(fix): fix headline completions erroring (#1374)

updates org-roam-with-file to accept nil FILE arg, to operate on current
buffer. Fixes org-roam-link--get-headlines to kill buffer if not
obtaining markers.

CHANGELOG.md

@@ -16,6 +16,7 @@
 - [#1346](https://github.com/org-roam/org-roam/pull/1346) prevent malformed path to `org-roam-index-file`
 - [#1347](https://github.com/org-roam/org-roam/pull/1347) allow use of `%a` element in regular Org-roam captures
 - [#1352](https://github.com/org-roam/org-roam/pull/1352) fixed org-roam-{tag/alias}-{add/delete} altering the original case of the Org property
+- [#1374](https://github.com/org-roam/org-roam/pull/1374) fix headline completions erroring out
 
 ## 1.2.3 (13-11-2020)
 

org-roam-link.el

@@ -97,7 +97,7 @@ the link."
 If FILE, return outline headings for passed FILE instead.
 If WITH-MARKER, return a cons cell of (headline . marker).
 If USE-STACK, include the parent paths as well."
-  (org-roam-with-file file 'keep
+  (org-roam-with-file file (when with-marker 'keep)
     (let* ((outline-level-fn outline-level)
            (path-separator "/")
            (stack-level 0)
@@ -128,6 +128,7 @@ If USE-STACK, include the parent paths as well."
                     name) cands))))
       (nreverse cands))))
 
+
 (defun org-roam-link--get-file-from-title (title &optional no-interactive)
   "Return the file path corresponding to TITLE.
 When NO-INTERACTIVE, return nil if there are multiple options."
@@ -142,8 +143,8 @@ When NO-INTERACTIVE, return nil if there are multiple options."
          (completing-read "Select file: " files))))))
 
 (defun org-roam-link--get-id-from-headline (headline &optional file)
-  "Return (marker . id) correspondng to HEADLINE.
-If FILE, get headline from FILE instead.
+  "Return (marker . id) correspondng to HEADLINE in FILE.
+If FILE is nil, get ID from current buffer.
 If there is no corresponding headline, return nil."
   (save-excursion
     (org-roam-with-file file 'keep

org-roam-macs.el

@@ -52,21 +52,26 @@
         (nconc new-lst (list separator it)))
       new-lst)))
 
-(defmacro org-roam-with-file (file keep-file-p &rest body)
+(defmacro org-roam-with-file (file keep-buf-p &rest body)
   "Execute BODY within FILE.
-If KEEP-FILE-P or FILE is already visited, do not kill the
-buffer."
+If FILE is nil, execute BODY in the current buffer.
+Kills the buffer if KEEP-BUF-P is nil, and FILE is not yet visited."
   (declare (indent 2) (debug t))
-  `(let* ((existing-buf (find-buffer-visiting ,file))
-          (buf (or existing-buf (find-file-noselect ,file)))
-          (keep-buf-p (or existing-buf ,keep-file-p))
+  `(let* (new-buf
+          (buf (or (and (not ,file)
+                        (current-buffer)) ;If FILE is nil, use current buffer
+                   (find-buffer-visiting ,file) ; If FILE is already visited, find buffer
+                   (progn
+                     (setq new-buf t)
+                     (find-file-noselect ,file)))) ; Else, visit FILE and return buffer
           res)
      (with-current-buffer buf
        (setq res (progn ,@body))
-       (unless keep-buf-p
+       (unless (and new-buf (not ,keep-buf-p))
          (save-buffer)))
-     (unless (and keep-buf-p (find-buffer-visiting ,file))
-       (kill-buffer (find-buffer-visiting ,file)))
+     (if (and new-buf (not ,keep-buf-p))
+       (when (find-buffer-visiting ,file)
+         (kill-buffer (find-buffer-visiting ,file))))
      res))
 
 (defmacro org-roam--with-temp-buffer (file &rest body)