$ git clone -n https://src.fedoraproject.org/rpms/virt-viewer.git /var/lib/mock/f31-build-70839-30539/root/thebuilddir/tmp/scmroot/virt-viewer
Cloning into '/var/lib/mock/f31-build-70839-30539/root/thebuilddir/tmp/scmroot/virt-viewer'...
$ git reset --hard 2f71e819688ba8fc719260b48bbbb6e057075f55
HEAD is now at 2f71e81 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild