From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Kost Subject: Timestamps in ...-autoloads.el files Date: Tue, 20 Oct 2015 20:40:42 +0300 Message-ID: <87si55h205.fsf@gmail.com> References: <87zize1mmq.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:56623) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zoatx-0001t0-1o for guix-devel@gnu.org; Tue, 20 Oct 2015 13:40:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zoatr-0001Be-VC for guix-devel@gnu.org; Tue, 20 Oct 2015 13:40:44 -0400 In-Reply-To: <87zize1mmq.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Tue, 20 Oct 2015 01:09:33 +0200") List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org To: Ludovic =?utf-8?Q?Court=C3=A8s?= Cc: guix-devel --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Ludovic Court=C3=A8s (2015-10-20 02:09 +0300) wrote: > If we diff as explained in the doc below, we see that the Git > discrepancies are due to timestamp in Perl=E2=80=99s POD files as well as > sorted-by-inode-number =E2=80=98tclIndex=E2=80=99 files. For the Emacs m= odes, the > problem is the autogenerated autoloads files, which include some sort of > a timestamp as well. > > You=E2=80=99re welcome to help fix these issues! Thanks for the info! Those timestamps are inserted by `autoload-insert-section-header' and we can avoid them by advising this function, for example, like this: --=-=-= Content-Type: application/emacs-lisp Content-Disposition: inline; filename=autoload-advice.el Content-Transfer-Encoding: quoted-printable (defun guix-autoload-no-timestamp (fun outbuf autoloads load-name file time) (funcall fun outbuf autoloads load-name file 0)) (advice-add 'autoload-insert-section-header :around 'guix-autoload-no-timestamp) --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable So after putting this code into =E2=80=98emacs-generate-autoloads=E2=80=99 = procedure from (guix build emacs-utils) module, there will be zeros instead of non-deterministic timestamps. However this will fix only those packages, that use =E2=80=98emacs-generate-autoloads=E2=80=99 directly or via =E2=80=98emacs-b= uild-system=E2=80=99. But there are also packages that generate autoloads on their own (for example, 'emacs-w3m' or 'guix' itself). What to do for these ones? Perhaps we can make a special 'emacs-build' package (that will advise =E2=80=98autoload-insert-section-header=E2=80=99 function somehow) and use = it as an input for emacs-packages, or are there other ways? --=20 Alex --=-=-=--