From b1dc6d44c91080a303754a78ea36ba4e5ce05dcf Mon Sep 17 00:00:00 2001 From: Stefan Monnier Date: Fri, 14 Sep 2007 16:33:47 +0000 Subject: Add vc-mtn.el. --- lisp/vc-mtn.el | 285 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 285 insertions(+) create mode 100644 lisp/vc-mtn.el (limited to 'lisp/vc-mtn.el') diff --git a/lisp/vc-mtn.el b/lisp/vc-mtn.el new file mode 100644 index 0000000000..e24bf399ba --- /dev/null +++ b/lisp/vc-mtn.el @@ -0,0 +1,285 @@ +;;; vc-mtn.el --- VC backend for Monotone + +;; Copyright (C) 2007 Free Software Foundation, Inc. + +;; Author: Stefan Monnier +;; Keywords: + +;; This file 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 3, or (at your option) +;; any later version. + +;; This file 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 GNU Emacs; see the file COPYING. If not, write to +;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. + +;;; Commentary: + +;; + +;;; Code: + +(eval-when-compile (require 'cl) (require 'vc)) + +;; Clear up the cache to force vc-call to check again and discover +;; new functions when we reload this file. +(put 'Mtn 'vc-functions nil) + +(defvar vc-mtn-command "mtn") +(unless (executable-find vc-mtn-command) + ;; vc-mtn.el is 100% non-functional without the `mtn' executable. + (setq vc-handled-backends (delq 'Mtn vc-handled-backends))) + +;;;###autoload +(defconst vc-mtn-admin-dir "_MTN") +;;;###autoload +(defconst vc-mtn-admin-format (concat vc-mtn-admin-dir "/format")) + +;;;###autoload (defun vc-mtn-registered (file) +;;;###autoload (if (vc-find-root file vc-mtn-admin-format) +;;;###autoload (progn +;;;###autoload (load "vc-mtn") +;;;###autoload (vc-mtn-registered file)))) + +(defun vc-mtn-revision-granularity () 'repository) +(defun vc-mtn-checkout-model (file) 'implicit) + +(defun vc-mtn-root (file) + (setq file (if (file-directory-p file) + (file-name-as-directory file) + (file-name-directory file))) + (or (vc-file-getprop file 'vc-mtn-root) + (vc-file-setprop file 'vc-mtn-root + (vc-find-root file vc-mtn-admin-format)))) + + +(defun vc-mtn-registered (file) + (let ((root (vc-mtn-root file))) + (when root + (vc-mtn-state file)))) + +(defun vc-mtn-command (buffer okstatus files &rest flags) + "A wrapper around `vc-do-command' for use in vc-mtn.el." + (apply 'vc-do-command buffer okstatus vc-mtn-command files flags)) + +(defun vc-mtn-state (file) + ;; If `mtn' fails or returns status>0, or if the search files, just + ;; return nil. + (ignore-errors + (with-temp-buffer + (vc-mtn-command t 0 file "status") + (goto-char (point-min)) + (re-search-forward "^ \\(?:patched \\(.*\\)\\|no changes$\\)") + (if (match-end 1) + 'edited + 'up-to-date)))) + +(defun vc-mtn-workfile-version (file) + ;; If `mtn' fails or returns status>0, or if the search fails, just + ;; return nil. + (ignore-errors + (with-temp-buffer + (vc-mtn-command t 0 file "status") + (goto-char (point-min)) + (re-search-forward "Current branch: \\(.*\\)\nChanges against parent \\(.*\\)") + (match-string 2)))) + +(defun vc-mtn-workfile-branch (file) + ;; If `mtn' fails or returns status>0, or if the search files, just + ;; return nil. + (ignore-errors + (with-temp-buffer + (vc-mtn-command t 0 file "status") + (goto-char (point-min)) + (re-search-forward "Current branch: \\(.*\\)\nChanges against parent \\(.*\\)") + (match-string 1)))) + +(defun vc-mtn-workfile-unchanged-p (file) + (not (eq (vc-mtn-state file) 'edited))) + +;; Mode-line rewrite code copied from vc-arch.el. + +(defcustom vc-mtn-mode-line-rewrite + '(("\\`[^:/#]*[:/#]" . "")) ;Drop the host part. + "Rewrite rules to shorten Mtn's revision names on the mode-line." + :type '(repeat (cons regexp string)) + :group 'vc) + +(defun vc-mtn-mode-line-string (file) + "Return string for placement in modeline by `vc-mode-line' for FILE." + (let ((branch (vc-mtn-workfile-branch file))) + (dolist (rule vc-mtn-mode-line-rewrite) + (if (string-match (car rule) branch) + (setq branch (replace-match (cdr rule) t nil branch)))) + (format "Mtn%c%s" + (case (vc-state file) + ((up-to-date needs-patch) ?-) + (added ?@) + (t ?:)) + branch))) + +(defun vc-mtn-register (files &optional rest) + (vc-mtn-command nil 0 files "add")) + +(defun vc-mtn-responsible-p (file) (vc-mtn-root file)) +(defun vc-mtn-could-register (file) (vc-mtn-root file)) + +(defun vc-mtn-checkin (files rev comment) + (vc-mtn-command nil 0 files "commit" "-m" comment)) + +(defun vc-mtn-find-version (file rev buffer) + (vc-mtn-command buffer 0 file "cat" "-r" rev)) + +;; (defun vc-mtn-checkout (file &optional editable rev) +;; ) + +(defun vc-mtn-revert (file &optional contents-done) + (unless contents-done + (vc-mtn-command nil 0 file "revert"))) + +;; (defun vc-mtn-roolback (files) +;; ) + +(defun vc-mtn-print-log (files &optional buffer) + (vc-mtn-command buffer 0 files "log")) + +(define-derived-mode vc-mtn-log-view-mode log-view-mode "Mtn-Log-View" + ;; TODO: Not sure what to do about file markers for now. + (set (make-local-variable 'log-view-file-re) "\\'\\`") + ;; TODO: Use a more precise regexp than "[ |/]+" to avoid false positives + ;; in the ChangeLog text. + (set (make-local-variable 'log-view-message-re) + "^[ |/]+Revision: \\([0-9a-f]+\\)") + (require 'add-log) ;For change-log faces. + (set (make-local-variable 'log-view-font-lock-keywords) + (append log-view-font-lock-keywords + '(("^[ |]+Author: \\(.*\\)" (1 'change-log-email)) + ("^[ |]+Date: \\(.*\\)" (1 'change-log-date-face)))))) + +;; (defun vc-mtn-show-log-entry (version) +;; ) + +(defun vc-mtn-wash-log (file)) + +(defalias 'vc-mtn-diff-tree 'vc-mtn-diff) +(defun vc-mtn-diff (files &optional rev1 rev2 buffer) + (apply 'vc-mtn-command (or buffer "*vc-diff*") 1 files "diff" + (append (if rev1 (list "-r" rev1)) (if rev2 (list "-r" rev2))))) + +(defun vc-mtn-annotate-command (file buf &optional rev) + (apply 'vc-mtn-command buf 0 file "annotate" + (if rev (list "-r" rev)))) + +(defconst vc-mtn-annotate-full-re + "^ *\\([0-9a-f]+\\)\\.* by [^ ]+ \\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\): ") +(defconst vc-mtn-annotate-any-re + (concat "^\\(?: +: \\|" vc-mtn-annotate-full-re "\\)")) + +(defun vc-mtn-annotate-time () + (when (looking-at vc-mtn-annotate-any-re) + (goto-char (match-end 0)) + (let ((year (match-string 2))) + (if (not year) + ;; Look for the date on a previous line. + (save-excursion + (get-text-property (1- (previous-single-property-change + (point) 'vc-mtn-time nil (point-min))) + 'vc-mtn-time)) + (let ((time (vc-annotate-convert-time + (encode-time 0 0 0 + (string-to-number (match-string 4)) + (string-to-number (match-string 3)) + (string-to-number year) + t)))) + (let ((inhibit-read-only t) + (inhibit-modification-hooks t)) + (put-text-property (match-beginning 0) (match-end 0) + 'vc-mtn-time time)) + time))))) + +(defun vc-mtn-annotate-extract-revision-at-line () + (save-excursion + (when (or (looking-at vc-mtn-annotate-full-re) + (re-search-backward vc-mtn-annotate-full-re nil t)) + (match-string 1)))) + +;;; Revision completion. + +(defun vc-mtn-list-tags () + (with-temp-buffer + (vc-mtn-command t 0 nil "list" "tags") + (goto-char (point-min)) + (let ((tags ())) + (while (re-search-forward "^[^ ]+" nil t) + (push (match-string 0) tags)) + tags))) + +(defun vc-mtn-list-branches () + (with-temp-buffer + (vc-mtn-command t 0 nil "list" "branches") + (goto-char (point-min)) + (let ((branches ())) + (while (re-search-forward "^.+" nil t) + (push (match-string 0) branches)) + branches))) + +(defun vc-mtn-list-revision-ids (prefix) + (with-temp-buffer + (vc-mtn-command t 0 nil "complete" "revision" prefix) + (goto-char (point-min)) + (let ((ids ())) + (while (re-search-forward "^.+" nil t) + (push (match-string 0) ids)) + ids))) + +(defun vc-mtn-revision-completion-table (file) + ;; TODO: Implement completion for for selectors + ;; TODO: Implement completion for composite selectors. + (lexical-let ((file file)) + (lambda (string pred action) + (cond + ;; "Tag" selectors. + ((string-match "\\`t:" string) + (complete-with-action action + (mapcar (lambda (tag) (concat "t:" tag)) + (vc-mtn-list-tags)) + string pred)) + ;; "Branch" selectors. + ((string-match "\\`b:" string) + (complete-with-action action + (mapcar (lambda (tag) (concat "b:" tag)) + (vc-mtn-list-branches)) + string pred)) + ;; "Head" selectors. Not sure how they differ from "branch" selectors. + ((string-match "\\`h:" string) + (complete-with-action action + (mapcar (lambda (tag) (concat "h:" tag)) + (vc-mtn-list-branches)) + string pred)) + ;; "ID" selectors. + ((string-match "\\`i:" string) + (complete-with-action action + (mapcar (lambda (tag) (concat "i:" tag)) + (vc-mtn-list-revision-ids + (substring string (match-end 0)))) + string pred)) + (t + (complete-with-action action + '("t:" "b:" "h:" "i:" + ;; Completion not implemented for these. + "a:" "c:" "d:" "e:" "l:") + string pred)))))) + + + +(provide 'vc-mtn) + +;; arch-tag: 2b89ffbc-cbb8-405a-9080-2eafd4becb70 +;;; vc-mtn.el ends here -- cgit v1.2.3