Only display flatpak message if it is installed

arch_update

@@ -18,7 +18,7 @@ yay -S --needed --noconfirm curl git neovim pacman-contrib yaycache
 [ ! -e /usr/local/bin/vim ] && sudo ln -s /usr/bin/nvim /usr/local/bin/vim
 
 # Backup system
-if which btrfs >/dev/null; then
+if which btrfs >/dev/null 2>&1; then
     yay -S --needed --noconfirm snapper
     [ ! -f /etc/snapper/configs/root ] && sudo snapper -c root create-config /
     [ ! $(sudo awk -F '"' '/NUMBER_LIMIT=/ {print $2}' /etc/snapper/configs/root) -eq $BACKUP_LIMIT ] && sudo sed -i.bak "s/\(NUMBER_LIMIT=\"\).*\"/\1$BACKUP_LIMIT\"/" /etc/snapper/configs/root
@@ -46,8 +46,10 @@ sudo paccache -r
 yaycache -r
 
 # Update flatpaks
+if which flatpak >/dev/null 2>&1; then
     echo -e '\nUpdating flatpaks ...' >&2
-which flatpak >/dev/null 2>&1 && flatpak update
+    flatpak update
+fi
 
 # Find new configs
 echo -e '\nSearching for new configs ...' >&2