[oni-vc] Automatically check out files for Perforce

When I start typing, automatically check out the file that I'm working with.

1 files changed, 18 insertions, 1 deletions

diff --git a/oni-vc.el b/oni-vc.el
index 538861d..5da0147 100644
--- a/oni-vc.el
+++ b/oni-vc.el
@@ -4,7 +4,7 @@
 
 ;; Author: Tom Willemse <tom@ryuslash.org>
 ;; Keywords: local
-;; Version: 2021.1123.002400
+;; Version: 2022.0222.204847
 ;; Package-Requires: (vc-p4)
 
 ;; This program is free software; you can redistribute it and/or modify
@@ -26,8 +26,25 @@
 
 ;;; Code:
 
+(require 'vc)
+
 (when (eql system-type 'windows-nt)
   (require 'vc-p4))
 
+(defun oni-vc-maybe-checkout ()
+  "Call ‘vc-checkout’ if the current buffer is read-only and I'm typing."
+  (when (and buffer-read-only
+             (equal this-command 'self-insert-command))
+    (vc-checkout (buffer-file-name))))
+
+;;;###autoload
+(defun oni-vc-enable-auto-checkout-for-perforce ()
+  "Set up a ‘pre-command-hook’ to automatically check out a file if necessary."
+  (when (equal (vc-backend (buffer-file-name)) 'P4)
+    (add-hook 'pre-command-hook 'oni-vc-pre-edit-function nil t)))
+
+;;;###autoload
+(add-hook 'find-file-hook 'oni-vc-find-file-hook)
+
 (provide 'oni-vc)
 ;;; oni-vc.el ends here