public void execute()

in src/main/java/org/apache/maven/plugins/artifact/buildinfo/CheckBuildPlanMojo.java [100:162]
55 lines of code
13 McCabe index (conditional complexity)

    public void execute() throws MojoExecutionException {
        boolean fail = hasBadOutputTimestamp();
        // TODO check maven-jar-plugin module-info.class?

        Properties issues = loadIssues();

        MavenExecutionPlan plan = calculateExecutionPlan();

        Set<String> plugins = new HashSet<>();
        for (MojoExecution exec : plan.getMojoExecutions()) {
            Plugin plugin = exec.getPlugin();
            String id = plugin.getId();

            if (plugins.add(id)) {
                // check reproducibility status
                String issue = issues.getProperty(plugin.getKey());
                if (issue == null) {
                    getLog().info("no known issue with " + id);
                } else if (issue.startsWith("fail:")) {
                    String logMessage = "plugin without solution " + id + ", see " + issue.substring(5);
                    if (failOnNonReproducible) {
                        getLog().error(logMessage);
                    } else {
                        getLog().warn(logMessage);
                    }
                    fail = true;

                } else {
                    ArtifactVersion minimum = new DefaultArtifactVersion(issue);
                    ArtifactVersion version = new DefaultArtifactVersion(plugin.getVersion());
                    if (version.compareTo(minimum) < 0) {
                        String logMessage = "plugin with non-reproducible output: " + id + ", require minimum " + issue;
                        if (failOnNonReproducible) {
                            getLog().error(logMessage);
                        } else {
                            getLog().warn(logMessage);
                        }
                        fail = true;
                    } else {
                        getLog().info("no known issue with " + id + " (>= " + issue + ")");
                    }
                }
            }
        }

        if (fail) {
            getLog().info("current module pom.xml is " + project.getBasedir() + "/pom.xml");
            MavenProject parent = project;
            while (true) {
                parent = parent.getParent();
                if ((parent == null) || !reactorProjects.contains(parent)) {
                    break;
                }
                getLog().info("        parent pom.xml is " + parent.getBasedir() + "/pom.xml");
            }
            String message = "non-reproducible plugin or configuration found with fix available";
            if (failOnNonReproducible) {
                throw new MojoExecutionException(message);
            } else {
                getLog().warn(message);
            }
        }
    }