Archive the commit SHA used to package the VSIX

Eventually will be used downstream to tag releases
Also setup PR job to package the VSIX and run tests against it so we can
test against that in verifier jobs as well

Author: award999

.github/workflows/nightly.yml

@@ -32,6 +32,7 @@ jobs:
             echo "Created bundle $name"
             mv "$file" "$name"
           done
+          git rev-parse HEAD > vscode-swift-sha.txt
       - name: Archive production artifacts
         id: archive
         uses: actions/upload-artifact@v4
@@ -41,6 +42,7 @@ jobs:
           name: vscode-swift-extension
           path: |
             *.vsix
+            vscode-swift-sha.txt
 
   tests_release:
     name: Test Release

.github/workflows/pull_request.yml

@@ -5,9 +5,48 @@ on:
     types: [opened, reopened, synchronize]
 
 jobs:
+  package:
+    name: Package Extension
+    runs-on: ubuntu-latest
+    container:
+      image: swift:6.0-jammy
+    outputs:
+      artifact-id: ${{ steps.archive.outputs.artifact-id }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Build Extension
+        run: |
+          export NODE_VERSION=v20.18.2
+          export NODE_PATH=/usr/local/nvm/versions/node/v20.18.2/bin
+          export NVM_DIR=/usr/local/nvm
+          . .github/workflows/scripts/setup-linux.sh
+          [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+          npm ci
+          npm run compile
+          npm run package
+          npm run preview-package
+          for file in *.vsix; do
+            name="$(basename "$file" .vsix)-${{github.run_number}}.vsix"
+            echo "Created bundle $name"
+            mv "$file" "$name"
+          done
+          git rev-parse HEAD > vscode-swift-sha.txt
+      - name: Archive production artifacts
+        id: archive
+        uses: actions/upload-artifact@v4
+        if: ${{ env.ACT != 'true' }}
+        with:
+          if-no-files-found: error
+          name: vscode-swift-extension
+          path: |
+            *.vsix
+            vscode-swift-sha.txt
+
   tests:
     name: ${{ contains(github.event.pull_request.labels.*.name, 'full-test-run') && 'Full Test Run' || 'Test'}}
     uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+    needs: package
     with:
       # Linux
       linux_exclude_swift_versions: '[{"swift_version": "nightly-6.1"},{"swift_version": "nightly-main"}]'
@@ -17,13 +56,18 @@ jobs:
         NVM_DIR=/usr/local/nvm
         CI=1
         FAST_TEST_RUN=${{ contains(github.event.pull_request.labels.*.name, 'full-test-run') && '0' || '1'}}
+        VSCODE_SWIFT_VSIX_ID=${{needs.package.outputs.artifact-id}}
+        GITHUB_REPOSITORY=${{github.repository}}
       linux_pre_build_command: . .github/workflows/scripts/setup-linux.sh
       linux_build_command: ./scripts/test.sh
       # Windows
       windows_exclude_swift_versions: '[{"swift_version": "nightly-6.1"},{"swift_version": "nightly"}]'
       windows_env_vars: |
         CI=1
         FAST_TEST_RUN=${{ contains(github.event.pull_request.labels.*.name, 'full-test-run') && '0' || '1'}}
+        VSCODE_SWIFT_VSIX_ID=${{needs.package.outputs.artifact-id}}
+        VSCODE_SWIFT_VSIX=vscode-swift.vsix
+        GITHUB_REPOSITORY=${{github.repository}}
       windows_pre_build_command: .github\workflows\scripts\windows\install-nodejs.ps1
       windows_build_command: scripts\test_windows.ps1
       enable_windows_docker: false