protected ScmResult executeTagCommand()

in maven-scm-providers/maven-scm-provider-hg/src/main/java/org/apache/maven/scm/provider/hg/command/tag/HgTagCommand.java [59:126]
53 lines of code
11 McCabe index (conditional complexity)

    protected ScmResult executeTagCommand(
            ScmProviderRepository scmProviderRepository,
            ScmFileSet fileSet,
            String tag,
            ScmTagParameters scmTagParameters)
            throws ScmException {

        if (tag == null || tag.trim().isEmpty()) {
            throw new ScmException("tag must be specified");
        }

        if (!fileSet.getFileList().isEmpty()) {
            throw new ScmException(
                    "This provider doesn't support tagging subsets of a directory : " + fileSet.getFileList());
        }

        File workingDir = fileSet.getBasedir();

        // build the command
        String[] tagCmd = new String[] {
            HgCommandConstants.TAG_CMD, HgCommandConstants.MESSAGE_OPTION, scmTagParameters.getMessage(), tag
        };

        // keep the command about in string form for reporting
        StringBuilder cmd = joinCmd(tagCmd);
        HgTagConsumer consumer = new HgTagConsumer();
        ScmResult result = HgUtils.execute(consumer, workingDir, tagCmd);
        HgScmProviderRepository repository = (HgScmProviderRepository) scmProviderRepository;
        if (result.isSuccess()) {
            // now push
            // Push to parent branch if any

            if (repository.isPushChanges()) {
                if (!repository.getURI().equals(fileSet.getBasedir().getAbsolutePath())) {
                    String branchName = HgUtils.getCurrentBranchName(workingDir);
                    boolean differentOutgoingBranch = HgUtils.differentOutgoingBranchFound(workingDir, branchName);

                    String[] pushCmd = new String[] {
                        HgCommandConstants.PUSH_CMD,
                        differentOutgoingBranch ? HgCommandConstants.REVISION_OPTION + branchName : null,
                        repository.getURI()
                    };

                    result = HgUtils.execute(new HgConsumer(), fileSet.getBasedir(), pushCmd);
                }
            }
        } else {
            throw new ScmException("Error while executing command " + cmd.toString());
        }

        // do an inventory to return the files tagged (all of them)
        String[] listCmd = new String[] {HgCommandConstants.INVENTORY_CMD};
        HgListConsumer listconsumer = new HgListConsumer();
        result = HgUtils.execute(listconsumer, fileSet.getBasedir(), listCmd);
        if (result.isSuccess()) {
            List<ScmFile> files = listconsumer.getFiles();
            List<ScmFile> fileList = new ArrayList<>();
            for (ScmFile f : files) {
                if (!f.getPath().endsWith(".hgtags")) {
                    fileList.add(new ScmFile(f.getPath(), ScmFileStatus.TAGGED));
                }
            }

            return new TagScmResult(fileList, result);
        } else {
            throw new ScmException("Error while executing command " + cmd.toString());
        }
    }