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authorGraham Christensen <graham@grahamc.com>2018-10-05 10:48:42 -0400
committerGraham Christensen <graham@grahamc.com>2018-10-05 11:06:28 -0400
commit4312cfdbda1855088905a3d9959a4fac362fd051 (patch)
treefa5fcd7c6d2c18d583057b9ccf0f6f964565af2d /nixos/modules/misc/version.nix
parent730dac1d7bccd4f4d540c780fc94133807757493 (diff)
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version.nix: extract revision-fetching function
Diffstat (limited to 'nixos/modules/misc/version.nix')
-rw-r--r--nixos/modules/misc/version.nix5
1 files changed, 1 insertions, 4 deletions
diff --git a/nixos/modules/misc/version.nix b/nixos/modules/misc/version.nix
index c593adcdae6..6d78b7c593f 100644
--- a/nixos/modules/misc/version.nix
+++ b/nixos/modules/misc/version.nix
@@ -5,7 +5,6 @@ with lib;
 let
   cfg = config.system.nixos;
 
-  revisionFile = "${toString pkgs.path}/.git-revision";
   gitRepo      = "${toString pkgs.path}/.git";
   gitCommitId  = lib.substring 0 7 (commitIdFromGitRepo gitRepo);
 in
@@ -37,9 +36,7 @@ in
     nixos.revision = mkOption {
       internal = true;
       type = types.str;
-      default = if pathIsDirectory gitRepo then commitIdFromGitRepo gitRepo
-                else if pathExists revisionFile then fileContents revisionFile
-                else "master";
+      default = lib.trivial.revisionWithDefault "master";
       description = "The Git revision from which this NixOS configuration was built.";
     };