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system-version: get version information from channels

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This commit is contained in:
Andrew Childs 2019-01-19 15:02:46 +09:00
parent e812130e5d
commit 349a4837cf
1 changed files with 10 additions and 2 deletions
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12
modules/system/version.nix
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@ -12,6 +12,14 @@ let
releaseFile = "${toString pkgs.path}/.version";
revisionFile = "${toString pkgs.path}/.git-revision";
suffixFile = "${toString pkgs.path}/.version-suffix";
revision = if builtins.pathExists gitRepo then gitCommitId
else if builtins.pathExists revisionFile then fileContents revisionFile
else null;
versionSuffix = if builtins.pathExists gitRepo then ".git." + gitCommitId
else if builtins.pathExists suffixFile then fileContents suffixFile
else null;
in
{
@ -71,8 +79,8 @@ in
# These defaults are set here rather than up there so that
# changing them would not rebuild the manual
system.nixpkgsVersion = mkDefault (cfg.nixpkgsRelease + cfg.nixpkgsVersionSuffix);
system.nixpkgsRevision = mkIf (builtins.pathExists gitRepo) (mkDefault gitCommitId);
system.nixpkgsVersionSuffix = mkIf (builtins.pathExists gitRepo) (mkDefault (".git." + gitCommitId));
system.nixpkgsRevision = mkIf (revision != null) (mkDefault revision);
system.nixpkgsVersionSuffix = mkIf (versionSuffix != null) (mkDefault versionSuffix);
assertions = [ { assertion = cfg.stateVersion <= defaultStateVersion; message = "system.stateVersion = ${toString cfg.stateVersion}; is not a valid value"; } ];