From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp12.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id KIFmHUvMEWKvsQAAgWs5BA (envelope-from ) for ; Sun, 20 Feb 2022 06:06:19 +0100 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp12.migadu.com with LMTPS id qHEIGkvMEWKCBAEAauVa8A (envelope-from ) for ; Sun, 20 Feb 2022 06:06:19 +0100 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 0FBB41B176 for ; Sun, 20 Feb 2022 06:06:18 +0100 (CET) Received: from localhost ([::1]:53378 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nLeQL-0007CZ-T0 for larch@yhetil.org; Sun, 20 Feb 2022 00:06:17 -0500 Received: from eggs.gnu.org ([209.51.188.92]:42698) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nLeQ8-0007CR-Fe for bug-guix@gnu.org; Sun, 20 Feb 2022 00:06:04 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:36963) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nLeQ6-0004M1-4Z for bug-guix@gnu.org; Sun, 20 Feb 2022 00:06:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nLeQ5-0003o2-Sb for bug-guix@gnu.org; Sun, 20 Feb 2022 00:06:01 -0500 X-Loop: help-debbugs@gnu.org Subject: bug#54033: Fwd: bug#54033: Calibre's ebook-viewer only shows white-on-white or dark-on-dark. 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spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -0.53 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gmail.com header.s=20210112 header.b=MiF3i5sS; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 0FBB41B176 X-Spam-Score: -0.53 X-Migadu-Scanner: scn0.migadu.com X-TUID: j0LTIQjZfZLV ---------- Forwarded message --------- From: Jacob MacDonald Date: Fri, Feb 18, 2022 at 8:52 PM Subject: Re: bug#54033: Calibre's ebook-viewer only shows white-on-white or dark-on-dark. To: Leo Famulari On Thu, Feb 17, 2022 at 5:41 PM Leo Famulari wrote: > Did you check if this bug has been reported upstream? I gave the Launchpad a cursory check but wasn't able to find what I was looking for. In addition, I scrolled back through the Git history a ways and found a commit that seems to have working Calibre at the same version. $ guix time-machine --commit=9d25ee30b188f9202cc14f7cd25ba8a1c3ec1a72 -- package --show=calibre name: calibre version: 5.21.0 ,,, $ guix time-machine --commit=9d25ee30b188f9202cc14f7cd25ba8a1c3ec1a72 -- shell calibre -- ebook-viewer brings up a working version of the reader. Thank you for the information about the time-machine command. I started to do a Git bisect on my copy of the repository, but found that it was intractable to build the versions of Guix necessary. Part of that seems to be related to some merges: Some of the candidate commits had dates from 2020 on them and the candidate set was rather large. Is there a smarter way to hunt down the commit where Calibre broke?