From: F. Jason Park Date: Sun, 31 Dec 2023 00:39:18 +0000 (-0800) Subject: Restore predicate for detecting date stamps in ERC X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=8513ecc8a38f76b497348bbae61ae4c5ac5a9995;p=emacs.git Restore predicate for detecting date stamps in ERC * etc/ERC-NEWS: Mention function `erc-stamp-inserting-date-stamp-p'. * lisp/erc/erc-stamp.el (erc-stamp-inserting-date-stamp-p): New function for third parties to detect whether the message being inserted is a date stamp. Date stamps as independent messages were originally introduced as part of bug#60936. --- diff --git a/etc/ERC-NEWS b/etc/ERC-NEWS index 6dc8af3c514..f19255f8d75 100644 --- a/etc/ERC-NEWS +++ b/etc/ERC-NEWS @@ -474,7 +474,9 @@ also not appreciate that 'erc-timestamp-last-inserted-left' no longer records the final trailing newline in 'erc-timestamp-format-left'. If these inconveniences prove too encumbering to deal with right away, see the escape hatch 'erc-stamp-prepend-date-stamps-p', which should -help ease the transition. +help ease the transition. As for detecting these new stamp-only +messages from members of 'erc-insert-modify-hook' and friends, see the +function 'erc-stamp-inserting-date-stamp-p'. *** The role of a module's Custom group is now more clearly defined. Associating built-in modules with Custom groups and "provided" library diff --git a/lisp/erc/erc-stamp.el b/lisp/erc/erc-stamp.el index a65b564ba6c..cfd756ce625 100644 --- a/lisp/erc/erc-stamp.el +++ b/lisp/erc/erc-stamp.el @@ -678,6 +678,13 @@ value of t means the option's value doesn't require trimming.") 0 erc-stamp--date-format-end) erc-timestamp-format-left)))) +(defun erc-stamp-inserting-date-stamp-p () + "Return non-nil if the narrowed buffer contains a date stamp. +Expect to be called by members of `erc-insert-modify-hook' and +`erc-insert-post-hook' to detect whether the message being +inserted is a date stamp." + (erc--check-msg-prop 'erc--msg 'datestamp)) + ;; Calling `erc-display-message' from within a hook it's currently ;; running is roundabout, but it's a definite means of ensuring hooks ;; can act on the date stamp as a standalone message to do things like