$ git clone -n https://src.fedoraproject.org/rpms/ibus-handwrite.git /var/lib/mock/f45-build-13971-456/root/chroot_tmpdir/scmroot/ibus-handwrite
Cloning into '/var/lib/mock/f45-build-13971-456/root/chroot_tmpdir/scmroot/ibus-handwrite'...
$ git fetch origin 450d10c109ecdebf4977f6efe2793317e534d302:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ibus-handwrite
 * [new ref]         450d10c109ecdebf4977f6efe2793317e534d302 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 450d10c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild