$ git clone -n https://src.fedoraproject.org/rpms/tcpreen.git /var/lib/mock/f31-build-74697-31170/root/chroot_tmpdir/scmroot/tcpreen
Cloning into '/var/lib/mock/f31-build-74697-31170/root/chroot_tmpdir/scmroot/tcpreen'...
$ git reset --hard 7704e7cb99c21bf2cd05d95dbf62f2fb8846833e
HEAD is now at 7704e7c - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild