38 lines
967 B
Nix
38 lines
967 B
Nix
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{ config, lib, pkgs, ... }:
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with lib;
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{
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options = {
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environment.binbash.enable = mkOption {
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default = true;
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type = types.bool;
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description = ''
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Include a /bin/bash in the system.
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'';
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};
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environment.binbash.bash = mkOption {
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type = types.package;
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default = pkgs.bashInteractive;
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defaultText = literalExpression "pkgs.bashInteractive";
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example = literalExpression "pkgs.bash";
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description = lib.mdDoc ''
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The bash implementation that will be present in
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`/bin/bash` after enabling this option.
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'';
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};
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};
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config = {
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system.activationScripts.binbash = if config.environment.binbash.enable
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then ''
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mkdir -m 0755 -p /bin
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ln -sfn ${config.environment.binbash.bash}/bin/bash /bin/.bash.tmp
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mv /bin/.bash.tmp /bin/bash # atomically replace /usr/bin/env
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''
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else ''
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rm -f /bin/bash
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'';
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};
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}
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