remove release creation step

Author: vladak

.github/workflows/release.yml

@@ -47,23 +47,18 @@ jobs:
       run: ./dev/before
     - name: Build
       run: ./mvnw -DskipTests=true -Dmaven.javadoc.skip=false -B -V package
-    - name: Create Release
-      id: create_release
-      uses: actions/create-release@v1
+    - name: Get upload URL
+      id: get_upload_url
       env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        tag_name: ${{ github.ref }}
-        release_name: ${{ github.ref }}
-        draft: false
-        prerelease: false
+        OPENGROK_TAG: ${{ needs.get_tag.outputs.tag }}
+      run: dev/get_upload_url.sh
     - name: Upload release tarball
       id: upload-release-asset
       uses: actions/upload-release-asset@v1
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
-        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        upload_url: ${{ steps.get_upload_url.outputs.upload_url }}
         asset_path: ./distribution/target/opengrok-${{ needs.get_tag.outputs.tag }}.tar.gz
         asset_name: opengrok-${{ needs.get_tag.outputs.tag }}.tar.gz
         asset_content_type: application/octet-stream

dev/get_upload_url.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+#
+# The purpose of this script is to retrieve upload URL for OpenGrok release given by the tag
+# stored in the OPENGROK_TAG environment variable.
+# The value is stored in a special file consumed by Github action so that it can be used
+# to upload assets to the related OpenGrok release on Github.
+#
+
+echo "Getting upload URL for $OPENGROK_TAG"
+upload_url=$( curl -s https://api.github.com/repos/oracle/opengrok/releases/$OPENGROK_TAG | jq -r .upload_url )
+echo "Got $upload_url"
+echo "upload_url=$upload_url" >> $GITHUB_OUTPUT"