Support prerelease

.github/workflows/ci-build.yml

@@ -61,6 +61,7 @@ jobs:
       run: |
         should_release=false
         release_is_draft=false
+        release_is_prerelease=false
 
         if [ "${{ github.ref }}" == 'refs/heads/main' ]
         then
@@ -69,10 +70,17 @@ jobs:
         then
             should_release=true
             release_is_draft=true
+
+            if [ "${{ github.event_name }}" == "pull_request" ]
+            then
+              release_is_draft=false
+              release_is_prerelease=true
+            fi
         fi
 
         echo "should_release=${should_release}" >> $GITHUB_ENV
         echo "release_is_draft=${release_is_draft}" >> $GITHUB_ENV
+        echo "release_is_prerelease=${release_is_prerelease}" >> $GITHUB_ENV
 
     - name: Determine package publishing
       id: should_publish
@@ -115,6 +123,7 @@ jobs:
       should_publish: ${{ env.should_publish }}
       should_release: ${{ env.should_release }}
       release_is_draft: ${{ env.release_is_draft }}
+      release_is_prerelease: ${{ env.release_is_prerelease }}
 
   ##########################################################
   ## Build DotNet projects
@@ -229,6 +238,7 @@ jobs:
         name: Release ${{ needs.setup.outputs.assembly_version }}
         body: ${{ steps.build_changelog.outputs.changelog }}
         draft: ${{ needs.setup.outputs.release_is_draft }}
+        prerelease: ${{ needs.setup.outputs.release_is_prerelease }}
         removeArtifacts: true
         artifacts: '**/*.nupkg'