mirror of
https://github.com/LnL7/nix-darwin.git
synced 2025-03-05 08:17:01 +00:00
A change of `commitIdFromGitRepo` in nixpkgs/lib/sources.nix
resulted in the error message
"attribute '.git' missing at nixpkgs/lib/sources.nix:7:32" when
executing darwin-rebuils switch.
The commit with the change is
c9214c394b
Removing the trailing slash resolves the error.
103 lines
3.3 KiB
Nix
103 lines
3.3 KiB
Nix
{ options, config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.system;
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defaultStateVersion = options.system.stateVersion.default;
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parseGit = path:
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if pathExists "${path}/.git" then rec {
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rev = commitIdFromGitRepo "${path}/.git";
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shortRev = substring 0 7 rev;
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}
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else if pathExists "${path}/.git-revision" then rec {
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rev = fileContents "${path}/.git-revision";
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shortRev = substring 0 7 rev;
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}
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else {
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shortRev = "0000000";
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};
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darwin = parseGit (toString ../..);
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nixpkgs = parseGit (toString pkgs.path);
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releaseFile = "${toString pkgs.path}/.version";
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suffixFile = "${toString pkgs.path}/.version-suffix";
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nixpkgsSuffix = if pathExists suffixFile then fileContents suffixFile
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else ".git." + nixpkgs.shortRev;
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in
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{
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options = {
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system.stateVersion = mkOption {
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type = types.int;
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default = 4;
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description = ''
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Every once in a while, a new NixOS release may change
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configuration defaults in a way incompatible with stateful
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data. For instance, if the default version of PostgreSQL
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changes, the new version will probably be unable to read your
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existing databases. To prevent such breakage, you can set the
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value of this option to the NixOS release with which you want
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to be compatible. The effect is that NixOS will option
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defaults corresponding to the specified release (such as using
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an older version of PostgreSQL).
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'';
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};
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system.darwinLabel = mkOption {
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type = types.str;
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description = "Label to be used in the names of generated outputs.";
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};
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system.darwinVersion = mkOption {
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internal = true;
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type = types.str;
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description = "The full darwin version (e.g. <literal>darwin4.master</literal>).";
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};
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system.darwinRevision = mkOption {
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internal = true;
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type = types.str;
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default = "master";
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description = "The darwin git revision from which this configuration was built.";
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};
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system.nixpkgsRelease = mkOption {
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readOnly = true;
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type = types.str;
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description = "The nixpkgs release (e.g. <literal>16.03</literal>).";
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};
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system.nixpkgsVersion = mkOption {
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internal = true;
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type = types.str;
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description = "The full nixpkgs version (e.g. <literal>16.03.1160.f2d4ee1</literal>).";
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};
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system.nixpkgsRevision = mkOption {
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internal = true;
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type = types.str;
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description = "The nixpkgs git revision from which this configuration was built.";
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};
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};
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config = {
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# These defaults are set here rather than up there so that
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# changing them would not rebuild the manual
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system.darwinLabel = "${cfg.nixpkgsVersion}+${cfg.darwinVersion}";
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system.darwinVersion = "darwin" + toString cfg.stateVersion + "." + darwin.shortRev;
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system.darwinRevision = mkIf (darwin ? rev) (mkDefault darwin.rev);
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system.nixpkgsVersion = mkDefault (cfg.nixpkgsRelease + nixpkgsSuffix);
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system.nixpkgsRelease = mkDefault (fileContents releaseFile);
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system.nixpkgsRevision = mkIf (nixpkgs ? rev) (mkDefault nixpkgs.rev);
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assertions = [ { assertion = cfg.stateVersion <= defaultStateVersion; message = "system.stateVersion = ${toString cfg.stateVersion}; is not a valid value"; } ];
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};
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}
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