Make GitHub Actions CI cache checks also check for the metadata.

.github/workflows/ci.yml

@@ -406,11 +406,17 @@ jobs:
 
           # Show what's in the cache.
           ls subject-new/target/semver-checks/cache/
-          EXPECTED_CACHED_RUSTDOC='subject-new/target/semver-checks/cache/libp2p_core-0_37_0-ccce455725cbab73.json'
+          EXPECTED_PREFIX='subject-new/target/semver-checks/cache/libp2p_core-0_37_0-ccce455725cbab73'
+          EXPECTED_CACHED_METADATA="${EXPECTED_PREFIX}.metadata.json"
+          EXPECTED_CACHED_RUSTDOC="${EXPECTED_PREFIX}.json"
 
-          # Ensure the previous cached rustdoc file still exists.
+          # Ensure the previous cached rustdoc and metadata files still exist.
+          [ -f "$EXPECTED_CACHED_METADATA" ] || { \
+            echo "could not find libp2p-core metadata cache file"; \
+            exit 1;
+          }
           [ -f "$EXPECTED_CACHED_RUSTDOC" ] || { \
-            echo "could not find libp2p-core cache file"; \
+            echo "could not find libp2p-core rustdoc cache file"; \
             exit 1;
           }
 
@@ -527,20 +533,30 @@ jobs:
           ls subject/target/semver-checks/cache/
 
           # The previous cached rustdoc should continue to exist.
-          if [ -f subject/target/semver-checks/cache/serde-1_0_162-5900ebf8bb9b9f8b.json ]; then
-            exit 0
-          else
+          PREVIOUS_PREFIX='subject/target/semver-checks/cache/serde-1_0_162-5900ebf8bb9b9f8b'
+          PREVIOUS_RUSTDOC="${PREVIOUS_PREFIX}.json"
+          PREVIOUS_METADATA="${PREVIOUS_PREFIX}.metadata.json"
+          if [ ! -f "$PREVIOUS_RUSTDOC" ]; then
             echo "Older rustdoc JSON not found in cache!"
             exit 1
           fi
+          if [ ! -f "$PREVIOUS_METADATA" ]; then
+            echo "Older metadata file not found in cache!"
+            exit 1
+          fi
 
           # There should also be a new cached rustdoc file for the new feature settings.
-          if [ -f subject/target/semver-checks/cache/serde-1_0_162-6999ae87ca463ab3.json ]; then
-            exit 0
-          else
+          NEW_PREFIX='subject/target/semver-checks/cache/serde-1_0_162-6999ae87ca463ab3'
+          NEW_RUSTDOC="${NEW_PREFIX}.json"
+          NEW_METADATA="${NEW_PREFIX}.metadata.json"
+          if [ ! -f "$NEW_RUSTDOC" ]; then
             echo "New rustdoc JSON for new feature combo not found in cache!"
             exit 1
           fi
+          if [ ! -f "$NEW_METADATA" ]; then
+            echo "New metadata file for new feature combo not found in cache!"
+            exit 1
+          fi
 
       - name: Cleanup
         run: |