$ git clone -n https://src.fedoraproject.org/rpms/bolt.git /var/lib/mock/f42-build-side-1-3582206-46884/root/chroot_tmpdir/scmroot/bolt
Cloning into '/var/lib/mock/f42-build-side-1-3582206-46884/root/chroot_tmpdir/scmroot/bolt'...
$ git fetch origin 24d55227c03d832e6636ef1c3206315bd3444759:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bolt
 * [new ref]         24d55227c03d832e6636ef1c3206315bd3444759 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24d5522 Update to the upstream version 0.9.10