;;; Copyright (C) 2006, 2008 Magnus Henoch
;;;
;;; This program is free software; you can redistribute it and/or
;;; modify it under the terms of the GNU General Public License as
;;; published by the Free Software Foundation; either version 2 of the
;;; License, or (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program; if not, write to the Free Software
;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

(in-package :darcs)

(defun create-empty-pristine (repodir)
  "Make an empty pristine tree in REPODIR."
  (make-dir (upath-subdir repodir '("_darcs" "pristine"))))

(defun create-pristine-from-tree (repodir)
  "Copy the checked-out tree at REPODIR to get a pristine tree."
  (let* ((darcs-dir (upath-subdir repodir '("_darcs")))
	 (pristine-dir (upath-subdir darcs-dir '("pristine"))))
    (make-dir pristine-dir)
    (copy-directory repodir pristine-dir :excluding (list darcs-dir))))

(defun apply-patch-to-pristine (patch repodir)
  "Apply PATCH to the pristine tree in REPODIR."
  (apply-patch patch (upath-subdir repodir '("_darcs" "pristine"))))