$ git clone -n https://src.fedoraproject.org/rpms/alex4.git /var/lib/mock/f29-build-6837-1683/root/thebuilddir/tmp/scmroot/alex4
Cloning into '/var/lib/mock/f29-build-6837-1683/root/thebuilddir/tmp/scmroot/alex4'...
$ git reset --hard 449bef7e7db29ae27de634b4f6ace3c874e0c02f
HEAD is now at 449bef7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild