Combine 'XDG_CONFIG_HOME' and 'HOME` in quitcd.fish

misc/quitcd/quitcd.fish

@@ -3,13 +3,16 @@
 # or, add the lines to the 'config.fish' file.
 
 function n --description 'support nnn quit and change directory'
-    # NOTE: set NNN_TMPFILE correctly if you use 'XDG_CONFIG_HOME'
-    set -x NNN_TMPFILE ~/.config/nnn/.lastd
+    if test -n "$XDG_CONFIG_HOME"
+        set -x NNN_TMPFILE "$XDG_CONFIG_HOME/nnn/.lastd"
+    else
+        set -x NNN_TMPFILE "$HOME/.config/nnn/.lastd"
+    end
 
     nnn $argv
 
     if test -e $NNN_TMPFILE
-            source $NNN_TMPFILE
-            rm $NNN_TMPFILE
+        source $NNN_TMPFILE
+        rm $NNN_TMPFILE
     end
 end