(eval-when-compile
(require 'vc))
(defcustom vc-svn-global-switches nil
"*Global switches to pass to any SVN command."
:type '(choice (const :tag "None" nil)
(string :tag "Argument String")
(repeat :tag "Argument List"
:value ("")
string))
:version "22.1"
:group 'vc)
(defcustom vc-svn-register-switches nil
"*Extra switches for registering a file into SVN.
A string or list of strings passed to the checkin program by
\\[vc-register]."
:type '(choice (const :tag "None" nil)
(string :tag "Argument String")
(repeat :tag "Argument List"
:value ("")
string))
:version "22.1"
:group 'vc)
(defcustom vc-svn-diff-switches
t "String or list of strings specifying extra switches for svn diff under VC.
If nil, use the value of `vc-diff-switches'.
If you want to force an empty list of arguments, use t."
:type '(choice (const :tag "Unspecified" nil)
(const :tag "None" t)
(string :tag "Argument String")
(repeat :tag "Argument List"
:value ("")
string))
:version "22.1"
:group 'vc)
(defcustom vc-svn-header (or (cdr (assoc 'SVN vc-header-alist)) '("\$Id\$"))
"*Header keywords to be inserted by `vc-insert-headers'."
:version "22.1"
:type '(repeat string)
:group 'vc)
(defconst vc-svn-admin-directory
(cond ((and (memq system-type '(cygwin windows-nt ms-dos))
(getenv "SVN_ASP_DOT_NET_HACK"))
"_svn")
(t ".svn"))
"The name of the \".svn\" subdirectory or its equivalent.")
(add-to-list 'completion-ignored-extensions ".svn/")
(defun vc-svn-registered (file)
"Check if FILE is SVN registered."
(when (file-readable-p (expand-file-name (concat vc-svn-admin-directory
"/entries")
(file-name-directory file)))
(with-temp-buffer
(cd (file-name-directory file))
(let ((status
(condition-case nil
(vc-svn-command t t file "status" "-v")
(error nil))))
(when (eq 0 status)
(vc-svn-parse-status file))))))
(defun vc-svn-state (file &optional localp)
"SVN-specific version of `vc-state'."
(setq localp (or localp (vc-stay-local-p file)))
(with-temp-buffer
(cd (file-name-directory file))
(vc-svn-command t 0 file "status" (if localp "-v" "-u"))
(vc-svn-parse-status file)))
(defun vc-svn-state-heuristic (file)
"SVN-specific state heuristic."
(vc-svn-state file 'local))
(defun vc-svn-dir-state (dir &optional localp)
"Find the SVN state of all files in DIR."
(setq localp (or localp (vc-stay-local-p dir)))
(let ((default-directory dir))
(with-temp-buffer
(vc-svn-command t 0 nil "status" (if localp "-v" "-u"))
(vc-svn-parse-status))))
(defun vc-svn-workfile-version (file)
"SVN-specific version of `vc-workfile-version'."
(vc-svn-registered file)
(vc-file-getprop file 'vc-workfile-version))
(defun vc-svn-checkout-model (file)
"SVN-specific version of `vc-checkout-model'."
'implicit)
(defun vc-svn-dired-state-info (file)
"SVN-specific version of `vc-dired-state-info'."
(let ((svn-state (vc-state file)))
(cond ((eq svn-state 'edited)
(if (equal (vc-workfile-version file) "0")
"(added)" "(modified)"))
((eq svn-state 'needs-patch) "(patch)")
((eq svn-state 'needs-merge) "(merge)"))))
(defun vc-svn-previous-version (file rev)
(let ((newrev (1- (string-to-number rev))))
(when (< 0 newrev)
(number-to-string newrev))))
(defun vc-svn-next-version (file rev)
(let ((newrev (1+ (string-to-number rev))))
(unless (< (string-to-number (vc-file-getprop file 'vc-workfile-version))
newrev)
(number-to-string newrev))))
(defun vc-svn-register (file &optional rev comment)
"Register FILE into the SVN version-control system.
COMMENT can be used to provide an initial description of FILE.
`vc-register-switches' and `vc-svn-register-switches' are passed to
the SVN command (in that order)."
(apply 'vc-svn-command nil 0 file "add" (vc-switches 'SVN 'register)))
(defun vc-svn-responsible-p (file)
"Return non-nil if SVN thinks it is responsible for FILE."
(file-directory-p (expand-file-name vc-svn-admin-directory
(if (file-directory-p file)
file
(file-name-directory file)))))
(defalias 'vc-svn-could-register 'vc-svn-responsible-p
"Return non-nil if FILE could be registered in SVN.
This is only possible if SVN is responsible for FILE's directory.")
(defun vc-svn-checkin (file rev comment)
"SVN-specific version of `vc-backend-checkin'."
(let ((status (apply
'vc-svn-command nil 1 file "ci"
(nconc (list "-m" comment) (vc-switches 'SVN 'checkin)))))
(set-buffer "*vc*")
(goto-char (point-min))
(unless (equal status 0)
(cond
((search-forward "Transaction is out of date" nil t)
(vc-file-setprop file 'vc-state 'needs-merge)
(error (substitute-command-keys
(concat "Up-to-date check failed: "
"type \\[vc-next-action] to merge in changes"))))
(t
(pop-to-buffer (current-buffer))
(goto-char (point-min))
(shrink-window-if-larger-than-buffer)
(error "Check-in failed"))))
))
(defun vc-svn-find-version (file rev buffer)
(apply 'vc-svn-command
buffer 0 file
"cat"
(and rev (not (string= rev ""))
(concat "-r" rev))
(vc-switches 'SVN 'checkout)))
(defun vc-svn-checkout (file &optional editable rev)
(message "Checking out %s..." file)
(with-current-buffer (or (get-file-buffer file) (current-buffer))
(vc-call update file editable rev (vc-switches 'SVN 'checkout)))
(vc-mode-line file)
(message "Checking out %s...done" file))
(defun vc-svn-update (file editable rev switches)
(if (and (file-exists-p file) (not rev))
nil
(vc-file-setprop file 'vc-workfile-version nil)
(apply 'vc-svn-command nil 0 file
"update"
(cond
((null rev) "-rBASE")
((or (eq rev t) (equal rev "")) nil)
(t (concat "-r" rev)))
switches)))
(defun vc-svn-delete-file (file)
(vc-svn-command nil 0 file "remove"))
(defun vc-svn-rename-file (old new)
(vc-svn-command nil 0 new "move" (file-relative-name old)))
(defun vc-svn-revert (file &optional contents-done)
"Revert FILE to the version it was based on."
(unless contents-done
(vc-svn-command nil 0 file "revert")))
(defun vc-svn-merge (file first-version &optional second-version)
"Merge changes into current working copy of FILE.
The changes are between FIRST-VERSION and SECOND-VERSION."
(vc-svn-command nil 0 file
"merge"
"-r" (if second-version
(concat first-version ":" second-version)
first-version))
(vc-file-setprop file 'vc-state 'edited)
(with-current-buffer (get-buffer "*vc*")
(goto-char (point-min))
(if (looking-at "C ")
1 0)))
(defun vc-svn-merge-news (file)
"Merge in any new changes made to FILE."
(message "Merging changes into %s..." file)
(vc-file-setprop file 'vc-checkout-time 0)
(vc-svn-command nil 0 file "update")
(with-current-buffer (get-buffer "*vc*")
(goto-char (point-min))
(if (re-search-forward
"^\\(Updated to\\|At\\) revision \\([0-9]+\\)" nil t)
(vc-file-setprop file 'vc-workfile-version (match-string 2))
(vc-file-setprop file 'vc-workfile-version nil))
(goto-char (point-min))
(prog1
(if (looking-at "At revision")
0 (if (re-search-forward
(concat "^\\(\\([ACGDU]\\)\\(.[B ]\\)? \\)"
(regexp-quote (file-name-nondirectory file)))
nil t)
(cond
((string= (match-string 2) "U")
(vc-file-setprop file 'vc-state 'up-to-date)
(vc-file-setprop file 'vc-checkout-time
(nth 5 (file-attributes file)))
0) ((string= (match-string 2) "G")
(vc-file-setprop file 'vc-state 'edited)
0) (t
(vc-file-setprop file 'vc-state 'edited)
1) )
(pop-to-buffer "*vc*")
(error "Couldn't analyze svn update result")))
(message "Merging changes into %s...done" file))))
(defun vc-svn-print-log (file &optional buffer)
"Get change log associated with FILE."
(save-current-buffer
(vc-setup-buffer buffer)
(let ((inhibit-read-only t))
(goto-char (point-min))
(insert "Working file: " (file-relative-name file) "\n"))
(vc-svn-command
buffer
(if (and (vc-stay-local-p file) (fboundp 'start-process)) 'async 0)
file "log"
"-rHEAD:0")))
(defun vc-svn-diff (file &optional oldvers newvers buffer)
"Get a difference report using SVN between two versions of FILE."
(unless buffer (setq buffer "*vc-diff*"))
(if (and oldvers (equal oldvers (vc-workfile-version file)))
(setq oldvers nil))
(if (string= (vc-workfile-version file) "0")
(if (or oldvers newvers)
(error "No revisions of %s exist" file)
(apply 'vc-do-command buffer
1 "diff" file
(append (vc-switches nil 'diff) '("/dev/null")))
1)
(let* ((switches
(if vc-svn-diff-switches
(vc-switches 'SVN 'diff)
(list "-x" (mapconcat 'identity (vc-switches nil 'diff) " "))))
(async (and (not vc-disable-async-diff)
(vc-stay-local-p file)
(or oldvers newvers) (fboundp 'start-process))))
(apply 'vc-svn-command buffer
(if async 'async 0)
file "diff"
(append
switches
(when oldvers
(list "-r" (if newvers (concat oldvers ":" newvers)
oldvers)))))
(if async 1 (buffer-size (get-buffer buffer))))))
(defun vc-svn-diff-tree (dir &optional rev1 rev2)
"Diff all files at and below DIR."
(vc-svn-diff (file-name-as-directory dir) rev1 rev2))
(defun vc-svn-create-snapshot (dir name branchp)
"Assign to DIR's current version a given NAME.
If BRANCHP is non-nil, the name is created as a branch (and the current
workspace is immediately moved to that new branch).
NAME is assumed to be a URL."
(vc-svn-command nil 0 dir "copy" name)
(when branchp (vc-svn-retrieve-snapshot dir name nil)))
(defun vc-svn-retrieve-snapshot (dir name update)
"Retrieve a snapshot at and below DIR.
NAME is the name of the snapshot; if it is empty, do a `svn update'.
If UPDATE is non-nil, then update (resynch) any affected buffers.
NAME is assumed to be a URL."
(vc-svn-command nil 0 dir "switch" name)
)
(defun vc-svn-check-headers ()
"Check if the current file has any headers in it."
(save-excursion
(goto-char (point-min))
(re-search-forward "\\$[A-Za-z\300-\326\330-\366\370-\377]+\
\\(: [\t -#%-\176\240-\377]*\\)?\\$" nil t)))
(defun vc-svn-command (buffer okstatus file &rest flags)
"A wrapper around `vc-do-command' for use in vc-svn.el.
The difference to vc-do-command is that this function always invokes `svn',
and that it passes `vc-svn-global-switches' to it before FLAGS."
(apply 'vc-do-command buffer okstatus "svn" file
(if (stringp vc-svn-global-switches)
(cons vc-svn-global-switches flags)
(append vc-svn-global-switches
flags))))
(defun vc-svn-repository-hostname (dirname)
(with-temp-buffer
(let ((coding-system-for-read
(or file-name-coding-system
default-file-name-coding-system)))
(vc-insert-file (expand-file-name (concat vc-svn-admin-directory
"/entries")
dirname)))
(goto-char (point-min))
(when (re-search-forward
(concat "name=\"\\(?:svn:this_dir\\)?\"[\n\t ]*"
"\\(?:[-a-z]+=\"[^\"]*\"[\n\t ]*\\)*?"
"url=\"\\([^\"]+\\)\"") nil t)
(match-string 1))))
(defun vc-svn-parse-status (&optional filename)
"Parse output of \"svn status\" command in the current buffer.
Set file properties accordingly. Unless FILENAME is non-nil, parse only
information about FILENAME and return its status."
(let (file status)
(goto-char (point-min))
(while (re-search-forward
"^[ ACDGMR!~][ MC][ L][ +][ S]..\\([ *]\\) +\\([-0-9]+\\) +\\([0-9?]+\\) +\\([^ ]+\\) +" nil t)
(setq file (or filename
(expand-file-name
(buffer-substring (point) (line-end-position)))))
(setq status (char-after (line-beginning-position)))
(unless (eq status ??)
(unless filename (vc-file-setprop file 'vc-backend 'SVN))
(vc-file-setprop file 'vc-workfile-version (match-string 3))
(vc-file-setprop
file 'vc-state
(cond
((eq status ?\ )
(if (eq (char-after (match-beginning 1)) ?*)
'needs-patch
(vc-file-setprop file 'vc-checkout-time
(nth 5 (file-attributes file)))
'up-to-date))
((eq status ?A)
(vc-file-setprop file 'vc-workfile-version "0")
(vc-file-setprop file 'vc-checkout-time 0)
'edited)
((memq status '(?M ?C))
(if (eq (char-after (match-beginning 1)) ?*)
'needs-merge
'edited))
(t 'edited)))))
(if filename (vc-file-getprop filename 'vc-state))))
(defun vc-svn-dir-state-heuristic (dir)
"Find the SVN state of all files in DIR, using only local information."
(vc-svn-dir-state dir 'local))
(defun vc-svn-valid-symbolic-tag-name-p (tag)
"Return non-nil if TAG is a valid symbolic tag name."
(and (string-match "^[a-zA-Z]" tag)
(not (string-match "[^a-z0-9A-Z-_]" tag))))
(defun vc-svn-valid-version-number-p (tag)
"Return non-nil if TAG is a valid version number."
(and (string-match "^[0-9]" tag)
(not (string-match "[^0-9]" tag))))
(defun vc-svn-annotate-command (file buf &optional rev)
(vc-svn-command buf 0 file "annotate" (if rev (concat "-r" rev))))
(defun vc-svn-annotate-time-of-rev (rev)
(/ (string-to-number rev) 10.0))
(defun vc-svn-annotate-current-time ()
(vc-svn-annotate-time-of-rev vc-annotate-parent-rev))
(defconst vc-svn-annotate-re "[ \t]*\\([0-9]+\\)[ \t]+[^\t ]+ ")
(defun vc-svn-annotate-time ()
(when (looking-at vc-svn-annotate-re)
(goto-char (match-end 0))
(vc-svn-annotate-time-of-rev (match-string 1))))
(defun vc-svn-annotate-extract-revision-at-line ()
(save-excursion
(beginning-of-line)
(if (looking-at vc-svn-annotate-re) (match-string 1))))
(provide 'vc-svn)