Hartmut Goebel skribis: > Am 24.03.2017 um 14:14 schrieb Tobias Geerinckx-Rice: >>> > HTH - speaking from experience making the same mistake here.. >> I suspect most people have. The message isn't as clear as it could be. > > Either way round the message is hard to read: squezzed between many > other message, no line-break and arguable wording. IMHO this should be > improved to empower more people. Yeah I agree. What about this (patch below)? --8<---------------cut here---------------start------------->8--- @ build-started /gnu/store/0rn80kgcbc90hfl2vl54adci7675fwb7-idutils-4.6.tar.xz.drv - x86_64-linux /var/log/guix/drvs/0r//n80kgcbc90hfl2vl54adci7675fwb7-idutils-4.6.tar.xz.drv.bz2 Starting download of /gnu/store/si0rm701sqmi3w69k2b2yzar4p99j66k-idutils-4.6.tar.xz From http://ftpmirror.gnu.org/idutils/idutils-4.6.tar.xz... following redirection to `http://mirror.ibcp.fr/pub/gnu/idutils/idutils-4.6.tar.xz'... idutils-4.6.tar.xz 978KiB 743KiB/s 00:01 [####################] 100.0% sha256 hash mismatch for output path `/gnu/store/si0rm701sqmi3w69k2b2yzar4p99j66k-idutils-4.6.tar.xz' expected: 1hmai3422iaqnp34kkzxdnywl7n7pvlxp11vrw66ybxn9wxg90c2 actual: 1hmai3422iaqnp34kkzxdnywl7n7pvlxp11vrw66ybxn9wxg90c1 @ build-failed /gnu/store/0rn80kgcbc90hfl2vl54adci7675fwb7-idutils-4.6.tar.xz.drv - 1 sha256 hash mismatch for output path `/gnu/store/si0rm701sqmi3w69k2b2yzar4p99j66k-idutils-4.6.tar.xz' expected: 1hmai3422iaqnp34kkzxdnywl7n7pvlxp11vrw66ybxn9wxg90c2 actual: 1hmai3422iaqnp34kkzxdnywl7n7pvlxp11vrw66ybxn9wxg90c1 cannot build derivation `/gnu/store/kk172bqfx6ya7w62xm1vmr2c9iyq6cpy-idutils-4.6.tar.xz.drv': 1 dependencies couldn't be built guix build: error: build failed: build of `/gnu/store/kk172bqfx6ya7w62xm1vmr2c9iyq6cpy-idutils-4.6.tar.xz.drv' failed --8<---------------cut here---------------end--------------->8--- (Here ‘guix build’ repeats the error message because of #:print-build-trace, which is #true in ‘guix build’.) Probably not optimal but hopefully an improvement. Thanks, Ludo’.