Maven cheatsheet

readme.md

Performance compile

-T 1C

Accept snapshots

-Denforcer-snapshot.fail=false

No tests

-Dmaven.test.skip skips tests sources, and does not run tests

-DskipTests - does not run tests

No nothing :)

-PskipAll

Gitbook plugin

mvn clean install -pl :site -am -Pgitbook-serve

Get variable from maven

mvn -q -Dexec.executable='echo' -Dexec.args='$${dependencyY.version}' --non-recursive org.codehaus.mojo:exec-maven-plugin:exec

also a faster non maven alternative grep -o -P -m 1 "(?<=<dependencyY.version>)[^<]+" pom.xml

Liquibase generate report

bin/liquibase --defaultsFile="conf/component.properties" --password="secret" --changeLogFile="changelog/changelog-master.xml" dbDoc ./docs/

Docs

Versioning of an API, via maven shade

    <build>
        <plugins>
            <plugin>
                <groupId>org.codehaus.gmavenplus</groupId>
                <artifactId>gmavenplus-plugin</artifactId>
                <executions>
                    <execution>
                        <id>determine-major-version</id>
                        <phase>initialize</phase>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <extensions>true</extensions>
                <groupId>io.repaint.maven</groupId>
                <artifactId>tiles-maven-plugin</artifactId>
            </plugin>
			<plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <executions>
                    <execution>
                        <id>relocate-classes</id>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <artifactSet>
                                <includes>
                                    <include>${project.groupId}:${project.artifactId}</include>
                                </includes>
                            </artifactSet>
                            <shadedArtifactAttached>true</shadedArtifactAttached>
                            <shadedClassifierName>v${project.major}</shadedClassifierName>
                            <transformers>
                                <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
                            </transformers>
                            <relocations>
                                <relocation>
                                    <pattern>org.generic.classes</pattern>
                                    <shadedPattern>org.generic.classes.v${project.major}</shadedPattern>
                                </relocation>
                            </relocations>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
      </plugins>
    </build>

How to debug then? Add manually the generated jar to the project dependencies (IntelliJ) and add breakpoints on the compiled classes.