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add flake versions

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Daiderd Jordan 2020-10-18 12:57:15 +02:00
parent c4bc63d2b9
commit 4a31cba84c
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GPG key ID: D02435D05B810C96
2 changed files with 32 additions and 6 deletions
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18
flake.nix
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@ -2,7 +2,20 @@
# WARNING this is very much still experimental.
description = "A collection of darwin modules";
outputs = { self, nixpkgs }: {
outputs = { self, nixpkgs }:
let
versionsModule = { lib, ... }: {
_file = ./flake.nix;
config = {
system.darwinVersionSuffix = ".${nixpkgs.shortRev or "dirty"}";
system.darwinRevision = lib.mkIf (self ? rev) self.rev;
system.nixpkgsVersionSuffix = ".${lib.substring 0 8 (nixpkgs.lastModifiedDate or nixpkgs.lastModified or "19700101")}.${nixpkgs.shortRev or "dirty"}";
system.nixpkgsRevision = lib.mkIf (nixpkgs ? rev) nixpkgs.rev;
};
};
in
{
lib = {
# TODO handle multiple architectures.
@ -10,8 +23,7 @@
darwinSystem = { modules, inputs ? {}, ... }@args: self.lib.evalConfig (args // {
inputs = { inherit nixpkgs; darwin = self; } // inputs;
modules = modules ++ [
];
modules = modules ++ [ versionsModule ];
});
};

20
modules/system/version.nix
View file

@ -59,6 +59,12 @@ in
description = "The full darwin version (e.g. <literal>darwin4.master</literal>).";
};
system.darwinVersionSuffix = mkOption {
internal = true;
type = types.str;
description = "The short darwin version suffix (e.g. <literal>.2abdb5a</literal>).";
};
system.darwinRevision = mkOption {
internal = true;
type = types.str;
@ -78,6 +84,12 @@ in
description = "The full nixpkgs version (e.g. <literal>16.03.1160.f2d4ee1</literal>).";
};
system.nixpkgsVersionSuffix = mkOption {
internal = true;
type = types.str;
description = "The short nixpkgs version suffix (e.g. <literal>.1160.f2d4ee1</literal>).";
};
system.nixpkgsRevision = mkOption {
internal = true;
type = types.str;
@ -89,12 +101,14 @@ in
# These defaults are set here rather than up there so that
# changing them would not rebuild the manual
system.darwinLabel = "${cfg.nixpkgsVersion}+${cfg.darwinVersion}";
system.darwinVersion = "darwin" + toString cfg.stateVersion + "." + darwin.shortRev;
system.darwinLabel = mkDefault "${cfg.nixpkgsVersion}+${cfg.darwinVersion}";
system.darwinVersion = mkDefault "darwin${toString cfg.stateVersion}${cfg.darwinVersionSuffix}";
system.darwinVersionSuffix = mkDefault ".${darwin.shortRev}";
system.darwinRevision = mkIf (darwin ? rev) (mkDefault darwin.rev);
system.nixpkgsVersion = mkDefault (cfg.nixpkgsRelease + nixpkgsSuffix);
system.nixpkgsVersion = mkDefault "${cfg.nixpkgsRelease}${cfg.nixpkgsVersionSuffix}";
system.nixpkgsRelease = mkDefault (fileContents releaseFile);
system.nixpkgsVersionSuffix = mkDefault nixpkgsSuffix;
system.nixpkgsRevision = mkIf (nixpkgs ? rev) (mkDefault nixpkgs.rev);
assertions = [ { assertion = cfg.stateVersion <= defaultStateVersion; message = "system.stateVersion = ${toString cfg.stateVersion}; is not a valid value"; } ];