Usage of errCheck

It is possible to use the errCheck Golang tool with the plugin. For such cases the plugin provides the custom goal (it allows to start some executable golang tool) and adapted example of errCheck usage will look like

      <plugin>
        <groupId>com.igormaznitsa</groupId>
        <artifactId>mvn-golang-wrapper</artifactId>
        <version>${mvn.golang.version}</version>
        <extensions>true</extensions>
        <configuration>
          <goVersion>${go.sdk.version}</goVersion>
        </configuration>
        <executions>
          <execution>
            <id>get-err-check</id>
            <goals>
              <goal>get</goal>
            </goals>
            <configuration>
              <packages>
                <package>github.com/kisielk/errcheck</package>
              </packages>
            </configuration>
          </execution>
          <execution>
            <goals>
              <goal>custom</goal>
            </goals>
            <phase>verify</phase>
            <configuration>
              <exec>errcheck</exec>
              <buildFlags>
                <flag>-blank</flag>
              </buildFlags>
            </configuration>
          </execution>
        </executions>
      </plugin>

errCheck prints messages into standard stream and the result will look like

--- mvn-golang-wrapper:2.1.2:custom (default) @ golangIntegrateErrCheck ---
Prepared command line : bin/errcheck -blank

---------Exec.Out---------
main.go:13:8:	file, _ := os.Open(path)
main.go:14:12:	file.Write([]byte(data))
main.go:15:12:	file.Close()

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BUILD FAILURE
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