[CI] Pack release build

This patch adds a step to conditionally pack pure sycl-toolchain for
release.

Author: KornevNikita

.github/workflows/sycl-linux-build.yml

@@ -46,7 +46,10 @@ on:
         default: 3
       e2e_binaries_artifact:
         type: string
-        required: False
+        required: false
+      pack_release:
+        type: string
+        required: false
 
     outputs:
       build_conclusion:
@@ -100,6 +103,10 @@ on:
         options:
           - 3
 
+      pack_release:
+        type: string
+        required: false
+
 permissions: read-all
 
 jobs:
@@ -215,7 +222,23 @@ jobs:
         # TODO consider moving this to Dockerfile.
         export LD_LIBRARY_PATH=/usr/local/cuda/compat/:/usr/local/cuda/lib64:$LD_LIBRARY_PATH
         LIT_OPTS="--allow-empty-runs" LIT_FILTER="e2e_test_requirements" cmake --build $GITHUB_WORKSPACE/build --target check-sycl
-    - name: Install
+    - name: Install sycl-toolchain
+      if: ${{ always() && !cancelled() && steps.build.conclusion == 'success' }}
+      run: |
+        cmake --build $GITHUB_WORKSPACE/build --target deploy-sycl-toolchain
+
+    - name: Pack toolchain release
+      if: ${{ always() && !cancelled() && steps.build.conclusion == 'success' && inputs.pack_release == 'true' }}
+      run: tar -I '${{ steps.artifact_info.outputs.COMPRESS }}' -cf ${{ steps.artifact_info.outputs.ARCHIVE_NAME }} -C $GITHUB_WORKSPACE/build/install .
+    - name: Upload toolchain release
+      if: ${{ always() && !cancelled() && steps.build.conclusion == 'success' && inputs.pack_release == 'true' }}
+      uses: actions/upload-artifact@v4
+      with:
+        name: sycl_linux_release
+        path: ${{ steps.artifact_info.outputs.ARCHIVE_NAME }}
+        retention-days: ${{ inputs.retention-days }}
+
+    - name: Install utilities
       if: ${{ always() && !cancelled() && steps.build.conclusion == 'success' }}
       # TODO replace utility installation with a single CMake target
       run: |