Add check for release

Author: leet4tari

.github/workflows/matrix-test.yml

@@ -12,9 +12,9 @@ jobs:
   create-release:
     name: create-release
     runs-on: ubuntu-latest
-    env:
+#    env:
       # Set to force version number, e.g., when no tag exists.
-      LEET_VERSION: TEST-0.0.3
+#      LEET_VERSION: TEST-0.0.4
     outputs:
       upload_url: ${{ steps.release.outputs.upload_url }}
       leet_version: ${{ env.LEET_VERSION }}
@@ -113,7 +113,10 @@ jobs:
         with:
           use-cross: ${{ matrix.builds.cross }}
           command: build
-          args: --release --target ${{ matrix.builds.target }} ${{ matrix.builds.target_bins }}
+          # args: --release --target ${{ matrix.builds.target }} ${{ matrix.builds.target_bins }}
+          args: >
+            --release --target ${{ matrix.builds.target }}
+            ${{ matrix.builds.target_bins }}
 
       - name: Artifact upload
         uses: actions/upload-artifact@v2
@@ -122,6 +125,7 @@ jobs:
           path: target/${{ matrix.builds.target }}/release/cross-compile-sample
 
       - name: Upload release archive
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
         uses: softprops/action-gh-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}