$ git clone -n https://src.fedoraproject.org/rpms/tcpdump.git /var/lib/mock/f33-build-538782-65046/root/chroot_tmpdir/scmroot/tcpdump
Cloning into '/var/lib/mock/f33-build-538782-65046/root/chroot_tmpdir/scmroot/tcpdump'...
$ git reset --hard df4aae7856a6f3e5e7badc7b7e1ccf42fbe75fbc
HEAD is now at df4aae7 New version 4.99.0