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-rw-r--r--lisp/vc/vc.el109
1 files changed, 63 insertions, 46 deletions
diff --git a/lisp/vc/vc.el b/lisp/vc/vc.el
index fe666413168..3852a64550a 100644
--- a/lisp/vc/vc.el
+++ b/lisp/vc/vc.el
@@ -553,6 +553,13 @@
;; Return the list of files where conflict resolution is needed in
;; the project that contains DIR.
;; FIXME: what should it do with non-text conflicts?
+;;
+;; - repository-url (file-or-dir &optional remote-name)
+;;
+;; Returns the URL of the repository of the current checkout
+;; containing FILE-OR-DIR. The optional REMOTE-NAME specifies the
+;; remote (in Git parlance) whose URL is to be returned. It has
+;; only a meaning for distributed VCS and is ignored otherwise.
;;; Changes from the pre-25.1 API:
;;
@@ -957,7 +964,7 @@ use."
(throw 'found bk))))
;;;###autoload
-(defun vc-responsible-backend (file)
+(defun vc-responsible-backend (file &optional no-error)
"Return the name of a backend system that is responsible for FILE.
If FILE is already registered, return the
@@ -967,7 +974,10 @@ responsible for FILE is returned.
Note that if FILE is a symbolic link, it will not be resolved --
the responsible backend system for the symbolic link itself will
-be reported."
+be reported.
+
+If NO-ERROR is nil, signal an error that no VC backend is
+responsible for the given file."
(or (and (not (file-directory-p file)) (vc-backend file))
(catch 'found
;; First try: find a responsible backend. If this is for registration,
@@ -975,7 +985,8 @@ be reported."
(dolist (backend vc-handled-backends)
(and (vc-call-backend backend 'responsible-p file)
(throw 'found backend))))
- (error "No VC backend is responsible for %s" file)))
+ (unless no-error
+ (error "No VC backend is responsible for %s" file))))
(defun vc-expand-dirs (file-or-dir-list backend)
"Expands directories in a file list specification.
@@ -1006,35 +1017,47 @@ Within directories, only files already under version control are noticed."
(declare-function vc-dir-current-file "vc-dir" ())
(declare-function vc-dir-deduce-fileset "vc-dir" (&optional state-model-only-files))
+(declare-function dired-vc-deduce-fileset "dired-aux" (&optional state-model-only-files not-state-changing))
-(defun vc-deduce-fileset (&optional observer allow-unregistered
+(defun vc-deduce-fileset (&optional not-state-changing
+ allow-unregistered
state-model-only-files)
"Deduce a set of files and a backend to which to apply an operation.
-Return (BACKEND FILESET FILESET-ONLY-FILES STATE CHECKOUT-MODEL).
+Return a list of the form:
+
+ (BACKEND FILESET FILESET-ONLY-FILES STATE CHECKOUT-MODEL)
+
+where the last 3 members are optional, and must be present only if
+STATE-MODEL-ONLY-FILES is non-nil.
+
+NOT-STATE-CHANGING, if non-nil, means that the operation
+requesting the fileset doesn't intend to change the VC state,
+such as when printing the log or showing the diffs.
-If we're in VC-dir mode, FILESET is the list of marked files,
-or the directory if no files are marked.
-Otherwise, if in a buffer visiting a version-controlled file,
-FILESET is a single-file fileset containing that file.
+If the current buffer is in `vc-dir' or Dired mode, FILESET is the
+list of marked files, or the current directory if no files are
+marked.
+Otherwise, if the current buffer is visiting a version-controlled
+file, FILESET is a single-file list containing that file's name.
Otherwise, if ALLOW-UNREGISTERED is non-nil and the visited file
-is unregistered, FILESET is a single-file fileset containing it.
+is unregistered, FILESET is a single-file list containing the
+name of the visited file.
Otherwise, throw an error.
-STATE-MODEL-ONLY-FILES if non-nil, means that the caller needs
-the FILESET-ONLY-FILES STATE and MODEL info. Otherwise, that
-part may be skipped.
+STATE-MODEL-ONLY-FILES, if non-nil, means that the caller needs
+the FILESET-ONLY-FILES, STATE, and CHECKOUT-MODEL info, where
+FILESET-ONLY-FILES means only files in similar VC states,
+possible values of STATE are explained in `vc-state', and MODEL in
+`vc-checkout-model'. Otherwise, these 3 members may be omitted from
+the returned list.
BEWARE: this function may change the current buffer."
- ;; FIXME: OBSERVER is unused. The name is not intuitive and is not
- ;; documented. It's set to t when called from diff and print-log.
(let (backend)
(cond
((derived-mode-p 'vc-dir-mode)
(vc-dir-deduce-fileset state-model-only-files))
((derived-mode-p 'dired-mode)
- (if observer
- (vc-dired-deduce-fileset)
- (error "State changing VC operations not supported in `dired-mode'")))
+ (dired-vc-deduce-fileset state-model-only-files not-state-changing))
((setq backend (vc-backend buffer-file-name))
(if state-model-only-files
(list backend (list buffer-file-name)
@@ -1046,15 +1069,14 @@ BEWARE: this function may change the current buffer."
;; FIXME: Why this test? --Stef
(or (buffer-file-name vc-parent-buffer)
(with-current-buffer vc-parent-buffer
- (derived-mode-p 'vc-dir-mode))))
+ (or (derived-mode-p 'vc-dir-mode)
+ (derived-mode-p 'dired-mode)))))
(progn ;FIXME: Why not `with-current-buffer'? --Stef.
(set-buffer vc-parent-buffer)
- (vc-deduce-fileset observer allow-unregistered state-model-only-files)))
- ((and (derived-mode-p 'log-view-mode)
+ (vc-deduce-fileset not-state-changing allow-unregistered state-model-only-files)))
+ ((and (not buffer-file-name)
(setq backend (vc-responsible-backend default-directory)))
(list backend nil))
- ((not buffer-file-name)
- (error "Buffer %s is not associated with a file" (buffer-name)))
((and allow-unregistered (not (vc-registered buffer-file-name)))
(if state-model-only-files
(list (vc-backend-for-registration (buffer-file-name))
@@ -1066,10 +1088,6 @@ BEWARE: this function may change the current buffer."
(list buffer-file-name))))
(t (error "File is not under version control")))))
-(defun vc-dired-deduce-fileset ()
- (list (vc-responsible-backend default-directory)
- (dired-map-over-marks (dired-get-filename nil t) nil)))
-
(defun vc-ensure-vc-buffer ()
"Make sure that the current buffer visits a version-controlled file."
(cond
@@ -1328,8 +1346,6 @@ For old-style locking-based version control systems, like RCS:
nil t)))))
(vc-call-backend backend 'create-repo))
-(declare-function vc-dir-move-to-goal-column "vc-dir" ())
-
;;;###autoload
(defun vc-register (&optional vc-fileset comment)
"Register into a version control system.
@@ -1380,8 +1396,6 @@ first backend that could register the file is used."
(vc-resynch-buffer file t t))
files)
- (when (derived-mode-p 'vc-dir-mode)
- (vc-dir-move-to-goal-column))
(message "Registering %s... done" files)))
(defun vc-register-with (backend)
@@ -1881,9 +1895,16 @@ saving the buffer."
(interactive (list current-prefix-arg t))
(if historic
(call-interactively 'vc-version-diff)
- (when buffer-file-name (vc-buffer-sync not-urgent))
- (vc-diff-internal t (vc-deduce-fileset t) nil nil
- (called-interactively-p 'interactive))))
+ (let ((fileset (vc-deduce-fileset t)))
+ (vc-buffer-sync-fileset fileset not-urgent)
+ (vc-diff-internal t fileset nil nil
+ (called-interactively-p 'interactive)))))
+
+(defun vc-buffer-sync-fileset (fileset not-urgent)
+ (dolist (filename (cadr fileset))
+ (when-let ((buffer (find-buffer-visiting filename)))
+ (with-current-buffer buffer
+ (vc-buffer-sync not-urgent)))))
;;;###autoload
(defun vc-diff-mergebase (_files rev1 rev2)
@@ -2502,11 +2523,8 @@ with its diffs (if the underlying VCS supports that)."
(cond
((eq current-prefix-arg 1)
(let* ((default (thing-at-point 'word t))
- (revision (read-string
- (if default
- (format "Revision to show (default %s): " default)
- "Revision to show: ")
- nil nil default)))
+ (revision (read-string (format-prompt "Revision to show" default)
+ nil nil default)))
(list 1 revision)))
((numberp current-prefix-arg)
(list current-prefix-arg))
@@ -2537,15 +2555,17 @@ with its diffs (if the underlying VCS supports that)."
;;;###autoload
(defun vc-print-branch-log (branch)
- "Show the change log for BRANCH in a window."
+ "Show the change log for BRANCH root in a window."
(interactive
(list
(vc-read-revision "Branch to log: ")))
(when (equal branch "")
(error "No branch specified"))
- (vc-print-log-internal (vc-responsible-backend default-directory)
- (list default-directory) branch t
- (when (> vc-log-show-limit 0) vc-log-show-limit)))
+ (let* ((backend (vc-responsible-backend default-directory))
+ (rootdir (vc-call-backend backend 'root default-directory)))
+ (vc-print-log-internal backend
+ (list rootdir) branch t
+ (when (> vc-log-show-limit 0) vc-log-show-limit))))
;;;###autoload
(defun vc-log-incoming (&optional remote-location)
@@ -2690,9 +2710,6 @@ to the working revision (except for keyword expansion)."
(message "Reverting %s...done" (vc-delistify files)))))
;;;###autoload
-(define-obsolete-function-alias 'vc-revert-buffer 'vc-revert "23.1")
-
-;;;###autoload
(defun vc-pull (&optional arg)
"Update the current fileset or branch.
You must be visiting a version controlled file, or in a `vc-dir' buffer.