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Document technical reason for requiring devShell

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Robert Hensing 2021-11-22 22:43:50 +01:00
parent e5d5866b1d
commit 0cf2ff3e94
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4
modules/devShell.nix
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@ -36,6 +36,10 @@ in
options = {
devShell = mkOption {
type = types.package;
# We don't have a way to unset devShell in the flake without computing
# the root of each allSystems module, so to improve laziness, the best
# choice seems to be to require a devShell and give the opportunity
# to unset it manually.
default = throw "The default devShell was not configured for system ${system}. Please set it, or if you don't want to use the devShell attribute, set flake.devShell = lib.mkForce {};";
description = ''
A derivation that nix develop bases its environment on.