$ git clone -n https://git.cclinux.org/stage/rpms/ghc-scientific.git /var/lib/mock/dist-circle8-build-17030-3303/root/chroot_tmpdir/scmroot/ghc-scientific
Cloning into '/var/lib/mock/dist-circle8-build-17030-3303/root/chroot_tmpdir/scmroot/ghc-scientific'...
$ git reset --hard 256cf0e35bbf620ab2fe276295e73fec529d78e0
HEAD is now at 256cf0e import ghc-scientific-0.3.5.2-2.el8