export TMPDIR=$HOME/build
Or of that would interfere with other processes using that variable, just do something like:
alias packer='TMPDIR=$HOME/build packer'
sudo systemctl mask tmp.mount and reboot
]]>You can also increase the maximum size of /tmp if you have enough RAM.
I don't have unfortunately but thanks for the suggestion.
/etc/makepkg.conf
Thank you. I'm still very newbie in Arch.
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