$ git clone -n https://src.fedoraproject.org/rpms/python-logbook.git /var/lib/mock/f45-build-39745-751/root/chroot_tmpdir/scmroot/python-logbook
Cloning into '/var/lib/mock/f45-build-39745-751/root/chroot_tmpdir/scmroot/python-logbook'...
$ git fetch origin f02f645f4e4dcd47dc00cb52722fb9caaca572af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-logbook
 * [new ref]         f02f645f4e4dcd47dc00cb52722fb9caaca572af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f02f645 1.10.1