diff --git a/debian/dxvkroot/dxvkbuild.sh b/debian/dxvkroot/dxvkbuild.sh
index a245faf..7abf632 100755
--- a/debian/dxvkroot/dxvkbuild.sh
+++ b/debian/dxvkroot/dxvkbuild.sh
@@ -228,16 +228,20 @@ tempLinks=(
 
 function runtimeCheck() {
 
+  local pkgreq_name
+  local known_pkgs
+  local pkglist
+
   # Friendly name for this package
-  local pkgreq_name=${1}
+  pkgreq_name=${1}
   # Known package names to check on Debian
-  local known_pkgs=${2}
+  known_pkgs=${2}
 
   # Check if any of these Wine packages are present on the system
   i=0
   for pkg in ${known_pkgs[@]}; do
     if [[ $(echo $(dpkg -s ${pkg} &>/dev/null)$?) -eq 0 ]]; then
-      local pkglist[$i]=${pkg}
+      pkglist[$i]=${pkg}
       let i++
     fi
   done
@@ -293,9 +297,13 @@ fi
 
 function pkgcompilecheck() {
 
-  local install_function=${1}
-  local pkg=${2}
-  local pkg_data=${3}
+  local install_function
+  local pkg
+  local pkg_data
+
+  install_function=${1}
+  pkg=${2}
+  pkg_data=${3}
 
   if [[ $(echo $(dpkg -s ${pkg} &>/dev/null)$?) -ne 0 ]] || [[ -v UPDATE_OVERRIDE ]]; then
     ${install_function} ${pkg_data}
@@ -312,7 +320,9 @@ function pkgcompilecheck() {
 
 function dxvk_install_custom() {
 
-  local PATCHDIR="${1}"
+  local PATCHDIR
+
+  PATCHDIR="${1}"
 
   # Use posix alternates for MinGW binaries
   function dxvk_posixpkgs() {
@@ -346,15 +356,19 @@ function dxvk_install_custom() {
   # Add and apply custom DXVK patches
   function dxvk_custompatches() {
 
+    local CURDIR
+    local dxvk_builddir_name
+    local dxvk_builddir_path
+    
     # Get our current directory, since we will change it during patching process below
     # We want to go back here after having applied the patches
-    local CURDIR="${PWD}"
+    CURDIR="${PWD}"
 
     # Check if the following folder exists, and proceed.
     if [[ -d "${DXVKROOT}/../../${PATCHDIR}" ]]; then
       cp -r "${DXVKROOT}/../../${PATCHDIR}/"*.{patch,diff} "${DXVKROOT}/${pkg_name}/" 2>/dev/null
 
-      local dxvk_builddir_name=$(ls -l "${DXVKROOT}/${pkg_name}" | grep ^d | awk '{print $NF}')
+      dxvk_builddir_name=$(ls -l "${DXVKROOT}/${pkg_name}" | grep ^d | awk '{print $NF}')
 
       # TODO Expecting just one folder here. This method doesn't work with multiple dirs present
       if [[ $(echo ${dxvk_builddir_name} | wc -l) -gt 1 ]]; then
@@ -362,7 +376,7 @@ function dxvk_install_custom() {
         exit 1
       fi
 
-      local dxvk_builddir_path="${DXVKROOT}/${pkg_name}/${dxvk_builddir_name}"
+      dxvk_builddir_path="${DXVKROOT}/${pkg_name}/${dxvk_builddir_name}"
 
       cd "${dxvk_builddir_path}"
       for pfile in ../*.{patch,diff}; do
@@ -433,16 +447,21 @@ function compile_and_install_deb() {
 
   function arrayparser_reverse() {
 
-    local arrays=(
+    local arrays
+    local s
+    local IFS
+    local y
+  
+    arrays=(
     '_pkg_deps_build'
     '_pkg_deps_runtime'
     )
 
     for w in ${arrays[@]}; do
-      local s=\${${w}}
+      s=\${${w}}
 
-      local IFS='|'
-      local y=0
+      IFS='|'
+      y=0
 
       for t in $(eval printf '%s\|' ${s}); do
         eval ${w}[$y]=\"${t}\"
@@ -472,18 +491,27 @@ function compile_and_install_deb() {
 
   function pkg_dependencies() {
 
-    local _pkg_list="${1}"
-    local _pkg_type="${2}"
-    local IFS=$'\n'
+    local _pkg_list
+    local _pkg_type
+    local _pkg_type_str
+    local a
+    local b
+    local _validlist
+    local IFS
+  
+    _pkg_list="${1}"
+    _pkg_type="${2}"
+
+    IFS=$'\n'
     _pkg_list=$(echo "${_pkg_list}" | sed 's/([^)]*)//g')
     unset IFS
 
     case ${_pkg_type} in
       buildtime)
-        local _pkg_type_str="build time"
+        _pkg_type_str="build time"
         ;;
       runtime)
-        local _pkg_type_str="runtime"
+        _pkg_type_str="runtime"
         ;;
     esac
 
@@ -492,10 +520,10 @@ function compile_and_install_deb() {
     fi
 
     # Generate a list of missing dependencies
-    local a=0
+    a=0
     for p in ${_pkg_list[@]}; do
       if [[ $(pkg_installcheck ${p})$? -eq 0 ]]; then
-        local _validlist[$a]=${p}
+        _validlist[$a]=${p}
         let a++
 
         # Global array to track installed build dependencies
@@ -526,7 +554,7 @@ function compile_and_install_deb() {
     }
 
     # Install missing dependencies, be informative
-    local b=0
+    b=0
     for _pkg_dep in ${_validlist[@]}; do
       echo -e "$(( $b + 1 ))/$(( ${#_validlist[*]} )) - Installing ${_pkg_name} ${_pkg_type_str} dependency ${_pkg_dep}"
 
@@ -610,8 +638,11 @@ function compile_and_install_deb() {
 
   function pkg_override_debianfile() {
 
-    local contents=${1}
-    local targetfile=${2}
+    local contents
+    local targetfile
+
+    contents=${1}
+    targetfile=${2}
 
     if [[ ${contents} != "empty" ]]; then
       echo "${contents}" > "${targetfile}"
@@ -749,8 +780,10 @@ function buildpkg_removal() {
 
 function pkg_install_main() {
 
+  local pkg_datafile
+
   # Read necessary variables from debdata file
-  local pkg_datafile=${1}
+  pkg_datafile=${1}
 
   if [[ -f ${pkg_datafile} ]]; then
     source ${pkg_datafile}
@@ -765,7 +798,12 @@ function pkg_install_main() {
   # Separate each array index with | in these arrays
   function pkg_arrayparser() {
 
-    local pkg_arrays=(
+    local pkg_arrays
+    local IFS
+    local s
+    local t
+
+    pkg_arrays=(
       'pkg_deps_build'
       'pkg_deps_runtime'
     )
@@ -774,8 +812,8 @@ function pkg_install_main() {
 
     for w in ${pkg_arrays[@]}; do
 
-      local s=\${${w}[@]}
-      local t=$(eval printf '%s\|' ${s})
+      s=\${${w}[@]}
+      t=$(eval printf '%s\|' ${s})
       unset ${w}
       eval ${w}=\"${t}\"
 
diff --git a/debian/updatewine_debian.sh b/debian/updatewine_debian.sh
index 09fdc73..f6d74e5 100755
--- a/debian/updatewine_debian.sh
+++ b/debian/updatewine_debian.sh
@@ -153,7 +153,9 @@ function mainQuestions() {
   # TODO: remove duplicate functionality. This function is defined in updatewine.sh
   function questionresponse() {
 
-    local response=${1}
+    local response
+  
+    response=${1}
 
     read -r -p "" response
     if [[ $(echo $response | sed 's/ //g') =~ ^([yY][eE][sS]|[yY])$ ]]; then
diff --git a/debian/wineroot/winebuild.sh b/debian/wineroot/winebuild.sh
index ddde407..ca0dbf6 100755
--- a/debian/wineroot/winebuild.sh
+++ b/debian/wineroot/winebuild.sh
@@ -406,8 +406,11 @@ function girl_check() {
 
 function getWine() {
 
-  local winesrc_url="${git_source_wine}"
-  local winestagingsrc_url="${git_source_winestaging}"
+  local winesrc_url
+  local winestagingsrc_url
+
+  winesrc_url="${git_source_wine}"
+  winestagingsrc_url="${git_source_winestaging}"
 
   function cleanOldBuilds() {
     if [[ $(find "${BUILDROOT}" -type d -name "winebuild_*" | wc -l) -ne 0 ]]; then
@@ -462,7 +465,9 @@ function getWine() {
 
 function getDebianFiles() {
 
-  local debian_archive=wine_3.0-1ubuntu1.debian.tar.xz
+  local debian_archive
+
+  debian_archive=wine_3.0-1ubuntu1.debian.tar.xz
 
   cd "${WINEDIR}"
   wget http://archive.ubuntu.com/ubuntu/pool/universe/w/wine/${debian_archive}
@@ -490,6 +495,9 @@ function check_gitOverride() {
 
     function form_commit_array() {
 
+      local array_name
+      local commits_raw
+    
       cd "${commit_dir}"
 
       if [[ $? -ne 0 ]]; then
@@ -497,8 +505,8 @@ function check_gitOverride() {
         exit 1
       fi
 
-      local array_name=${1}
-      local commits_raw=$(eval ${2})
+      array_name=${1}
+      commits_raw=$(eval ${2})
 
       local i=0
       for commit in ${commits_raw[*]}; do
@@ -517,13 +525,20 @@ function check_gitOverride() {
 
     function staging_change_freeze_commit() {
 
-      local wine_commits_raw="git log --pretty=oneline | awk '{print \$1}' | tr '\n' ' '"
+      local wine_commits_raw
+      local staging_refcommits_raw
+      local staging_rebasecommits_raw
+      local i
+      local k
+      local wine_dropcommits
+    
+      wine_commits_raw="git log --pretty=oneline | awk '{print \$1}' | tr '\n' ' '"
 
       # TODO this check may break quite easily
       # It depends on the exact comment syntax Wine Staging developers are using (Rebase against ...)
       # Length and order of these two "array" variables MUST MATCH!
-      local staging_refcommits_raw="git log --pretty=oneline | awk '{ if ((length(\$NF)==40 || length(\$NF)==41) && \$(NF-1)==\"against\") print \$1; }'"
-      local staging_rebasecommits_raw="git log --pretty=oneline | awk '{ if ((length(\$NF)==40 || length(\$NF)==41) && \$(NF-1)==\"against\") print substr(\$NF,1,40); }' | tr '\n' ' '"
+      staging_refcommits_raw="git log --pretty=oneline | awk '{ if ((length(\$NF)==40 || length(\$NF)==41) && \$(NF-1)==\"against\") print \$1; }'"
+      staging_rebasecommits_raw="git log --pretty=oneline | awk '{ if ((length(\$NF)==40 || length(\$NF)==41) && \$(NF-1)==\"against\") print substr(\$NF,1,40); }' | tr '\n' ' '"
 
       # Syntax: <function> <array_name> <raw_commit_list>
       commit_dir="${WINEDIR}"
@@ -541,12 +556,12 @@ function check_gitOverride() {
       # Filter all newer than defined in 'git_commithash_wine'
       #
       echo -e "Determining valid Wine Staging git commit. This takes a while.\n"
-      local i=0
+      i=0
       for dropcommit in ${wine_commits[@]}; do
         if [[ "${dropcommit}" == "${git_commithash_wine}" ]]; then
           break
         else
-          local wine_dropcommits[$i]="${dropcommit}"
+          wine_dropcommits[$i]="${dropcommit}"
           let i++
         fi
       done
@@ -555,7 +570,7 @@ function check_gitOverride() {
       # For the filtered array list, iterate through 'staging_rebasecommits' array list until
       # we get a match
       for vanilla_commit in ${wine_commits[@]}; do
-        local k=0
+        k=0
         for rebase_commit in ${staging_rebasecommits[@]}; do
           if [[ "${vanilla_commit}" == "${rebase_commit}" ]]; then
             # This is the commit we use for vanilla Wine
@@ -587,19 +602,26 @@ z=0
 
 function WineDeps() {
 
-  local method=${1}
-  local deps="${2}"
-  local depsname=${3}
-  local pkgtype=${4}
+  local method
+  local deps
+  local depsname
+  local pkgtype
+  local str
+  local mgrcmd
+
+  method=${1}
+  deps="${2}"
+  depsname=${3}
+  pkgtype=${4}
 
   case ${method} in
     install)
-      local str="Installing"
-      local mgrcmd="sudo apt install -y"
+      str="Installing"
+      mgrcmd="sudo apt install -y"
       ;;
     remove)
-      local str="Removing"
-      local mgrcmd="sudo apt purge --remove -y"
+      str="Removing"
+      mgrcmd="sudo apt purge --remove -y"
       ;;
     *)
       echo -e "\e[1mERROR:\e[0m Unknown package management input method. Aborting\n"
@@ -611,26 +633,32 @@ function WineDeps() {
   # Check and install/remove package related dependencies if they are missing/installed
   function pkgdependencies() {
 
-    local deplist="${1}"
+    local deplist
+    local checkstatus
+    local a
+    local b
+    local validlist
+
+    deplist="${1}"
 
     # Get a valid logic for generating 'list' array below
     case ${method} in
       install)
         # Package is not installed, install it
-        local checkstatus=0
+        checkstatus=0
         ;;
       remove)
         # Package is installed, remove it
-        local checkstatus=1
+        checkstatus=1
         ;;
     esac
 
     # Generate a list of missing/removable dependencies, depending on the logic
-    local a=0
+    a=0
     for p in ${deplist[@]}; do
       pf=$(printf "%s" ${p} | sed -r 's/^(.*)\|.*/\1/')
       if [[ $(echo $(dpkg -s ${pf} &>/dev/null)$?) -ne ${checkstatus} ]]; then
-        local validlist[$a]=${p}
+        validlist[$a]=${p}
         let a++
 
         # Global array to track installed build dependencies
@@ -643,7 +671,7 @@ function WineDeps() {
     done
 
     # Install missing/Remove existing dependencies, be informative
-    local b=0
+    b=0
     for pkgdep in ${validlist[@]}; do
 
       optional=0