Use maven-release-plugin (#29)

Author: nakamura-to

RELEASE_OPERATIONS.md

@@ -1,38 +1,18 @@
 # Release Operations
 
-## Set the release version
+## Update the release version
 
-Run the Maven `version:set` goal:
+Run the Maven `release:prepare` goal:
 
 ```
 $ git checkout master
 $ git pull
-$ ./mvnw versions:set
+$ ./mvnw --batch-mode -DdryRun=true -DreleaseVersion=1.0.0 -DdevelopmentVersion=999-SNAPSHOT release:clean release:prepare
 ```
 
-After success, run the Maven `version:commit` goal:
+The value of `releaseVersion` is decided by the draft name of
+[Releases](https://github.com/domaframework/doma-quarkus/releases).
 
-```
-$ ./mvnw versions:commit
-```
-
-Modify versions in README.md.
-
-Commit the release version:
-
-```
-$ git add --all
-$ git commit -m "Release v1.0.0"
-```
-
-## Push to the master branch
-
-Create a tag and push the commit and the tag:
-
-```
-$ git tag -a v1.0.0 -m "v1.0.0"
-$ git push origin master --tags
-```
 
 ## Build with GitHub Action
 
@@ -41,7 +21,7 @@ The GitHub Action workflow [Java CI with Maven](.github/workflows/ci.yml) handle
 The workflow builds the "doma-quarkus-parent", the "doma-quarkus-deployment" and the "doma-quarkus" artifacts
 and pushes them to Maven Central[Sonatype OSSRH](https://central.sonatype.org/pages/ossrh-guide.html).
 
-## Publish artifacts to Maven Central from Sonatype OSSRH
+## Publish artifacts to Maven Central
 
 Follow the instructions below:
 
@@ -58,29 +38,11 @@ In a few minutes, all artifacts are copied to the [Maven Central Repository](htt
 Open [Releases](https://github.com/domaframework/doma-quarkus/releases)
 and publish release notes.
 
+## Update README.md.
+
+Modify version numbers.
+
 ## Announce the release
 
 Announce the release of new version using Twitter.
 - [@domaframework](https://twitter.com/domaframework)
-
-## Set the next version
-
-Run the Maven `version:set` goal:
-
-```
-$ ./mvnw versions:set
-```
-
-After success, run the Maven `version:commit` goal:
-
-```
-$ ./mvnw versions:commit
-```
-
-Commit and push the next version:
-
-```
-$ git add --all
-$ git commit -m "Next version [skip ci]"
-$ git push origin master
-```

pom.xml

@@ -46,6 +46,7 @@
         <gpg-plugin.version>1.6</gpg-plugin.version>
         <versions-plugin.version>2.8.1</versions-plugin.version>
         <nexus-staging-plugin.version>1.6.8</nexus-staging-plugin.version>
+        <release-plugin.version>3.0.0-M1</release-plugin.version>
     </properties>
 
     <modules>
@@ -165,6 +166,15 @@
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>${compiler-plugin.version}</version>
                 </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-release-plugin</artifactId>
+                    <version>${release-plugin.version}</version>
+                    <configuration>
+                        <autoVersionSubmodules>true</autoVersionSubmodules>
+                        <tagNameFormat>v@{project.version}</tagNameFormat>
+                    </configuration>
+                </plugin>
                 <plugin>
                     <groupId>org.codehaus.mojo</groupId>
                     <artifactId>versions-maven-plugin</artifactId>