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authorKyle Meyer <kyle@kyleam.com>2020-05-10 23:23:14 -0400
committerKyle Meyer <kyle@kyleam.com>2020-05-11 00:23:46 -0400
commitf19ce5e1e4e56947d563187c96603582859a6a3c (patch)
tree74c55096126f30645f278f1dd5caa2cb7e0e2dce
parentd55b7895a8829d4fd120295bfb6134b51bf87fe4 (diff)
downloadpiem-f19ce5e1e4e56947d563187c96603582859a6a3c.tar.gz
Add basic support for Gnus articles
Implement message ID and inbox getters. As noted in the comment, leave the mid->thread functionality undefined for now, because I don't know if there's a good way to do that in Gnus. These functions should probably learn how to work from gnus-summary-mode too, but leave that for later. (Similarly, -notmuch should also probably support notmuch-{search,tree}-mode in addition to notmuch-show-mode.)
-rw-r--r--Makefile2
-rw-r--r--piem-gnus.el76
-rw-r--r--piem.texi4
3 files changed, 81 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 60545c8..94d3a36 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
# Rely on EMACSLOADPATH for everything but the current directory.
BATCH = emacs -Q --batch -L .
-all: loadpath piem.elc piem-b4.elc piem-notmuch.elc piem.info
+all: loadpath piem.elc piem-b4.elc piem-gnus.elc piem-notmuch.elc piem.info
.PHONY: clean
clean:
diff --git a/piem-gnus.el b/piem-gnus.el
new file mode 100644
index 0000000..f820cfc
--- /dev/null
+++ b/piem-gnus.el
@@ -0,0 +1,76 @@
+;;; piem-gnus.el --- Gnus integration for piem -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2020 Kyle Meyer
+
+;; Author: Kyle Meyer <kyle@kyleam.com>
+;; Keywords: vc, tools
+;; Version: 0.0.0
+;; Package-Requires: ((emacs "26.3"))
+
+;; 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 <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;
+
+;;; Code:
+
+(require 'gnus)
+(require 'message)
+(require 'piem)
+
+(defgroup piem-gnus nil
+ "Gnus integration for piem."
+ :link '(info-link "(piem)Gnus integration")
+ :group 'piem)
+
+(defun piem-gnus-get-inbox ()
+ "Return inbox name from a Gnus article"
+ (when (derived-mode-p 'gnus-article-mode)
+ (with-current-buffer gnus-original-article-buffer
+ (piem-inbox-by-header-match))))
+
+(defun piem-gnus-get-mid ()
+ "Return the message ID of a Gnus article."
+ (when (derived-mode-p 'gnus-article-mode)
+ (with-current-buffer gnus-original-article-buffer
+ (when-let ((mid (message-field-value "Message-ID")))
+ (if (string-match (rx string-start (zero-or-more space) "<"
+ (group (one-or-more (not (any ">"))))
+ ">" (zero-or-more space) string-end)
+ mid)
+ (match-string 1 mid)
+ mid)))))
+
+;; No function is defined for `piem-mid-to-thread-functions', at least
+;; until someone points out an easy way to generate an mbox for a
+;; thread in Gnus. All callers should fall back to getting the thread
+;; from a public-inbox instance.
+
+(define-minor-mode piem-gnus-mode
+ "Toggle Gnus support for piem.
+With a prefix argument ARG, enable piem-gnus mode if ARG is
+positive, and disable it otherwise. If called from Lisp, enable
+the mode if ARG is omitted or nil."
+ :global t
+ :init-value nil
+ (if piem-gnus-mode
+ (progn
+ (add-hook 'piem-get-inbox-functions #'piem-gnus-get-inbox)
+ (add-hook 'piem-get-mid-functions #'piem-gnus-get-mid))
+ (remove-hook 'piem-get-inbox-functions #'piem-gnus-get-inbox)
+ (remove-hook 'piem-get-mid-functions #'piem-gnus-get-mid)))
+
+;;; piem-gnus.el ends here
+(provide 'piem-gnus)
diff --git a/piem.texi b/piem.texi
index 5679006..c778cd2 100644
--- a/piem.texi
+++ b/piem.texi
@@ -47,6 +47,7 @@ This manual is for piem version @value{VERSION}.
* Overview::
* b4 interface::
* Notmuch integration::
+* Gnus integration::
* Related tools::
* Contributing::
@@ -72,6 +73,9 @@ Indices
@node Notmuch integration
@chapter Notmuch integration
+@node Gnus integration
+@chapter Gnus integration
+
@node Related tools
@chapter Related tools