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nixos/envfs: add extraFallbackPathCommands options

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this is mainly useful for restricted platforms like wsl which require
some extra entries in /bin/
This commit is contained in:
Sandro Jäckel 2023-01-30 16:53:08 +01:00
parent d9f07dcee5
commit 1c664befd4
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1 changed files with 11 additions and 3 deletions
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14
nixos/modules/tasks/filesystems/envfs.nix
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@ -7,11 +7,11 @@ let
device = "none";
fsType = "envfs";
options = [
"fallback-path=${pkgs.runCommand "fallback-path" {} ''
"fallback-path=${pkgs.runCommand "fallback-path" {} (''
mkdir -p $out
ln -s ${config.environment.usrbinenv} $out/env
ln -s ${config.environment.binsh} $out/sh
''}"
'' + cfg.extraFallbackPathCommands)}"
];
};
"/bin" = {
@ -31,11 +31,19 @@ in {
etc.
'';
};
package = lib.mkOption {
type = lib.types.package;
description = lib.mdDoc "Which package to use for the envfs.";
default = pkgs.envfs;
defaultText = lib.literalExpression "pkgs.envfs";
description = lib.mdDoc "Which package to use for the envfs.";
};
extraFallbackPathCommands = lib.mkOption {
type = lib.types.lines;
default = "";
example = "ln -s $''{pkgs.bash}/bin/bash $out/bash";
description = lib.mdDoc "Extra commands to run in the package that contains fallback executables in case not other executable is found";
};
};
};