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Wed, 29 Jul 2020 18:33:36 -0400 (EDT) Date: Wed, 29 Jul 2020 18:33:31 -0400 From: Leo Famulari Message-ID: <20200729223331.GA10794@jasmine.lan> References: <20200729180947.682312e8@interia.pl> <20200729181647.62f44f79@interia.pl> <87v9i6gq5s.fsf@elephly.net> <20200729214428.0afc9ab4@interia.pl> <87sgdagjpe.fsf@elephly.net> <20200730001210.2d3617b8@interia.pl> <87pn8ege77.fsf@elephly.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <87pn8ege77.fsf@elephly.net> X-Spam-Score: -0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -1.7 (-) X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: 42601@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=fail (rsa verify failed) header.d=famulari.name header.s=mesmtp header.b=GcAT+cel; dkim=fail (rsa verify failed) header.d=messagingengine.com header.s=fm3 header.b=dnXKSqo3; dmarc=none; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Spam-Score: -0.01 X-TUID: kt7dJwV/K/aR On Thu, Jul 30, 2020 at 12:15:56AM +0200, Ricardo Wurmus wrote: > “Unbound variable: ~S” looks like a format string with a placeholder > that didn’t get replaced with an actual value. It would be marginally > better if it said “Unbound variable: avr-toolchain”. The reason I suggested an interface change being responsible for "Unbound variable: ~S" is that I noticed it a couple days ago after changes to (guix ui), and it was fixed by `make clean-go`: http://logs.guix.gnu.org/guix/2020-07-27.log#015055 I think that error message is an example of what can go wrong when using a development environment without rebuilding everything first.