[bpt/emacs.git] / lisp / vc / vc-mtn.el

;;; vc-mtn.el --- VC backend for Monotone

;; Copyright (C) 2007-2011  Free Software Foundation, Inc.

;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
;; Keywords: vc
;; Package: vc

;; This file is part of GNU Emacs.

;; GNU Emacs 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 of the License, or
;; (at your option) any later version.

;; GNU Emacs 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.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;;

;;; TODO:

;; - The `previous-version' VC method needs to be supported, 'D' in
;;   log-view-mode uses it.

;;; Code:

(eval-when-compile (require 'cl) (require 'vc))

(defcustom vc-mtn-diff-switches t
  "String or list of strings specifying switches for monotone diff under VC.
If nil, use the value of `vc-diff-switches'.  If t, use no switches."
  :type '(choice (const :tag "Unspecified" nil)
		 (const :tag "None" t)
		 (string :tag "Argument String")
		 (repeat :tag "Argument List" :value ("") string))
  :version "23.1"
  :group 'vc)

(define-obsolete-variable-alias 'vc-mtn-command 'vc-mtn-program "23.1")
(defcustom vc-mtn-program "mtn"
  "Name of the monotone executable."
  :type 'string
  :group '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)

(unless (executable-find vc-mtn-program)
  ;; 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" "Name of the monotone directory.")
;;;###autoload
(defconst vc-mtn-admin-format (concat vc-mtn-admin-dir "/format")
  "Name of the monotone directory's format file.")

;;;###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 (files) '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."
  (let ((process-environment
         ;; Avoid localization of messages so we can parse the output.
         (cons "LC_MESSAGES=C" process-environment)))
    (apply 'vc-do-command (or buffer "*vc*") okstatus vc-mtn-program
           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\\)\\|\\(added\\) \\(?:.*\\)\\)\\|no changes$")
      (cond  ((match-end 1) 'edited)
	     ((match-end 2) 'added)
	     (t 'up-to-date)))))

(defun vc-mtn-after-dir-status (update-function)
  (let (result)
    (goto-char (point-min))
    (re-search-forward "\\(?:Current b\\|B\\)ranch:  *\\(.*\\)\n?\nChanges against parent \\(.*\\)" nil t)
    (while (re-search-forward
	    "^  \\(?:\\(patched  \\)\\|\\(added    \\)\\)\\(.*\\)$" nil t)
      (cond  ((match-end 1) (push (list (match-string 3) 'edited) result))
	     ((match-end 2) (push (list (match-string 3) 'added) result))))
    (funcall update-function result)))

(defun vc-mtn-dir-status (dir update-function)
  (vc-mtn-command (current-buffer) 'async dir "status")
  (vc-exec-after
   `(vc-mtn-after-dir-status (quote ,update-function))))

(defun vc-mtn-working-revision (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 b\\|B\\)ranch:  *\\(.*\\)\n?\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 b\\|B\\)ranch:  *\\(.*\\)\n?\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))
  :version "22.2"
  :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-update) ?-)
	      (added ?@)
	      (t ?:))
	    branch)))

(defun vc-mtn-register (files &optional rev comment)
  (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))

(declare-function log-edit-extract-headers "log-edit" (headers string))

(defun vc-mtn-checkin (files rev comment)
  (apply 'vc-mtn-command nil 0 files
	 (nconc (list "commit" "-m")
		(log-edit-extract-headers '(("Author" . "--author")
					    ("Date" . "--date"))
					  comment))))

(defun vc-mtn-find-revision (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 buffer &optional shortlog start-revision limit)
  (apply 'vc-mtn-command buffer 0 files "log"
	 (append
	  (when start-revision (list "--from" (format "%s" start-revision)))
	  (when limit (list "--last" (format "%s" limit))))))

(defvar log-view-message-re)
(defvar log-view-file-re)
(defvar log-view-font-lock-keywords)
(defvar log-view-per-file-logs)

(define-derived-mode vc-mtn-log-view-mode log-view-mode "Mtn-Log-View"
  ;; Don't match anything.
  (set (make-local-variable 'log-view-file-re) "\\`a\\`")
  (set (make-local-variable 'log-view-per-file-logs) nil)
  ;; 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 (revision)
;;   )

(defun vc-mtn-diff (files &optional rev1 rev2 buffer)
  "Get a difference report using monotone between two revisions of FILES."
  (apply 'vc-mtn-command (or buffer "*vc-diff*") 1 files "diff"
         (append
           (vc-switches 'mtn 'diff)
           (if rev1 (list "-r" rev1)) (if rev2 (list "-r" rev2)))))

(defun vc-mtn-annotate-command (file buf &optional rev)
  (apply 'vc-mtn-command buf 'async file "annotate"
         (if rev (list "-r" rev))))

(declare-function vc-annotate-convert-time "vc-annotate" (time))

(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 (files)
  ;; TODO: Implement completion for selectors
  ;; TODO: Implement completion for composite selectors.
  (lexical-let ((files files))
    ;; What about using `files'?!?  --Stef
    (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)

;;; vc-mtn.el ends here
Commit	Line	Data
b1dc6d44 SM	1	;;; vc-mtn.el --- VC backend for Monotone
b1dc6d44 SM	2
73b0cd50	3	;; Copyright (C) 2007-2011 Free Software Foundation, Inc.
b1dc6d44 SM	4
b1dc6d44 SM	5	;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
9766adfb	6	;; Keywords: vc
bd78fa1d	7	;; Package: vc
b1dc6d44	8
eb3fa2cf GM	9	;; This file is part of GNU Emacs.
	10
	11	;; GNU Emacs is free software: you can redistribute it and/or modify
b1dc6d44	12	;; it under the terms of the GNU General Public License as published by
eb3fa2cf GM	13	;; the Free Software Foundation, either version 3 of the License, or
eb3fa2cf GM	14	;; (at your option) any later version.
b1dc6d44	15
eb3fa2cf	16	;; GNU Emacs is distributed in the hope that it will be useful,
b1dc6d44 SM	17	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	;; GNU General Public License for more details.
	20
	21	;; You should have received a copy of the GNU General Public License
eb3fa2cf	22	;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
b1dc6d44 SM	23
	24	;;; Commentary:
	25
f64ab8fb	26	;;
b1dc6d44	27
469ca403 DN	28	;;; TODO:
	29
	30	;; - The `previous-version' VC method needs to be supported, 'D' in
	31	;; log-view-mode uses it.
	32
b1dc6d44 SM	33	;;; Code:
	34
	35	(eval-when-compile (require 'cl) (require 'vc))
	36
a857238c GM	37	(defcustom vc-mtn-diff-switches t
a857238c GM	38	"String or list of strings specifying switches for monotone diff under VC.
633883e7	39	If nil, use the value of `vc-diff-switches'. If t, use no switches."
a857238c GM	40	:type '(choice (const :tag "Unspecified" nil)
	41	(const :tag "None" t)
	42	(string :tag "Argument String")
633883e7	43	(repeat :tag "Argument List" :value ("") string))
a857238c GM	44	:version "23.1"
	45	:group 'vc)
	46
	47	(define-obsolete-variable-alias 'vc-mtn-command 'vc-mtn-program "23.1")
	48	(defcustom vc-mtn-program "mtn"
	49	"Name of the monotone executable."
	50	:type 'string
	51	:group 'vc)
	52
b1dc6d44 SM	53	;; Clear up the cache to force vc-call to check again and discover
	54	;; new functions when we reload this file.
	55	(put 'Mtn 'vc-functions nil)
	56
a857238c	57	(unless (executable-find vc-mtn-program)
b1dc6d44 SM	58	;; vc-mtn.el is 100% non-functional without the `mtn' executable.
	59	(setq vc-handled-backends (delq 'Mtn vc-handled-backends)))
	60
	61	;;;###autoload
3adbe224	62	(defconst vc-mtn-admin-dir "_MTN" "Name of the monotone directory.")
b1dc6d44	63	;;;###autoload
3adbe224 GM	64	(defconst vc-mtn-admin-format (concat vc-mtn-admin-dir "/format")
3adbe224 GM	65	"Name of the monotone directory's format file.")
b1dc6d44 SM	66
	67	;;;###autoload (defun vc-mtn-registered (file)
	68	;;;###autoload (if (vc-find-root file vc-mtn-admin-format)
	69	;;;###autoload (progn
	70	;;;###autoload (load "vc-mtn")
	71	;;;###autoload (vc-mtn-registered file))))
	72
	73	(defun vc-mtn-revision-granularity () 'repository)
70e2f6c7	74	(defun vc-mtn-checkout-model (files) 'implicit)
b1dc6d44 SM	75
	76	(defun vc-mtn-root (file)
	77	(setq file (if (file-directory-p file)
	78	(file-name-as-directory file)
	79	(file-name-directory file)))
	80	(or (vc-file-getprop file 'vc-mtn-root)
	81	(vc-file-setprop file 'vc-mtn-root
	82	(vc-find-root file vc-mtn-admin-format))))
	83
	84
	85	(defun vc-mtn-registered (file)
	86	(let ((root (vc-mtn-root file)))
	87	(when root
	88	(vc-mtn-state file))))
	89
	90	(defun vc-mtn-command (buffer okstatus files &rest flags)
	91	"A wrapper around `vc-do-command' for use in vc-mtn.el."
ce4025c7 SM	92	(let ((process-environment
	93	;; Avoid localization of messages so we can parse the output.
	94	(cons "LC_MESSAGES=C" process-environment)))
a857238c GM	95	(apply 'vc-do-command (or buffer "vc") okstatus vc-mtn-program
a857238c GM	96	files flags)))
b1dc6d44 SM	97
	98	(defun vc-mtn-state (file)
	99	;; If `mtn' fails or returns status>0, or if the search files, just
	100	;; return nil.
	101	(ignore-errors
	102	(with-temp-buffer
	103	(vc-mtn-command t 0 file "status")
	104	(goto-char (point-min))
3281a821 DN	105	(re-search-forward
	106	"^ \\(?:\\(patched\\)\\\|\\(added\\) \\(?:.*\\)\\)\\\|no changes$")
	107	(cond ((match-end 1) 'edited)
	108	((match-end 2) 'added)
	109	(t 'up-to-date)))))
b1dc6d44	110
f5a0b281 DN	111	(defun vc-mtn-after-dir-status (update-function)
	112	(let (result)
	113	(goto-char (point-min))
05539fb3	114	(re-search-forward "\\(?:Current b\\\|B\\)ranch: \\(.\\)\n?\nChanges against parent \\(.*\\)" nil t)
f5a0b281 DN	115	(while (re-search-forward
	116	"^ \\(?:\\(patched \\)\\\|\\(added \\)\\)\\(.*\\)$" nil t)
	117	(cond ((match-end 1) (push (list (match-string 3) 'edited) result))
	118	((match-end 2) (push (list (match-string 3) 'added) result))))
	119	(funcall update-function result)))
	120
	121	(defun vc-mtn-dir-status (dir update-function)
	122	(vc-mtn-command (current-buffer) 'async dir "status")
	123	(vc-exec-after
	124	`(vc-mtn-after-dir-status (quote ,update-function))))
	125
ac3f4c6f	126	(defun vc-mtn-working-revision (file)
b1dc6d44 SM	127	;; If `mtn' fails or returns status>0, or if the search fails, just
	128	;; return nil.
	129	(ignore-errors
	130	(with-temp-buffer
	131	(vc-mtn-command t 0 file "status")
	132	(goto-char (point-min))
05539fb3	133	(re-search-forward "\\(?:Current b\\\|B\\)ranch: \\(.\\)\n?\nChanges against parent \\(.*\\)")
b1dc6d44 SM	134	(match-string 2))))
	135
	136	(defun vc-mtn-workfile-branch (file)
	137	;; If `mtn' fails or returns status>0, or if the search files, just
	138	;; return nil.
	139	(ignore-errors
	140	(with-temp-buffer
	141	(vc-mtn-command t 0 file "status")
	142	(goto-char (point-min))
05539fb3	143	(re-search-forward "\\(?:Current b\\\|B\\)ranch: \\(.\\)\n?\nChanges against parent \\(.*\\)")
b1dc6d44 SM	144	(match-string 1))))
	145
	146	(defun vc-mtn-workfile-unchanged-p (file)
	147	(not (eq (vc-mtn-state file) 'edited)))
	148
	149	;; Mode-line rewrite code copied from vc-arch.el.
	150
	151	(defcustom vc-mtn-mode-line-rewrite
	152	'(("\\`[^:/#]*[:/#]" . "")) ;Drop the host part.
	153	"Rewrite rules to shorten Mtn's revision names on the mode-line."
	154	:type '(repeat (cons regexp string))
8e788369	155	:version "22.2"
b1dc6d44 SM	156	:group 'vc)
	157
	158	(defun vc-mtn-mode-line-string (file)
	159	"Return string for placement in modeline by `vc-mode-line' for FILE."
	160	(let ((branch (vc-mtn-workfile-branch file)))
	161	(dolist (rule vc-mtn-mode-line-rewrite)
	162	(if (string-match (car rule) branch)
	163	(setq branch (replace-match (cdr rule) t nil branch))))
	164	(format "Mtn%c%s"
	165	(case (vc-state file)
3702367b	166	((up-to-date needs-update) ?-)
b1dc6d44 SM	167	(added ?@)
	168	(t ?:))
	169	branch)))
	170
4a87f93e	171	(defun vc-mtn-register (files &optional rev comment)
b1dc6d44 SM	172	(vc-mtn-command nil 0 files "add"))
	173
	174	(defun vc-mtn-responsible-p (file) (vc-mtn-root file))
	175	(defun vc-mtn-could-register (file) (vc-mtn-root file))
	176
f64ab8fb JB	177	(declare-function log-edit-extract-headers "log-edit" (headers string))
f64ab8fb JB	178
4624de78	179	(defun vc-mtn-checkin (files rev comment)
fab43c76 DN	180	(apply 'vc-mtn-command nil 0 files
	181	(nconc (list "commit" "-m")
	182	(log-edit-extract-headers '(("Author" . "--author")
	183	("Date" . "--date"))
	184	comment))))
b1dc6d44	185
ac3f4c6f	186	(defun vc-mtn-find-revision (file rev buffer)
b1dc6d44 SM	187	(vc-mtn-command buffer 0 file "cat" "-r" rev))
	188
	189	;; (defun vc-mtn-checkout (file &optional editable rev)
	190	;; )
	191
	192	(defun vc-mtn-revert (file &optional contents-done)
	193	(unless contents-done
	194	(vc-mtn-command nil 0 file "revert")))
	195
	196	;; (defun vc-mtn-roolback (files)
	197	;; )
	198
662c5698	199	(defun vc-mtn-print-log (files buffer &optional shortlog start-revision limit)
6616006b	200	(apply 'vc-mtn-command buffer 0 files "log"
662c5698	201	(append
6e890faa GM	202	(when start-revision (list "--from" (format "%s" start-revision)))
6e890faa GM	203	(when limit (list "--last" (format "%s" limit))))))
b1dc6d44	204
97546017 DN	205	(defvar log-view-message-re)
	206	(defvar log-view-file-re)
	207	(defvar log-view-font-lock-keywords)
469ca403	208	(defvar log-view-per-file-logs)
97546017	209
b1dc6d44	210	(define-derived-mode vc-mtn-log-view-mode log-view-mode "Mtn-Log-View"
469ca403 DN	211	;; Don't match anything.
	212	(set (make-local-variable 'log-view-file-re) "\\`a\\`")
	213	(set (make-local-variable 'log-view-per-file-logs) nil)
b1dc6d44 SM	214	;; TODO: Use a more precise regexp than "[ \|/]+" to avoid false positives
	215	;; in the ChangeLog text.
	216	(set (make-local-variable 'log-view-message-re)
	217	"^[ \|/]+Revision: \\([0-9a-f]+\\)")
	218	(require 'add-log) ;For change-log faces.
	219	(set (make-local-variable 'log-view-font-lock-keywords)
	220	(append log-view-font-lock-keywords
	221	'(("^[ \|]+Author: \\(.*\\)" (1 'change-log-email))
	222	("^[ \|]+Date: \\(.*\\)" (1 'change-log-date-face))))))
	223
5b5afd50	224	;; (defun vc-mtn-show-log-entry (revision)
b1dc6d44 SM	225	;; )
b1dc6d44 SM	226
b1dc6d44	227	(defun vc-mtn-diff (files &optional rev1 rev2 buffer)
a857238c	228	"Get a difference report using monotone between two revisions of FILES."
b1dc6d44	229	(apply 'vc-mtn-command (or buffer "vc-diff") 1 files "diff"
a857238c	230	(append
39ba78ef	231	(vc-switches 'mtn 'diff)
a857238c	232	(if rev1 (list "-r" rev1)) (if rev2 (list "-r" rev2)))))
b1dc6d44 SM	233
b1dc6d44 SM	234	(defun vc-mtn-annotate-command (file buf &optional rev)
837b0e99	235	(apply 'vc-mtn-command buf 'async file "annotate"
b1dc6d44 SM	236	(if rev (list "-r" rev))))
b1dc6d44 SM	237
f8bd9ac6 DN	238	(declare-function vc-annotate-convert-time "vc-annotate" (time))
f8bd9ac6 DN	239
b1dc6d44 SM	240	(defconst vc-mtn-annotate-full-re
	241	"^ \\([0-9a-f]+\\)\\. by [^ ]+ \\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\): ")
	242	(defconst vc-mtn-annotate-any-re
	243	(concat "^\\(?: +: \\\|" vc-mtn-annotate-full-re "\\)"))
	244
	245	(defun vc-mtn-annotate-time ()
	246	(when (looking-at vc-mtn-annotate-any-re)
	247	(goto-char (match-end 0))
	248	(let ((year (match-string 2)))
	249	(if (not year)
	250	;; Look for the date on a previous line.
	251	(save-excursion
	252	(get-text-property (1- (previous-single-property-change
	253	(point) 'vc-mtn-time nil (point-min)))
	254	'vc-mtn-time))
	255	(let ((time (vc-annotate-convert-time
	256	(encode-time 0 0 0
	257	(string-to-number (match-string 4))
	258	(string-to-number (match-string 3))
	259	(string-to-number year)
	260	t))))
	261	(let ((inhibit-read-only t)
	262	(inhibit-modification-hooks t))
	263	(put-text-property (match-beginning 0) (match-end 0)
	264	'vc-mtn-time time))
	265	time)))))
	266
	267	(defun vc-mtn-annotate-extract-revision-at-line ()
	268	(save-excursion
	269	(when (or (looking-at vc-mtn-annotate-full-re)
	270	(re-search-backward vc-mtn-annotate-full-re nil t))
	271	(match-string 1))))
	272
	273	;;; Revision completion.
	274
	275	(defun vc-mtn-list-tags ()
	276	(with-temp-buffer
	277	(vc-mtn-command t 0 nil "list" "tags")
	278	(goto-char (point-min))
	279	(let ((tags ()))
	280	(while (re-search-forward "^[^ ]+" nil t)
	281	(push (match-string 0) tags))
	282	tags)))
	283
	284	(defun vc-mtn-list-branches ()
	285	(with-temp-buffer
	286	(vc-mtn-command t 0 nil "list" "branches")
	287	(goto-char (point-min))
	288	(let ((branches ()))
	289	(while (re-search-forward "^.+" nil t)
	290	(push (match-string 0) branches))
	291	branches)))
	292
	293	(defun vc-mtn-list-revision-ids (prefix)
	294	(with-temp-buffer
	295	(vc-mtn-command t 0 nil "complete" "revision" prefix)
	296	(goto-char (point-min))
	297	(let ((ids ()))
	298	(while (re-search-forward "^.+" nil t)
	299	(push (match-string 0) ids))
	300	ids)))
	301
844b90ae	302	(defun vc-mtn-revision-completion-table (files)
cd1181db	303	;; TODO: Implement completion for selectors
b1dc6d44	304	;; TODO: Implement completion for composite selectors.
844b90ae SM	305	(lexical-let ((files files))
844b90ae SM	306	;; What about using `files'?!? --Stef
b1dc6d44 SM	307	(lambda (string pred action)
	308	(cond
	309	;; "Tag" selectors.
	310	((string-match "\\`t:" string)
	311	(complete-with-action action
	312	(mapcar (lambda (tag) (concat "t:" tag))
	313	(vc-mtn-list-tags))
	314	string pred))
	315	;; "Branch" selectors.
	316	((string-match "\\`b:" string)
	317	(complete-with-action action
	318	(mapcar (lambda (tag) (concat "b:" tag))
	319	(vc-mtn-list-branches))
	320	string pred))
	321	;; "Head" selectors. Not sure how they differ from "branch" selectors.
	322	((string-match "\\`h:" string)
	323	(complete-with-action action
	324	(mapcar (lambda (tag) (concat "h:" tag))
	325	(vc-mtn-list-branches))
	326	string pred))
	327	;; "ID" selectors.
	328	((string-match "\\`i:" string)
	329	(complete-with-action action
	330	(mapcar (lambda (tag) (concat "i:" tag))
	331	(vc-mtn-list-revision-ids
	332	(substring string (match-end 0))))
	333	string pred))
	334	(t
	335	(complete-with-action action
	336	'("t:" "b:" "h:" "i:"
	337	;; Completion not implemented for these.
	338	"a:" "c:" "d:" "e:" "l:")
	339	string pred))))))
eb3fa2cf GM	340
eb3fa2cf GM	341
b1dc6d44 SM	342
	343	(provide 'vc-mtn)
	344
b1dc6d44	345	;;; vc-mtn.el ends here