$ git clone -n https://src.fedoraproject.org/rpms/nm-tray.git /var/lib/mock/f31-build-57809-28388/root/chroot_tmpdir/scmroot/nm-tray
Cloning into '/var/lib/mock/f31-build-57809-28388/root/chroot_tmpdir/scmroot/nm-tray'...
$ git reset --hard b90b1d5517df403de7afbe04e078496a1829a950
HEAD is now at b90b1d5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild