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nix-ssh-serve.nix: Remove unnecessary check

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ForceCommand ensures that we always run nix-store --serve, so there is
no need to check SSH_ORIGINAL_COMMAND.
This commit is contained in:
Eelco Dolstra 2014-07-25 10:54:00 +02:00
parent 50510d1985
commit 3e9c2bf4b5
1 changed files with 5 additions and 14 deletions
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19
nixos/modules/services/misc/nix-ssh-serve.nix
View file

@ -1,21 +1,12 @@
{ config, lib, pkgs, ... }:
let
serveOnly = pkgs.writeScript "nix-store-serve" ''
#!${pkgs.stdenv.shell}
if [ "$SSH_ORIGINAL_COMMAND" != "nix-store --serve" ]; then
echo 'Error: You are only allowed to run `nix-store --serve'\'''!' >&2
exit 1
fi
exec /run/current-system/sw/bin/nix-store --serve
'';
with lib;
inherit (lib) mkIf mkOption types;
in {
{
options = {
nix.sshServe = {
enable = mkOption {
description = "Whether to enable serving the nix store over ssh.";
description = "Whether to enable serving the Nix store as a binary cache via SSH.";
default = false;
type = types.bool;
};
@ -24,7 +15,7 @@ in {
config = mkIf config.nix.sshServe.enable {
users.extraUsers.nix-ssh = {
description = "User for running nix-store --serve.";
description = "Nix SSH substituter user";
uid = config.ids.uids.nix-ssh;
shell = pkgs.stdenv.shell;
};
@ -38,7 +29,7 @@ in {
PermitTTY no
PermitTunnel no
X11Forwarding no
ForceCommand ${serveOnly}
ForceCommand ${config.nix.package}/bin/nix-store --serve
Match All
'';
};