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;;; km-mail.el --- Gnus-related extensions
;; Copyright (C) 2012-2020 Kyle Meyer <kyle@kyleam.com>
;; Author: Kyle Meyer <kyle@kyleam.com>
;; URL: https://git.kyleam.com/emacs.d
;; This program 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 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'projectile)
(require 'gnus)
(require 'gnus-group)
(require 'gnus-topic)
(require 'gnus-sum)
(require 'shr)
(require 'km-util)
;; http://www.emacswiki.org/emacs/GnusSync
(defun km/gnus-grace-exit-before-kill-emacs ()
(if (and (fboundp 'gnus-alive-p)
(gnus-alive-p))
(let ((noninteractive t))
(gnus-group-exit))))
(defun km/gnus-group-sort-by-topic (info1 info2)
"Sort alphabetically by group topic.
This allows groups to be ordered by topics even when topic mode
is off."
(require 'gnus-topic)
(string< (gnus-group-topic (gnus-info-group info1))
(gnus-group-topic (gnus-info-group info2))))
(defun km/gnus-summary-set-current-article ()
(unless gnus-summary-buffer
(user-error "No summary buffer"))
(with-current-buffer gnus-summary-buffer
(save-window-excursion (gnus-summary-select-article))))
(defun km/gnus--last-message-link ()
(with-current-buffer gnus-article-buffer
(save-excursion
(goto-char (point-max))
(widget-forward -1)
(when-let ((link (or (get-text-property (point) 'gnus-string)
(get-text-property (point) 'shr-url))))
(kill-new link)))))
(defun km/gnus--gmane-link (&optional perma)
(with-current-buffer gnus-original-article-buffer
(when-let ((blink (message-field-value "Archived-At"))
(link (or (and (string-match
(rx string-start
(zero-or-more space)
"<"
(group (one-or-more (not (any ">"))))
">"
string-end)
blink)
(match-string 1 blink))
blink)))
(if perma
link
(replace-regexp-in-string "\\`http://permalink\.gmane\.org/"
"http://thread.gmane.org/"
link)))))
(defun km/gnus-copy-gmane-link-as-kill (&optional perma)
(interactive "P")
(km/gnus-summary-set-current-article)
(with-current-buffer gnus-original-article-buffer
(when-let ((link (km/gnus--gmane-link perma)))
(kill-new (message "%s" link)))))
(defun km/gnus-copy-message-link (follow)
"Copy link for current message.
If it has an \"Archived-At\" header, use that. Otherwise, get
the link from the last widget in the buffer. With prefix
argument FOLLOW, follow link instead of copying it."
(interactive "P")
(km/gnus-summary-set-current-article)
(with-current-buffer gnus-original-article-buffer
(save-excursion
(when-let ((link (or (km/gnus--gmane-link)
(km/gnus--last-message-link))))
(funcall (if follow
#'browse-url
(lambda (s) (kill-new (message "%s" s))))
link)))))
;;;###autoload
(defun km/gnus-copy-message-id-as-kill ()
(interactive)
(with-current-buffer gnus-original-article-buffer
(when-let ((mid (message-field-value "Message-ID")))
(kill-new (message "%s" mid)))))
(defun km/gnus-open-github-patch ()
"Open patch from GitHub email."
(interactive)
(km/gnus-summary-set-current-article)
(km/open-github-patch gnus-original-article-buffer))
(defun km/gnus-summary-catchup (&optional no-next)
"Mark all articles as read.
Don't ask for confirmation. With prefix argument NO-NEXT, exit
to group buffer instead of moving to next group."
(interactive "P")
(let ((gnus-auto-select-next (unless no-next 'quietly)))
(gnus-summary-catchup-and-exit nil t)))
(defun km/shr-browse-url-and-goto-next ()
"Run `shr-browse-url' followed by `shr-next-link'."
(interactive)
(shr-browse-url)
(shr-next-link))
(defun km/gnus-pipe-to-project ()
"Call `gnus-summary-pipe-output' in project root."
(interactive)
(let ((gnus-summary-pipe-output-default-command
(format "cd %s && %s"
(completing-read "Project: "
(projectile-relevant-known-projects))
(cond
((not gnus-summary-pipe-output-default-command)
"git am")
((string-match "\\`cd .* && \\(.*\\)"
gnus-summary-pipe-output-default-command)
(match-string-no-properties
1 gnus-summary-pipe-output-default-command))
(t
gnus-summary-pipe-output-default-command)))))
(call-interactively #'gnus-summary-pipe-output)))
(provide 'km-gnus)
;;; km-gnus.el ends here
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