protected CheckInScmResult executeCheckInCommand()

in maven-scm-providers/maven-scm-provider-local/src/main/java/org/apache/maven/scm/provider/local/command/checkin/LocalCheckInCommand.java [46:127]
60 lines of code
14 McCabe index (conditional complexity)

    protected CheckInScmResult executeCheckInCommand(
            ScmProviderRepository repo, ScmFileSet fileSet, String message, ScmVersion version) throws ScmException {
        LocalScmProviderRepository repository = (LocalScmProviderRepository) repo;

        if (version != null && StringUtils.isNotEmpty(version.getName())) {
            throw new ScmException("The local scm doesn't support tags.");
        }

        File root = new File(repository.getRoot());

        String module = repository.getModule();

        File source = new File(root, module);

        File basedir = fileSet.getBasedir();

        if (!basedir.exists()) {
            throw new ScmException("The working directory doesn't exist (" + basedir.getAbsolutePath() + ").");
        }

        if (!root.exists()) {
            throw new ScmException("The base directory doesn't exist (" + root.getAbsolutePath() + ").");
        }

        if (!source.exists()) {
            throw new ScmException("The module directory doesn't exist (" + source.getAbsolutePath() + ").");
        }

        List<ScmFile> checkedInFiles = new ArrayList<>();

        try {
            // Only copy files newer than in the repo
            File repoRoot = new File(repository.getRoot(), repository.getModule());

            List<File> files = fileSet.getFileList();

            if (files.isEmpty()) {
                files = FileUtils.getFiles(basedir, "**", null, false);
            }

            for (File file : files) {
                String path = FilenameUtils.normalizeFilename(file.getPath());
                File repoFile = new File(repoRoot, path);
                file = new File(basedir, path);

                ScmFileStatus status;

                if (repoFile.exists()) {
                    String repoFileContents = FileUtils.fileRead(repoFile);

                    String fileContents = FileUtils.fileRead(file);

                    if (logger.isDebugEnabled()) {
                        logger.debug("fileContents:" + fileContents);
                        logger.debug("repoFileContents:" + repoFileContents);
                    }
                    if (fileContents.equals(repoFileContents)) {
                        continue;
                    }

                    status = ScmFileStatus.CHECKED_IN;
                } else if (repository.isFileAdded(path)) {
                    status = ScmFileStatus.CHECKED_IN;
                } else {
                    if (logger.isWarnEnabled()) {
                        logger.warn("skipped unknown file in checkin:" + path);
                    }
                    // unknown file, skip
                    continue;
                }

                FileUtils.copyFile(file, repoFile);
                ScmFile scmFile = new ScmFile(path, status);
                logger.info(scmFile.toString());
                checkedInFiles.add(scmFile);
            }
        } catch (IOException ex) {
            throw new ScmException("Error while checking in the files.", ex);
        }

        return new CheckInScmResult(null, checkedInFiles);
    }