$ git clone -n https://src.fedoraproject.org/rpms/linuxptp.git /var/lib/mock/f31-build-47904-26979/root/chroot_tmpdir/scmroot/linuxptp
Cloning into '/var/lib/mock/f31-build-47904-26979/root/chroot_tmpdir/scmroot/linuxptp'...
$ git reset --hard b86fb964390521c2c38a00452d90606419cf25aa
HEAD is now at b86fb96 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild