Custom commit.template for magit-1.2.0

magit.el

;; Commit template location.
;; It can also be ~/.gitmessage.txt
(defcustom commit-template "./.git/COMMIT_EDITMSG"
  "Path to custom message template file. If nil, no custom
message will be inserted to *magit-edit-log* buffer. The path can
be relative as well as absolute."
  :group 'magit
  :type 'string)

;; and modify this function accordingly
(defun magit-pop-to-log-edit (operation)
  (let ((dir default-directory)
        (magit-buf (current-buffer))
        (buf (get-buffer-create magit-log-edit-buffer-name)))
    (setq magit-pre-log-edit-window-configuration
          (current-window-configuration))
    (pop-to-buffer buf)
    (setq default-directory dir)
    (when (file-exists-p (concat (magit-git-dir) "MERGE_MSG"))
      (insert-file-contents (concat (magit-git-dir) "MERGE_MSG")))
    (magit-log-edit-mode)
    (make-local-variable 'magit-buffer-internal)
    (setq magit-buffer-internal magit-buf)
    ;; -------- patch -------
    (with-current-buffer magit-log-edit-buffer-name
      (if (= (point-min) (point-max))
    (progn
	    (goto-char (point-min))
	    (if (file-exists-p commit-template)
		(insert (format "%s" (with-temp-buffer
				       (insert-file-contents commit-template)
				       (buffer-string)))))))
      (goto-char (point-min))
      (end-of-line))
    ;; --------- patch ends here ----------
    (message "Type C-c C-c to %s (C-c C-k to cancel)." operation)))