add GH publish docs profile

Author: jenschude

.github/workflows/release.yml

@@ -56,3 +56,5 @@ jobs:
       - name: "Perform release"
         run: |
           ./perform-release.sh
+        env:
+          GITHUB_TOKEN : ${{ secrets.GITHUB_TOKEN }}

perform-release.sh

@@ -33,4 +33,4 @@ CURRENT_BRANCH=`git rev-parse --abbrev-ref HEAD`
 git push origin ${CURRENT_BRANCH} --tags
 
 echo "Publish release javadoc  ${RELEASE_VERSION}"
-./mvnw javadoc:aggregate scm-publish:publish-scm -Ppublish-site,javadoc-jdk-8u121 --no-transfer-progress
+./mvnw javadoc:aggregate scm-publish:publish-scm -Pgh-publish-site,javadoc-jdk-8u121 --no-transfer-progress

pom.xml

@@ -599,6 +599,30 @@
                 </plugins>
             </build>
         </profile>
+        <profile>
+            <id>gh-publish-site</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <!--
+                        mvn clean javadoc:aggregate scm-publish:publish-scm -P publish-site
+                        -->
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-scm-publish-plugin</artifactId>
+                        <version>${maven-scm-publish-plugin.version}</version>
+                        <configuration>
+                            <checkoutDirectory>${project.build.directory}/javadoc-stage</checkoutDirectory>
+                            <checkinComment>publishing Javadoc for ${project.artifactId}:${project.version}
+                            </checkinComment>
+                            <content>${project.build.directory}/site</content>
+                            <skipDeletedFiles>false</skipDeletedFiles>
+                            <pubScmUrl>scm:git:https://oauth2:${env.GITHUB_TOKEN}@github.com/commercetools/commercetools-jvm-sdk.git</pubScmUrl>
+                            <scmBranch>gh-pages</scmBranch>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
         <profile>
             <id>javadoc-jdk-8u121</id>
             <activation>