discussion and development of piem
 help / color / mirror / code / Atom feed
blob c62a2e6e20dfbae753fb2853296b6bb0842719a6 5607 bytes (raw)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
 
;;; piem-gnus.el --- Gnus integration for piem  -*- lexical-binding: t; -*-

;; Copyright all piem contributors <piem@inbox.kyleam.com>

;; Author: Kyle Meyer <kyle@kyleam.com>
;; Keywords: vc, tools
;; 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:

;; This library provides a minor mode, `piem-gnus-mode', that modifies
;; `piem' variables to teach functions like `piem-inbox' and
;; `piem-am-ready-mbox' how to extract information from Gnus buffers.

;;; Code:

(require 'gnus)
(require 'gnus-art)
(require 'gnus-sum)
(require 'mail-parse)
(require 'message)
(require 'piem)

(defgroup piem-gnus nil
  "Gnus integration for piem."
  :group 'piem)

(defun piem-gnus-get-inbox ()
  "Return inbox name from a Gnus article"
  (when (derived-mode-p 'gnus-article-mode 'gnus-summary-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 'gnus-summary-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)))))

(defun piem-gnus-mid-to-thread (mid)
  (when (and (derived-mode-p 'gnus-summary-mode)
             (string-equal (substring
                            (mail-header-id (gnus-summary-article-header))
                            1 -1)       ; Remove "<" and ">"
                           mid))
    (save-excursion
      ;; Cursor has to be at the root of the thread
      (gnus-summary-refer-parent-article most-positive-fixnum)
      (let ((articles (gnus-summary-articles-in-thread))
            messages
            ;; Just show raw message
            (gnus-have-all-headers t)
            gnus-article-prepare-hook
            gnus-article-decode-hook
            gnus-display-mime-function
            gnus-break-pages)
        (mapc (lambda (article)
                (gnus-summary-display-article article)
                (push (format
                       "From mboxrd@z Thu Jan  1 00:00:00 1970\n%s\n"
                       (replace-regexp-in-string ; From-munge
                        "^>*From "
                        ">\\&"
                        (with-current-buffer gnus-article-buffer
                          (buffer-substring-no-properties
                           (point-min)
                           (point-max)))))
                      messages))
              articles)
        (lambda ()
          (insert (apply #'concat (nreverse messages))))))))

(defun piem-gnus-am-ready-mbox ()
  "Return a function that inserts an am-ready mbox.
If the buffer has any MIME parts that look like a patch, use
those parts' contents (in order) as the mbox.  Otherwise, use the
message itself if it looks like a patch."
  (when (derived-mode-p 'gnus-article-mode 'gnus-summary-mode)
    (cond
     (gnus-article-mime-handles
      (when-let ((patches (delq nil (mapcar #'piem-am-extract-attached-patch
                                            gnus-article-mime-handles))))
        (cons (lambda ()
                (dolist (patch patches)
                  (insert patch)))
              "mbox")))
     (gnus-article-buffer
      (when-let ((patch (with-current-buffer gnus-article-buffer
                          (save-restriction
                            (widen)
                            (and (string-match-p
                                  piem-patch-subject-re
                                  (mail-decode-encoded-word-string
                                   (message-field-value "subject")))
                                 (buffer-substring-no-properties
                                  (point-min) (point-max)))))))
        (cons (lambda () (insert patch))
              "mbox"))))))

;;;###autoload
(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-am-ready-mbox-functions #'piem-gnus-am-ready-mbox)
        (add-hook 'piem-get-inbox-functions #'piem-gnus-get-inbox)
        (add-hook 'piem-get-mid-functions #'piem-gnus-get-mid)
        (add-hook 'piem-mid-to-thread-functions #'piem-gnus-mid-to-thread))
    (remove-hook 'piem-am-ready-mbox-functions #'piem-gnus-am-ready-mbox)
    (remove-hook 'piem-get-inbox-functions #'piem-gnus-get-inbox)
    (remove-hook 'piem-get-mid-functions #'piem-gnus-get-mid)
    (remove-hook 'piem-mid-to-thread-functions #'piem-gnus-mid-to-thread)))

;;; piem-gnus.el ends here
(provide 'piem-gnus)

debug log:

solving c62a2e6e ...
found c62a2e6e in https://git.kyleam.com/piem/

Code repositories for project(s) associated with this public inbox

	https://git.kyleam.com/piem/

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).