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emacs/lisp/gnus/gnus-int.el
Sean Whitton 8903106bb7 Mark if-let and when-let obsolete 
* lisp/subr.el (if-let*, when-let*, if-let, when-let): Mark
if-let and when-let obsolete (bug#73853 and elsewhere).  Move
docstring text around so that if-let* and when-let* descriptions
no longer refer to if-let and when-let.

* etc/NEWS: Announce the change.

* admin/admin.el (reminder-for-release-blocking-bugs):
* doc/misc/erc.texi (display-buffer):
* lisp/ansi-color.el (ansi-color-apply)
(ansi-color--face-vec-face):
* lisp/ansi-osc.el (ansi-osc-apply-on-region)
(ansi-osc-hyperlink):
* lisp/arc-mode.el (archive-goto-file)
(archive-next-file-displayer):
* lisp/auth-source-pass.el (auth-source-pass-search)
(auth-source-pass--parse-data)
(auth-source-pass--find-match-many):
* lisp/autorevert.el (auto-revert-notify-rm-watch):
* lisp/buff-menu.el (Buffer-menu-unmark-all-buffers)
(Buffer-menu-group-by-root):
* lisp/calendar/parse-time.el (parse-iso8601-time-string):
* lisp/cedet/pulse.el (pulse-tick):
* lisp/comint.el (comint--fontify-input-ppss-flush-indirect)
(comint--intersect-regions):
* lisp/completion-preview.el (completion-preview--try-table)
(completion-preview--capf-wrapper, completion-preview--update):
* lisp/cus-edit.el (setopt--set)
(custom-dirlocals-maybe-update-cons, custom-dirlocals-validate):
* lisp/custom.el (load-theme):
* lisp/descr-text.el (describe-char):
* lisp/desktop.el (desktop--emacs-pid-running-p):
* lisp/dired-x.el (menu):
* lisp/dired.el (dired-font-lock-keywords)
(dired-insert-directory, dired--insert-disk-space, dired-mode):
* lisp/dnd.el (dnd-handle-multiple-urls):
* lisp/dom.el (dom-remove-attribute):
* lisp/emacs-lisp/byte-opt.el (byte-optimize-form-code-walker):
* lisp/emacs-lisp/bytecomp.el (bytecomp--custom-declare):
* lisp/emacs-lisp/comp-common.el (comp-function-type-spec):
* lisp/emacs-lisp/comp-cstr.el (comp--all-classes)
(comp-cstr-set-range-for-arithm, comp--cstr-union-1-no-mem)
(comp-cstr-intersection-no-mem, comp-cstr-fixnum-p)
(comp-cstr-type-p):
* lisp/emacs-lisp/comp-run.el (comp-subr-trampoline-install)
(native--compile-async):
* lisp/emacs-lisp/comp.el (comp--get-function-cstr)
(comp--function-pure-p, comp--intern-func-in-ctxt)
(comp--addr-to-bb-name, comp--emit-assume, comp--maybe-add-vmvar)
(comp--add-call-cstr, comp--compute-dominator-tree)
(comp--dom-tree-walker, comp--ssa-rename)
(comp--function-call-maybe-fold, comp--fwprop-call)
(comp--call-optim-func):
* lisp/emacs-lisp/edebug.el (edebug-global-prefix)
(edebug-remove-instrumentation):
* lisp/emacs-lisp/eieio.el (initialize-instance):
* lisp/emacs-lisp/ert-x.el (ert-resource-directory):
* lisp/emacs-lisp/ert.el (ert--expand-should-1)
(ert-test-location, ert-write-junit-test-report)
(ert-test--erts-test):
* lisp/emacs-lisp/icons.el (icon-complete-spec, icon-string)
(icons--create):
* lisp/emacs-lisp/lisp-mode.el (lisp--local-defform-body-p):
* lisp/emacs-lisp/loaddefs-gen.el
(loaddefs-generate--make-autoload)
(loaddefs-generate--parse-file):
* lisp/emacs-lisp/multisession.el
(multisession-edit-mode--revert, multisession-edit-value):
* lisp/emacs-lisp/package-vc.el (package-vc--read-archive-data)
(package-vc--version, package-vc--clone):
* lisp/emacs-lisp/package.el (package--reload-previously-loaded):
* lisp/emacs-lisp/pp.el (pp--insert-lisp):
* lisp/emacs-lisp/subr-x.el (add-display-text-property):
* lisp/emacs-lisp/tabulated-list.el (tabulated-list-print):
* lisp/emacs-lisp/timer.el (run-at-time):
* lisp/emacs-lisp/vtable.el (vtable-goto-table)
(vtable-goto-column, vtable-update-object, vtable--insert-line)
(vtable--compute-widths, vtable--make-keymap):
* lisp/emacs-lisp/warnings.el (display-warning):
* lisp/epa-file.el (epa-file-insert-file-contents):
* lisp/epa.el (epa-show-key):
* lisp/erc/erc-backend.el (erc--split-line, erc--conceal-prompt)
(PRIVMSG, erc--get-isupport-entry):
* lisp/erc/erc-button.el (erc-button-add-nickname-buttons)
(erc--button-next):
* lisp/erc/erc-common.el (erc--find-group):
* lisp/erc/erc-fill.el (erc-fill, erc-fill-static)
(erc-fill--wrap-escape-hidden-speaker)
(erc-fill--wrap-unmerge-on-date-stamp)
(erc-fill--wrap-massage-initial-message-post-clear)
(erc-fill-wrap, erc-fill--wrap-rejigger-region):
* lisp/erc/erc-goodies.el (erc--scrolltobottom-all)
(erc--keep-place-indicator-on-window-buffer-change)
(keep-place-indicator, erc--keep-place-indicator-adjust-on-clear)
(erc-keep-place-move, erc--command-indicator-display):
* lisp/erc/erc-ibuffer.el (erc-members):
* lisp/erc/erc-join.el (erc-join--remove-requested-channel)
(erc-autojoin--join):
* lisp/erc/erc-networks.el
(erc-networks--id-qualifying-init-parts, erc-networks--id-reload)
(erc-networks--id-ensure-comparable)
(erc-networks--reclaim-orphaned-target-buffers)
(erc-networks--server-select):
* lisp/erc/erc-nicks.el (erc-nicks-invert)
(erc-nicks--redirect-face-widget-link, erc-nicks--highlight)
(erc-nicks--highlight-button)
(erc-nicks--list-faces-help-button-action, erc-nicks-list-faces)
(erc-nicks-refresh, erc-nicks--colors-from-faces)
(erc-nicks--track-prioritize)
(erc-nicks--remember-face-for-track):
* lisp/erc/erc-notify.el (querypoll, erc--querypoll-get-next)
(erc--querypoll-on-352, erc--querypoll-send):
* lisp/erc/erc-sasl.el (erc-sasl--read-password):
* lisp/erc/erc-services.el
(erc-services-issue-ghost-and-retry-nick):
* lisp/erc/erc-speedbar.el (erc-speedbar--ensure, nickbar)
(erc-speedbar-toggle-nicknames-window-lock)
(erc-speedbar--compose-nicks-face):
* lisp/erc/erc-stamp.el (erc-stamp--recover-on-reconnect)
(erc-stamp-prefix-log-filter, erc--conceal-prompt)
(erc--insert-timestamp-left, erc-insert-timestamp-right)
(erc-stamp--defer-date-insertion-on-post-modify)
(erc-insert-timestamp-left-and-right)
(erc-stamp--redo-right-stamp-post-clear)
(erc-stamp--reset-on-clear, erc-stamp--dedupe-date-stamps):
* lisp/erc/erc-status-sidebar.el (bufbar)
(erc-status-sidebar-prefer-target-as-name)
(erc-status-sidebar-default-allsort, erc-status-sidebar-click):
* lisp/erc/erc-track.el (erc-track--shortened-names-get)
(erc-track--setup, erc-track--select-mode-line-face)
(erc-track-modified-channels, erc-track--collect-faces-in)
(erc-track--switch-buffer, erc-track--replace-killed-buffer):
* lisp/erc/erc-truncate.el (erc-truncate--setup)
(erc-truncate-buffer):
* lisp/erc/erc.el (erc--ensure-query-member)
(erc--ensure-query-members, erc--remove-channel-users-but)
(erc--cusr-change-status, erc--find-mode, erc--update-modules)
(erc-log-irc-protocol, erc--refresh-prompt)
(erc--restore-important-text-props)
(erc--order-text-properties-from-hash, erc-send-input-line)
(erc-cmd-IGNORE, erc--unignore-user, erc-cmd-QUERY)
(erc-cmd-BANLIST, erc--speakerize-nick)
(erc--format-speaker-input-message, erc-channel-receive-names)
(erc-send-current-line, erc-format-target-and/or-network)
(erc-kill-buffer-function, erc-restore-text-properties)
(erc--get-eq-comparable-cmd):
* lisp/eshell/em-alias.el (eshell-maybe-replace-by-alias--which)
(eshell-maybe-replace-by-alias):
* lisp/eshell/em-glob.el (eshell-glob-convert):
* lisp/eshell/em-pred.el (eshell-pred-user-or-group)
(eshell-pred-file-time, eshell-pred-file-type)
(eshell-pred-file-mode, eshell-pred-file-links)
(eshell-pred-file-size):
* lisp/eshell/em-prompt.el (eshell-forward-paragraph)
(eshell-next-prompt):
* lisp/eshell/esh-arg.el (eshell-resolve-current-argument):
* lisp/eshell/esh-cmd.el (eshell-do-eval, eshell/which)
(eshell-plain-command--which, eshell-plain-command):
* lisp/eshell/esh-io.el (eshell-duplicate-handles)
(eshell-protect-handles, eshell-get-target, eshell-close-target):
* lisp/eshell/esh-proc.el (eshell-sentinel):
* lisp/eshell/esh-var.el (eshell-parse-variable-ref)
(eshell-get-variable, eshell-set-variable):
* lisp/faces.el (face-at-point):
* lisp/ffap.el (ffap-in-project):
* lisp/filenotify.el (file-notify--rm-descriptor):
* lisp/files-x.el (read-dir-locals-file)
(connection-local-update-profile-variables)
(connection-local-value):
* lisp/files.el (file-remote-p, abbreviate-file-name)
(set-auto-mode, hack-local-variables)
(revert-buffer-restore-read-only):
* lisp/find-dired.el (find-dired-sort-by-filename):
* lisp/font-lock.el (font-lock--filter-keywords):
* lisp/gnus/gnus-art.el (article-emojize-symbols):
* lisp/gnus/gnus-int.el (gnus-close-server):
* lisp/gnus/gnus-search.el (gnus-search-transform)
(gnus-search-indexed-parse-output, gnus-search-server-to-engine):
* lisp/gnus/gnus-sum.el (gnus-collect-urls, gnus-shorten-url):
* lisp/gnus/gnus.el (gnus-check-backend-function):
* lisp/gnus/message.el (message-send-mail):
* lisp/gnus/mml.el (mml-generate-mime, mml-insert-mime-headers):
* lisp/gnus/nnatom.el (nnatom--read-feed, nnatom--read-article)
(nnatom--read-article-or-group-authors, nnatom--read-publish)
(nnatom--read-update, nnatom--read-links):
* lisp/gnus/nnfeed.el (nnfeed--read-server, nnfeed--write-server)
(nnfeed--parse-feed, nnfeed--group-data, nnfeed-retrieve-article)
(nnfeed-retrieve-headers, nnfeed--print-part)
(nnfeed-request-article, nnfeed-request-group)
(nnfeed-request-list, nnfeed--group-description)
(nnfeed-request-group-description)
(nnfeed-request-list-newsgroups, nnfeed-request-rename-group):
* lisp/gnus/nnmh.el (nnmh-update-gnus-unreads):
* lisp/help-fns.el (help-find-source)
(help-fns--insert-menu-bindings, help-fns--mention-first-release)
(help-fns--mention-shortdoc-groups)
(help-fns--customize-variable-version)
(help-fns--face-custom-version-info, describe-mode):
* lisp/help-mode.el (help-make-xrefs):
* lisp/help.el (help-key-description, help--describe-command):
* lisp/hfy-cmap.el (htmlfontify-load-rgb-file):
* lisp/ibuf-ext.el (ibuffer-jump-to-filter-group)
(ibuffer-kill-filter-group, ibuffer-kill-line)
(ibuffer-save-filter-groups, ibuffer-save-filters, filename)
(basename, file-extension, ibuffer-diff-buffer-with-file-1)
(ibuffer-mark-by-file-name-regexp)
(ibuffer-mark-by-content-regexp):
* lisp/ibuf-macs.el (ibuffer-aif, ibuffer-awhen):
* lisp/ibuffer.el (ibuffer-mouse-toggle-mark)
(ibuffer-toggle-marks, ibuffer-mark-interactive)
(ibuffer-compile-format, process, ibuffer-map-lines):
* lisp/image.el (image--compute-map)
(image--compute-original-map):
* lisp/image/exif.el (exif-parse-buffer):
* lisp/image/image-converter.el (image-convert-p, image-convert)
(image-converter--find-converter):
* lisp/image/image-dired-util.el
(image-dired-file-name-at-point):
* lisp/image/image-dired.el (image-dired-track-original-file)
(image-dired--on-file-in-dired-buffer)
(image-dired--with-thumbnail-buffer)
(image-dired-jump-original-dired-buffer)
(image-dired--slideshow-step, image-dired-display-image):
* lisp/image/wallpaper.el (wallpaper--init-action-kill)
(wallpaper--find-setter, wallpaper--find-command)
(wallpaper--find-command-args, wallpaper--x-monitor-name):
* lisp/info-look.el (info-lookup-interactive-arguments)
(info-complete)::(:mode):
* lisp/info.el (info-pop-to-buffer, Info-read-node-name-1):
* lisp/international/emoji.el (emoji--adjust-displayable-1)
(emoji--add-recent):
* lisp/jsonrpc.el (jsonrpc--call-deferred)
(jsonrpc--process-sentinel, jsonrpc--remove):
* lisp/keymap.el (keymap-local-lookup):
* lisp/mail/emacsbug.el (report-emacs-bug-hook)
(submit-emacs-patch):
* lisp/mail/ietf-drums.el (ietf-drums-parse-addresses):
* lisp/mail/mailclient.el (mailclient-send-it):
* lisp/mail/rfc6068.el (rfc6068-parse-mailto-url):
* lisp/mail/undigest.el (rmail-digest-parse-mixed-mime):
* lisp/minibuffer.el (completion-metadata-get)
(completions--after-change)
(minibuffer-visible-completions--filter):
* lisp/net/browse-url.el (browse-url-url-at-point)
(browse-url-file-url, browse-url-emacs):
* lisp/net/dbus.el (dbus-byte-array-to-string)
(dbus-monitor-goto-serial):
* lisp/net/dictionary.el (dictionary-search):
* lisp/net/eww.el (eww--download-directory)
(eww-auto-rename-buffer, eww-open-in-new-buffer, eww-submit)
(eww-follow-link, eww-read-alternate-url)
(eww-copy-alternate-url):
* lisp/net/goto-addr.el (goto-address-at-point):
* lisp/net/mailcap.el (mailcap-mime-info):
* lisp/net/rcirc.el (rcirc, rcirc-connect, rcirc-send-string)
(rcirc-kill-buffer-hook, rcirc-print, rcirc-when)
(rcirc-color-attributes, rcirc-handler-NICK)
(rcirc-handler-TAGMSG, rcirc-handler-BATCH):
* lisp/net/shr.el (shr-descend, shr-adaptive-fill-function)
(shr-correct-dom-case, shr-tag-a):
* lisp/net/sieve.el (sieve-manage-quit):
* lisp/outline.el (outline-cycle-buffer):
* lisp/pcmpl-git.el (pcmpl-git--tracked-file-predicate):
* lisp/proced.el (proced-auto-update-timer):
* lisp/progmodes/bug-reference.el
(bug-reference-try-setup-from-vc):
* lisp/progmodes/c-ts-common.el (c-ts-common--fill-paragraph):
* lisp/progmodes/c-ts-mode.el (c-ts-mode--preproc-offset)
(c-ts-mode--anchor-prev-sibling, c-ts-mode-indent-defun):
* lisp/progmodes/compile.el (compilation-error-properties)
(compilation-find-file-1):
* lisp/progmodes/eglot.el (eglot--check-object)
(eglot--read-server, eglot-upgrade-eglot)
(eglot-handle-notification, eglot--CompletionParams)
(eglot-completion-at-point, eglot--sig-info)
(eglot-register-capability):
* lisp/progmodes/elisp-mode.el
(emacs-lisp-native-compile-and-load)
(elisp-eldoc-var-docstring-with-value):
* lisp/progmodes/erts-mode.el (erts-mode--goto-start-of-test):
* lisp/progmodes/flymake.el (flymake--update-eol-overlays)
(flymake-eldoc-function):
* lisp/progmodes/gdb-mi.el (gdb-breakpoints-list-handler-custom)
(gdb-frame-handler):
* lisp/progmodes/go-ts-mode.el (go-ts-mode-docstring)
(go-ts-mode--comment-on-previous-line-p)
(go-ts-mode--get-test-regexp-at-point)
(go-ts-mode-test-this-file):
* lisp/progmodes/grep.el (lgrep, rgrep-default-command)
(grep-file-at-point):
* lisp/progmodes/perl-mode.el (perl--end-of-format-p):
* lisp/progmodes/php-ts-mode.el
(php-ts-mode--anchor-prev-sibling, php-ts-mode--indent-defun):
* lisp/progmodes/project.el (project--other-place-command)
(project--find-default-from, project--transplant-file-name)
(project-prefixed-buffer-name, project--remove-from-project-list)
(project-prompt-project-name, project-remember-projects-under)
(project--switch-project-command)
(project-uniquify-dirname-transform, project-mode-line-format):
* lisp/progmodes/python.el
(python-font-lock-keywords-maximum-decoration)
(python--treesit-fontify-union-types)
(python-shell-get-process-name, python-shell-restart)
(python-shell-completion-at-point, python-ffap-module-path)
(python-util-comint-end-of-output-p, python--import-sources)
(python-add-import, python-remove-import, python-fix-imports):
* lisp/progmodes/xref.el (xref--add-log-current-defun):
* lisp/repeat.el (repeat-echo-message-string):
* lisp/saveplace.el (save-place-dired-hook):
* lisp/server.el (server-save-buffers-kill-terminal):
* lisp/shadowfile.el (shadow-make-fullname)
(shadow-contract-file-name, shadow-define-literal-group):
* lisp/shell.el (shell-highlight-undef-mode):
* lisp/simple.el (command-completion-using-modes-p)
(command-execute, file-user-uid, file-group-gid)
(first-completion, last-completion, switch-to-completions):
* lisp/startup.el (startup--load-user-init-file):
* lisp/tab-line.el (tab-line-tabs-buffer-group-by-project):
* lisp/tar-mode.el (tar-goto-file, tar-next-file-displayer):
* lisp/term/android-win.el (android-encode-select-string)
(gui-backend-set-selection):
* lisp/term/haiku-win.el (haiku-dnd-convert-string)
(haiku-select-encode-xstring, haiku-select-encode-utf-8-string):
* lisp/textmodes/emacs-news-mode.el (emacs-news--buttonize):
* lisp/textmodes/ispell.el (ispell-completion-at-point):
* lisp/textmodes/sgml-mode.el (sgml-validate)
(html-mode--complete-at-point):
* lisp/textmodes/tex-mode.el (tex-recenter-output-buffer)
(xref-backend-references):
* lisp/thingatpt.el (thing-at-point-file-at-point)
(thing-at-point-face-at-point):
* lisp/thread.el (thread-list--get-status):
* lisp/time.el (world-clock-copy-time-as-kill, world-clock):
* lisp/touch-screen.el (touch-screen-handle-touch):
* lisp/treesit.el (treesit-language-at, treesit-node-at)
(treesit-node-on, treesit-buffer-root-node)
(treesit-node-field-name, treesit-local-parsers-at)
(treesit-local-parsers-on, treesit--cleanup-local-range-overlays)
(treesit-font-lock-recompute-features)
(treesit-font-lock-fontify-region, treesit-transpose-sexps)
(treesit-add-log-current-defun, treesit-major-mode-setup)
(treesit--explorer-refresh, treesit-install-language-grammar):
* lisp/url/url.el (url-retrieve-synchronously):
* lisp/vc/smerge-mode.el (smerge-diff):
* lisp/vc/vc-dir.el (vc-dir):
* lisp/vc/vc-dispatcher.el (vc-do-async-command):
* lisp/vc/vc-git.el (vc-git-dir--branch-headers)
(vc-git-dir--stash-headers, vc-git--log-edit-summary-check)
(vc-git-stash-list):
* lisp/vc/vc.el (vc-responsible-backend, vc-buffer-sync-fileset)
(vc-clone):
* lisp/visual-wrap.el (visual-wrap--apply-to-line):
* lisp/wid-edit.el (widget-text)
(widget-editable-list-insert-before):
* lisp/window-tool-bar.el
(window-tool-bar--keymap-entry-to-string):
* lisp/window.el (display-buffer, display-buffer-full-frame)
(window-point-context-set, window-point-context-use)
(window-point-context-use-default-function):
* lisp/xdg.el (xdg-current-desktop):
* lisp/xwidget.el (xwidget-webkit-callback):
* lisp/yank-media.el (yank-media--get-selection)
(yank-media-types):
* test/lisp/comint-tests.el
(comint-tests/test-password-function):
* test/lisp/completion-preview-tests.el
(completion-preview-tests--capf):
* test/lisp/cus-edit-tests.el (with-cus-edit-test):
* test/lisp/erc/erc-scenarios-base-local-modules.el
(-phony-sblm-):
* test/lisp/erc/erc-scenarios-stamp.el
(erc-scenarios-stamp--on-post-modify):
* test/lisp/erc/erc-services-tests.el
(erc-services-tests--asp-parse-entry):
* test/lisp/erc/erc-tests.el (erc-modules--internal-property)
(erc--find-mode, erc-tests--update-modules):
* test/lisp/erc/resources/erc-d/erc-d-i.el
(erc-d-i--parse-message):
* test/lisp/erc/resources/erc-d/erc-d-t.el
(erc-d-t-kill-related-buffers, erc-d-t-with-cleanup):
* test/lisp/erc/resources/erc-d/erc-d-tests.el
(erc-d-i--parse-message--irc-parser-tests):
* test/lisp/erc/resources/erc-d/erc-d-u.el
(erc-d-u--read-exchange-slowly):
* test/lisp/erc/resources/erc-d/erc-d.el (erc-d--expire)
(erc-d--finalize-done, erc-d--command-handle-all):
* test/lisp/erc/resources/erc-scenarios-common.el
(erc-scenarios-common-with-cleanup):
* test/lisp/erc/resources/erc-tests-common.el
(erc-tests--common-display-message)
(erc-tests-common-create-subprocess):
* test/lisp/ibuffer-tests.el (ibuffer-test-Bug25058):
* test/lisp/international/mule-tests.el
(mule-cmds-tests--ucs-names-missing-names):
* test/lisp/progmodes/python-tests.el
(python-tests-get-shell-interpreter)
(python-tests--get-interpreter-info):
* test/lisp/progmodes/ruby-ts-mode-tests.el
(ruby-ts-resource-file):
* test/lisp/replace-tests.el (replace-tests-with-undo):
* test/src/emacs-tests.el (emacs-tests--seccomp-debug):
* test/src/process-tests.el (process-tests--emacs-command)
(process-tests--emacs-binary, process-tests--dump-file):
* test/src/treesit-tests.el (treesit--ert-test-defun-navigation):
Replace use of the now-obsolete if-let and when-let.
2024-10-24 16:50:07 +08:00

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;;; gnus-int.el --- backend interface functions for Gnus -*- lexical-binding: t; -*-
;; Copyright (C) 1996-2024 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'gnus)
(require 'message)
(require 'gnus-range)
(autoload 'gnus-run-hook-with-args "gnus-util")
(autoload 'gnus-agent-expire "gnus-agent")
(autoload 'gnus-agent-regenerate-group "gnus-agent")
(autoload 'gnus-agent-read-servers-validate-native "gnus-agent")
(autoload 'gnus-agent-possibly-synchronize-flags-server "gnus-agent")
(defcustom gnus-open-server-hook nil
"Hook called just before opening connection to the news server."
:group 'gnus-start
:type 'hook)
(defcustom gnus-after-set-mark-hook nil
"Hook called just after marks are set in a group."
:version "24.1"
:group 'gnus-start
:type 'hook)
(defcustom gnus-before-update-mark-hook nil
"Hook called just before marks are updated in a group."
:version "24.1"
:group 'gnus-start
:type 'hook)
(defcustom gnus-server-unopen-status nil
"The default status if the server is not able to open.
If the server is covered by Gnus agent, the possible values are
`denied', set the server denied; `offline', set the server offline;
nil, ask user. If the server is not covered by Gnus agent, set the
server denied."
:version "22.1"
:group 'gnus-start
:type '(choice (const :tag "Ask" nil)
(const :tag "Deny server" denied)
(const :tag "Unplug Agent" offline)))
;; Note: When this option is finally removed, also remove the entire
;; `gnus-start-news-server' function.
(defcustom gnus-nntp-server nil
"The name of the host running the NNTP server."
:group 'gnus-server
:type '(choice (const :tag "disable" nil)
string))
(make-obsolete-variable 'gnus-nntp-server 'gnus-select-method "24.1")
(defvar gnus-internal-registry-spool-current-method nil
"The current method, for the registry.")
(defun gnus-server-opened (command-method)
"Check whether a connection to COMMAND-METHOD has been opened."
(unless (eq (gnus-server-status command-method)
'denied)
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (inline (gnus-get-function gnus-command-method 'server-opened))
(nth 1 gnus-command-method)))))
(defun gnus-status-message (command-method)
"Return the status message from COMMAND-METHOD.
If COMMAND-METHOD is a string, it is interpreted as a group name.
The method this group uses will be queried."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-find-method-for-group command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'status-message)
(nth 1 gnus-command-method))))
;;;
;;; Server Communication
;;;
(defun gnus-start-news-server (&optional confirm)
"Open a method for getting news.
If CONFIRM is non-nil, the user will be asked for an NNTP server."
(let (how)
(if gnus-current-select-method
;; Stream is already opened.
nil
;; Open NNTP server.
(when confirm
;; Read server name with completion.
(setq gnus-nntp-server
(gnus-completing-read "NNTP server"
nil nil gnus-nntp-server)))
(when (and gnus-nntp-server
(stringp gnus-nntp-server)
(not (string= gnus-nntp-server "")))
(setq gnus-select-method
(cond ((or (string= gnus-nntp-server "")
(string= gnus-nntp-server "::"))
(list 'nnspool (system-name)))
((string-match "^:" gnus-nntp-server)
(list 'nnmh gnus-nntp-server
(list 'nnmh-directory
(file-name-as-directory
(expand-file-name
(substring gnus-nntp-server 1) "~/")))
(list 'nnmh-get-new-mail nil)))
(t
(list 'nntp gnus-nntp-server)))))
(setq how (car gnus-select-method))
(cond
((eq how 'nnspool)
(require 'nnspool)
(gnus-message 5 "Looking up local news spool..."))
((eq how 'nnmh)
(require 'nnmh)
(gnus-message 5 "Looking up mh spool..."))
(t
(require 'nntp)))
(setq gnus-current-select-method gnus-select-method)
(gnus-run-hooks 'gnus-open-server-hook)
;; Partially validate agent covered methods now that the
;; gnus-select-method is known.
(if gnus-agent
;; NOTE: This is here for one purpose only. By validating
;; the current select method, it converts the old 5.10.3,
;; and earlier, format to the current format. That enables
;; the agent code within gnus-open-server to function
;; correctly.
(gnus-agent-read-servers-validate-native gnus-select-method))
(or
;; gnus-open-server-hook might have opened it
(gnus-server-opened gnus-select-method)
(gnus-open-server gnus-select-method)
gnus-batch-mode
(gnus-y-or-n-p
(format-message
"%s (%s) open error: `%s'. Continue? "
(car gnus-select-method) (cadr gnus-select-method)
(gnus-status-message gnus-select-method)))
(gnus-error 1 "Couldn't open server on %s"
(nth 1 gnus-select-method))))))
(defun gnus-check-group (group)
"Try to make sure that the server where GROUP exists is alive."
(let ((method (gnus-find-method-for-group group)))
(or (gnus-server-opened method)
(gnus-open-server method))))
(defun gnus-check-server (&optional method silent)
"Check whether the connection to METHOD is down.
If METHOD is nil, use `gnus-select-method'.
If it is down, start it up (again)."
(let ((method (or method gnus-select-method))
result)
;; Transform virtual server names into select methods.
(when (stringp method)
(setq method (gnus-server-to-method method)))
(if (gnus-server-opened method)
;; The stream is already opened.
t
;; Open the server.
(unless silent
(gnus-message 5 "Opening %s server%s..." (car method)
(if (equal (nth 1 method) "") ""
(format " on %s" (nth 1 method)))))
(gnus-run-hooks 'gnus-open-server-hook)
(prog1
(setq result (gnus-open-server method))
(unless silent
(gnus-message
(if result 5 3)
"Opening %s server%s...%s" (car method)
(if (equal (nth 1 method) "") ""
(format " on %s" (nth 1 method)))
(if result
"done"
(format "failed: %s"
(nnheader-get-report-string (car method))))))))))
(defun gnus-get-function (method function &optional noerror)
"Return a function symbol based on METHOD and FUNCTION."
;; Translate server names into methods.
(unless method
(error "Attempted use of a nil select method"))
(when (stringp method)
(setq method (gnus-server-to-method method)))
;; Check cache of constructed names.
(let* ((method-sym (if gnus-agent
(inline (gnus-agent-get-function method))
(car method)))
(method-fns (get method-sym 'gnus-method-functions))
(func (let ((method-fnlist-elt (assq function method-fns)))
(unless method-fnlist-elt
(setq method-fnlist-elt
(cons function
(intern (format "%s-%s" method-sym function))))
(put method-sym 'gnus-method-functions
(cons method-fnlist-elt method-fns)))
(cdr method-fnlist-elt))))
;; Maybe complain if there is no function.
(unless (fboundp func)
(unless (car method)
(error "Trying to require a method that doesn't exist"))
(require (car method))
(when (not (fboundp func))
(if noerror
(setq func nil)
(error "No such function: %s" func))))
func))
;;;
;;; Interface functions to the backends.
;;;
(defun gnus-method-denied-p (method)
(eq (nth 1 (assoc method gnus-opened-servers))
'denied))
(defvar gnus-backend-trace nil)
(defvar gnus-backend-trace-elapsed nil)
(defun gnus-backend-trace (type form)
(when gnus-backend-trace
(with-current-buffer (gnus-get-buffer-create "*gnus trace*")
(buffer-disable-undo)
(goto-char (point-max))
(insert (format-time-string "%H:%M:%S")
(format " %.2fs %s %S\n"
(if (numberp gnus-backend-trace-elapsed)
(float-time
(time-since gnus-backend-trace-elapsed))
0)
type form))
(setq gnus-backend-trace-elapsed (float-time)))))
(defun gnus-open-server (command-method)
"Open a connection to COMMAND-METHOD."
(gnus-backend-trace :opening gnus-command-method)
(let* ((gnus-command-method (if (stringp command-method)
(gnus-server-to-method command-method)
command-method))
(elem (assoc gnus-command-method gnus-opened-servers))
(server (gnus-method-to-server-name gnus-command-method)))
;; If this method was previously denied, we just return nil.
(if (eq (nth 1 elem) 'denied)
(progn
(gnus-message
1 "Server %s previously determined to be down; not retrying" server)
nil)
;; Open the server.
(let* ((open-server-function
(gnus-get-function gnus-command-method 'open-server))
(result
(condition-case err
(funcall open-server-function
(nth 1 gnus-command-method)
(nthcdr 2 gnus-command-method))
(error
(gnus-message 1 "Unable to open server %s due to: %s"
server (error-message-string err))
nil)
(quit
(if debug-on-quit
(debug "Quit")
(gnus-message 1 "Quit trying to open server %s" server))
nil)))
open-offline)
;; If this hasn't been opened before, we add it to the list.
(unless elem
(setq elem (list gnus-command-method nil)
gnus-opened-servers (cons elem gnus-opened-servers)))
;; Set the status of this server.
(setcar
(cdr elem)
(cond (result
(if (eq open-server-function 'nnagent-open-server)
;; The agent's backend has a "special" status
'offline
'ok))
((and gnus-agent
(gnus-agent-method-p gnus-command-method))
(cond
(gnus-server-unopen-status
;; Set the server's status to the unopen
;; status. If that status is offline,
;; recurse to open the agent's backend.
(setq open-offline (eq gnus-server-unopen-status 'offline))
gnus-server-unopen-status)
((not gnus-batch-mode)
(setq open-offline t)
'offline)
(t
;; This agentized server was still denied
'denied)))
(t
;; This unagentized server must be denied
'denied)))
;; NOTE: I MUST set the server's status to offline before this
;; recursive call as this status will drive the
;; gnus-get-function (called above) to return the agent's
;; backend.
(if open-offline
;; Recursively open this offline server to perform the
;; open-server function of the agent's backend.
(let ((gnus-server-unopen-status 'denied))
;; Bind gnus-server-unopen-status to avoid recursively
;; prompting with "go offline?". This is only a concern
;; when the agent's backend fails to open the server.
(gnus-open-server gnus-command-method))
(when (and (eq (cadr elem) 'ok) gnus-agent
(gnus-agent-method-p gnus-command-method))
(save-excursion
(gnus-agent-possibly-synchronize-flags-server
gnus-command-method)))
(gnus-backend-trace :opened gnus-command-method)
result)))))
(defun gnus-close-server (command-method)
"Close the connection to COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(prog1
(funcall (gnus-get-function gnus-command-method 'close-server)
(nth 1 gnus-command-method)
(nthcdr 2 gnus-command-method))
(when-let* ((elem (assoc gnus-command-method gnus-opened-servers)))
(setf (nth 1 elem) 'closed)))))
(defun gnus-request-list (command-method)
"Request the active file from COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'request-list)
(nth 1 gnus-command-method))))
(defun gnus-server-get-active (server &optional ignored)
"Return the active list for SERVER.
Groups matching the IGNORED regexp are excluded."
(let ((method (gnus-server-to-method server))
groups)
(gnus-request-list method)
(with-current-buffer nntp-server-buffer
(let ((cur (current-buffer)))
(goto-char (point-min))
(unless (or (null ignored)
(string= ignored ""))
(delete-matching-lines ignored))
(if (eq (car method) 'nntp)
(while (not (eobp))
(ignore-errors
(push (gnus-group-full-name
(buffer-substring
(point)
(progn
(skip-chars-forward "^ \t")
(point)))
method)
groups))
(forward-line))
(while (not (eobp))
(ignore-errors
(push (if (eq (char-after) ?\")
(gnus-group-full-name (read cur) method)
(let ((p (point)) (name ""))
(skip-chars-forward "^ \t\\\\")
(setq name (buffer-substring p (point)))
(while (eq (char-after) ?\\)
(setq p (1+ (point)))
(forward-char 2)
(skip-chars-forward "^ \t\\\\")
(setq name (concat name (buffer-substring
p (point)))))
(gnus-group-full-name name method)))
groups))
(forward-line)))))
groups))
(defun gnus-finish-retrieve-group-infos (command-method infos data)
"Read and update infos from COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(gnus-backend-trace :finishing gnus-command-method)
(prog1
(funcall (gnus-get-function gnus-command-method
'finish-retrieve-group-infos)
(nth 1 gnus-command-method)
infos data)
(gnus-backend-trace :finished gnus-command-method))))
(defun gnus-retrieve-group-data-early (command-method infos)
"Start early async retrieval of data from COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'retrieve-group-data-early)
(nth 1 gnus-command-method)
infos)))
(defun gnus-request-list-newsgroups (command-method)
"Request the newsgroups file from COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'request-list-newsgroups)
(nth 1 gnus-command-method))))
(defun gnus-request-newgroups (date command-method)
"Request all new groups since DATE from COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(let ((func (gnus-get-function gnus-command-method 'request-newgroups t)))
(when func
(funcall func date (nth 1 gnus-command-method))))))
(defun gnus-request-regenerate (command-method)
"Request a data generation from COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'request-regenerate)
(nth 1 gnus-command-method))))
(defun gnus-request-compact-group (group)
(let* ((method (gnus-find-method-for-group group))
(gnus-command-method method)
(result
(funcall (gnus-get-function gnus-command-method
'request-compact-group)
(gnus-group-real-name group)
(nth 1 gnus-command-method) t)))
result))
(defun gnus-request-compact (command-method)
"Request groups compaction from COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'request-compact)
(nth 1 gnus-command-method))))
(defun gnus-request-group (group &optional dont-check command-method info)
"Request GROUP. If DONT-CHECK, no information is required."
(let ((gnus-command-method
(or command-method (inline (gnus-find-method-for-group group)))))
(when (stringp gnus-command-method)
(setq gnus-command-method
(inline (gnus-server-to-method gnus-command-method))))
(funcall (inline (gnus-get-function gnus-command-method 'request-group))
(gnus-group-real-name group) (nth 1 gnus-command-method)
dont-check
info)))
(defun gnus-request-group-description (group)
"Request a description of GROUP."
(let ((gnus-command-method (gnus-find-method-for-group group))
(func 'request-group-description))
(when (gnus-check-backend-function func group)
(funcall (gnus-get-function gnus-command-method func)
(gnus-group-real-name group) (nth 1 gnus-command-method)))))
(defun gnus-request-group-scan (group info)
"Request that GROUP get a complete rescan."
(let ((gnus-command-method (gnus-find-method-for-group group))
(func 'request-group-scan))
(when (gnus-check-backend-function func group)
(funcall (gnus-get-function gnus-command-method func)
(gnus-group-real-name group) (nth 1 gnus-command-method) info))))
(defun gnus-close-group (group)
"Request the GROUP be closed."
(let ((gnus-command-method (inline (gnus-find-method-for-group group))))
(funcall (gnus-get-function gnus-command-method 'close-group)
(gnus-group-real-name group) (nth 1 gnus-command-method))))
(defun gnus-retrieve-headers (articles group &optional fetch-old)
"Request headers for ARTICLES in GROUP.
If FETCH-OLD, retrieve all headers (or some subset thereof) in the group."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(cond
((and gnus-use-cache (numberp (car articles)))
(gnus-cache-retrieve-headers articles group fetch-old))
((and gnus-agent (gnus-online gnus-command-method)
(gnus-agent-method-p gnus-command-method))
(gnus-agent-retrieve-headers articles group fetch-old))
(t
(funcall (gnus-get-function gnus-command-method 'retrieve-headers)
articles (gnus-group-real-name group)
(nth 1 gnus-command-method) fetch-old)))))
(defun gnus-retrieve-articles (articles group)
"Request ARTICLES in GROUP."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(funcall (gnus-get-function gnus-command-method 'retrieve-articles)
articles (gnus-group-real-name group)
(nth 1 gnus-command-method))))
(defun gnus-retrieve-groups (groups command-method)
"Request active information on GROUPS from COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'retrieve-groups)
groups (nth 1 gnus-command-method))))
(defun gnus-request-type (group &optional article)
"Return the type (`post' or `mail') of GROUP (and ARTICLE)."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(if (not (gnus-check-backend-function
'request-type (car gnus-command-method)))
'unknown
(funcall (gnus-get-function gnus-command-method 'request-type)
(gnus-group-real-name group) article))))
(defun gnus-request-update-group-status (group status)
"Change the status of a group.
Valid statuses include `subscribe' and `unsubscribe'."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(if (not (gnus-check-backend-function
'request-update-group-status (car gnus-command-method)))
nil
(funcall
(gnus-get-function gnus-command-method 'request-update-group-status)
(gnus-group-real-name group) status
(nth 1 gnus-command-method)))))
(defun gnus-request-set-mark (group action)
"Set marks on articles in the back end."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(if (not (gnus-check-backend-function
'request-set-mark (car gnus-command-method)))
action
(funcall (gnus-get-function gnus-command-method 'request-set-mark)
(gnus-group-real-name group) action
(nth 1 gnus-command-method))
(gnus-run-hook-with-args gnus-after-set-mark-hook group action))))
(defun gnus-request-update-mark (group article mark)
"Allow the back end to change the mark the user tries to put on an article."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(if (not (gnus-check-backend-function
'request-update-mark (car gnus-command-method)))
mark
(gnus-run-hook-with-args gnus-before-update-mark-hook group article mark)
(funcall (gnus-get-function gnus-command-method 'request-update-mark)
(gnus-group-real-name group) article mark))))
(defun gnus-request-article (article group &optional buffer)
"Request the ARTICLE in GROUP.
ARTICLE can either be an article number or an article Message-ID.
If BUFFER, insert the article in that group."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(funcall (gnus-get-function gnus-command-method 'request-article)
article (gnus-group-real-name group)
(nth 1 gnus-command-method) buffer)))
(defun gnus-request-thread (header group)
"Request the headers in the thread containing the article specified by HEADER."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(funcall (gnus-get-function gnus-command-method 'request-thread)
header
(gnus-group-real-name group))))
(defun gnus-select-group-with-message-id (group message-id)
"Activate and select GROUP with the given MESSAGE-ID selected.
Returns the article number of the message.
If GROUP is not already selected, the message will be the only one in
the group's summary."
;; TODO: is there a way to know at this point whether the group will
;; be newly-selected? If so we could clean up the logic at the end
;;
;; save the new group's display parameter, if any, so we
;; can replace it temporarily with zero.
(let ((saved-display
(gnus-group-get-parameter group 'display :allow-list)))
;; Tell gnus we really don't want any articles
(gnus-group-set-parameter group 'display 0)
(unwind-protect
(gnus-summary-read-group-1
group (not :show-all) :no-article (not :kill-buffer)
;; The combination of no-display and this dummy list of
;; articles to select somehow makes it possible to open a
;; group with no articles in it. Black magic.
:no-display '(-1); select-articles
)
;; Restore the new group's display parameter
(gnus-group-set-parameter group 'display saved-display)))
;; The summary buffer was suppressed by :no-display above.
;; Create it now and insert the message
(let ((group-is-new (gnus-summary-setup-buffer group)))
(condition-case err
(let ((article-number
(gnus-summary-insert-subject message-id)))
(unless article-number
(signal 'error "message-id not in group"))
(gnus-summary-select-article nil nil nil article-number)
article-number)
;; Clean up the new summary and propagate the error
(error (when group-is-new (gnus-summary-exit))
(apply #'signal err)))))
(defun gnus-simplify-group-name (group)
"Return the simplest representation of the name of GROUP.
This is the string that Gnus uses to identify the group."
(gnus-group-prefixed-name
(gnus-group-real-name group)
(gnus-group-method group)))
(defun gnus-warp-to-article ()
"Look up the current article in the group where it originated.
This command only makes sense for groups shows articles gathered
from other groups -- for instance, search results and the like."
(interactive nil gnus-summary-mode)
(let ((gnus-command-method
(gnus-find-method-for-group gnus-newsgroup-name)))
(or
(when (gnus-check-backend-function
'warp-to-article (car gnus-command-method))
(funcall (gnus-get-function gnus-command-method 'warp-to-article)))
(and (bound-and-true-p gnus-registry-enabled)
(gnus-try-warping-via-registry)))))
(defun gnus-request-head (article group)
"Request the head of ARTICLE in GROUP."
(let* ((gnus-command-method (gnus-find-method-for-group group))
(head (gnus-get-function gnus-command-method 'request-head t))
res clean-up)
(cond
;; Check the cache.
((and gnus-use-cache
(numberp article)
(gnus-cache-request-article article group))
(setq res (cons group article)
clean-up t))
;; Check the agent cache.
((gnus-agent-request-article article group)
(setq res (cons group article)
clean-up t))
;; Use `head' function.
((fboundp head)
(setq res (funcall head article
(and (not gnus-override-method) (gnus-group-real-name group))
(nth 1 gnus-command-method))))
;; Use `article' function.
(t
(setq res (gnus-request-article article group)
clean-up t)))
(when clean-up
(with-current-buffer nntp-server-buffer
(goto-char (point-min))
(when (search-forward "\n\n" nil t)
(delete-region (1- (point)) (point-max)))
(nnheader-fold-continuation-lines)))
res))
(defun gnus-request-body (article group)
"Request the body of ARTICLE in GROUP."
(let* ((gnus-command-method (gnus-find-method-for-group group))
(head (gnus-get-function gnus-command-method 'request-body t))
res clean-up)
(cond
;; Check the cache.
((and gnus-use-cache
(numberp article)
(gnus-cache-request-article article group))
(setq res (cons group article)
clean-up t))
;; Check the agent cache.
((gnus-agent-request-article article group)
(setq res (cons group article)
clean-up t))
;; Use `head' function.
((fboundp head)
(setq res (funcall head article (gnus-group-real-name group)
(nth 1 gnus-command-method))))
;; Use `article' function.
(t
(setq res (gnus-request-article article group)
clean-up t)))
(when clean-up
(with-current-buffer nntp-server-buffer
(goto-char (point-min))
(when (search-forward "\n\n" nil t)
(delete-region (point-min) (1- (point))))))
res))
(defun gnus-request-post (command-method)
"Post the current buffer using COMMAND-METHOD."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'request-post)
(nth 1 gnus-command-method))))
(defun gnus-request-expunge-group (group command-method)
"Expunge GROUP, which is removing articles that have been marked as deleted."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'request-expunge-group)
(gnus-group-real-name group)
(nth 1 gnus-command-method))))
(defvar mail-source-plugged)
(defvar gnus-inhibit-demon)
(defun gnus-request-scan (group command-method)
"Request a SCAN being performed in GROUP from COMMAND-METHOD.
If GROUP is nil, all groups on COMMAND-METHOD are scanned."
(let ((gnus-command-method
(if group (gnus-find-method-for-group group) command-method))
(gnus-inhibit-demon t)
(mail-source-plugged gnus-plugged))
(when (or gnus-plugged
(not (gnus-agent-method-p gnus-command-method)))
(setq gnus-internal-registry-spool-current-method gnus-command-method)
(funcall (gnus-get-function gnus-command-method 'request-scan)
(and group (gnus-group-real-name group))
(nth 1 gnus-command-method)))))
(defun gnus-request-update-info (info command-method)
(when (gnus-check-backend-function
'request-update-info (car command-method))
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(funcall (gnus-get-function gnus-command-method 'request-update-info)
(gnus-group-real-name (gnus-info-group info)) info
(nth 1 gnus-command-method)))))
(defsubst gnus-request-marks (info command-method)
"Request that COMMAND-METHOD update INFO."
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(when (gnus-check-backend-function
'request-marks (car gnus-command-method))
(let ((group (gnus-info-group info)))
(and (funcall (gnus-get-function gnus-command-method 'request-marks)
(gnus-group-real-name group)
info (nth 1 gnus-command-method))
;; If the minimum article number is greater than 1, then all
;; smaller article numbers are known not to exist; we'll
;; artificially add those to the 'read range.
(let* ((active (gnus-active group))
(min (car active)))
(when (> min 1)
(let* ((range (if (= min 2) 1 (cons 1 (1- min))))
(read (gnus-info-read info))
(new-read (range-concat read (list range))))
(setf (gnus-info-read info) new-read)))
info))))))
(defun gnus-request-expire-articles (articles group &optional force)
(let* ((gnus-command-method (gnus-find-method-for-group group))
;; Filter out any negative article numbers; they can't be
;; expired here.
(articles
(delq nil (mapcar (lambda (n) (and (>= n 0) n)) articles)))
(gnus-inhibit-demon t)
(not-deleted
(funcall
(gnus-get-function gnus-command-method 'request-expire-articles)
articles (gnus-group-real-name group) (nth 1 gnus-command-method)
force)))
(when (and gnus-agent
(gnus-agent-method-p gnus-command-method))
(let ((expired-articles (gnus-sorted-difference articles not-deleted)))
(when expired-articles
(gnus-agent-expire expired-articles group 'force))))
not-deleted))
(defun gnus-request-move-article (article group _server accept-function
&optional last move-is-internal)
(let* ((gnus-command-method (gnus-find-method-for-group group))
(result (funcall (gnus-get-function gnus-command-method
'request-move-article)
article (gnus-group-real-name group)
(nth 1 gnus-command-method) accept-function
last move-is-internal)))
(when (and result gnus-agent
(gnus-agent-method-p gnus-command-method))
(gnus-agent-unfetch-articles group (list article)))
result))
(defun gnus-request-accept-article (group &optional command-method last
no-encode)
(let ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method)))
(when (and (not gnus-command-method)
(stringp group))
(setq gnus-command-method (or (gnus-find-method-for-group group)
(gnus-group-name-to-method group))))
(goto-char (point-max))
;; Make sure there's a newline at the end of the article.
(unless (bolp)
(insert "\n"))
(unless no-encode
(let ((message-options message-options))
(message-options-set-recipient)
(save-restriction
(message-narrow-to-head)
(mail-encode-encoded-word-buffer))
(message-encode-message-body)))
(let ((gnus-command-method (or gnus-command-method
(gnus-find-method-for-group group)))
(result
(funcall
(gnus-get-function gnus-command-method 'request-accept-article)
(if (stringp group) (gnus-group-real-name group) group)
(cadr gnus-command-method)
last)))
(when (and gnus-agent
(gnus-agent-method-p gnus-command-method)
(cdr result))
(gnus-agent-regenerate-group group (list (cdr result))))
result)))
(defun gnus-request-replace-article (article group buffer &optional no-encode)
(unless no-encode
(let ((message-options message-options))
(message-options-set-recipient)
(save-restriction
(message-narrow-to-head)
(mail-encode-encoded-word-buffer))
(message-encode-message-body)))
(let* ((func (car (gnus-group-name-to-method group)))
(result (funcall (intern (format "%s-request-replace-article" func))
article (gnus-group-real-name group) buffer)))
(when (and gnus-agent (gnus-agent-method-p gnus-command-method))
(gnus-agent-regenerate-group group (list article)))
result))
(defun gnus-request-restore-buffer (article group)
"Request a new buffer restored to the state of ARTICLE."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(funcall (gnus-get-function gnus-command-method 'request-restore-buffer)
article (gnus-group-real-name group)
(nth 1 gnus-command-method))))
(defun gnus-request-create-group (group &optional command-method args)
(let* ((gnus-command-method
(or (if (stringp command-method)
(gnus-server-to-method command-method)
command-method)
(gnus-find-method-for-group group))))
(funcall (gnus-get-function gnus-command-method 'request-create-group)
(gnus-group-real-name group) (nth 1 gnus-command-method) args)))
(defun gnus-request-delete-group (group &optional force)
(let* ((gnus-command-method (gnus-find-method-for-group group))
(result
(funcall (gnus-get-function gnus-command-method 'request-delete-group)
(gnus-group-real-name group) force (nth 1 gnus-command-method))))
(when result
(gnus-cache-delete-group group)
(gnus-agent-delete-group group))
result))
(defun gnus-request-rename-group (group new-name)
(let* ((gnus-command-method (gnus-find-method-for-group group))
(result
(funcall (gnus-get-function gnus-command-method 'request-rename-group)
(gnus-group-real-name group)
(gnus-group-real-name new-name) (nth 1 gnus-command-method))))
(when result
(gnus-cache-rename-group group new-name)
(gnus-agent-rename-group group new-name))
result))
(defun gnus-close-backends ()
;; Send a close request to all backends that support such a request.
(let ((methods gnus-valid-select-methods)
(gnus-inhibit-demon t)
func gnus-command-method)
(while (setq gnus-command-method (pop methods))
(when (fboundp (setq func (intern
(concat (car gnus-command-method)
"-request-close"))))
(funcall func)))))
(defun gnus-asynchronous-p (command-method)
(let ((func (gnus-get-function command-method 'asynchronous-p t)))
(when (fboundp func)
(let ((gnus-command-method command-method))
(funcall func)))))
(defun gnus-remove-denial (command-method)
(let* ((gnus-command-method
(if (stringp command-method)
(gnus-server-to-method command-method)
command-method))
(elem (assoc gnus-command-method gnus-opened-servers))
(status (cadr elem)))
;; If this hasn't been opened before, we add it to the list.
(when (eq status 'denied)
;; Set the status of this server.
(setcar (cdr elem) 'closed))))
(provide 'gnus-int)
;;; gnus-int.el ends here
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