$ git clone -n https://src.fedoraproject.org/rpms/jacknativeclient.git /var/lib/mock/f29-build-2739-784/root/thebuilddir/tmp/scmroot/jacknativeclient
Cloning into '/var/lib/mock/f29-build-2739-784/root/thebuilddir/tmp/scmroot/jacknativeclient'...
$ git reset --hard 5dfd49e1b9a42cf1619d25bdd8cdb151468521b4
HEAD is now at 5dfd49e - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild