$ git clone -n https://src.fedoraproject.org/rpms/liblzf.git /var/lib/mock/f41-build-877602-16351/root/chroot_tmpdir/scmroot/liblzf
Cloning into '/var/lib/mock/f41-build-877602-16351/root/chroot_tmpdir/scmroot/liblzf'...
$ git fetch origin aff563fcf092f772c13ffd078792bfa008fc52ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/liblzf
 * [new ref]         aff563fcf092f772c13ffd078792bfa008fc52ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aff563f Eliminate use of obsolete %patchN syntax (#2283636)