restore lfcd fish function that was removed by mistake

home/lf.nix

@@ -190,6 +190,21 @@
     '';
   };
 
+  programs.fish.functions.lfcd.body = ''
+    set tmp (mktemp)
+    # `command` is needed in case `lfcd` is aliased to `lf`
+    command lf -last-dir-path=$tmp $argv
+    if test -f "$tmp"
+        set dir (cat $tmp)
+        rm -f $tmp
+        if test -d "$dir"
+            if test "$dir" != (pwd)
+                cd $dir
+            end
+        end
+    end
+  '';
+
   programs.fish = {
     shellAliases = {
       f = "lfcd";