Fix org-attach

I should send a bug report...

init.el

@@ -646,6 +646,11 @@
   (:hook #'hl-line-mode)
   (add-hook 'org-agenda-after-show-hook 'org-narrow-to-subtree))
 
+(setup org-attach
+  (:also-load +org-attach)
+  (:option org-attach-method 'lns)
+  (+org-attach-fix-args-mode +1))
+
 (setup org-capture
   (:require +org-capture)
   (:+leader "c" #'org-capture "C-c" #'org-capture)

lisp/+org-attach.el

@@ -0,0 +1,29 @@
+;;; +org-attach.el --- Fixes for org-attach -*- lexical-binding: t; -*-
+
+;;; Commentary:
+
+;; `org-attach-attach' doesn't fix the path name.  Before I submit a bug, I'm
+;; just fixing it by advising `org-attach-attach'.
+
+;;; Code:
+
+(defun +org-attach-attach-fix-args (args)
+  "ADVICE for `org-attach-attach' to normalize FILE first.
+VISIT-DIR and METHOD are passed through unchanged.
+
+This should be applied as `:filter-args' advice."
+  (cons (expand-file-name (car args)) (cdr args)))
+
+(define-minor-mode +org-attach-fix-args-mode
+  "Fix the arguments passed to `org-attach-attach'.
+This mode normalizes the filename passed to `org-attach-attach'
+so that links can be properly made."
+  :lighter ""
+  :keymap nil
+  :global t                             ; I figure, what does this hurt?
+  (if +org-attach-fix-args-mode
+      (advice-add 'org-attach-attach :filter-args #'+org-attach-attach-fix-args)
+    (advice-remove 'org-attach-attach #'+org-attach-attach-fix-args)))
+
+(provide '+org-attach)
+;;; +org-attach.el ends here