;;; nnslashdot.el --- interfacing with Slashdot
-;; Copyright (C) 1999 Free Software Foundation, Inc.
+;; Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;;; Commentary:
-;; Note: You need to have `url' and `w3' installed for this
-;; backend to work.
-
;;; Code:
(eval-when-compile (require 'cl))
(require 'gnus)
(require 'nnmail)
(require 'mm-util)
-(require 'nnweb)
-(eval-when-compile
- (ignore-errors
- (require 'w3)
- (require 'url)
- (require 'w3-forms)))
-;; Report failure to find w3 at load time if appropriate.
-(eval '(progn
- (require 'w3)
- (require 'url)
- (require 'w3-forms)))
+(require 'mm-url)
(nnoo-declare nnslashdot)
"http://slashdot.org/article.pl?sid=%s&mode=nocomment"
"Where nnslashdot will fetch the article from.")
+(defvoo nnslashdot-backslash-url "http://slashdot.org/slashdot.xml"
+ "Where nnslashdot will fetch the stories from.")
+
+(defvoo nnslashdot-use-front-page nil
+ "Use the front page in addition to the backslash page.")
+
(defvoo nnslashdot-threshold -1
"The article threshold.")
(deffoo nnslashdot-retrieve-headers (articles &optional group server fetch-old)
(nnslashdot-possibly-change-server group server)
- (unless gnus-nov-is-evil
- (if nnslashdot-threaded
- (nnslashdot-threaded-retrieve-headers articles group)
- (nnslashdot-sane-retrieve-headers articles group))))
-
-(deffoo nnslashdot-threaded-retrieve-headers (articles group)
- (let ((last (car (last articles)))
- (did nil)
- (start 1)
- (sid (caddr (assoc group nnslashdot-groups)))
- (first-comments t)
- (startats '(1))
- headers article subject score from date lines parent point s)
+ (condition-case why
+ (unless gnus-nov-is-evil
+ (nnslashdot-retrieve-headers-1 articles group))
+ (search-failed (nnslashdot-lose why))))
+
+(deffoo nnslashdot-retrieve-headers-1 (articles group)
+ (let* ((last (car (last articles)))
+ (start (if nnslashdot-threaded 1 (pop articles)))
+ (entry (assoc group nnslashdot-groups))
+ (sid (nth 2 entry))
+ (first-comments t)
+ headers article subject score from date lines parent point cid
+ s startats changed)
(save-excursion
(set-buffer nnslashdot-buffer)
(let ((case-fold-search t))
(erase-buffer)
(when (= start 1)
- (nnweb-insert (format nnslashdot-article-url sid))
+ (mm-url-insert (format nnslashdot-article-url sid) t)
(goto-char (point-min))
- (search-forward "Posted by ")
- (when (looking-at "<a[^>]+>\\([^<]+\\)")
- (setq from (match-string 1)))
- (search-forward " on ")
+ (if (eobp)
+ (error "Couldn't open connection to slashdot"))
+ (re-search-forward "Posted by[ \t\r\n]+")
+ (when (looking-at "\\(<a[^>]+>\\)?[ \t\r\n]*\\([^<\r\n]+\\)")
+ (setq from (mm-url-decode-entities-string (match-string 2))))
+ (search-forward "on ")
(setq date (nnslashdot-date-to-date
(buffer-substring (point) (1- (search-forward "<")))))
- (forward-line 2)
- (setq lines (count-lines
- (point)
- (search-forward
- "A href=http://slashdot.org/article.pl")))
+ (setq lines (/ (- (point)
+ (progn (forward-line 1) (point)))
+ 60))
(push
(cons
1
(make-full-mail-header
- 1 group from date (concat "<" sid "%1@slashdot>")
+ 1 group from date
+ (concat "<" sid "%1@slashdot>")
"" 0 lines nil nil))
- headers))
- (while (and (setq start (pop startats))
- (< start last))
+ headers)
+ (setq start (if nnslashdot-threaded 2 (pop articles))))
+ (while (and start (<= start last))
(setq point (goto-char (point-max)))
- (nnweb-insert
- (format nnslashdot-comments-url sid nnslashdot-threshold 0 start))
- (when first-comments
+ (mm-url-insert
+ (format nnslashdot-comments-url sid
+ nnslashdot-threshold 0 (- start 2))
+ t)
+ (when (and nnslashdot-threaded first-comments)
(setq first-comments nil)
(goto-char (point-max))
(while (re-search-backward "startat=\\([0-9]+\\)" nil t)
(unless (memq s startats)
(push s startats)))
(setq startats (sort startats '<)))
+ (setq article (if (and article (< start article)) article start))
(goto-char point)
(while (re-search-forward
- "<a name=\"\\([0-9]+\\)\"><b>\\([^<]+\\)</b>.*score:\\([^)]+\\))"
+ "<a name=\"\\([0-9]+\\)\"><\\(b\\|H4\\)>\\([^<]+\\)</\\(b\\|H4\\)>.*score:\\([^)]+\\))"
nil t)
- (setq article (string-to-number (match-string 1))
- subject (match-string 2)
- score (match-string 3))
+ (setq cid (match-string 1)
+ subject (match-string 3)
+ score (match-string 5))
+ (unless (assq article (nth 4 entry))
+ (setcar (nthcdr 4 entry) (cons (cons article cid) (nth 4 entry)))
+ (setq changed t))
(when (string-match "^Re: *" subject)
(setq subject (concat "Re: " (substring subject (match-end 0)))))
- (forward-line 1)
- (if (looking-at
- "by <a[^>]+>\\([^<]+\\)</a>[ \t\n]*.*(\\([^)]+\\))")
- (setq from (concat (match-string 1)
- " <" (match-string 2) ">"))
- (looking-at "by \\(.+\\) on ")
- (setq from (match-string 1)))
- (goto-char (- (match-end 0) 5))
- (search-forward " on ")
+ (setq subject (mm-url-decode-entities-string subject))
+ (search-forward "<BR>")
+ (cond
+ ((looking-at
+ "by[ \t\n]+<a[^>]+>\\([^<]+\\)</a>[ \t\n]*(\\(<[^>]+>\\)*\\([^<>)]+\\))")
+ (goto-char (- (match-end 0) 5))
+ (setq from (concat
+ (mm-url-decode-entities-string (match-string 1))
+ " <" (match-string 3) ">")))
+ ((looking-at "by[ \t\n]+<a[^>]+>\\([^<(]+\\) (\\([0-9]+\\))</a>")
+ (goto-char (- (match-end 0) 5))
+ (setq from (concat
+ (mm-url-decode-entities-string (match-string 1))
+ " <" (match-string 2) ">")))
+ ((looking-at "by \\([^<>]*\\)[\t\n\r ]+on ")
+ (goto-char (- (match-end 0) 5))
+ (setq from (mm-url-decode-entities-string (match-string 1))))
+ (t
+ (setq from "")))
+ (search-forward "on ")
(setq date
(nnslashdot-date-to-date
- (buffer-substring (point) (progn (end-of-line) (point)))))
- (setq lines (/ (abs (- (search-forward "<td ")
+ (buffer-substring (point) (progn (skip-chars-forward "^()<>\n\r") (point)))))
+ (setq lines (/ (abs (- (search-forward "<td")
(search-forward "</td>")))
70))
- (forward-line 2)
- (setq parent
- (if (looking-at ".*cid=\\([0-9]+\\)")
- (match-string 1)
- nil))
- (setq did t)
+ (if (not
+ (re-search-forward ".*cid=\\([0-9]+\\)\">Parent</A>" nil t))
+ (setq parent nil)
+ (setq parent (match-string 1))
+ (when (string= parent "0")
+ (setq parent nil)))
(push
(cons
- (1+ article)
+ article
(make-full-mail-header
- (1+ article)
+ article
(concat subject " (" score ")")
from date
- (concat "<" sid "%"
- (number-to-string (1+ article))
- "@slashdot>")
+ (concat "<" sid "%" cid "@slashdot>")
(if parent
- (concat "<" sid "%"
- (number-to-string (1+ (string-to-number parent)))
- "@slashdot>")
+ (concat "<" sid "%" parent "@slashdot>")
"")
0 lines nil nil))
- headers)))))
+ headers)
+ (while (and articles (<= (car articles) article))
+ (pop articles))
+ (setq article (1+ article)))
+ (if nnslashdot-threaded
+ (progn
+ (setq start (pop startats))
+ (if start (setq start (+ start 2))))
+ (setq start (pop articles))))))
+ (if changed (nnslashdot-write-groups))
(setq nnslashdot-headers (sort headers 'car-less-than-car))
(save-excursion
(set-buffer nntp-server-buffer)
(erase-buffer)
- (dolist (header nnslashdot-headers)
- (nnheader-insert-nov (cdr header))))
- 'nov))
-
-(deffoo nnslashdot-sane-retrieve-headers (articles group)
- (let ((last (car (last articles)))
- (did nil)
- (start (max (1- (car articles)) 1))
- (sid (caddr (assoc group nnslashdot-groups)))
- headers article subject score from date lines parent point)
- (save-excursion
- (set-buffer nnslashdot-buffer)
- (erase-buffer)
- (when (= start 1)
- (nnweb-insert (format nnslashdot-article-url sid))
- (goto-char (point-min))
- (search-forward "Posted by ")
- (when (looking-at "<a[^>]+>\\([^<]+\\)")
- (setq from (match-string 1)))
- (search-forward " on ")
- (setq date (nnslashdot-date-to-date
- (buffer-substring (point) (1- (search-forward "<")))))
- (forward-line 2)
- (setq lines (count-lines (point)
- (search-forward
- "A href=http://slashdot.org/article.pl")))
- (push
- (cons
- 1
- (make-full-mail-header
- 1 group from date (concat "<" sid "%1@slashdot>")
- "" 0 lines nil nil))
- headers))
- (while (or (not article)
- (and did
- (< article last)))
- (when article
- (setq start (1+ article)))
- (setq point (goto-char (point-max)))
- (nnweb-insert
- (format nnslashdot-comments-url sid nnslashdot-threshold 4 start))
- (goto-char point)
- (while (re-search-forward
- "<a name=\"\\([0-9]+\\)\"><b>\\([^<]+\\)</b>.*score:\\([^)]+\\))"
- nil t)
- (setq article (string-to-number (match-string 1))
- subject (match-string 2)
- score (match-string 3))
- (when (string-match "^Re: *" subject)
- (setq subject (concat "Re: " (substring subject (match-end 0)))))
- (forward-line 1)
- (if (looking-at
- "by <a[^>]+>\\([^<]+\\)</a>[ \t\n]*.*(\\([^)]+\\))")
- (setq from (concat (match-string 1) " <" (match-string 2) ">"))
- (looking-at "by \\(.+\\) on ")
- (setq from (match-string 1)))
- (goto-char (- (match-end 0) 5))
- (search-forward " on ")
- (setq date
- (nnslashdot-date-to-date
- (buffer-substring (point) (progn (end-of-line) (point)))))
- (setq lines (/ (abs (- (search-forward "<td ")
- (search-forward "</td>")))
- 70))
- (forward-line 2)
- (setq parent
- (if (looking-at ".*cid=\\([0-9]+\\)")
- (match-string 1)
- nil))
- (setq did t)
- (push
- (cons
- (1+ article)
- (make-full-mail-header
- (1+ article) (concat subject " (" score ")")
- from date
- (concat "<" sid "%"
- (number-to-string (1+ article))
- "@slashdot>")
- (if parent
- (concat "<" sid "%"
- (number-to-string (1+ (string-to-number parent)))
- "@slashdot>")
- "")
- 0 lines nil nil))
- headers))))
- (setq nnslashdot-headers
- (sort headers (lambda (s1 s2) (< (car s1) (car s2)))))
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (dolist (header nnslashdot-headers)
- (nnheader-insert-nov (cdr header))))
+ (mm-with-unibyte-current-buffer
+ (dolist (header nnslashdot-headers)
+ (nnheader-insert-nov (cdr header)))))
'nov))
(deffoo nnslashdot-request-group (group &optional server dont-check)
(deffoo nnslashdot-request-article (article &optional group server buffer)
(nnslashdot-possibly-change-server group server)
- (let (contents)
- (save-excursion
- (set-buffer nnslashdot-buffer)
- (let ((case-fold-search t))
- (goto-char (point-min))
- (when (and (stringp article)
- (string-match "%\\([0-9]+\\)@" article))
- (setq article (string-to-number (match-string 1 article))))
- (when (numberp article)
- (if (= article 1)
- (progn
- (re-search-forward "Posted by .* on ")
- (forward-line 1)
+ (let (contents cid)
+ (condition-case why
+ (save-excursion
+ (set-buffer nnslashdot-buffer)
+ (let ((case-fold-search t))
+ (goto-char (point-min))
+ (when (and (stringp article)
+ (string-match "%\\([0-9]+\\)@" article))
+ (setq cid (match-string 1 article))
+ (let ((map (nth 4 (assoc group nnslashdot-groups))))
+ (while map
+ (if (equal (cdar map) cid)
+ (setq article (caar map)
+ map nil)
+ (setq map (cdr map))))))
+ (when (numberp article)
+ (if (= article 1)
+ (progn
+ (re-search-forward
+ "Posted by")
+ (search-forward "<BR>")
+ (setq contents
+ (buffer-substring
+ (point)
+ (progn
+ (re-search-forward
+ "<IFRAME\\|<SCRIPT LANGUAGE=\"JAVASCRIPT\">\\|<!-- no ad 6 -->\\|< [ \t\r\n]*<A HREF=\"\\(\\(http:\\)?//slashdot\\.org\\)?/article")
+ (match-beginning 0)))))
+ (setq cid (cdr (assq article
+ (nth 4 (assoc group nnslashdot-groups)))))
+ (search-forward (format "<a name=\"%s\">" cid))
(setq contents
(buffer-substring
- (point)
- (progn
- (re-search-forward
- "<p>.*A href=http://slashdot.org/article.pl")
- (match-beginning 0)))))
- (search-forward (format "<a name=\"%d\">" (1- article)))
- (setq contents
- (buffer-substring
- (re-search-forward "<td[^>]+>")
- (search-forward "</td>")))))))
+ (re-search-forward "<td[^>]*>")
+ (search-forward "</td>")))))))
+ (search-failed (nnslashdot-lose why)))
+
(when contents
(save-excursion
(set-buffer (or buffer nntp-server-buffer))
(erase-buffer)
- (insert contents)
- (goto-char (point-min))
- (while (search-forward "<br><br>" nil t)
- (replace-match "<p>" t t))
- (goto-char (point-min))
- (insert "Content-Type: text/html\nMIME-Version: 1.0\n")
- (insert "Newsgroups: " (caddr (assoc group nnslashdot-groups))
- "\n")
- (let ((header (cdr (assq article nnslashdot-headers))))
- (nnheader-insert-header header))
- (nnheader-report 'nnslashdot "Fetched article %s" article)
+ (mm-with-unibyte-current-buffer
+ (insert contents)
+ (goto-char (point-min))
+ (while (re-search-forward "\\(<br>\r?\\)+" nil t)
+ (replace-match "<p>" t t))
+ (goto-char (point-min))
+ (insert "Content-Type: text/html\nMIME-Version: 1.0\n")
+ (insert "Newsgroups: " (caddr (assoc group nnslashdot-groups))
+ "\n")
+ (let ((header (cdr (assq article nnslashdot-headers))))
+ (nnheader-insert-header header))
+ (nnheader-report 'nnslashdot "Fetched article %s" article))
(cons group article)))))
(deffoo nnslashdot-close-server (&optional server)
(deffoo nnslashdot-request-list (&optional server)
(nnslashdot-possibly-change-server nil server)
(let ((number 0)
+ (first nnslashdot-use-front-page)
sid elem description articles gname)
- ;; First we do the Ultramode to get info on all the latest groups.
- (with-temp-buffer
- (nnweb-insert "http://slashdot.org/slashdot.xml")
- (goto-char (point-min))
- (while (search-forward "<story>" nil t)
- (narrow-to-region (point) (search-forward "</story>"))
- (goto-char (point-min))
- (re-search-forward "<title>\\([^<]+\\)</title>")
- (setq description (match-string 1))
- (re-search-forward "<url>\\([^<]+\\)</url>")
- (setq sid (match-string 1))
- (string-match "/\\([0-9/]+\\).shtml" sid)
- (setq sid (match-string 1 sid))
- (re-search-forward "<comments>\\([^<]+\\)</comments>")
- (setq articles (string-to-number (match-string 1)))
- (setq gname (concat description " (" sid ")"))
- (if (setq elem (assoc gname nnslashdot-groups))
- (setcar (cdr elem) articles)
- (push (list gname articles sid) nnslashdot-groups))
- (goto-char (point-max))
- (widen)))
- ;; Then do the older groups.
- (while (> (- nnslashdot-group-number number) 0)
- (with-temp-buffer
- (let ((case-fold-search t))
- (nnweb-insert (format nnslashdot-active-url number))
- (goto-char (point-min))
- (while (re-search-forward
- "article.pl\\?sid=\\([^&]+\\).*<b>\\([^<]+\\)</b>" nil t)
- (setq sid (match-string 1)
- description (match-string 2))
- (forward-line 1)
- (when (re-search-forward "<b>\\([0-9]+\\)</b>" nil t)
- (setq articles (string-to-number (match-string 1))))
- (setq gname (concat description " (" sid ")"))
- (if (setq elem (assoc gname nnslashdot-groups))
- (setcar (cdr elem) articles)
- (push (list gname articles sid) nnslashdot-groups)))))
- (incf number 30))
+ (condition-case why
+ ;; First we do the Ultramode to get info on all the latest groups.
+ (progn
+ (mm-with-unibyte-buffer
+ (mm-url-insert nnslashdot-backslash-url t)
+ (goto-char (point-min))
+ (if (eobp)
+ (error "Couldn't open connection to slashdot"))
+ (while (search-forward "<story>" nil t)
+ (narrow-to-region (point) (search-forward "</story>"))
+ (goto-char (point-min))
+ (re-search-forward "<title>\\([^<]+\\)</title>")
+ (setq description
+ (mm-url-decode-entities-string (match-string 1)))
+ (re-search-forward "<url>\\([^<]+\\)</url>")
+ (setq sid (match-string 1))
+ (string-match "sid=\\([0-9/]+\\)\\(.shtml\\|$\\)" sid)
+ (setq sid (match-string 1 sid))
+ (re-search-forward "<comments>\\([^<]+\\)</comments>")
+ (setq articles (string-to-number (match-string 1)))
+ (setq gname (concat description " (" sid ")"))
+ (if (setq elem (assoc gname nnslashdot-groups))
+ (setcar (cdr elem) articles)
+ (push (list gname articles sid (current-time) nil)
+ nnslashdot-groups))
+ (goto-char (point-max))
+ (widen)))
+ ;; Then do the older groups.
+ (while (or first
+ (> (- nnslashdot-group-number number) 0))
+ (setq first nil)
+ (mm-with-unibyte-buffer
+ (let ((case-fold-search t))
+ (mm-url-insert (format nnslashdot-active-url number) t)
+ (goto-char (point-min))
+ (while (re-search-forward
+ "article.pl\\?sid=\\([^&]+\\).*>\\([^<]+\\)</a>"
+ nil t)
+ (setq sid (match-string 1)
+ description
+ (mm-url-decode-entities-string (match-string 2)))
+ (forward-line 1)
+ (when (re-search-forward "with \\([0-9]+\\) comment" nil t)
+ (setq articles (1+ (string-to-number (match-string 1)))))
+ (setq gname (concat description " (" sid ")"))
+ (if (setq elem (assoc gname nnslashdot-groups))
+ (setcar (cdr elem) articles)
+ (push (list gname articles sid (current-time) nil)
+ nnslashdot-groups)))))
+ (incf number 30)))
+ (search-failed (nnslashdot-lose why)))
(nnslashdot-write-groups)
(nnslashdot-generate-active)
t))
(insert "</blockquote>\n")
(setq quoted nil)))
(forward-line 1))
+ (goto-char (point-min))
+ (while (re-search-forward "^ *\n" nil t)
+ (replace-match "<p>\n"))
(widen)
(when (message-goto-signature)
(forward-line -1)
(message-goto-body)
(setq body (buffer-substring (point) (point-max)))
(erase-buffer)
- (nnweb-fetch-form
+ (mm-url-fetch-form
"http://slashdot.org/comments.pl"
`(("sid" . ,sid)
("pid" . ,pid)
("postercomment" . ,body)
("posttype" . "html")))))
+(deffoo nnslashdot-request-delete-group (group &optional force server)
+ (nnslashdot-possibly-change-server group server)
+ (setq nnslashdot-groups (delq (assoc group nnslashdot-groups)
+ nnslashdot-groups))
+ (nnslashdot-write-groups))
+
+(deffoo nnslashdot-request-close ()
+ (setq nnslashdot-headers nil
+ nnslashdot-groups nil))
+
+(deffoo nnslashdot-request-expire-articles
+ (articles group &optional server force)
+ (nnslashdot-possibly-change-server group server)
+ (let ((item (assoc group nnslashdot-groups)))
+ (when item
+ (if (fourth item)
+ (when (and (>= (length articles) (cadr item)) ;; All are expirable.
+ (nnmail-expired-article-p
+ group
+ (fourth item)
+ force))
+ (setq nnslashdot-groups (delq item nnslashdot-groups))
+ (nnslashdot-write-groups)
+ (setq articles nil)) ;; all expired.
+ (setcdr (cddr item) (list (current-time)))
+ (nnslashdot-write-groups))))
+ articles)
+
(nnoo-define-skeleton nnslashdot)
;;; Internal functions
(unless nnslashdot-groups
(nnslashdot-read-groups)))
+(defun nnslashdot-make-tuple (tuple n)
+ (prog1
+ tuple
+ (while (> n 1)
+ (unless (cdr tuple)
+ (setcdr tuple (list nil)))
+ (setq tuple (cdr tuple)
+ n (1- n)))))
+
(defun nnslashdot-read-groups ()
(let ((file (expand-file-name "groups" nnslashdot-directory)))
(when (file-exists-p file)
- (with-temp-buffer
+ (mm-with-unibyte-buffer
(insert-file-contents file)
(goto-char (point-min))
- (setq nnslashdot-groups (read (current-buffer)))))))
+ (setq nnslashdot-groups (read (current-buffer))))
+ (if (and nnslashdot-groups (< (length (car nnslashdot-groups)) 5))
+ (let ((groups nnslashdot-groups))
+ (while groups
+ (nnslashdot-make-tuple (car groups) 5)
+ (setq groups (cdr groups))))))))
(defun nnslashdot-write-groups ()
(with-temp-file (expand-file-name "groups" nnslashdot-directory)
- (prin1 nnslashdot-groups (current-buffer))))
-
+ (gnus-prin1 nnslashdot-groups)))
+
(defun nnslashdot-init (server)
"Initialize buffers and such."
(unless (file-exists-p nnslashdot-directory)
(setq nnslashdot-buffer
(save-excursion
(nnheader-set-temp-buffer
- (format " *nnslashdot %s*" server))))))
+ (format " *nnslashdot %s*" server))))
+ (push nnslashdot-buffer gnus-buffers)))
(defun nnslashdot-date-to-date (sdate)
- (let ((elem (delete "" (split-string sdate))))
- (concat (substring (nth 0 elem) 0 3) " "
- (substring (nth 1 elem) 0 3) " "
- (substring (nth 2 elem) 0 2) " "
- (substring (nth 3 elem) 1 6) " "
- (format-time-string "%Y") " "
- (nth 4 elem))))
+ (condition-case err
+ (let ((elem (delete "" (split-string sdate))))
+ (concat (substring (nth 0 elem) 0 3) " "
+ (substring (nth 1 elem) 0 3) " "
+ (substring (nth 2 elem) 0 2) " "
+ (substring (nth 3 elem) 1 6) " "
+ (format-time-string "%Y") " "
+ (nth 4 elem)))
+ (error "")))
(defun nnslashdot-generate-active ()
(save-excursion
(set-buffer nntp-server-buffer)
(erase-buffer)
(dolist (elem nnslashdot-groups)
- (insert (prin1-to-string (car elem))
- " " (number-to-string (cadr elem)) " 1 y\n"))))
+ (when (numberp (cadr elem))
+ (insert (prin1-to-string (car elem))
+ " " (number-to-string (cadr elem)) " 1 y\n")))))
+
+(defun nnslashdot-lose (why)
+ (error "Slashdot HTML has changed; please get a new version of nnslashdot"))
(provide 'nnslashdot)
+;;; arch-tag: aa73df7a-f7e6-4eef-bdea-5ce2f8c691b3
;;; nnslashdot.el ends here
projects / gnus / blobdiff