$ git clone -n https://src.fedoraproject.org/rpms/eblook.git /var/lib/mock/f41-build-1020574-18013/root/chroot_tmpdir/scmroot/eblook
Cloning into '/var/lib/mock/f41-build-1020574-18013/root/chroot_tmpdir/scmroot/eblook'...
$ git fetch origin 7ef2d1de7d437bd0affa595ec6eddb8739e3b820:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eblook
 * [new ref]         7ef2d1de7d437bd0affa595ec6eddb8739e3b820 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ef2d1d Eliminate use of obsolete %patchN syntax (#2283636)