-;;; vc.el --- drive a version-control system from within Emacs
+;;; vc.el --- drive a version-control system from within Emacs -*- lexical-binding: t -*-
;; Copyright (C) 1992-1998, 2000-2012 Free Software Foundation, Inc.
(require 'vc-dispatcher)
(require 'ediff)
+(declare-function diff-setup-whitespace "diff-mode" ())
+
(eval-when-compile
- (require 'cl)
(require 'dired))
(unless (assoc 'vc-parent-buffer minor-mode-alist)
;; General customization
(defgroup vc nil
- "Version-control system in Emacs."
+ "Emacs interface to version control systems."
:group 'tools)
(defcustom vc-initial-comment nil
(defvar vc-dir-backend)
(defvar log-view-vc-backend)
+(defvar log-edit-vc-backend)
(defvar diff-vc-backend)
(defun vc-deduce-backend ()
(cond ((derived-mode-p 'vc-dir-mode) vc-dir-backend)
((derived-mode-p 'log-view-mode) log-view-vc-backend)
+ ((derived-mode-p 'log-edit-mode) log-edit-vc-backend)
((derived-mode-p 'diff-mode) diff-vc-backend)
;; Maybe we could even use comint-mode rather than shell-mode?
((derived-mode-p 'dired-mode 'shell-mode 'compilation-mode)
(let* ((vc-fileset (vc-deduce-fileset nil t 'state-model-only-files))
(backend (car vc-fileset))
(files (nth 1 vc-fileset))
- (fileset-only-files (nth 2 vc-fileset))
+ ;; (fileset-only-files (nth 2 vc-fileset))
;; FIXME: We used to call `vc-recompute-state' here.
(state (nth 3 vc-fileset))
;; The backend should check that the checkout-model is consistent
Runs the normal hooks `vc-before-checkin-hook' and `vc-checkin-hook'."
(when vc-before-checkin-hook
(run-hooks 'vc-before-checkin-hook))
- (lexical-let
- ((backend backend))
- (vc-start-logentry
- files comment initial-contents
- "Enter a change comment."
- "*vc-log*"
- (lambda ()
- (vc-call-backend backend 'log-edit-mode))
- (lexical-let ((rev rev))
- (lambda (files comment)
- (message "Checking in %s..." (vc-delistify files))
- ;; "This log message intentionally left almost blank".
- ;; RCS 5.7 gripes about white-space-only comments too.
- (or (and comment (string-match "[^\t\n ]" comment))
- (setq comment "*** empty log message ***"))
- (with-vc-properties
- files
- ;; We used to change buffers to get local value of
- ;; vc-checkin-switches, but 'the' local buffer is
- ;; not a well-defined concept for filesets.
- (progn
- (vc-call-backend backend 'checkin files rev comment)
- (mapc 'vc-delete-automatic-version-backups files))
- `((vc-state . up-to-date)
- (vc-checkout-time . ,(nth 5 (file-attributes file)))
- (vc-working-revision . nil)))
- (message "Checking in %s...done" (vc-delistify files))))
- 'vc-checkin-hook)))
+ (vc-start-logentry
+ files comment initial-contents
+ "Enter a change comment."
+ "*vc-log*"
+ (lambda ()
+ (vc-call-backend backend 'log-edit-mode))
+ (lambda (files comment)
+ (message "Checking in %s..." (vc-delistify files))
+ ;; "This log message intentionally left almost blank".
+ ;; RCS 5.7 gripes about white-space-only comments too.
+ (or (and comment (string-match "[^\t\n ]" comment))
+ (setq comment "*** empty log message ***"))
+ (with-vc-properties
+ files
+ ;; We used to change buffers to get local value of
+ ;; vc-checkin-switches, but 'the' local buffer is
+ ;; not a well-defined concept for filesets.
+ (progn
+ (vc-call-backend backend 'checkin files rev comment)
+ (mapc 'vc-delete-automatic-version-backups files))
+ `((vc-state . up-to-date)
+ (vc-checkout-time . ,(nth 5 (file-attributes file)))
+ (vc-working-revision . nil)))
+ (message "Checking in %s...done" (vc-delistify files)))
+ 'vc-checkin-hook
+ backend))
;;; Additional entry points for examining version histories
;; possibility of an empty output is for an async process.
(when (buffer-live-p buffer)
(let ((window (get-buffer-window buffer t))
- (emptyp (zerop (buffer-size buffer))))
+ (emptyp (zerop (buffer-size buffer))))
(with-current-buffer buffer
- (and messages emptyp
- (let ((inhibit-read-only t))
- (insert (cdr messages) ".\n")
- (message "%s" (cdr messages))))
- (goto-char (point-min))
- (when window
- (shrink-window-if-larger-than-buffer window)))
+ (and messages emptyp
+ (let ((inhibit-read-only t))
+ (insert (cdr messages) ".\n")
+ (message "%s" (cdr messages))))
+ (diff-setup-whitespace)
+ (goto-char (point-min))
+ (when window
+ (shrink-window-if-larger-than-buffer window)))
(when (and messages (not emptyp))
- (message "%sdone" (car messages))))))
+ (message "%sdone" (car messages))))))
(defvar vc-diff-added-files nil
"If non-nil, diff added files by comparing them to /dev/null.")
(list files rev1 rev2))))
;;;###autoload
-(defun vc-version-diff (files rev1 rev2)
+(defun vc-version-diff (_files rev1 rev2)
"Report diffs between revisions of the fileset in the repository history."
(interactive (vc-diff-build-argument-list-internal))
;; All that was just so we could do argument completion!
(called-interactively-p 'interactive)))
;;;###autoload
-(defun vc-diff (historic &optional not-urgent)
+(defun vc-diff (&optional historic not-urgent)
"Display diffs between file revisions.
Normally this compares the currently selected fileset with their
working revisions. With a prefix argument HISTORIC, it reads two revision
(call-interactively 'vc-version-diff)
(when buffer-file-name (vc-buffer-sync not-urgent))
(let ((backend (vc-deduce-backend))
+ (default-directory default-directory)
rootdir working-revision)
- (unless backend
- (error "Buffer is not version controlled"))
- (setq rootdir (vc-call-backend backend 'root default-directory))
+ (if backend
+ (setq rootdir (vc-call-backend backend 'root default-directory))
+ (setq rootdir (read-directory-name "Directory for VC root-diff: "))
+ (setq backend (vc-responsible-backend rootdir))
+ (if backend
+ (setq default-directory rootdir)
+ (error "Directory is not version controlled")))
(setq working-revision (vc-working-revision rootdir))
;; VC diff for the root directory produces output that is
;; relative to it. Bind default-directory to the root directory
"Enter a replacement change comment."
"*vc-log*"
(lambda () (vc-call-backend backend 'log-edit-mode))
- (lexical-let ((rev rev)
- (backend backend))
- (lambda (files comment)
- (vc-call-backend backend
- 'modify-change-comment files rev comment))))))
+ (lambda (files comment)
+ (vc-call-backend backend
+ 'modify-change-comment files rev comment)))))
;;;###autoload
(defun vc-merge ()
(error "Sorry, merging is not implemented for %s" backend)))))
-(defun vc-maybe-resolve-conflicts (file status &optional name-A name-B)
+(defun vc-maybe-resolve-conflicts (file status &optional _name-A _name-B)
(vc-resynch-buffer file t (not (buffer-modified-p)))
(if (zerop status) (message "Merge successful")
(smerge-mode 1)
(when (and limit (not (eq 'limit-unsupported pl-return))
(not is-start-revision))
(goto-char (point-max))
- (lexical-let ((working-revision working-revision)
- (limit limit))
- (insert "\n")
- (insert-text-button "Show 2X entries"
- 'action (lambda (&rest ignore)
- (vc-print-log-internal
- log-view-vc-backend log-view-vc-fileset
- working-revision nil (* 2 limit)))
- 'help-echo "Show the log again, and double the number of log entries shown")
- (insert " ")
- (insert-text-button "Show unlimited entries"
- 'action (lambda (&rest ignore)
- (vc-print-log-internal
- log-view-vc-backend log-view-vc-fileset
- working-revision nil nil))
- 'help-echo "Show the log again, including all entries"))))
+ (insert "\n")
+ (insert-text-button "Show 2X entries"
+ 'action (lambda (&rest _ignore)
+ (vc-print-log-internal
+ log-view-vc-backend log-view-vc-fileset
+ working-revision nil (* 2 limit)))
+ 'help-echo "Show the log again, and double the number of log entries shown")
+ (insert " ")
+ (insert-text-button "Show unlimited entries"
+ 'action (lambda (&rest _ignore)
+ (vc-print-log-internal
+ log-view-vc-backend log-view-vc-fileset
+ working-revision nil nil))
+ 'help-echo "Show the log again, including all entries")))
(defun vc-print-log-internal (backend files working-revision
&optional is-start-revision limit)
(let ((dir-present nil)
(vc-short-log nil)
(buffer-name "*vc-change-log*")
- type
- pl-return)
+ type)
(dolist (file files)
(when (file-directory-p file)
(setq dir-present t)))
(memq 'directory vc-log-short-style)
(memq 'file vc-log-short-style)))))
(setq type (if vc-short-log 'short 'long))
- (lexical-let
- ((working-revision working-revision)
- (backend backend)
- (limit limit)
- (shortlog vc-short-log)
- (files files)
- (is-start-revision is-start-revision))
+ (let ((shortlog vc-short-log))
(vc-log-internal-common
backend buffer-name files type
- (lambda (bk buf type-arg files-arg)
- (vc-call-backend bk 'print-log files-arg buf
- shortlog (when is-start-revision working-revision) limit))
- (lambda (bk files-arg ret)
+ (lambda (bk buf _type-arg files-arg)
+ (vc-call-backend bk 'print-log files-arg buf shortlog
+ (when is-start-revision working-revision) limit))
+ (lambda (_bk _files-arg ret)
(vc-print-log-setup-buttons working-revision
is-start-revision limit ret))
(lambda (bk)
(vc-call-backend bk 'show-log-entry working-revision))
- (lambda (ignore-auto noconfirm)
- (vc-print-log-internal backend files working-revision is-start-revision limit))))))
+ (lambda (_ignore-auto _noconfirm)
+ (vc-print-log-internal backend files working-revision
+ is-start-revision limit))))))
(defvar vc-log-view-type nil
"Set this to differentiate the different types of logs.")
(defun vc-incoming-outgoing-internal (backend remote-location buffer-name type)
(vc-log-internal-common
backend buffer-name nil type
- (lexical-let
- ((remote-location remote-location))
- (lambda (bk buf type-arg files)
- (vc-call-backend bk type-arg buf remote-location)))
- (lambda (bk files-arg ret))
- (lambda (bk)
- (goto-char (point-min)))
- (lexical-let
- ((backend backend)
- (remote-location remote-location)
- (buffer-name buffer-name)
- (type type))
- (lambda (ignore-auto noconfirm)
- (vc-incoming-outgoing-internal backend remote-location buffer-name type)))))
+ (lambda (bk buf type-arg _files)
+ (vc-call-backend bk type-arg buf remote-location))
+ (lambda (_bk _files-arg _ret) nil)
+ (lambda (_bk) (goto-char (point-min)))
+ (lambda (_ignore-auto _noconfirm)
+ (vc-incoming-outgoing-internal backend remote-location buffer-name type))))
;;;###autoload
(defun vc-print-log (&optional working-revision limit)
(t
(list (when (> vc-log-show-limit 0) vc-log-show-limit)))))
(let ((backend (vc-deduce-backend))
+ (default-directory default-directory)
rootdir working-revision)
- (unless backend
- (error "Buffer is not version controlled"))
- (setq rootdir (vc-call-backend backend 'root default-directory))
+ (if backend
+ (setq rootdir (vc-call-backend backend 'root default-directory))
+ (setq rootdir (read-directory-name "Directory for VC root-log: "))
+ (setq backend (vc-responsible-backend rootdir))
+ (if backend
+ (setq default-directory rootdir)
+ (error "Directory is not version controlled")))
(setq working-revision (vc-working-revision rootdir))
(vc-print-log-internal backend (list rootdir) working-revision nil limit)))
(interactive
(when current-prefix-arg
(list (read-string "Remote location (empty for default): "))))
- (let ((backend (vc-deduce-backend))
- rootdir working-revision)
+ (let ((backend (vc-deduce-backend)))
(unless backend
(error "Buffer is not version controlled"))
- (vc-incoming-outgoing-internal backend remote-location "*vc-incoming*" 'log-incoming)))
+ (vc-incoming-outgoing-internal backend remote-location "*vc-incoming*"
+ 'log-incoming)))
;;;###autoload
(defun vc-log-outgoing (&optional remote-location)
(interactive
(when current-prefix-arg
(list (read-string "Remote location (empty for default): "))))
- (let ((backend (vc-deduce-backend))
- rootdir working-revision)
+ (let ((backend (vc-deduce-backend)))
(unless backend
(error "Buffer is not version controlled"))
- (vc-incoming-outgoing-internal backend remote-location "*vc-outgoing*" 'log-outgoing)))
+ (vc-incoming-outgoing-internal backend remote-location "*vc-outgoing*"
+ 'log-outgoing)))
;;;###autoload
(defun vc-revert ()
(if (= nfiles 1) "" "s"))))))
(error "Revert canceled")))
(when diff-buffer
- (quit-windows-on diff-buffer t)))
+ (quit-windows-on diff-buffer)))
(dolist (file files)
(message "Reverting %s..." (vc-delistify files))
(vc-revert-file file)
;; Display changes
(unless (yes-or-no-p "Discard these revisions? ")
(error "Rollback canceled"))
- (quit-windows-on "*vc-diff*" t)
+ (quit-windows-on "*vc-diff*")
;; Do the actual reversions
(message "Rolling back %s..." (vc-delistify files))
(with-vc-properties
(when index
(substring rev 0 index))))
-(defun vc-default-responsible-p (backend file)
+(defun vc-default-responsible-p (_backend _file)
"Indicate whether BACKEND is responsible for FILE.
The default is to return nil always."
nil)
-(defun vc-default-could-register (backend file)
+(defun vc-default-could-register (_backend _file)
"Return non-nil if BACKEND could be used to register FILE.
The default implementation returns t for all files."
t)
-(defun vc-default-latest-on-branch-p (backend file)
+(defun vc-default-latest-on-branch-p (_backend _file)
"Return non-nil if FILE is the latest on its branch.
This default implementation always returns non-nil, which means that
editing non-current revisions is not supported by default."
t)
-(defun vc-default-init-revision (backend) vc-default-init-revision)
+(defun vc-default-init-revision (_backend) vc-default-init-revision)
(defun vc-default-find-revision (backend file rev buffer)
"Provide the new `find-revision' op based on the old `checkout' op.
(insert-file-contents-literally tmpfile)))
(delete-file tmpfile))))
-(defun vc-default-rename-file (backend old new)
+(defun vc-default-rename-file (_backend old new)
(condition-case nil
(add-name-to-file old new)
(error (rename-file old new)))
(declare-function log-edit-mode "log-edit" ())
-(defun vc-default-log-edit-mode (backend) (log-edit-mode))
+(defun vc-default-log-edit-mode (_backend) (log-edit-mode))
-(defun vc-default-log-view-mode (backend) (log-view-mode))
+(defun vc-default-log-view-mode (_backend) (log-view-mode))
-(defun vc-default-show-log-entry (backend rev)
+(defun vc-default-show-log-entry (_backend rev)
(with-no-warnings
(log-view-goto-rev rev)))
(defalias 'vc-default-revision-completion-table 'ignore)
(defalias 'vc-default-mark-resolved 'ignore)
-(defun vc-default-dir-status-files (backend dir files default-state update-function)
+(defun vc-default-dir-status-files (_backend _dir files default-state update-function)
(funcall update-function
(mapcar (lambda (file) (list file default-state)) files)))