public void execute()

in src/main/java/org/apache/maven/shared/verifier/Verifier.java [1105:1154]
33 lines of code
8 McCabe index (conditional complexity)

    public void execute() throws VerificationException {

        List<String> args = new ArrayList<>();

        Collections.addAll(args, defaultCliArguments);

        if (this.mavenDebug) {
            args.add("-X");
        }

        /*
         * NOTE: Unless explicitly requested by the caller, the forked builds should use the current local
         * repository. Otherwise, the forked builds would in principle leave the sandbox environment which has been
         * setup for the current build. In particular, using "maven.repo.local" will make sure the forked builds use
         * the same local repo as the parent build even if a custom user settings is provided.
         */
        boolean useMavenRepoLocal = Boolean.valueOf(verifierProperties.getProperty("use.mavenRepoLocal", "true"));

        if (useMavenRepoLocal) {
            args.add("-Dmaven.repo.local=" + localRepo);
        }

        if (autoclean) {
            args.add(CLEAN_CLI_ARGUMENT);
        }

        for (String cliArgument : cliArguments) {
            args.add(cliArgument.replace("${basedir}", getBasedir()));
        }

        int ret;
        File logFile = getLogFile();

        try {
            MavenLauncher launcher = getMavenLauncher(environmentVariables);

            String[] cliArgs = args.toArray(new String[0]);
            ret = launcher.run(cliArgs, systemProperties, getBasedir(), logFile);
        } catch (LauncherException e) {
            throw new VerificationException("Failed to execute Maven", e);
        } catch (IOException e) {
            throw new VerificationException(e);
        }

        if (ret > 0) {
            throw new VerificationException("Exit code was non-zero: " + ret + "; command line and log = \n"
                    + new File(mavenHome, "bin/mvn") + " "
                    + StringUtils.join(args.iterator(), " ") + "\n" + getLogContents(logFile));
        }
    }