Maven:如何指定运行哪个程序集插件执行

Question

我有一个有多个程序集执行的 pom。当我运行时，例如mvn package ，它运行所有的执行。我怎么能告诉它只运行 foo执行？

<build>
    <plugins>
        <plugin>
            <artifactId>maven-assembly-plugin</artifactId>
            <executions>
                <execution>
                    <id>foo/id>
                    <phase>package</phase>
                    <goals><goal>single</goal></goals>
                    <configuration>...</configuration>
                </execution>
                <execution>
                    <id>bar</id>
                    <phase>package</phase>
                    <goals><goal>single</goal></goals>
                    <configuration>...</configuration>
                </execution>

我上面的，在我看来，类似于下面的 Makefile :

all: foo bar

foo:
    ... build foo ...

bar:
    ... build bar ...

我可以运行 make all或者干脆 make构建一切，或者我可以运行 make foo或 make bar建立个人目标。如何使用 Maven 实现这一目标？

Answer 1

您需要使用 profiles ，这里是 pom.xml例子:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

    <groupId>com.mycompany</groupId>
    <artifactId>FooBar</artifactId>
    <version>1.0</version>
    <packaging>jar</packaging>

    <profiles>

        <profile>
            <id>Foo</id>
            <build>
                <plugins>
                    <plugin>
                        <artifactId>maven-assembly-plugin</artifactId>
                        <executions>
                        <execution>
                            <id>foo/id>
                            <phase>package</phase>
                            <goals><goal>single</goal></goals>
                            <!-- configuration>...</configuration -->
                        </execution>
                        </executions>
                    </plugin>
                </plugins>
            </build>
        </profile>

        <profile>
            <id>Bar</id>
            <build>
                <plugins>
                    <plugin>
                        <artifactId>maven-assembly-plugin</artifactId>
                        <executions>
                        <execution>
                            <id>Bar</id>
                            <phase>package</phase>
                            <goals><goal>single</goal></goals>
                            <!-- configuration>...</configuration -->
                        </execution>
                        </executions>
                    </plugin>
                </plugins>
            </build>
        </profile>

    </profiles>

</project>

你会像这样调用 maven:

mvn package -P Foo  // Only Foo
mvn package -P Bar  // Only Bar
mvn package -P Foo,Bar // All (Foo and Bar)