"$1"/exclude-patches
+  INCLUDE_PATCHES=()
+  while read -r word; do
+    INCLUDE_PATCHES+=("-i $word")
+  done < src/patches/"$1"/include-patches
 }
-req() { 
-    wget -nv -O "$2" -U "Mozilla/5.0 (X11; Linux x86_64; rv:111.0) Gecko/20100101 Firefox/111.0" "$1"
+
+req() {
+  wget -nv -O "$2" -U "Mozilla/5.0 (X11; Linux x86_64; rv:111.0) Gecko/20100101 Firefox/111.0" "$1"
 }
-get_apk_vers() { 
-    req "$1" - | sed -n 's;.*Version:</span><span class="infoSlide-value">\(.*\) </span>.*;\1;p'
+
+get_apk_vers() {
+  req "$1" - | sed -n 's;.*Version:</span><span class="infoSlide-value">\(.*\) </span>.*;\1;p'
 }
+
 get_largest_ver() {
   local max=0
-  while read -r v || [ -n "$v" ]; do   		
-	if [[ ${v//[!0-9]/} -gt ${max//[!0-9]/} ]]; then max=$v; fi
-	  done
-      	if [[ $max = 0 ]]; then echo ""; else echo "$max"; fi
+  while read -r v || [ -n "$v" ]; do
+    if [[ ${v//[!0-9]/} -gt ${max//[!0-9]/} ]]; then
+      max=$v;
+    fi
+  done
+  if [[ $max = 0 ]]; then
+    echo "";
+  else
+    echo "$max";
+  fi
 }
 
 dl_apk() {
@@ -41,76 +51,74 @@ dl_apk() {
   url="https://www.apkmirror.com$(req "$url" - | tr '\n' ' ' | sed -n 's;.*href="\(.*key=[^"]*\)">.*;\1;p')"
   req "$url" "$output"
 }
+
 get_apk() {
   echo "Downloading $1"
-  local last_ver
-  last_ver="$version"
+  local last_ver last_ver="$version"
   last_ver="${last_ver:-$(get_apk_vers "https://www.apkmirror.com/uploads/?appcategory=$2" | get_largest_ver)}"
   echo "Choosing version '${last_ver}'"
   local base_apk="$1.apk"
   dl_url=$(dl_apk "https://www.apkmirror.com/apk/$3-${last_ver//./-}-release/" \
-			"APK</span>[^@]*@\([^#]*\)" \
-			"$base_apk")
+    "APK</span>[^@]*@\([^#]*\)" \
+    "$base_apk")
   echo "$1 version: ${last_ver}"
   echo "downloaded from: [APKMirror - $1]($dl_url)"
 }
+
 get_apk_arch() {
   echo "Downloading $1 (${arm64-v8a})"
-  local last_ver
-  last_ver="$version"
+  local last_ver last_ver="$version"
   last_ver="${last_ver:-$(get_apk_vers "https://www.apkmirror.com/uploads/?appcategory=$2" | get_largest_ver)}"
   echo "Choosing version '${last_ver}'"
   local base_apk="$1.apk"
   local regexp_arch='arm64-v8a</div>[^@]*@\([^"]*\)'
   dl_url=$(dl_apk "https://www.apkmirror.com/apk/$3-${last_ver//./-}-release/" \
-			"$regexp_arch" \
-			"$base_apk")
+    "$regexp_arch" \
+    "$base_apk")
   echo "$1 (${arm64-v8a}) version: ${last_ver}"
   echo "downloaded from: [APKMirror - $1 ${arm64-v8a}]($dl_url)"
 }
+
 get_ver() {
-    version=$(jq -r --arg patch_name "$1" --arg pkg_name "$2" '
-    .[]
-    | select(.name == $patch_name)
-    | .compatiblePackages[]
-    | select(.name == $pkg_name)
-    | .versions[-1]
+  version=$(jq -r --arg patch_name "$1" --arg pkg_name "$2" '
+    .[] | select(.name == $patch_name) | .compatiblePackages[] | select(.name == $pkg_name) | .versions[-1]
     ' patches.json)
 }
+
 patch() {
-    if [ -f "$1.apk" ]; then
+  if [ -f "$1.apk" ]; then
     java -jar revanced-cli*.jar \
-    -m revanced-integrations*.apk \
-    -b revanced-patches*.jar \
-    -a $1.apk \
-    ${EXCLUDE_PATCHES[@]} \
-    ${INCLUDE_PATCHES[@]} \
-    --keystore=./src/ks.keystore \
-    -o ./build/$2.apk
-    unset version
-    unset EXCLUDE_PATCHES
-    unset INCLUDE_PATCHES
-    else 
-        exit 1
-    fi
+      -m revanced-integrations*.apk \
+      -b revanced-patches*.jar \
+      -a $1.apk \
+      "${EXCLUDE_PATCHES[@]}" \
+      "${INCLUDE_PATCHES[@]}" \
+      --keystore=./src/ks.keystore \
+      -o ./build/$2.apk
+    unset version unset EXCLUDE_PATCHES unset INCLUDE_PATCHES
+  else
+    exit 1
+  fi
 }
 
 archs=("arm64-v8a" "armeabi-v7a" "x86_64" "x86")
 libs=("x86_64 x86 armeabi-v7a" "x86_64 x86 arm64-v8a" "x86 armeabi-v7a arm64-v8a" "x86_64 armeabi-v7a arm64-v8a")
+
 gen_rip_libs() {
-    for lib in $@; do
-        echo -n "--rip-lib $lib "
-    done
+  for lib in "$@"; do
+    echo -n "--rip-lib $lib "
+  done
 }
+
 change_arch() {
-    if [ -f "./build/$1.apk" ]; then
+  if [ -f "./build/$1.apk" ]; then
     java -jar revanced-cli*.jar \
-	-b revanced-patches*.jar \
-    -a ./build/$1.apk \
-    --keystore=./src/ks.keystore \
-	$3 \
-    -o ./build/$2.apk
-    else 
-        exit 1
-    fi
-}
\ No newline at end of file
+      -b revanced-patches*.jar \
+      -a ./build/$1.apk \
+      --keystore=./src/ks.keystore \
+      $3 \
+      -o ./build/$2.apk
+   else
+     exit 1
+   fi 
+}