test

.gitea/workflows/deploy.yaml

@@ -16,13 +16,23 @@ jobs:
         uses: http://github.com/nix-community/cache-nix-action@v6
         with:
           # restore and save a cache using this key
-          primary-key: nix-${{ runner.os }}-
+          primary-key: nix-${{ 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 the 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
-          gc-max-store-size: 5G
+          # purge all versions of the cache
           purge-prefixes: nix-${{ runner.os }}-
-          purge-created: 60000
+          # created more than this number of seconds ago
+          purge-created: 0
+          # or, last accessed more than this number of seconds ago
+          # relative to the start of the `Post Restore and save Nix store` phase
+          purge-last-accessed: 0
+          # except any version with the key that is the same as the `primary-key`
           purge-primary-key: never
       - uses: actions/checkout@v4
       - name: Install SSH key