Hi, Well, I am looking for different past versions of Numpy, so I am trying commit b9595a7659 from Nov 11, 2021,
gnu: python-numpy: Update to 1.21.3 and cleanup. and I just run, guix time-machine --commit=b9595a7659 -- help which returns an error: --8<---------------cut here---------------start------------->8--- [...] cannot build derivation `/gnu/store/ss0hz522h5w8bp82d4xz165318qw1yv5-profile.drv': 1 dependencies couldn't be built guix time-machine: error: build of `/gnu/store/ss0hz522h5w8bp82d4xz165318qw1yv5-profile.drv' failed --8<---------------cut here---------------end--------------->8--- and the failure is about libgit2. The log reads, --8<---------------cut here---------------start------------->8--- [...] refs::rename........... refs::revparse.................F 1) Failure: refs::revparse::date [/tmp/guix-build-libgit2-1.1.0.drv-0/libgit2-1.1.0/tests/refs/revparse.c:31] Function call succeeded: error no error, expected non-zero return error: in phase 'check': uncaught exception: %exception #<&invoke-error program: "./libgit2_clar" arguments: ("-v" "-Q") exit-status: 1 term-signal: #f stop-signal: #f> phase `check' failed after 11.5 seconds command "./libgit2_clar" "-v" "-Q" failed with status 1 --8<---------------cut here---------------end--------------->8--- Well, is it specific to my machine? Or is it reproducible? Reproduced by Wojtek Kosior, see [1]. 1: <https://yhetil.org/guix/20221123221009.06020...@koszkonutek-tmp.pl.eu.org> Cheers, simon -- Initially sent to guix-devel: From: zimoun <zimon.touto...@gmail.com> To: Guix Devel <guix-de...@gnu.org> Subject: Fail ’guix time-machine’ on Nov 2021 because libgit2