deploy mystical actions matrix matching logic

break out separate shards for specific named features, but only for the top-level workspace

Author: cosmicexplorer

.github/workflows/ci.yaml

@@ -28,8 +28,6 @@ jobs:
         feature_flag:
         - "--all-features"
         - "--no-default-features"
-        - "--no-default-features --features deflate-flate2-zlib-rs"
-        - "--no-default-features --features deflate-zopfli"
         - ""
         include:
         - rustalias: stable
@@ -38,6 +36,11 @@ jobs:
           rust: '1.83'
         - rustalias: nightly
           rust: nightly
+        # Break out a separate test shard for specific dependencies on their own.
+        - feature_flag: "--no-default-features --features deflate-flate2-zlib-rs"
+          workspace: 'Cargo.toml'
+        - feature_flag: "--no-default-features --features deflate-zopfli"
+          workspace: 'Cargo.toml'
     name: 'Build and test ${{ matrix.feature_flag }}: ${{ matrix.os }}, ${{ matrix.rustalias }}'
     runs-on: ${{ matrix.os }}
     steps:
@@ -54,9 +57,13 @@ jobs:
         feature_flag:
         - "--all-features"
         - "--no-default-features"
-        - "--no-default-features --features deflate-flate2-zlib-rs"
-        - "--no-default-features --features deflate-zopfli"
         - ""
+        include:
+          # Break out a separate test shard for specific dependencies on their own.
+        - feature_flag: "--no-default-features --features deflate-flate2-zlib-rs"
+          workspace: 'Cargo.toml'
+        - feature_flag: "--no-default-features --features deflate-zopfli"
+          workspace: 'Cargo.toml'
     name: 'Miri ${{ matrix.feature_flag }}'
     runs-on: ubuntu-latest
     steps: