;;; vc-git.el --- VC backend for the git version control system
-;; Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
;; Author: Alexandre Julliard <julliard@winehq.org>
;; Keywords: tools
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; 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, or (at your option)
-;; any later version.
+;; 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
;; 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.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; * registered (file) OK
;; * state (file) OK
;; - state-heuristic (file) NOT NEEDED
-;; - dir-state (dir) OK
;; * working-revision (file) OK
;; - latest-on-branch-p (file) NOT NEEDED
-;; * checkout-model (file) OK
+;; * checkout-model (files) OK
;; - workfile-unchanged-p (file) OK
;; - mode-line-string (file) OK
-;; - dired-state-info (file) OK
+;; - prettify-state-info (file) OK
;; STATE-CHANGING FUNCTIONS
;; * create-repo () OK
;; * register (files &optional rev comment) OK
;; HISTORY FUNCTIONS
;; * print-log (files &optional buffer) OK
;; - log-view-mode () OK
-;; - show-log-entry (revision) NOT NEEDED, DEFAULT IS GOOD
-;; - wash-log (file) COULD BE SUPPORTED
-;; - logentry-check () NOT NEEDED
+;; - show-log-entry (revision) OK
;; - comment-history (file) ??
;; - update-changelog (files) COULD BE SUPPORTED
;; * diff (file &optional rev1 rev2 buffer) OK
-;; - revision-completion-table (file) NEEDED?
-;; - diff-tree (dir &optional rev1 rev2) OK
+;; - revision-completion-table (files) OK
;; - annotate-command (file buf &optional rev) OK
;; - annotate-time () OK
;; - annotate-current-time () NOT NEEDED
;; - find-file-hook () NOT NEEDED
;; - find-file-not-found-hook () NOT NEEDED
-(eval-when-compile (require 'cl) (require 'vc))
+(eval-when-compile
+ (require 'cl)
+ (require 'vc)
+ (require 'grep))
(defvar git-commits-coding-system 'utf-8
"Default coding system for git commits.")
;;; BACKEND PROPERTIES
-(defun vc-git-revision-granularity ()
- 'repository)
+(defun vc-git-revision-granularity () 'repository)
+(defun vc-git-checkout-model (files) 'implicit)
;;; STATE-QUERYING FUNCTIONS
(let* ((dir (file-name-directory file))
(name (file-relative-name file dir)))
(and (ignore-errors
- (when dir (cd dir))
- (eq 0 (call-process "git" nil '(t nil) nil "ls-files" "-c" "-z" "--" name)))
+ (when dir (cd dir))
+ (vc-git--out-ok "ls-files" "-c" "-z" "--" name))
(let ((str (buffer-string)))
(and (> (length str) (length name))
- (string= (substring str 0 (1+ (length name))) (concat name "\0")))))))))
+ (string= (substring str 0 (1+ (length name)))
+ (concat name "\0")))))))))
+
+(defun vc-git--state-code (code)
+ "Convert from a string to a added/deleted/modified state."
+ (case (string-to-char code)
+ (?M 'edited)
+ (?A 'added)
+ (?D 'removed)
+ (?U 'edited) ;; FIXME
+ (?T 'edited))) ;; FIXME
(defun vc-git-state (file)
"Git-specific version of `vc-state'."
- (call-process "git" nil nil nil "add" "--refresh" "--" (file-relative-name file))
- (let ((diff (vc-git--run-command-string file "diff-index" "-z" "HEAD" "--")))
- (if (and diff (string-match ":[0-7]\\{6\\} [0-7]\\{6\\} [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} [ADMU]\0[^\0]+\0" diff))
- 'edited
- 'up-to-date)))
-
-(defun vc-git-dir-state (dir)
+ ;; FIXME: This can't set 'ignored yet
+ (if (not (vc-git-registered file))
+ 'unregistered
+ (vc-git--call nil "add" "--refresh" "--" (file-relative-name file))
+ (let ((diff (vc-git--run-command-string file "diff-index" "-z" "HEAD" "--")))
+ (if (and diff (string-match ":[0-7]\\{6\\} [0-7]\\{6\\} [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} \\([ADMUT]\\)\0[^\0]+\0"
+ diff))
+ (vc-git--state-code (match-string 1 diff))
+ (if (vc-git--empty-db-p) 'added 'up-to-date)))))
+
+(defun vc-git--ls-files-state (state &rest args)
+ "Set state to STATE on all files found with git-ls-files ARGS."
(with-temp-buffer
- (vc-git-command (current-buffer) nil nil "ls-files" "-t")
+ (apply 'vc-git-command (current-buffer) nil nil "ls-files" "-z" args)
(goto-char (point-min))
- (let ((status-char nil)
- (file nil))
- (while (not (eobp))
- (setq status-char (char-after))
- (setq file
- (expand-file-name
- (buffer-substring-no-properties (+ (point) 2) (line-end-position))))
- (cond
- ;; The rest of the possible states in "git ls-files -t" output:
- ;; R removed/deleted
- ;; K to be killed
- ;; should not show up in vc-dired, so don't deal with them
- ;; here.
- ((eq status-char ?H)
- (vc-file-setprop file 'vc-state 'up-to-date))
- ((eq status-char ?M)
- (vc-file-setprop file 'vc-state 'edited))
- ((eq status-char ?C)
- (vc-file-setprop file 'vc-state 'edited))
- ((eq status-char ??)
- (vc-file-setprop file 'vc-backend 'none)
- (vc-file-setprop file 'vc-state 'nil)))
- (forward-line)))))
+ (let ((start (point)))
+ (while (search-forward "\0" nil t)
+ (let ((file (expand-file-name
+ (buffer-substring-no-properties start (1- (point))))))
+ (vc-file-setprop file 'vc-backend (if state 'Git 'none))
+ (vc-file-setprop file 'vc-state state))
+ (setq start (point))))))
(defun vc-git-working-revision (file)
"Git-specific version of `vc-working-revision'."
(let ((str (with-output-to-string
(with-current-buffer standard-output
- (call-process "git" nil '(t nil) nil "symbolic-ref" "HEAD")))))
+ (vc-git--out-ok "symbolic-ref" "HEAD")))))
(if (string-match "^\\(refs/heads/\\)?\\(.+\\)$" str)
(match-string 2 str)
str)))
-(defun vc-git-checkout-model (file)
- 'implicit)
-
(defun vc-git-workfile-unchanged-p (file)
(eq 'up-to-date (vc-git-state file)))
(propertize def-ml
'help-echo (concat help-echo "\nCurrent branch: " branch)))))
-(defun vc-git-dired-state-info (file)
- "Git-specific version of `vc-dired-state-info'."
- (let ((git-state (vc-state file)))
- (if (eq git-state 'edited)
- "(modified)"
- ;; fall back to the default VC representation
- (vc-default-dired-state-info 'Git file))))
+(defstruct (vc-git-extra-fileinfo
+ (:copier nil)
+ (:constructor vc-git-create-extra-fileinfo (old-perm new-perm &optional rename-state orig-name))
+ (:conc-name vc-git-extra-fileinfo->))
+ old-perm new-perm ;; permission flags
+ rename-state ;; rename or copy state
+ orig-name) ;; original name for renames or copies
+
+(defun vc-git-escape-file-name (name)
+ "Escape a file name if necessary."
+ (if (string-match "[\n\t\"\\]" name)
+ (concat "\""
+ (mapconcat (lambda (c)
+ (case c
+ (?\n "\\n")
+ (?\t "\\t")
+ (?\\ "\\\\")
+ (?\" "\\\"")
+ (t (char-to-string c))))
+ name "")
+ "\"")
+ name))
+
+(defun vc-git-file-type-as-string (old-perm new-perm)
+ "Return a string describing the file type based on its permissions."
+ (let* ((old-type (lsh (or old-perm 0) -9))
+ (new-type (lsh (or new-perm 0) -9))
+ (str (case new-type
+ (?\100 ;; file
+ (case old-type
+ (?\100 nil)
+ (?\120 " (type change symlink -> file)")
+ (?\160 " (type change subproject -> file)")))
+ (?\120 ;; symlink
+ (case old-type
+ (?\100 " (type change file -> symlink)")
+ (?\160 " (type change subproject -> symlink)")
+ (t " (symlink)")))
+ (?\160 ;; subproject
+ (case old-type
+ (?\100 " (type change file -> subproject)")
+ (?\120 " (type change symlink -> subproject)")
+ (t " (subproject)")))
+ (?\110 nil) ;; directory (internal, not a real git state)
+ (?\000 ;; deleted or unknown
+ (case old-type
+ (?\120 " (symlink)")
+ (?\160 " (subproject)")))
+ (t (format " (unknown type %o)" new-type)))))
+ (cond (str (propertize str 'face 'font-lock-comment-face))
+ ((eq new-type ?\110) "/")
+ (t ""))))
+
+(defun vc-git-rename-as-string (state extra)
+ "Return a string describing the copy or rename associated with INFO, or an empty string if none."
+ (let ((rename-state (when extra
+ (vc-git-extra-fileinfo->rename-state extra))))
+ (if rename-state
+ (propertize
+ (concat " ("
+ (if (eq rename-state 'copy) "copied from "
+ (if (eq state 'added) "renamed from "
+ "renamed to "))
+ (vc-git-escape-file-name (vc-git-extra-fileinfo->orig-name extra))
+ ")") 'face 'font-lock-comment-face)
+ "")))
+
+(defun vc-git-permissions-as-string (old-perm new-perm)
+ "Format a permission change as string."
+ (propertize
+ (if (or (not old-perm)
+ (not new-perm)
+ (eq 0 (logand ?\111 (logxor old-perm new-perm))))
+ " "
+ (if (eq 0 (logand ?\111 old-perm)) "+x" "-x"))
+ 'face 'font-lock-type-face))
+
+(defun vc-git-status-printer (info)
+ "Pretty-printer for the vc-dir-fileinfo structure."
+ (let* ((state (if (vc-dir-fileinfo->directory info)
+ 'DIRECTORY
+ (vc-dir-fileinfo->state info)))
+ (extra (vc-dir-fileinfo->extra info))
+ (old-perm (when extra (vc-git-extra-fileinfo->old-perm extra)))
+ (new-perm (when extra (vc-git-extra-fileinfo->new-perm extra))))
+ (insert
+ " "
+ (propertize (format "%c" (if (vc-dir-fileinfo->marked info) ?* ? ))
+ 'face 'font-lock-type-face)
+ " "
+ (propertize
+ (format "%-12s" state)
+ 'face (cond ((eq state 'up-to-date) 'font-lock-builtin-face)
+ ((eq state 'missing) 'font-lock-warning-face)
+ (t 'font-lock-variable-name-face))
+ 'mouse-face 'highlight)
+ " " (vc-git-permissions-as-string old-perm new-perm)
+ " "
+ (propertize (vc-git-escape-file-name (vc-dir-fileinfo->name info))
+ 'face 'font-lock-function-name-face
+ 'mouse-face 'highlight)
+ (vc-git-file-type-as-string old-perm new-perm)
+ (vc-git-rename-as-string state extra))))
+
+(defun vc-git-after-dir-status-stage (stage files update-function)
+ "Process sentinel for the various dir-status stages."
+ (let (remaining next-stage result)
+ (goto-char (point-min))
+ (case stage
+ ('update-index
+ (setq next-stage (if (vc-git--empty-db-p) 'ls-files-added
+ (if files 'ls-files-up-to-date 'diff-index))))
+ ('ls-files-added
+ (setq next-stage 'ls-files-unknown)
+ (while (re-search-forward "\\([0-7]\\{6\\}\\) [0-9a-f]\\{40\\} 0\t\\([^\0]+\\)\0" nil t)
+ (let ((new-perm (string-to-number (match-string 1) 8))
+ (name (match-string 2)))
+ (push (list name 'added (vc-git-create-extra-fileinfo 0 new-perm)) result))))
+ ('ls-files-up-to-date
+ (setq next-stage 'diff-index)
+ (while (re-search-forward "\\([0-7]\\{6\\}\\) [0-9a-f]\\{40\\} 0\t\\([^\0]+\\)\0" nil t)
+ (let ((perm (string-to-number (match-string 1) 8))
+ (name (match-string 2)))
+ (push (list name 'up-to-date (vc-git-create-extra-fileinfo perm perm)) result))))
+ ('ls-files-unknown
+ (when files (setq next-stage 'ls-files-ignored))
+ (while (re-search-forward "\\([^\0]*?\\)\0" nil t 1)
+ (push (list (match-string 1) 'unregistered (vc-git-create-extra-fileinfo 0 0)) result)))
+ ('ls-files-ignored
+ (while (re-search-forward "\\([^\0]*?\\)\0" nil t 1)
+ (push (list (match-string 1) 'ignored (vc-git-create-extra-fileinfo 0 0)) result)))
+ ('diff-index
+ (setq next-stage 'ls-files-unknown)
+ (while (re-search-forward
+ ":\\([0-7]\\{6\\}\\) \\([0-7]\\{6\\}\\) [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} \\(\\([ADMUT]\\)\0\\([^\0]+\\)\\|\\([CR]\\)[0-9]*\0\\([^\0]+\\)\0\\([^\0]+\\)\\)\0"
+ nil t 1)
+ (let ((old-perm (string-to-number (match-string 1) 8))
+ (new-perm (string-to-number (match-string 2) 8))
+ (state (or (match-string 4) (match-string 6)))
+ (name (or (match-string 5) (match-string 7)))
+ (new-name (match-string 8)))
+ (if new-name ; copy or rename
+ (if (eq ?C (string-to-char state))
+ (push (list new-name 'added (vc-git-create-extra-fileinfo old-perm new-perm 'copy name)) result)
+ (push (list name 'removed (vc-git-create-extra-fileinfo 0 0 'rename new-name)) result)
+ (push (list new-name 'added (vc-git-create-extra-fileinfo old-perm new-perm 'rename name)) result))
+ (push (list name (vc-git--state-code state) (vc-git-create-extra-fileinfo old-perm new-perm)) result))))))
+ (when result
+ (setq result (nreverse result))
+ (when files
+ (dolist (entry result) (setq files (delete (car entry) files)))
+ (unless files (setq next-stage nil))))
+ (when (or result (not next-stage)) (funcall update-function result next-stage))
+ (when next-stage (vc-git-dir-status-goto-stage next-stage files update-function))))
+
+(defun vc-git-dir-status-goto-stage (stage files update-function)
+ (erase-buffer)
+ (case stage
+ ('update-index
+ (if files
+ (vc-git-command (current-buffer) 'async files "add" "--refresh" "--")
+ (vc-git-command (current-buffer) 'async nil "update-index" "--refresh")))
+ ('ls-files-added
+ (vc-git-command (current-buffer) 'async files "ls-files" "-z" "-c" "-s" "--"))
+ ('ls-files-up-to-date
+ (vc-git-command (current-buffer) 'async files "ls-files" "-z" "-c" "-s" "--"))
+ ('ls-files-unknown
+ (vc-git-command (current-buffer) 'async files "ls-files" "-z" "-o"
+ "--directory" "--no-empty-directory" "--exclude-standard" "--"))
+ ('ls-files-ignored
+ (vc-git-command (current-buffer) 'async files "ls-files" "-z" "-o" "-i"
+ "--directory" "--no-empty-directory" "--exclude-standard" "--"))
+ ('diff-index
+ (vc-git-command (current-buffer) 'async files "diff-index" "-z" "-M" "HEAD" "--")))
+ (vc-exec-after
+ `(vc-git-after-dir-status-stage (quote ,stage) (quote ,files) (quote ,update-function))))
+
+(defun vc-git-dir-status (dir update-function)
+ "Return a list of (FILE STATE EXTRA) entries for DIR."
+ ;; Further things that would have to be fixed later:
+ ;; - how to handle unregistered directories
+ ;; - how to support vc-dir on a subdir of the project tree
+ (vc-git-dir-status-goto-stage 'update-index nil update-function))
+
+(defun vc-git-dir-status-files (dir files default-state update-function)
+ "Return a list of (FILE STATE EXTRA) entries for FILES in DIR."
+ (vc-git-dir-status-goto-stage 'update-index files update-function))
+
+(defun vc-git-status-extra-headers (dir)
+ (let ((str (with-output-to-string
+ (with-current-buffer standard-output
+ (vc-git--out-ok "symbolic-ref" "HEAD")))))
+ (concat
+ (propertize "Branch : " 'face 'font-lock-type-face)
+ (propertize
+ (if (string-match "^\\(refs/heads/\\)?\\(.+\\)$" str)
+ (match-string 2 str)
+ "not (detached HEAD)")
+ 'face 'font-lock-variable-name-face))))
;;; STATE-CHANGING FUNCTIONS
"^commit *\\([0-9a-z]+\\)")
(set (make-local-variable 'log-view-font-lock-keywords)
(append
- `((,log-view-message-re (1 'change-log-acknowledgement))
- (,log-view-file-re (1 'change-log-file-face)))
- ;; Handle the case:
- ;; user: foo@bar
- '(("^Author:[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
- (1 'change-log-email))
- ;; Handle the case:
- ;; user: FirstName LastName <foo@bar>
- ("^Author:[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
- (1 'change-log-name)
- (2 'change-log-email))
- ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
- (1 'change-log-name))
- ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
- (1 'change-log-name)
- (2 'change-log-email))
- ("^Merge: \\([0-9a-z]+\\) \\([0-9a-z]+\\)"
- (1 'change-log-acknowledgement)
- (2 'change-log-acknowledgement))
- ("^Date: \\(.+\\)" (1 'change-log-date))
- ("^summary:[ \t]+\\(.+\\)" (1 'log-view-message))))))
+ `((,log-view-message-re (1 'change-log-acknowledgement))
+ (,log-view-file-re (1 'change-log-file-face)))
+ ;; Handle the case:
+ ;; user: foo@bar
+ '(("^Author:[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
+ (1 'change-log-email))
+ ;; Handle the case:
+ ;; user: FirstName LastName <foo@bar>
+ ("^Author:[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
+ (1 'change-log-name)
+ (2 'change-log-email))
+ ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
+ (1 'change-log-name))
+ ("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
+ (1 'change-log-name)
+ (2 'change-log-email))
+ ("^Merge: \\([0-9a-z]+\\) \\([0-9a-z]+\\)"
+ (1 'change-log-acknowledgement)
+ (2 'change-log-acknowledgement))
+ ("^Date: \\(.+\\)" (1 'change-log-date))
+ ("^summary:[ \t]+\\(.+\\)" (1 'log-view-message))))))
+
+(defun vc-git-show-log-entry (revision)
+ "Move to the log entry for REVISION.
+REVISION may have the form BRANCH, BRANCH~N,
+or BRANCH^ (where \"^\" can be repeated)."
+ (goto-char (point-min))
+ (search-forward "\ncommit" nil t
+ (cond ((string-match "~\\([0-9]\\)$" revision)
+ (1+ (string-to-number (match-string 1 revision))))
+ ((string-match "\\^+$" revision)
+ (1+ (length (match-string 0 revision))))
+ (t nil)))
+ (beginning-of-line))
(defun vc-git-diff (files &optional rev1 rev2 buffer)
(let ((buf (or buffer "*vc-diff*")))
(if (and rev1 rev2)
- (vc-git-command buf 1 files "diff-tree" "--exit-code" "-p" rev1 rev2 "--")
- (vc-git-command buf 1 files "diff-index" "--exit-code" "-p" (or rev1 "HEAD") "--"))))
+ (vc-git-command buf 1 files "diff-tree" "--exit-code" "-p"
+ rev1 rev2 "--")
+ (vc-git-command buf 1 files "diff-index" "--exit-code" "-p"
+ (or rev1 "HEAD") "--"))))
-(defun vc-git-revision-table (file)
+(defun vc-git-revision-table (files)
+ ;; What about `files'?!? --Stef
(let ((table (list "HEAD")))
(with-temp-buffer
(vc-git-command t nil nil "for-each-ref" "--format=%(refname)")
(push (match-string 2) table)))
table))
-(defun vc-git-revision-completion-table (file)
- (lexical-let ((file file)
+(defun vc-git-revision-completion-table (files)
+ (lexical-let ((files files)
table)
(setq table (lazy-completion-table
- table (lambda () (vc-git-revision-table file))))
+ table (lambda () (vc-git-revision-table files))))
table))
-(defun vc-git-diff-tree (dir &optional rev1 rev2)
- (vc-git-diff dir rev1 rev2))
-
(defun vc-git-annotate-command (file buf &optional rev)
;; FIXME: rev is ignored
(let ((name (file-relative-name file)))
(vc-git-command buf 0 name "blame" (if rev (concat "-r" rev)))))
(defun vc-git-annotate-time ()
- (and (re-search-forward "[0-9a-f]+ (.* \\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\) \\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\) \\([-+0-9]+\\) +[0-9]+)" nil t)
+ (and (re-search-forward "[0-9a-f]+[^()]+(.* \\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\) \\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\) \\([-+0-9]+\\) +[0-9]+) " nil t)
(vc-annotate-convert-time
- (apply #'encode-time (mapcar (lambda (match) (string-to-number (match-string match))) '(6 5 4 3 2 1 7))))))
+ (apply #'encode-time (mapcar (lambda (match)
+ (string-to-number (match-string match)))
+ '(6 5 4 3 2 1 7))))))
(defun vc-git-annotate-extract-revision-at-line ()
- (save-excursion
- (move-beginning-of-line 1)
- (and (looking-at "[0-9a-f]+")
- (buffer-substring-no-properties (match-beginning 0) (match-end 0)))))
+ (save-excursion
+ (move-beginning-of-line 1)
+ (and (looking-at "[0-9a-f^][0-9a-f]+")
+ (buffer-substring-no-properties (match-beginning 0) (match-end 0)))))
;;; SNAPSHOT SYSTEM
(vc-git-symbolic-commit
(with-temp-buffer
(and
- (zerop
- (call-process "git" nil '(t nil) nil "rev-list"
- "-2" rev "--" file))
+ (vc-git--out-ok "rev-list" "-2" rev "--" file)
(goto-char (point-max))
(bolp)
(zerop (forward-line -1))
(not (bobp))
(buffer-substring-no-properties
- (point)
- (1- (point-max))))))))
+ (point)
+ (1- (point-max))))))))
(defun vc-git-next-revision (file rev)
"Git-specific version of `vc-next-revision'."
(let* ((default-directory (file-name-directory
(expand-file-name file)))
- (file (file-name-nondirectory file))
- (current-rev
- (with-temp-buffer
- (and
- (zerop
- (call-process "git" nil '(t nil) nil "rev-list"
- "-1" rev "--" file))
- (goto-char (point-max))
- (bolp)
- (zerop (forward-line -1))
- (bobp)
- (buffer-substring-no-properties
- (point)
- (1- (point-max)))))))
+ (file (file-name-nondirectory file))
+ (current-rev
+ (with-temp-buffer
+ (and
+ (vc-git--out-ok "rev-list" "-1" rev "--" file)
+ (goto-char (point-max))
+ (bolp)
+ (zerop (forward-line -1))
+ (bobp)
+ (buffer-substring-no-properties
+ (point)
+ (1- (point-max)))))))
(and current-rev
(vc-git-symbolic-commit
(with-temp-buffer
(and
- (zerop
- (call-process "git" nil '(t nil) nil "rev-list"
- "HEAD" "--" file))
+ (vc-git--out-ok "rev-list" "HEAD" "--" file)
(goto-char (point-min))
(search-forward current-rev nil t)
(zerop (forward-line -1))
(defun vc-git-rename-file (old new)
(vc-git-command nil 0 (list old new) "mv" "-f" "--"))
+(defvar vc-git-extra-menu-map
+ (let ((map (make-sparse-keymap)))
+ (define-key map [git-grep]
+ '(menu-item "Git grep..." vc-git-grep
+ :help "Run the `git grep' command"))
+ map))
+
+(defun vc-git-extra-menu () vc-git-extra-menu-map)
+
+(defun vc-git-extra-status-menu () vc-git-extra-menu-map)
+
+;; Derived from `lgrep'.
+(defun vc-git-grep (regexp &optional files dir)
+ "Run git grep, searching for REGEXP in FILES in directory DIR.
+The search is limited to file names matching shell pattern FILES.
+FILES may use abbreviations defined in `grep-files-aliases', e.g.
+entering `ch' is equivalent to `*.[ch]'.
+
+With \\[universal-argument] prefix, you can edit the constructed shell command line
+before it is executed.
+With two \\[universal-argument] prefixes, directly edit and run `grep-command'.
+
+Collect output in a buffer. While git grep runs asynchronously, you
+can use \\[next-error] (M-x next-error), or \\<grep-mode-map>\\[compile-goto-error] \
+in the grep output buffer,
+to go to the lines where grep found matches.
+
+This command shares argument histories with \\[rgrep] and \\[grep]."
+ (interactive
+ (progn
+ (grep-compute-defaults)
+ (cond
+ ((equal current-prefix-arg '(16))
+ (list (read-from-minibuffer "Run: " "git grep"
+ nil nil 'grep-history)
+ nil))
+ (t (let* ((regexp (grep-read-regexp))
+ (files (grep-read-files regexp))
+ (dir (read-directory-name "In directory: "
+ nil default-directory t)))
+ (list regexp files dir))))))
+ (require 'grep)
+ (when (and (stringp regexp) (> (length regexp) 0))
+ (let ((command regexp))
+ (if (null files)
+ (if (string= command "git grep")
+ (setq command nil))
+ (setq dir (file-name-as-directory (expand-file-name dir)))
+ (setq command
+ (grep-expand-template "git grep -n -e <R> -- <F>" regexp files))
+ (when command
+ (if (equal current-prefix-arg '(4))
+ (setq command
+ (read-from-minibuffer "Confirm: "
+ command nil nil 'grep-history))
+ (add-to-history 'grep-history command))))
+ (when command
+ (let ((default-directory dir)
+ (compilation-environment '("PAGER=")))
+ ;; Setting process-setup-function makes exit-message-function work
+ ;; even when async processes aren't supported.
+ (compilation-start command 'grep-mode))
+ (if (eq next-error-last-buffer (current-buffer))
+ (setq default-directory dir))))))
\f
;;; Internal commands
The difference to vc-do-command is that this function always invokes `git'."
(apply 'vc-do-command buffer okstatus "git" file-or-list flags))
+(defun vc-git--empty-db-p ()
+ "Check if the git db is empty (no commit done yet)."
+ (not (eq 0 (vc-git--call nil "rev-parse" "--verify" "HEAD"))))
+
+(defun vc-git--call (buffer command &rest args)
+ ;; We don't need to care the arguments. If there is a file name, it
+ ;; is always a relative one. This works also for remote
+ ;; directories.
+ (apply 'process-file "git" nil buffer nil command args))
+
+(defun vc-git--out-ok (command &rest args)
+ (zerop (apply 'vc-git--call '(t nil) command args)))
+
(defun vc-git--run-command-string (file &rest args)
"Run a git command on FILE and return its output as string."
(let* ((ok t)
(str (with-output-to-string
(with-current-buffer standard-output
- (unless (eq 0 (apply #'call-process "git" nil '(t nil) nil
- (append args (list (file-relative-name file)))))
+ (unless (apply 'vc-git--out-ok
+ (append args (list (file-relative-name
+ file))))
(setq ok nil))))))
(and ok str)))
(and commit
(with-temp-buffer
(and
- (zerop
- (call-process "git" nil '(t nil) nil "name-rev"
- "--name-only" "--tags"
- commit))
+ (vc-git--out-ok "name-rev" "--name-only" "--tags" commit)
(goto-char (point-min))
(= (forward-line 2) 1)
(bolp)
HCoop / bpt / emacs.git / blobdiff