$ git clone -n https://src.fedoraproject.org/rpms/python-sqlalchemy1.4.git /var/lib/mock/f41-build-814922-149269/root/chroot_tmpdir/scmroot/python-sqlalchemy1.4
Cloning into '/var/lib/mock/f41-build-814922-149269/root/chroot_tmpdir/scmroot/python-sqlalchemy1.4'...
$ git fetch origin bedc6c5127414f281af9534c72a9db1d4aea58ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sqlalchemy1.4
 * [new ref]         bedc6c5127414f281af9534c72a9db1d4aea58ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bedc6c5 Skip memory profiling in %check