Use 'local' for function arguments

.bin/setup

@@ -75,11 +75,12 @@ xbanish
 )
 
 install() {
-  if pacman -Qi "$1" &> /dev/null; then
-    echo "$1 is already installed"
+  local package="$1"
+  if pacman -Qi "$package" &> /dev/null; then
+    echo "$package is already installed"
   else
-    echo "Installing " "$1"
-    sudo pacman -S --noconfirm --needed "$1"
+    echo "Installing " "$package"
+    sudo pacman -S --noconfirm --needed "$package"
   fi
 }
 
@@ -179,13 +180,15 @@ setup_docker() {
 }
 
 announce() {
+  local message="$1"
   echo " "
-  echo "[dots] $1"
+  echo "[dots] $message"
   echo " "
 }
 
 confirm() {
-  read -r -p "[dots] $1? [y/N]" -n 1
+  local question="$1"
+  read -r -p "[dots] $question? [y/N]" -n 1
   case "$REPLY" in y|Y ) "$2";; * ) echo "Skipping"; esac
 }