chore(workflow): improve pricing workflow

- indent pricing manifest to make reviewing changes possible
- only create pricing pr if non manifest change found

.github/workflows/aws-arch-pricing.yml

@@ -30,10 +30,16 @@ jobs:
           pnpm projen post-compile
           pnpm jest --updateSnapshot
           pnpm projen package
-      - id: create_patch
-        name: Find mutations
+      - id: mutation_check
+        name: Find Mutations
+        # ignore diff if only the pricing manifest json was modified
         run: |-
           git add .
+          git diff --staged --name-only --exit-code -- ':!packages/aws-arch/static/aws-pricing-manifest.json' || echo "::set-output name=has_mutations::true"
+      - if: steps.mutation_check.outputs.has_mutations
+        id: create_patch
+        name: Create Patch
+        run: |-
           git diff --staged --patch --exit-code > .repo.patch || echo "::set-output name=patch_created::true"
       - if: steps.create_patch.outputs.patch_created
         name: Upload patch

packages/aws-arch/scripts/aws-arch/fetch-pricing-manifest.ts

@@ -14,10 +14,8 @@
  See the License for the specific language governing permissions and
  limitations under the License.
  ******************************************************************************************************************** */
-import * as path from 'path';
-import * as util from 'util';
-import * as stream from 'stream';
-import * as fs from 'fs-extra';
+import * as path from 'node:path';
+import * as fs from 'node:fs/promises';
 import fetch from 'node-fetch';
 
 const URL = 'https://d1qsjq9pzbk1k6.cloudfront.net/manifest/en_US.json';
@@ -31,6 +29,7 @@ const FILEPATH = path.join(__dirname, '..', '..', 'static', 'aws-pricing-manifes
     console.debug(response);
     throw new Error(`Failed to download pricing manifest: ${response.statusText} - ${response.statusText}`);
   }
-  await util.promisify(stream.pipeline)(response.body, fs.createWriteStream(FILEPATH));
+  const jsonData = await response.json();
+  await fs.writeFile(FILEPATH, JSON.stringify(jsonData, null, 2));
   console.info('Done - pricing manifest fetched')
 })();