$ git clone -n https://src.fedoraproject.org/rpms/libepubgen.git /var/lib/mock/f31-build-68559-30197/root/chroot_tmpdir/scmroot/libepubgen
Cloning into '/var/lib/mock/f31-build-68559-30197/root/chroot_tmpdir/scmroot/libepubgen'...
$ git reset --hard 604973975fd9885402f5b25011c676dc1e738b32
HEAD is now at 6049739 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild