Refactor current CI workflow into composable jobs

.github/actions/setup-build/action.yml

@@ -0,0 +1,28 @@
+name: "Setup build environment"
+description: "Setup the build environment. An action so that it can be shared between in-tree/out-of-tree jobs"
+
+runs:
+  using: "composite"
+  steps:
+  - name: Set up Python
+    uses: actions/setup-python@v2
+    with:
+      python-version: 3.9
+  - name: Install MLIR Python depends
+    run: |
+      python -m pip install -r $GITHUB_WORKSPACE/externals/llvm-project/mlir/python/requirements.txt
+    shell: bash
+  - name: Install PyTorch nightly depends
+    run: |
+      python -m pip install -r requirements.txt
+    shell: bash
+  - name: Install Ninja
+    uses: llvm/actions/install-ninja@55d844821959226fab4911f96f37071c1d4c3268
+  - name: Get Submodule Hash
+    id: get-submodule-hash
+    run: echo "::set-output name=hash::$(md5sum $(git submodule status))"
+    shell: bash
+  - name: Ccache for C++ compilation
+    uses: hendrikmuhs/ccache-action@4687d037e4d7cf725512d9b819137a3af34d39b3
+    with:
+      key: ${{ runner.os }}-clangreleaseasserts-${{ steps.get-submodule-hash.outputs.hash }}

.github/workflows/buildAndTest.yml

@@ -19,30 +19,11 @@ jobs:
     name: Build and Test (Release Asserts)
     runs-on: ubuntu-20.04
     steps:
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.9
     - name: Get torch-mlir
       uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - name: Install MLIR Python depends
-      run: |
-        python -m pip install -r $GITHUB_WORKSPACE/externals/llvm-project/mlir/python/requirements.txt
-    - name: Install PyTorch nightly depends
-      run: |
-        python -m pip install -r requirements.txt
-    - name: Install Ninja
-      uses: llvm/actions/install-ninja@55d844821959226fab4911f96f37071c1d4c3268
-    - name: Get Submodule Hash
-      id: get-submodule-hash
-      run: echo "::set-output name=hash::$(md5sum $(git submodule status))"
-      shell: bash
-    - name: Ccache for C++ compilation
-      uses: hendrikmuhs/ccache-action@4687d037e4d7cf725512d9b819137a3af34d39b3
-      with:
-        key: ${{ runner.os }}-clangreleaseasserts-${{ steps.get-submodule-hash.outputs.hash }}
+    - uses: ./.github/actions/setup-build
     - name: Build and Test torch-mlir (Assert)
       run: |
         cd $GITHUB_WORKSPACE
@@ -85,11 +66,10 @@ jobs:
           TORCH_MLIR_PYTHON_PACKAGE_VERSION="${{ github.event.inputs.python_package_version }}" \
           ./build_tools/build_python_wheels.sh
 
-    # If we were given a release_id, then upload the package we just built
-    # to the github releases page.
+    # upload the package we just built to the github releases page.
     - name: Upload Release Assets (if requested)
-      if: github.event.inputs.release_id != ''
       id: upload-release-assets
+      if: github.event.inputs.release_id != ''
       uses: dwenegar/upload-release-assets@v1
       env:
         GITHUB_TOKEN: ${{ secrets.WORKFLOW_INVOCATION_TOKEN }}
@@ -99,8 +79,8 @@ jobs:
     # Publishing is necessary to make the release visible to `pip`
     # on the github releases page.
     - name: Publish Release (if requested)
-      if: github.event.inputs.release_id != ''
       id: publish_release
+      if: github.event.inputs.release_id != ''
       uses: eregon/publish-release@v1
       env:
         GITHUB_TOKEN: ${{ secrets.WORKFLOW_INVOCATION_TOKEN }}