fix: remove unnecessary nexus-staging-maven-plugin activation (googleapis#1665)

Author: suztomo

appengine/pom.xml

@@ -23,10 +23,6 @@
     <sourceDirectory>java</sourceDirectory>
     <testSourceDirectory>javatests</testSourceDirectory>
     <plugins>
-      <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>

bom/pom.xml

@@ -68,18 +68,22 @@
   </dependencyManagement>
 
   <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.sonatype.plugins</groupId>
+          <artifactId>nexus-staging-maven-plugin</artifactId>
+          <version>1.7.0</version>
+          <extensions>true</extensions>
+          <configuration>
+            <serverId>ossrh</serverId>
+            <nexusUrl>https://google.oss.sonatype.org/</nexusUrl>
+            <autoReleaseAfterClose>false</autoReleaseAfterClose>
+          </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
     <plugins>
-      <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
-        <version>1.7.0</version>
-        <extensions>true</extensions>
-        <configuration>
-          <serverId>ossrh</serverId>
-          <nexusUrl>https://google.oss.sonatype.org/</nexusUrl>
-          <autoReleaseAfterClose>false</autoReleaseAfterClose>
-        </configuration>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
@@ -109,6 +113,48 @@
   </build>
 
   <profiles>
+    <profile>
+      <!-- By default, we release artifacts to Sonatype, which requires
+          nexus-staging-maven-plugin. -->
+      <id>release-sonatype</id>
+      <activation>
+        <property>
+          <!-- Only when we use the release-gcp-artifact-registry profile,
+          which comes with artifact-registry-url property, this profile is
+          turned off. -->
+          <name>!artifact-registry-url</name>
+        </property>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.sonatype.plugins</groupId>
+            <artifactId>nexus-staging-maven-plugin</artifactId>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+    <profile>
+      <!-- Optionally, we can publish the artifacts to GCP Artifact Registry specifying
+          this release-gcp-artifact-registry profile:
+          mvn deploy -P=release-gcp-artifact-registry -P=-release-sonatype \
+              -Dartifact-registry-url=artifactregistry://us-maven.pkg.dev/...
+          -->
+      <id>release-gcp-artifact-registry</id>
+      <properties>
+        <artifact-registry-url>artifactregistry://undefined-artifact-registry-url-value</artifact-registry-url>
+      </properties>
+      <distributionManagement>
+        <repository>
+          <id>gcp-artifact-registry-repository</id>
+          <url>${artifact-registry-url}</url>
+        </repository>
+        <snapshotRepository>
+          <id>gcp-artifact-registry-repository</id>
+          <url>${artifact-registry-url}</url>
+        </snapshotRepository>
+      </distributionManagement>
+    </profile>
     <profile>
       <id>release-sign-artifacts</id>
       <activation>

credentials/pom.xml

@@ -22,10 +22,6 @@
     <sourceDirectory>java</sourceDirectory>
     <testSourceDirectory>javatests</testSourceDirectory>
     <plugins>
-      <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>

oauth2_http/pom.xml

@@ -99,10 +99,6 @@
           </execution>
         </executions>
       </plugin>
-      <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>

pom.xml

@@ -201,6 +201,8 @@
     <pluginManagement>
       <plugins>
         <plugin>
+          <!-- nexus-staging-maven-plugin is activated by the release-sonatype
+             profile defined in native-image-shared-config -->
           <groupId>org.sonatype.plugins</groupId>
           <artifactId>nexus-staging-maven-plugin</artifactId>
           <version>1.7.0</version>
@@ -283,10 +285,6 @@
           <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
-      <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>