nixos/config/nix-channel: Factor out root channel initialization
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1c772cd857
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35
nixos/modules/config/nix-channel.nix
Normal file
35
nixos/modules/config/nix-channel.nix
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@ -0,0 +1,35 @@
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{ config, lib, ... }:
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let
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inherit (lib)
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mkIf
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mkOption
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stringAfter
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types
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;
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cfg = config.nix;
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in
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{
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options = {
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system = {
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defaultChannel = mkOption {
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internal = true;
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type = types.str;
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default = "https://nixos.org/channels/nixos-unstable";
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description = lib.mdDoc "Default NixOS channel to which the root user is subscribed.";
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};
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};
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};
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config = mkIf cfg.enable {
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system.activationScripts.nix-channel = stringAfter [ "etc" "users" ]
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''
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# Subscribe the root user to the NixOS channel by default.
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if [ ! -e "/root/.nix-channels" ]; then
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echo "${config.system.defaultChannel} nixos" > "/root/.nix-channels"
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fi
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'';
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};
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}
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@ -140,13 +140,6 @@ in
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'';
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'';
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};
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};
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defaultChannel = mkOption {
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internal = true;
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type = types.str;
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default = "https://nixos.org/channels/nixos-unstable";
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description = lib.mdDoc "Default NixOS channel to which the root user is subscribed.";
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};
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configurationRevision = mkOption {
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configurationRevision = mkOption {
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type = types.nullOr types.str;
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type = types.nullOr types.str;
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default = null;
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default = null;
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@ -18,6 +18,7 @@
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./config/mysql.nix
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./config/mysql.nix
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./config/networking.nix
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./config/networking.nix
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./config/nix.nix
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./config/nix.nix
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./config/nix-channel.nix
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./config/nix-remote-build.nix
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./config/nix-remote-build.nix
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./config/no-x-libs.nix
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./config/no-x-libs.nix
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./config/nsswitch.nix
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./config/nsswitch.nix
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@ -263,11 +263,6 @@ in
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system.activationScripts.nix = stringAfter [ "etc" "users" ]
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system.activationScripts.nix = stringAfter [ "etc" "users" ]
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''
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''
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install -m 0755 -d /nix/var/nix/{gcroots,profiles}/per-user
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install -m 0755 -d /nix/var/nix/{gcroots,profiles}/per-user
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# Subscribe the root user to the NixOS channel by default.
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if [ ! -e "/root/.nix-channels" ]; then
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echo "${config.system.defaultChannel} nixos" > "/root/.nix-channels"
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fi
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'';
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'';
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# Legacy configuration conversion.
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# Legacy configuration conversion.
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