$ git clone -n https://src.fedoraproject.org/rpms/libepubgen.git /var/lib/mock/f31-build-58527-28461/root/chroot_tmpdir/scmroot/libepubgen
Cloning into '/var/lib/mock/f31-build-58527-28461/root/chroot_tmpdir/scmroot/libepubgen'...
$ git reset --hard dce1ebd029504760300642636ac25d1a96bd7244
HEAD is now at dce1ebd - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild