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installer: ask for confirmation on multi-user install without systemd

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On Linux a user can go through all the way through the multi-user install
and find out at the end that they now have to manually configure their
init system to launch the nix daemon.

I suspect that for a significant number of users this is not
what they wanted. They might prefer a single-user install.
Now they have to manually uninstall nix before they can
go through the single-user install.

This introduces a confirmation dialog before the install
in that specific situation to make sure that they want to proceed.

See also: https://github.com/NixOS/nix/issues/4999#issuecomment-1064188080
This closes #4999 but rejecting it and closing that issue anyways
would also be valid.
This commit is contained in:
Martin Schwaighofer 2022-04-07 11:28:20 +02:00
parent f01e33f283
commit 4f29cf1a1d
1 changed files with 12 additions and 0 deletions
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12
scripts/install-multi-user.sh
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@ -423,6 +423,18 @@ EOF
fi
done
if [ "$(uname -s)" = "Linux" ] && [ ! -e /run/systemd/system ]; then
warning <<EOF
We did not detect systemd on your system. With a multi-user install
without systemd you will have to manually configure your init system to
launch the Nix daemon after installation.
EOF
if ! ui_confirm "Do you want to proceed with a multi-user installation?"; then
failure <<EOF
You have aborted the installation.
EOF
fi
fi
}
setup_report() {