[oni-core] Add related-files[1] to consult-buffer[2]

[1]: https://github.com/DamienCassou/related-files
[2]: https://github.com/minad/consult

oni-core.el

@@ -4,7 +4,7 @@
 
 ;; Author: Tom Willemse <tom@ryuslash.org>
 ;; Keywords: local
-;; Version: 2022.1213.071035
+;; Version: 2022.1213.071336
 ;; Package-Requires: (oni-data-dir oni-embrace oni-hydra expand-region multiple-cursors gcmh diminish ws-butler which-key insert-char-preview mixed-pitch ace-window vertico marginalia orderless consult embark docstr)
 
 ;; This program is free software; you can redistribute it and/or modify
@@ -407,6 +407,28 @@ _s_: String list"
 (global-set-key (kbd "M-g M") '("Jump to a mark anywhere" . consult-global-mark))
 (global-set-key [remap imenu] 'consult-imenu)
 
+(defun oni-core-related-files ()
+  "Return a list of files related to the current buffer."
+  (let* ((jumpers related-files-jumpers)
+         (current-place (buffer-file-name)))
+    (cond ((not jumpers)
+           (user-error "No jumpers.  Consider configuring `related-files-jumpers'"))
+          ((not current-place)
+           (user-error "Related-Files only works from file-based buffers"))
+          (t
+           (related-files--collect-existing-places jumpers current-place)))))
+
+(defvar oni-core-related-places-source
+  '(:name "Related File"
+    :category file
+    :items oni-related-files
+    :enabled buffer-file-name
+    :action find-file))
+
+(with-eval-after-load 'consult
+  (with-eval-after-load 'related-files
+    (add-to-list 'consult-buffer-sources 'oni-related-places-source)))
+
 ;;; Embark
 
 (global-set-key (kbd "C-.") 'embark-act)