$ git clone -n https://src.fedoraproject.org/rpms/gnome-power-manager.git /var/lib/mock/f31-build-76428-31413/root/thebuilddir/tmp/scmroot/gnome-power-manager
Cloning into '/var/lib/mock/f31-build-76428-31413/root/thebuilddir/tmp/scmroot/gnome-power-manager'...
$ git reset --hard 91dfcfe76b7b199f836436ceeae9fcba0e9c27f5
HEAD is now at 91dfcfe - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild