fix(ci): don't save a cache on hit

nix-community · May 2, 2024 · 1d257c1 · 1d257c1
1 parent c895115
commit 1d257c1
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Showing 3 changed files with 57 additions and 33 deletions.
diff --git a/.github/workflows/buildjet-ci.yaml b/.github/workflows/buildjet-ci.yaml
@@ -102,23 +102,14 @@ jobs:
 
       - uses: nixbuild/nix-quick-install-action@v28
 
-      - name: Restore and save Nix store - ${{ matrix.id }}
-        uses: ./.
+      - name: Restore Nix store - ${{ matrix.id }}
+        id: restore
+        uses: ./restore
         with:
           # save a new cache every time `ci.yaml` changes
           primary-key: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}-${{ hashFiles('.github/workflows/ci.yaml') }}
           # otherwise, restore a common cache if and only if it matches the current `ci.yaml`
           restore-prefixes-first-match: similar-cache-${{ matrix.os }}-common-${{ hashFiles('.github/workflows/ci.yaml') }}
-          # do purge caches
-          purge: true
-          # purge all versions of the cache
-          purge-prefixes: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}-
-          # created more than 0 seconds ago relative to the start of the `Post Restore` phase
-          purge-created: 0
-          # except the version with the `primary-key`, if it exists
-          purge-primary-key: never
-          # use BuildJet backend
-          backend: buildjet
 
       - name: Pin nixpkgs
         run: ${{ env.pin_nixpkgs }}
@@ -131,6 +122,23 @@ jobs:
         if: ${{ matrix.id == 2 }}
         run: nix profile install nixpkgs#nodejs
 
+      - name: Save Nix store - ${{ matrix.id }}
+        if: steps.restore.outputs.hit == 'false'
+        uses: ./save
+        with:
+          # save a new cache every time `ci.yaml` changes
+          primary-key: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}-${{ hashFiles('.github/workflows/ci.yaml') }}
+          # do purge caches
+          purge: true
+          # purge all versions of the cache
+          purge-prefixes: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}-
+          # created more than 0 seconds ago relative to the start of the `Post Restore` phase
+          purge-created: 0
+          # except the version with the `primary-key`, if it exists
+          purge-primary-key: never
+          # use BuildJet backend
+          backend: buildjet
+
   # Merge similar `individual` caches
   # Purge `individual` caches and old `common` caches
   # Save new `common` caches

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -110,21 +110,14 @@ jobs:
 
       - uses: nixbuild/nix-quick-install-action@v28
 
-      - name: Restore and save Nix store - ${{ matrix.id }}
-        uses: ./.
+      - name: Restore Nix store - ${{ matrix.id }}
+        id: restore
+        uses: ./restore
         with:
           # save a new cache every time `ci.yaml` changes
           primary-key: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}-${{ hashFiles('.github/workflows/ci.yaml') }}
           # otherwise, restore a common cache if and only if it matches the current `ci.yaml`
           restore-prefixes-first-match: similar-cache-${{ matrix.os }}-common-${{ hashFiles('.github/workflows/ci.yaml') }}
-          # do purge caches
-          purge: true
-          # purge all versions of the cache
-          purge-prefixes: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}-
-          # created more than 0 seconds ago relative to the start of the `Post Restore` phase
-          purge-created: 0
-          # except the version with the `primary-key`, if it exists
-          purge-primary-key: never
 
       - name: Pin nixpkgs
         run: ${{ env.pin_nixpkgs }}
@@ -137,6 +130,21 @@ jobs:
         if: ${{ matrix.id == 2 }}
         run: nix profile install nixpkgs#nodejs
 
+      - name: Save Nix store - ${{ matrix.id }}
+        if: steps.restore.outputs.hit == 'false'
+        uses: ./save
+        with:
+          # save a new cache every time `ci.yaml` changes
+          primary-key: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}-${{ hashFiles('.github/workflows/ci.yaml') }}
+          # do purge caches
+          purge: true
+          # purge all versions of the cache
+          purge-prefixes: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}-
+          # created more than 0 seconds ago relative to the start of the `Post Restore` phase
+          purge-created: 0
+          # except the version with the `primary-key`, if it exists
+          purge-primary-key: never
+
   # Merge similar `individual` caches
   # Purge `individual` caches and old `common` caches
   # Save new `common` caches

diff --git a/nix/ci.nix b/nix/ci.nix
@@ -143,22 +143,14 @@ in
 
         ${indent 6 nix-quick-install-action}
 
-        - name: Restore and save Nix store - ''${{ matrix.id }}
-          uses: ./.
+        - name: Restore Nix store - ''${{ matrix.id }}
+          id: restore
+          uses: ./restore
           with:
             # save a new cache every time `ci.yaml` changes
             primary-key: similar-cache-''${{ matrix.os }}-individual-''${{ matrix.id }}-''${{ hashFiles('.github/workflows/ci.yaml') }}
             # otherwise, restore a common cache if and only if it matches the current `ci.yaml`
             restore-prefixes-first-match: similar-cache-''${{ matrix.os }}-common-''${{ hashFiles('.github/workflows/ci.yaml') }}
-            # do purge caches
-            purge: true
-            # purge all versions of the cache
-            purge-prefixes: similar-cache-''${{ matrix.os }}-individual-''${{ matrix.id }}-
-            # created more than 0 seconds ago relative to the start of the `Post Restore` phase
-            purge-created: 0
-            # except the version with the `primary-key`, if it exists
-            purge-primary-key: never
-            ${indent 10 backend_}
 
         - name: Pin nixpkgs
           run: ''${{ env.pin_nixpkgs }}
@@ -170,6 +162,22 @@ in
         - name: Install nixpkgs#nodejs
           if: ''${{ matrix.id == 2 }}
           run: nix profile install nixpkgs#nodejs
+          
+        - name: Save Nix store - ''${{ matrix.id }}
+          if: steps.restore.outputs.hit == 'false'
+          uses: ./save
+          with:
+            # save a new cache every time `ci.yaml` changes
+            primary-key: similar-cache-''${{ matrix.os }}-individual-''${{ matrix.id }}-''${{ hashFiles('.github/workflows/ci.yaml') }}
+            # do purge caches
+            purge: true
+            # purge all versions of the cache
+            purge-prefixes: similar-cache-''${{ matrix.os }}-individual-''${{ matrix.id }}-
+            # created more than 0 seconds ago relative to the start of the `Post Restore` phase
+            purge-created: 0
+            # except the version with the `primary-key`, if it exists
+            purge-primary-key: never
+            ${indent 10 backend_}
 ''
 + (
   let