fix: respect sudo choice

xif

@@ -1,8 +1,6 @@
 #!/bin/sh
 # vim: set ts=4 sw=4 et:
 
-command -v fzf >/dev/null || sudo xbps-install -S fzf
-
 [ -z "$*" ] && echo "xif: empty search term" && exit 1
 
 filter='/^.[i*]. /d'
@@ -38,12 +36,13 @@ pkgs() {
         cut -d' ' -f1 | tr '\n' ' ' | sed "s/ $//"
 }
 
+SUDO=$(which_sudo)
+command -v fzf >/dev/null || $SUDO xbps-install -S fzf
+
 PKGS="$(pkgs $@)"
 [ -z "$PKGS" ] && exit 130
 
-SUDO=$(which_sudo)
 install -S $PKGS
-
 status=$?
 if [ $status -eq 16 ]; then
     install -u xbps &&