$ git clone -n https://src.fedoraproject.org/rpms/python-ZEO.git /var/lib/mock/f38-build-side-42-init-devel-628893-26375/root/chroot_tmpdir/scmroot/python-ZEO
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-628893-26375/root/chroot_tmpdir/scmroot/python-ZEO'...
$ git fetch origin 1b6c7af5df1ac96c1637879a6ff18ced361560e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ZEO
 * [new ref]         1b6c7af5df1ac96c1637879a6ff18ced361560e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b6c7af Version 5.4.0.