enforce new flake schema. formatting.

modules/home/common/cdf.sh

@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 # change directory with fzf
 # Usage: cdf [optional_relative_path]
 #   - If no argument, searches from $HOME.
@@ -67,7 +68,8 @@ function cdf() {
     "--preview=tree -C {} | head -50"
     "--preview-window=right:50%:wrap"
   )
-  local selected=$(find "${find_args[@]}" 2>/dev/null | fzf "${fzf_args[@]}")
+  local selected
+  selected=$(find "${find_args[@]}" 2>/dev/null | fzf "${fzf_args[@]}")
   
   if [[ -n "$selected" ]]; then
     cd "$selected" || echo "Failed to cd into '$selected'"