$ git clone -n https://src.fedoraproject.org/rpms/squid.git /var/lib/mock/f31-build-53055-27800/root/thebuilddir/tmp/scmroot/squid
Cloning into '/var/lib/mock/f31-build-53055-27800/root/thebuilddir/tmp/scmroot/squid'...
$ git reset --hard d8ef9250ca7650f4ce77f1ed8e67eb6fc0459c6a
HEAD is now at d8ef925 new version 4.8