$ git clone -n https://src.fedoraproject.org/rpms/ruby-augeas.git /var/lib/mock/f45-build-34752-691/root/chroot_tmpdir/scmroot/ruby-augeas
Cloning into '/var/lib/mock/f45-build-34752-691/root/chroot_tmpdir/scmroot/ruby-augeas'...
$ git fetch origin aae294d3d180ebf4c04abf9cbc129a07a0c13dd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ruby-augeas
 * [new ref]         aae294d3d180ebf4c04abf9cbc129a07a0c13dd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aae294d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild