$ git clone -n https://src.fedoraproject.org/rpms/libcerf.git /var/lib/mock/f31-build-68165-30163/root/chroot_tmpdir/scmroot/libcerf
Cloning into '/var/lib/mock/f31-build-68165-30163/root/chroot_tmpdir/scmroot/libcerf'...
$ git reset --hard b130d9296dd1a6f552a4334e4661c6b4c0ca7ad5
HEAD is now at b130d92 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild