$ git clone -n https://src.fedoraproject.org/rpms/ebtree.git /var/lib/mock/f45-build-7915-371/root/chroot_tmpdir/scmroot/ebtree
Cloning into '/var/lib/mock/f45-build-7915-371/root/chroot_tmpdir/scmroot/ebtree'...
$ git fetch origin 7e589e456559512e697bbe9a70c58988185e8ef0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ebtree
 * [new ref]         7e589e456559512e697bbe9a70c58988185e8ef0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e589e4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild