$ git clone -n git://pkgs.fedoraproject.org/rpms/tcl-tclxml /var/lib/mock/f29-build-4263-1022/root/thebuilddir/tmp/scmroot/tcl-tclxml
Cloning into '/var/lib/mock/f29-build-4263-1022/root/thebuilddir/tmp/scmroot/tcl-tclxml'...
$ git reset --hard 545bd862143d8611cd05506962a92ba86e15aeb8
HEAD is now at 545bd86 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild