Setup maven staging to OSSRH (Maven Central)

.travis.yml

@@ -15,11 +15,21 @@ before_install:
     fi
 
 install:
-  - mvn install -DskipTests=true -B -V -Psign -Dgpg.passphrase=$GPG_PASSPHRASE
+  - mvn deploy -B -V -DskipTests -Dgpg.passphrase=$GPG_PASSPHRASE -Psign --settings settings.xml
 
 script:
   - mvn test -B
 
+after_success:
+  - if [ -n "$TRAVIS_TAG" ]; then
+      mvn nexus-staging:release --settings settings.xml;
+    fi
+
+after_failure:
+  - if [ -n "$TRAVIS_TAG" ]; then
+      mvn nexus-staging:drop --settings settings.xml;
+    fi
+
 deploy:
   provider: releases
   api_key:

pom.xml

@@ -35,6 +35,17 @@
         <developerConnection>scm:git:[email protected]:juliaaano/payload.git</developerConnection>
     </scm>
 
+    <distributionManagement>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+    </distributionManagement>
+
     <properties>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
@@ -185,6 +196,17 @@
                 </executions>
             </plugin>
 
+            <plugin>
+                <groupId>org.sonatype.plugins</groupId>
+                <artifactId>nexus-staging-maven-plugin</artifactId>
+                <version>1.6.8</version>
+                <extensions>true</extensions>
+                <configuration>
+                    <serverId>ossrh</serverId>
+                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+                </configuration>
+            </plugin>
+
         </plugins>
 
     </build>

settings.xml

@@ -0,0 +1,12 @@
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
+                          https://maven.apache.org/xsd/settings-1.0.0.xsd">
+    <servers>
+        <server>
+            <id>ossrh</id>
+            <username>${env.OSSRH_USERNAME}</username>
+            <password>${env.OSSRH_PASSWORD}</password>
+        </server>
+    </servers>
+</settings>