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@ -3,7 +3,7 @@ |
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with lib; |
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let |
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cfg = config.system; |
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cfg = config.system.nixos; |
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releaseFile = "${toString pkgs.path}/.version"; |
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suffixFile = "${toString pkgs.path}/.version-suffix"; |
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@ -16,43 +16,27 @@ in |
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options.system = { |
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stateVersion = mkOption { |
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type = types.str; |
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default = cfg.nixosRelease; |
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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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nixosVersion = mkOption { |
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nixos.version = mkOption { |
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internal = true; |
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type = types.str; |
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description = "The full NixOS version (e.g. <literal>16.03.1160.f2d4ee1</literal>)."; |
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}; |
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nixosRelease = mkOption { |
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nixos.release = mkOption { |
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readOnly = true; |
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type = types.str; |
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default = fileContents releaseFile; |
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description = "The NixOS release (e.g. <literal>16.03</literal>)."; |
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}; |
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nixosVersionSuffix = mkOption { |
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nixos.versionSuffix = mkOption { |
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internal = true; |
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type = types.str; |
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default = if pathExists suffixFile then fileContents suffixFile else "pre-git"; |
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description = "The NixOS version suffix (e.g. <literal>1160.f2d4ee1</literal>)."; |
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}; |
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nixosRevision = mkOption { |
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nixos.revision = mkOption { |
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internal = true; |
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type = types.str; |
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default = if pathIsDirectory gitRepo then commitIdFromGitRepo gitRepo |
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@ -61,12 +45,28 @@ in |
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description = "The Git revision from which this NixOS configuration was built."; |
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}; |
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nixosCodeName = mkOption { |
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nixos.codeName = mkOption { |
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readOnly = true; |
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type = types.str; |
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description = "The NixOS release code name (e.g. <literal>Emu</literal>)."; |
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}; |
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stateVersion = mkOption { |
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type = types.str; |
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default = cfg.release; |
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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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defaultChannel = mkOption { |
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internal = true; |
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type = types.str; |
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@ -78,15 +78,15 @@ in |
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config = { |
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system = { |
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system.nixos = { |
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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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nixosVersion = mkDefault (cfg.nixosRelease + cfg.nixosVersionSuffix); |
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nixosRevision = mkIf (pathIsDirectory gitRepo) (mkDefault gitCommitId); |
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nixosVersionSuffix = mkIf (pathIsDirectory gitRepo) (mkDefault (".git." + gitCommitId)); |
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version = mkDefault (cfg.release + cfg.versionSuffix); |
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revision = mkIf (pathIsDirectory gitRepo) (mkDefault gitCommitId); |
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versionSuffix = mkIf (pathIsDirectory gitRepo) (mkDefault (".git." + gitCommitId)); |
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# Note: code names must only increase in alphabetical order. |
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nixosCodeName = "Impala"; |
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codeName = "Impala"; |
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}; |
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# Generate /etc/os-release. See |
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@ -96,10 +96,10 @@ in |
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'' |
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NAME=NixOS |
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ID=nixos |
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VERSION="${config.system.nixosVersion} (${config.system.nixosCodeName})" |
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VERSION_CODENAME=${toLower config.system.nixosCodeName} |
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VERSION_ID="${config.system.nixosVersion}" |
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PRETTY_NAME="NixOS ${config.system.nixosVersion} (${config.system.nixosCodeName})" |
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VERSION="${cfg.version} (${cfg.codeName})" |
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VERSION_CODENAME=${toLower cfg.codeName} |
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VERSION_ID="${cfg.version}" |
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PRETTY_NAME="NixOS ${cfg.version} (${cfg.codeName})" |
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HOME_URL="https://nixos.org/" |
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SUPPORT_URL="https://nixos.org/nixos/support.html" |
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BUG_REPORT_URL="https://github.com/NixOS/nixpkgs/issues" |
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Jan Malakhovski
7 years ago