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nixos-option: don't eval description #31656

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merged 1 commit into from Nov 14, 2017
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Ma27
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@Ma27 Ma27 commented Nov 14, 2017

Motivation for this change

see #31630 (comment)

When backticks are used in a description field of a nixos-option, the value inside a backtick will be evaluated which can cause unexpected side-effects.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option build-use-sandbox in nix.conf on non-NixOS)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Fits CONTRIBUTING.md.

@Ma27 Ma27 requested a review from nbp as a code owner November 14, 2017 11:21
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Ma27 commented Nov 14, 2017

(/cc @grahamc)

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Ma27 commented Nov 14, 2017

I tested this using the following command:

$ sh ./nixos/modules/installer/tools/nixos-option.sh services.postgresql.superUser

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fpletz commented Nov 14, 2017

What the… does anybody know why the description was eval'ed in nixos-option?

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Ma27 commented Nov 14, 2017 via email

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grahamc commented Nov 14, 2017

@nbp I'm going to merge this in 12 hours unless I hear otherwise from you :)

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nbp commented Nov 14, 2017

@grahamc Thanks for the heads-up, next time give me more than 12h, I barely got time to check my personal emails these days.

@nbp nbp merged commit 20a5e9d into NixOS:master Nov 14, 2017
@Ma27 Ma27 deleted the fix-nixos-option branch November 14, 2017 22:07
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grahamc commented Nov 14, 2017 via email

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6 participants