$ git clone -n https://src.fedoraproject.org/rpms/ebtree.git /var/lib/mock/f41-build-1018526-17947/root/chroot_tmpdir/scmroot/ebtree
Cloning into '/var/lib/mock/f41-build-1018526-17947/root/chroot_tmpdir/scmroot/ebtree'...
$ git fetch origin c4c85eb6b5743f020a7b148cb73e5529f3eda769:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ebtree
 * [new ref]         c4c85eb6b5743f020a7b148cb73e5529f3eda769 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4c85eb Eliminate use of obsolete %patchN syntax (#2283636)