From 2b03164307e2b446ff4f1010a0b0a286c89986b9 Mon Sep 17 00:00:00 2001
From: trev <me@trev.xyz>
Date: Tue, 18 Mar 2025 22:05:36 -0400
Subject: [PATCH] feat: workflow caching

---
 .github/workflows/release.yml | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 83626ad..6e48ef7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,9 +16,27 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v31
+        uses: nixbuild/nix-quick-install-action@v30
+
+      - uses: nix-community/cache-nix-action@v6
         with:
-          nix_path: nixpkgs=channel:nixos-unstable
+          # restore and save a cache using this key
+          primary-key: nix-${{ runner.os }}-${{ hashFiles('**/*.nix', '**/flake.lock') }}
+          # if there's no cache hit, restore a cache by this prefix
+          restore-prefixes-first-match: nix-${{ runner.os }}-
+          # collect garbage until Nix store size (in bytes) is at most this number
+          # before trying to save a new cache
+          # 1G = 1073741824
+          gc-max-store-size-linux: 1G
+          # do purge caches
+          purge: true
+          # purge all versions of the cache
+          purge-prefixes: nix-${{ runner.os }}-
+          # created more than this number of seconds ago
+          # relative to the start of the `Post Restore and save Nix store` phase
+          purge-created: 0
+          # except any version with the key that is the same as the `primary-key`
+          purge-primary-key: never
         
       - name: Build
         run: nix develop --command ts-build