Load the GIT commit id and reuse it in your maven build

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <modelVersion>4.0.0</modelVersion>

    <groupId>example</groupId>
    <artifactId>sample-pom</artifactId>
    <version>0.1</version>
    <packaging>pom</packaging>

    <build>
        <plugins>
            <plugin>
                <groupId>pl.project13.maven</groupId>
                <artifactId>git-commit-id-plugin</artifactId>
                <version>2.2.1</version>
                <executions>
                    <execution>
                        <id>get-the-git-infos</id>
                        <goals>
                            <goal>revision</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <skipPoms>false</skipPoms>
                </configuration>
            </plugin>

            <plugin>
                <groupId>com.github.ekryd.echo-maven-plugin</groupId>
                <artifactId>echo-maven-plugin</artifactId>
                <version>1.2.0</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>echo</goal>
                        </goals>
                        <configuration>
                            <message>GIT commit id: ${git.commit.id}</message>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>