WIP: better hatch matrix in GH workflow

Author: ketozhang

.github/workflows/test.v2.yaml

@@ -8,13 +8,31 @@ on:
   workflow_dispatch:
 
 jobs:
+  define-matirx:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Set matrix
+      id: set-matrix
+      run: |
+        python -m pip install hatch
+        {
+          echo 'hatchenv<<EOF'
+          echo $(hatch env show --json | jq -r 'to_entries[] | select(.key | startswith("test")) | .key')
+          echo 'EOF'
+        } >> "$GITHUB_OUTPUT"
+
   test:
 
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        env: ${{fromJson(needs.define-matirx.outputs.hatchenv)}}
 
     steps:
     - uses: actions/checkout@v3
@@ -24,7 +42,6 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install Python dependencies
       run: |
-        python -m pip install --upgrade pip
         python -m pip install hatch
     - name: Pytest
-      run: hatch -v run +py=${{ matrix.python-version }} test:test
+      run: hatch -v run ${{ matrix.env }}:test