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[Emacs-diffs] master d7ee133: Improve Gnus ephemeral bug group browsing
From: |
Lars Ingebrigtsen |
Subject: |
[Emacs-diffs] master d7ee133: Improve Gnus ephemeral bug group browsing |
Date: |
Sat, 6 Jul 2019 10:34:26 -0400 (EDT) |
branch: master
commit d7ee13331c1a4d47939132b896608a22125b9a26
Author: Basil L. Contovounesios <address@hidden>
Commit: Lars Ingebrigtsen <address@hidden>
Improve Gnus ephemeral bug group browsing
* doc/misc/gnus.texi (Foreign Groups): Update description of
gnus-read-ephemeral-emacs-bug-group for multiple bug
IDs (bug#11961).
* lisp/gnus/gnus-group.el (gnus-bug-group-download-format-alist):
Use HTTPS for Debian's bug tracker.
(gnus-group--read-bug-ids): New function for reading multiple bug
IDs in the minibuffer. Improves on previous brittle approach of
word-at-point -> read-string -> string-to-number by a) defaulting to
the more accurate bug-reference-bug-regexp or number-at-point
without using the intrusive INITIAL-INPUT argument, and b) not
attempting to parse bug IDs.
(gnus-read-ephemeral-bug-group): Use it. Extend docstring and
commentary. Fix handling of multiple bug IDs as either numbers or
strings. Hoist some string consing out of inner loop. Delete
temporary file even on error. Throw more informative error when
url-insert-file-contents successfully returns an error (bug#36433).
(gnus-read-ephemeral-debian-bug-group): Use gnus-group--read-bug-ids
and fix docstring for multiple bug IDs. Accept optional WINDOW-CONF
like other ephemeral bug group commands.
(gnus-read-ephemeral-emacs-bug-group): Use gnus-group--read-bug-ids
and fix string/numeric ID conversions. Try loading debbugs-gnu
before testing for debbugs-gnu-summary-mode (bug#36433).
---
doc/misc/gnus.texi | 7 ++-
lisp/gnus/gnus-group.el | 164 ++++++++++++++++++++++++++++--------------------
2 files changed, 99 insertions(+), 72 deletions(-)
diff --git a/doc/misc/gnus.texi b/doc/misc/gnus.texi
index 28f000c..5e41ff2 100644
--- a/doc/misc/gnus.texi
+++ b/doc/misc/gnus.texi
@@ -2716,9 +2716,10 @@ given @acronym{URL}. Supported @acronym{URL} formats
include:
@item gnus-read-ephemeral-emacs-bug-group
@findex gnus-read-ephemeral-emacs-bug-group
-Read an Emacs bug report in an ephemeral group. Gnus will prompt for a
-bug number. The default is the number at point. The @acronym{URL} is
-specified in @code{gnus-bug-group-download-format-alist}.
+Read an Emacs bug report in an ephemeral group. Gnus will prompt for
+multiple bug numbers. The default is the number at point. The
+@acronym{URL} template is specified in
+@code{gnus-bug-group-download-format-alist}.
@item gnus-read-ephemeral-debian-bug-group
@findex gnus-read-ephemeral-debian-bug-group
diff --git a/lisp/gnus/gnus-group.el b/lisp/gnus/gnus-group.el
index f49ed16..ea695aa 100644
--- a/lisp/gnus/gnus-group.el
+++ b/lisp/gnus/gnus-group.el
@@ -2423,7 +2423,7 @@ Valid input formats include:
(defcustom gnus-bug-group-download-format-alist
'((emacs .
"https://debbugs.gnu.org/cgi/bugreport.cgi?bug=%s;mboxmaint=yes;mboxstat=yes")
(debian
- .
"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%s&mbox=yes;mboxmaint=yes"))
+ .
"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%s&mbox=yes;mboxmaint=yes"))
"Alist of symbols for bug trackers and the corresponding URL format string.
The URL format string must contain a single \"%s\", specifying
the bug number, and browsing the URL must return mbox output."
@@ -2434,90 +2434,116 @@ the bug number, and browsing the URL must return mbox
output."
:version "24.1"
:type '(repeat (cons (symbol) (string :tag "URL format string"))))
+(autoload 'thing-at-point-looking-at "thingatpt")
+(defvar bug-reference-bug-regexp)
+
+(defun gnus-group--read-bug-ids ()
+ "Return a list of bug IDs read in the minibuffer."
+ (require 'bug-reference)
+ (let ((def (cond ((thing-at-point-looking-at bug-reference-bug-regexp 500)
+ (match-string 2))
+ ((number-at-point)))))
+ ;; Pass DEF as the value of COLLECTION instead of DEF because:
+ ;; a) null input should not cause DEF to be returned and
+ ;; b) TAB and M-n still work this way.
+ (completing-read-multiple "Bug IDs: " (and def (list (format "%s" def))))))
+
(defun gnus-read-ephemeral-bug-group (ids mbox-url &optional window-conf)
- "Browse bug NUMBER as ephemeral group."
- (interactive (list (read-string "Enter bug number: "
- (thing-at-point 'word) nil)
- ;; FIXME: Add completing-read from
- ;; `gnus-emacs-bug-group-download-format' ...
- (cdr (assoc 'emacs gnus-bug-group-download-format-alist))))
- (when (stringp ids)
- (setq ids (string-to-number ids)))
- (unless (listp ids)
- (setq ids (list ids)))
+ "Browse bug reports with IDS in an ephemeral group.
+IDS can be either a single bug ID (a number or string), or a list
+thereof. MBOX-URL is a URL format string identifying the bug
+tracker; see `gnus-bug-group-download-format-alist' for details.
+Interactively, read multiple bug IDS in the minibuffer and
+default to the MBOX-URL for the Emacs bug tracker. WINDOW-CONF
+is the name of the Gnus window configuration to use when exiting
+the ephemeral group."
+ (interactive
+ (list (gnus-group--read-bug-ids)
+ (alist-get 'emacs gnus-bug-group-download-format-alist)))
+ (or ids (user-error "No bug IDs specified"))
+ (setq ids (mapcar (lambda (id) (format "%s" id))
+ (if (consp ids) ids (list ids))))
(let ((tmpfile (make-temp-file "gnus-temp-group-")))
- (let ((coding-system-for-write 'binary)
- (coding-system-for-read 'binary))
- (with-temp-file tmpfile
- (mm-disable-multibyte)
- (dolist (id ids)
- (let ((file (format "~/.emacs.d/debbugs-cache/%s" id)))
- (if (and (not gnus-plugged)
- (file-exists-p file))
- (insert-file-contents file)
- (url-insert-file-contents (format mbox-url id) t))))
+ (unwind-protect
;; Add the debbugs address so that we can respond to reports easily.
- (let ((address
- (format "%s@%s" (car ids)
- (url-host (url-generic-parse-url mbox-url)))))
- (goto-char (point-min))
- (while (re-search-forward (concat "^" message-unix-mail-delimiter)
- nil t)
- (narrow-to-region (point)
- (if (search-forward "\n\n" nil t)
- (1- (point))
- (point-max)))
- (unless (string-match (concat "\\(?:\\`\\|[ ,<]\\)"
- (regexp-quote address)
- "\\(?:\\'\\|[ ,>]\\)")
- (concat (message-fetch-field "to") " "
- (message-fetch-field "cc")))
+ (let* ((address (format "%s@%s" (car ids)
+ (url-host (url-generic-parse-url mbox-url))))
+ (address-re (concat "\\(?:\\`\\|[ ,<]\\)"
+ (regexp-quote address)
+ "\\(?:\\'\\|[ ,>]\\)"))
+ (delim (concat "^" message-unix-mail-delimiter)))
+ (let ((coding-system-for-write 'binary)
+ (coding-system-for-read 'binary))
+ (with-temp-file tmpfile
+ (mm-disable-multibyte)
+ (dolist (id ids)
+ (let ((file (concat "~/.emacs.d/debbugs-cache/" id)))
+ (if (and (not gnus-plugged)
+ (file-exists-p file))
+ (insert-file-contents file)
+ ;; Pass non-nil VISIT to avoid errors with non-nil
+ ;; `url-automatic-caching' (bug#26063, bug#29008)
+ ;; and immediately unvisit.
+ ;; FIXME: This masks real errors!
+ (url-insert-file-contents (format mbox-url id) t)
+ (setq buffer-file-name nil))))
(goto-char (point-min))
- (if (re-search-forward "^To:" nil t)
- (progn
+ ;; Throw an informative error early instead of passing nonsense
+ ;; to `gnus-group-read-ephemeral-group' (bug#36433).
+ (unless (save-excursion (re-search-forward delim nil t))
+ (error "Invalid mbox format for bug IDs: %s"
+ (string-join ids ", ")))
+ (while (re-search-forward delim nil t)
+ (narrow-to-region (point)
+ (if (search-forward "\n\n" nil t)
+ (1- (point))
+ (point-max)))
+ (unless (string-match-p address-re
+ (concat (message-fetch-field "to") " "
+ (message-fetch-field "cc")))
+ (goto-char (point-min))
+ (if (not (re-search-forward "^To:" nil t))
+ (insert "To: " address "\n")
(message-next-header)
(skip-chars-backward "\t\n ")
- (insert ", " address))
- (insert "To: " address "\n")))
- (goto-char (point-max))
- (widen)))
- ;; `url-insert-file-contents' sets this because of the 2nd arg.
- (setq buffer-file-name nil)))
- (gnus-group-read-ephemeral-group
- (format "nndoc+ephemeral:bug#%s"
- (mapconcat 'number-to-string ids ","))
- `(nndoc ,tmpfile
- (nndoc-article-type mbox))
- nil window-conf)
- (delete-file tmpfile)))
-
-(defun gnus-read-ephemeral-debian-bug-group (number)
- "Browse Debian bug NUMBER as ephemeral group."
- (interactive (list (read-string "Enter bug number: "
- (thing-at-point 'word) nil)))
+ (insert ", " address)))
+ (goto-char (point-max))
+ (widen))))
+ (gnus-group-read-ephemeral-group
+ (concat "nndoc+ephemeral:bug#" (string-join ids ","))
+ `(nndoc ,tmpfile
+ (nndoc-article-type mbox))
+ nil window-conf))
+ (delete-file tmpfile))))
+
+(defun gnus-read-ephemeral-debian-bug-group (ids &optional window-conf)
+ "Browse Debian bug reports with IDS in an ephemeral group.
+The arguments have the same meaning as those of
+`gnus-read-ephemeral-bug-group', which see."
+ (interactive (list (gnus-group--read-bug-ids)))
(gnus-read-ephemeral-bug-group
- number
- (cdr (assoc 'debian gnus-bug-group-download-format-alist))))
+ ids
+ (alist-get 'debian gnus-bug-group-download-format-alist)
+ window-conf))
(defvar debbugs-gnu-bug-number) ; debbugs-gnu
(defun gnus-read-ephemeral-emacs-bug-group (ids &optional window-conf)
- "Browse Emacs bugs IDS as an ephemeral group."
- (interactive (list (string-to-number
- (read-string "Enter bug number: "
- (thing-at-point 'word) nil))))
- (when (stringp ids)
- (setq ids (string-to-number ids)))
- (unless (listp ids)
- (setq ids (list ids)))
+ "Browse Emacs bug reports with IDS in an ephemeral group.
+The arguments have the same meaning as those of
+`gnus-read-ephemeral-bug-group', which see."
+ (interactive (list (gnus-group--read-bug-ids)))
(gnus-read-ephemeral-bug-group
ids
- (cdr (assoc 'emacs gnus-bug-group-download-format-alist))
+ (alist-get 'emacs gnus-bug-group-download-format-alist)
window-conf)
- (when (fboundp 'debbugs-gnu-summary-mode)
+ (when (and (require 'debbugs-gnu nil t)
+ (fboundp 'debbugs-gnu-summary-mode))
(with-current-buffer (window-buffer (selected-window))
(debbugs-gnu-summary-mode 1)
- (set (make-local-variable 'debbugs-gnu-bug-number) (car ids)))))
+ (let ((id (or (car-safe ids) ids)))
+ (if (stringp id) (setq id (string-to-number id)))
+ (setq-local debbugs-gnu-bug-number id)))))
(defun gnus-group-jump-to-group (group &optional prompt)
"Jump to newsgroup GROUP.
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