$ git clone -n https://src.fedoraproject.org/rpms/python-knack.git /var/lib/mock/f45-build-31308-651/root/chroot_tmpdir/scmroot/python-knack
Cloning into '/var/lib/mock/f45-build-31308-651/root/chroot_tmpdir/scmroot/python-knack'...
$ git fetch origin b93bdd30935dcdeb0c6e39e2f5fcdbd4d8a24360:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-knack
 * [new ref]         b93bdd30935dcdeb0c6e39e2f5fcdbd4d8a24360 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b93bdd3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild