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| author | Graham Christensen <graham@grahamc.com> | 2018-10-05 10:48:42 -0400 |
|---|---|---|
| committer | Graham Christensen <graham@grahamc.com> | 2018-10-05 11:06:28 -0400 |
| commit | 4312cfdbda1855088905a3d9959a4fac362fd051 (patch) | |
| tree | fa5fcd7c6d2c18d583057b9ccf0f6f964565af2d /lib | |
| parent | 730dac1d7bccd4f4d540c780fc94133807757493 (diff) | |
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version.nix: extract revision-fetching function
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/trivial.nix | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/trivial.nix b/lib/trivial.nix index b1eea0bf1247..938df6ced476 100644 --- a/lib/trivial.nix +++ b/lib/trivial.nix @@ -105,6 +105,16 @@ rec { then lib.strings.fileContents suffixFile else "pre-git"; + # Attempt to get the revision nixpkgs is from + revisionWithDefault = default: + let + revisionFile = "${toString ./..}/.git-revision"; + gitRepo = "${toString ./..}/.git"; + in if lib.pathIsDirectory gitRepo + then lib.commitIdFromGitRepo gitRepo + else if lib.pathExists revisionFile then lib.fileContents revisionFile + else default; + nixpkgsVersion = builtins.trace "`lib.nixpkgsVersion` is deprecated, use `lib.version` instead!" version; # Whether we're being called by nix-shell. |