$ git clone -n https://src.fedoraproject.org/rpms/apr-util.git /var/lib/mock/f41-build-1165453-21591/root/chroot_tmpdir/scmroot/apr-util
Cloning into '/var/lib/mock/f41-build-1165453-21591/root/chroot_tmpdir/scmroot/apr-util'...
$ git fetch origin 57dd1b93d47a316fb1f8fbd75ac88fe0dc711f70:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apr-util
 * [new ref]         57dd1b93d47a316fb1f8fbd75ac88fe0dc711f70 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57dd1b9 apr_dbm lmdb: disable locking by default