From b2735ceb82da4fd84abffb112e2c2fb3447140ee Mon Sep 17 00:00:00 2001
From: Jack Chakany <jack@chakany.systems>
Date: Fri, 11 Sep 2026 21:53:23 +0200
Subject: [PATCH] Cache Linux Nix CI builds

---
 .github/workflows/nix.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 5399336c..635c395c 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -40,6 +40,15 @@ jobs:
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Cache Linux Nix builds
+        if: runner.os == 'Linux'
+        timeout-minutes: 3
+        uses: DeterminateSystems/magic-nix-cache-action@84c0677f58dcedf3b91f8223ce36a9ea5b3c84b7
+        with:
+          use-gha-cache: enabled
+          use-flakehub: disabled
+          diagnostic-endpoint: ""
+
       - name: Check flake
         run: nix flake check --no-update-lock-file --print-build-logs