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authorVincent Ambo <mail@tazj.in>2021-08-12T13·15+0300
committertazjin <mail@tazj.in>2021-08-12T13·45+0000
commitfc94800227d7331231830b867bd1d3d5df533f4d (patch)
tree151223daa1fe1661b9ed7d519ff631a721eeedb5 /third_party/nixpkgs
parent79c9506eea638cd04ef2b0a87596cc388d13f41a (diff)
feat(3p/nixpkgs): Expose nixpkgs commit hashes r/2720
This makes it possible to use the hashes in things that should, for
example, be keyed on the nixpkgs version (such as cache-folders for
Nixery).

Change-Id: I500d13a4d96b0c28fcf6ca383d2a86515565da36
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3341
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Diffstat (limited to 'third_party/nixpkgs')
-rw-r--r--third_party/nixpkgs/default.nix9
1 files changed, 9 insertions, 0 deletions
diff --git a/third_party/nixpkgs/default.nix b/third_party/nixpkgs/default.nix
index fa42b5bb7b6d..eb3c1ca86cea 100644
--- a/third_party/nixpkgs/default.nix
+++ b/third_party/nixpkgs/default.nix
@@ -49,10 +49,19 @@ let
   stableOverlay = self: super: {
     # nothing picked from stable currently
   };
+
+  # Overlay to expose the nixpkgs commits we are using to other Nix code.
+  commitsOverlay = _: _: {
+    nixpkgsCommits = {
+      unstable = unstableHashes.commit;
+      stable = stableHashes.commit;
+    };
+  };
 in import nixpkgsSrc {
   config.allowUnfree = true;
   config.allowBroken = true;
   overlays = [
+    commitsOverlay
     stableOverlay
     depot.third_party.overlays.tvl
     depot.third_party.overlays.haskell