$ git clone -n https://src.fedoraproject.org/rpms/liblockfile.git /var/lib/mock/f31-build-58956-28518/root/chroot_tmpdir/scmroot/liblockfile
Cloning into '/var/lib/mock/f31-build-58956-28518/root/chroot_tmpdir/scmroot/liblockfile'...
$ git reset --hard ac939576085769c74d6ffef38f5dcda7afdda20b
HEAD is now at ac93957 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild