$ git clone -n https://src.fedoraproject.org/forks/u2fsdgvkx1/rpms/python-cpuinfo.git /var/lib/mock/f41-build-side-1-2793399-32695/root/chroot_tmpdir/scmroot/python-cpuinfo
Cloning into '/var/lib/mock/f41-build-side-1-2793399-32695/root/chroot_tmpdir/scmroot/python-cpuinfo'...
$ git fetch origin b836d8acbebb249c23d1a024c88455953968365f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/u2fsdgvkx1/rpms/python-cpuinfo
 * [new ref]         b836d8acbebb249c23d1a024c88455953968365f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b836d8a Add mvendorid field for RISC-V