$ git clone -n https://src.fedoraproject.org/rpms/tcpjunk.git /var/lib/mock/f29-build-4272-1024/root/thebuilddir/tmp/scmroot/tcpjunk
Cloning into '/var/lib/mock/f29-build-4272-1024/root/thebuilddir/tmp/scmroot/tcpjunk'...
$ git reset --hard cd224794d848863b04fdcfc03587cdaa3bc57cad
HEAD is now at cd22479 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild