how to get Maven to build a properties file with the git commit version, branch, and build timestamp - servinglynk/hslynk-open-source-docs GitHub Wiki

<build>
    <finalName>HSLynk</finalName>
    <resources>
        <resource>
            <directory>src/main/resources/</directory>
            <filtering>true</filtering>
        </resource>
    </resources>
    <plugins>
        <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.6.1</version>
            <configuration>
                <compilerArgument>-Xlint:unchecked</compilerArgument>
                <source>1.7</source>
                <target>1.7</target>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-war-plugin</artifactId>
            <version>3.1.0</version>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-dependency-plugin</artifactId>
            <version>3.0.1</version>
        </plugin>
        <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>buildnumber-maven-plugin</artifactId>
            <version>1.4</version>
            <executions>
                <execution>
                    <phase>validate</phase>
                    <goals>
                        <goal>create</goal>
                    </goals>
                </execution>
            </executions>
            <configuration>
                <doCheck>false</doCheck>
                <doUpdate>false</doUpdate>
                <shortRevisionLength>8</shortRevisionLength>
                <properties>
                    <scmBranch>${scmBranch}</scmBranch>
                </properties>
            </configuration>
        </plugin>
    </plugins>
</build>

version=${project.version}
name=${project.name}
revision=${buildNumber}
timestamp=${timestamp}
branch=${scmBranch}

public static void logVersion() {
        Properties properties = new Properties();
        InputStream in = null;
        try {
            in = LoadPropertiesUtility.class.getClassLoader().getResourceAsStream("version.properties");

            if(in == null){
                LOGGER.log(Level.FINE, "Unknown Code Revision");
            }

            properties.load(in);

            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
            String timestamp = properties.getProperty("timestamp");
            String buildTimestamp = sdf.format(new Date(Long.parseLong(timestamp)));
            String version = properties.getProperty("name") + "-" + properties.getProperty("version");
            String revision = properties.getProperty("revision");
            String scmBranch = properties.getProperty("branch");

            LOGGER.log(Level.FINE, "{0} commit version {1}, built on {2} from branch {3}",
                       new Object[] { version, revision, buildTimestamp, scmBranch });
        } catch (IOException ex) {
            LOGGER.log(Level.FINE, ex.getMessage());
        } finally{
            if(in != null){
                try {
                    in.close();
                } catch (IOException e) {
                    LOGGER.log(Level.FINE, e.getMessage());
                }
            }
        }