Puzzling "$Home not set" Warning in Discover

[cscs]

Its not coming from discover.
Its coming from parallel.
That said it may be related to this:

During pamac update of AUR packages: "parallel: Warning: $HOME not set. Using /tmp"

Hello, at the end of the update of my AUR packages in pamac, I had the following message that I can now read in the /var/log/pacman.log: [ALPM-SCRIPTLET] parallel: Warning: $HOME not set. Using /tmp. In this forum post, @GaVenga wrote : Reason: ZDOTDIR=$HOME missing in .zshrc Since my shell used is bash and not zsh, I have found no ~/.zshrc on my computer. I have looked quickly on the parallel file for bash, namely ~/.bashrc and have not found a line with ZDOTDIR= in it. Should I chan…

And that said …
Heres a warning that you shouldnt be using discover/packagekit for package management.