$ git clone -n https://src.fedoraproject.org/rpms/tcpdump.git /var/lib/mock/f31-build-55179-28101/root/chroot_tmpdir/scmroot/tcpdump
Cloning into '/var/lib/mock/f31-build-55179-28101/root/chroot_tmpdir/scmroot/tcpdump'...
$ git reset --hard 1501ae5b61aaeb2f0e2ca7e671acd13bcd5fee9a
HEAD is now at 1501ae5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild