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home-environment: optionally empty PATH in activation
This adds the option `home.emptyActivationPath` that, when enabled, will cause the activation script to ignore the calling user's `PATH`. The option is disabled by default to match current behavior but the intent is to change this in the future to reduce risk of accidental dependencies of the environment.
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2ff09158f3
commit
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1 changed files with 14 additions and 2 deletions
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@ -169,6 +169,17 @@ in
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description = "The derivation installing the user packages.";
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};
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home.emptyActivationPath = mkOption {
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internal = true;
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default = false;
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type = types.bool;
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description = ''
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Whether the activation script should start with an empty
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<envvar>PATH</envvar> variable. When <literal>false</literal>
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then the user's <envvar>PATH</envvar> will be used.
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'';
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};
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home.activation = mkOption {
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internal = true;
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default = {};
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@ -263,7 +274,8 @@ in
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pkgs.gnused
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pkgs.ncurses # For `tput`.
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pkgs.nix
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];
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]
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+ optionalString (!cfg.emptyActivationPath) "\${PATH:+:}$PATH";
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activationScript = pkgs.writeScript "activation-script" ''
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#!${pkgs.stdenv.shell}
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@ -271,7 +283,7 @@ in
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set -eu
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set -o pipefail
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export PATH="${activationBinPaths}:$PATH"
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export PATH="${activationBinPaths}"
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. ${./lib-bash/color-echo.sh}
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