$ git clone -n https://src.fedoraproject.org/rpms/gnokii.git /var/lib/mock/f45-build-11335-429/root/chroot_tmpdir/scmroot/gnokii
Cloning into '/var/lib/mock/f45-build-11335-429/root/chroot_tmpdir/scmroot/gnokii'...
$ git fetch origin 71c0d7c1b31ee9bedc99a7eee8c260c045d13701:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnokii
 * [new ref]         71c0d7c1b31ee9bedc99a7eee8c260c045d13701 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71c0d7c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild