Reorder build to try to make cache work

.github/workflows/build.yml

@@ -13,11 +13,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - id: go-cache-paths
-        run: |
-          echo "::set-output name=go-build::$(go env GOCACHE)"
-          echo "::set-output name=go-mod::$(go env GOMODCACHE)"
-
       - uses: actions/checkout@v2
         with:
           fetch-depth: 2
@@ -33,6 +28,24 @@ jobs:
             integration_test/
             config-example.yaml
 
+      - uses: actions/cache@v3
+        if: steps.changed-files.outputs.any_changed == 'true'
+        with:
+          path: |
+            /nix
+          key: ${{ runner.os }}-nix-${{ hashFiles('**/flake.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-nix-
+
+      - uses: cachix/install-nix-action@v16
+        if: steps.changed-files.outputs.any_changed == 'true'
+
+      - id: go-cache-paths
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: |
+          echo "::set-output name=go-build::$(nix develop --command -- go env GOCACHE)"
+          echo "::set-output name=go-mod::$(nix develop --command -- go env GOMODCACHE)"
+
       - name: Go Build Cache
         uses: actions/cache@v3
         if: steps.changed-files.outputs.any_changed == 'true'
@@ -43,25 +56,14 @@ jobs:
             ${{ runner.os }}-go-build-
 
       - name: Go Mod Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
+        if: steps.changed-files.outputs.any_changed == 'true'
         with:
           path: ${{ steps.go-cache-paths.outputs.go-mod }}
           key: ${{ runner.os }}-go-mod-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go-mod-
 
-      - uses: cachix/install-nix-action@v16
-        if: steps.changed-files.outputs.any_changed == 'true'
-
-      - uses: actions/cache@v3
-        if: steps.changed-files.outputs.any_changed == 'true'
-        with:
-          path: |
-            /nix
-          key: ${{ runner.os }}-nix-${{ hashFiles('**/flake.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-nix-
-
       - name: Run build
         if: steps.changed-files.outputs.any_changed == 'true'
         run: nix build