12765982517

Committed 14 Jan 2025 10:42AM UTC coverage: 67.829% (-0.3%) from 68.082%

Build # 12765982517

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github

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web-flow

Commit Message

#757: Settings in code repository (#850)

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cli/src/main/java/com/devonfw/tools/ide/context/AbstractIdeContext.java

package com.devonfw.tools.ide.context;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import com.devonfw.tools.ide.cli.CliAbortException;
import com.devonfw.tools.ide.cli.CliArgument;
import com.devonfw.tools.ide.cli.CliArguments;
import com.devonfw.tools.ide.cli.CliException;
import com.devonfw.tools.ide.commandlet.Commandlet;
import com.devonfw.tools.ide.commandlet.CommandletManager;
import com.devonfw.tools.ide.commandlet.CommandletManagerImpl;
import com.devonfw.tools.ide.commandlet.ContextCommandlet;
import com.devonfw.tools.ide.commandlet.HelpCommandlet;
import com.devonfw.tools.ide.common.SystemPath;
import com.devonfw.tools.ide.completion.CompletionCandidate;
import com.devonfw.tools.ide.completion.CompletionCandidateCollector;
import com.devonfw.tools.ide.completion.CompletionCandidateCollectorDefault;
import com.devonfw.tools.ide.environment.AbstractEnvironmentVariables;
import com.devonfw.tools.ide.environment.EnvironmentVariables;
import com.devonfw.tools.ide.environment.EnvironmentVariablesType;
import com.devonfw.tools.ide.environment.IdeSystem;
import com.devonfw.tools.ide.environment.IdeSystemImpl;
import com.devonfw.tools.ide.git.GitContext;
import com.devonfw.tools.ide.git.GitContextImpl;
import com.devonfw.tools.ide.git.GitUrl;
import com.devonfw.tools.ide.io.FileAccess;
import com.devonfw.tools.ide.io.FileAccessImpl;
import com.devonfw.tools.ide.log.IdeLogLevel;
import com.devonfw.tools.ide.log.IdeLogger;
import com.devonfw.tools.ide.log.IdeSubLogger;
import com.devonfw.tools.ide.merge.DirectoryMerger;
import com.devonfw.tools.ide.network.NetworkProxy;
import com.devonfw.tools.ide.os.SystemInfo;
import com.devonfw.tools.ide.os.SystemInfoImpl;
import com.devonfw.tools.ide.os.WindowsPathSyntax;
import com.devonfw.tools.ide.process.ProcessContext;
import com.devonfw.tools.ide.process.ProcessContextImpl;
import com.devonfw.tools.ide.process.ProcessResult;
import com.devonfw.tools.ide.property.Property;
import com.devonfw.tools.ide.repo.CustomToolRepository;
import com.devonfw.tools.ide.repo.CustomToolRepositoryImpl;
import com.devonfw.tools.ide.repo.DefaultToolRepository;
import com.devonfw.tools.ide.repo.ToolRepository;
import com.devonfw.tools.ide.step.Step;
import com.devonfw.tools.ide.step.StepImpl;
import com.devonfw.tools.ide.url.model.UrlMetadata;
import com.devonfw.tools.ide.validation.ValidationResult;
import com.devonfw.tools.ide.validation.ValidationResultValid;
import com.devonfw.tools.ide.validation.ValidationState;
import com.devonfw.tools.ide.variable.IdeVariables;

/**
 * Abstract base implementation of {@link IdeContext}.
 */
public abstract class AbstractIdeContext implements IdeContext {

  private static final GitUrl IDE_URLS_GIT = new GitUrl("https://github.com/devonfw/ide-urls.git", null);

  private final IdeStartContextImpl startContext;

  private Path ideHome;

  private final Path ideRoot;

  private Path confPath;

  protected Path settingsPath;

  private Path settingsCommitIdPath;

  private Path softwarePath;

  private Path softwareExtraPath;

  private final Path softwareRepositoryPath;

  protected Path pluginsPath;

  private Path workspacePath;

  private String workspaceName;

  protected Path urlsPath;

  private final Path tempPath;

  private final Path tempDownloadPath;

  private Path cwd;

  private Path downloadPath;

  private final Path toolRepositoryPath;

  protected Path userHome;

  private Path userHomeIde;

  private SystemPath path;

  private WindowsPathSyntax pathSyntax;

  private final SystemInfo systemInfo;

  private EnvironmentVariables variables;

  private final FileAccess fileAccess;

  protected CommandletManager commandletManager;

  protected ToolRepository defaultToolRepository;

  private CustomToolRepository customToolRepository;

  private DirectoryMerger workspaceMerger;

  protected UrlMetadata urlMetadata;

  protected Path defaultExecutionDirectory;

  private StepImpl currentStep;

  protected Boolean online;

  protected IdeSystem system;

  private NetworkProxy networkProxy;

  /**
   * The constructor.
   *
   * @param startContext the {@link IdeLogger}.
   * @param workingDirectory the optional {@link Path} to current working directory.
   */
  public AbstractIdeContext(IdeStartContextImpl startContext, Path workingDirectory) {

    super();
    this.startContext = startContext;
    this.systemInfo = SystemInfoImpl.INSTANCE;
    this.commandletManager = new CommandletManagerImpl(this);
    this.fileAccess = new FileAccessImpl(this);
    String workspace = WORKSPACE_MAIN;
    if (workingDirectory == null) {
      workingDirectory = Path.of(System.getProperty("user.dir"));
    } else {
      workingDirectory = workingDirectory.toAbsolutePath();
    }
    // detect IDE_HOME and WORKSPACE
    Path currentDir = workingDirectory;
    String name1 = "";
    String name2 = "";
    while (currentDir != null) {
      trace("Looking for IDE_HOME in {}", currentDir);
      if (isIdeHome(currentDir)) {
        if (FOLDER_WORKSPACES.equals(name1) && !name2.isEmpty()) {
          workspace = name2;
        }
        break;
      }
      name2 = name1;
      int nameCount = currentDir.getNameCount();
      if (nameCount >= 1) {
        name1 = currentDir.getName(nameCount - 1).toString();
      }
      currentDir = currentDir.getParent();
    }

    // detection completed, initializing variables
    this.ideRoot = findIdeRoot(currentDir);

    setCwd(workingDirectory, workspace, currentDir);

    if (this.ideRoot == null) {
      this.toolRepositoryPath = null;
      this.urlsPath = null;
      this.tempPath = null;
      this.tempDownloadPath = null;
      this.softwareRepositoryPath = null;
    } else {
      Path ideBase = this.ideRoot.resolve(FOLDER_IDE);
      this.toolRepositoryPath = ideBase.resolve("software");
      this.urlsPath = ideBase.resolve("urls");
      this.tempPath = ideBase.resolve("tmp");
      this.tempDownloadPath = this.tempPath.resolve(FOLDER_DOWNLOADS);
      this.softwareRepositoryPath = ideBase.resolve(FOLDER_SOFTWARE);
      if (Files.isDirectory(this.tempPath)) {
        // TODO delete all files older than 1 day here...
      } else {
        this.fileAccess.mkdirs(this.tempDownloadPath);
      }
    }

    this.defaultToolRepository = new DefaultToolRepository(this);
  }

  private Path findIdeRoot(Path ideHomePath) {

    Path ideRootPath = null;
    if (ideHomePath != null) {
      ideRootPath = ideHomePath.getParent();
    } else if (!isTest()) {
      ideRootPath = getIdeRootPathFromEnv();
    }
    return ideRootPath;
  }

  private Path getIdeRootPathFromEnv() {
    String root = getSystem().getEnv(IdeVariables.IDE_ROOT.getName());
    if (root != null) {
      Path rootPath = Path.of(root);
      if (Files.isDirectory(rootPath)) {
        return rootPath;
      }
    }
    return null;
  }

  @Override
  public void setCwd(Path userDir, String workspace, Path ideHome) {

    this.cwd = userDir;
    this.workspaceName = workspace;
    this.ideHome = ideHome;
    if (ideHome == null) {
      this.workspacePath = null;
      this.confPath = null;
      this.settingsPath = null;
      this.softwarePath = null;
      this.softwareExtraPath = null;
      this.pluginsPath = null;
    } else {
      this.workspacePath = this.ideHome.resolve(FOLDER_WORKSPACES).resolve(this.workspaceName);
      this.confPath = this.ideHome.resolve(FOLDER_CONF);
      this.settingsPath = this.ideHome.resolve(FOLDER_SETTINGS);
      this.settingsCommitIdPath = this.ideHome.resolve(IdeContext.SETTINGS_COMMIT_ID);
      this.softwarePath = this.ideHome.resolve(FOLDER_SOFTWARE);
      this.softwareExtraPath = this.softwarePath.resolve(FOLDER_EXTRA);
      this.pluginsPath = this.ideHome.resolve(FOLDER_PLUGINS);
    }
    if (isTest()) {
      // only for testing...
      if (this.ideHome == null) {
        this.userHome = Path.of("/non-existing-user-home-for-testing");
      } else {
        this.userHome = this.ideHome.resolve("home");
      }
    } else {
      this.userHome = Path.of(getSystem().getProperty("user.home"));
    }
    this.userHomeIde = this.userHome.resolve(".ide");
    this.downloadPath = this.userHome.resolve("Downloads/ide");

    this.path = computeSystemPath();
    this.customToolRepository = CustomToolRepositoryImpl.of(this);
  }

  private String getMessageIdeHomeFound() {

    return "IDE environment variables have been set for " + this.ideHome + " in workspace " + this.workspaceName;
  }

  private String getMessageIdeHomeNotFound() {

    return "You are not inside an IDE installation: " + this.cwd;
  }

  private String getMessageIdeRootNotFound() {
    String root = getSystem().getEnv("IDE_ROOT");
    if (root == null) {
      return "The environment variable IDE_ROOT is undefined. Please reinstall IDEasy or manually repair IDE_ROOT variable.";
    } else {
      return "The environment variable IDE_ROOT is pointing to an invalid path " + root + ". Please reinstall IDEasy or manually repair IDE_ROOT variable.";
    }
  }

  /**
   * @return {@code true} if this is a test context for JUnits, {@code false} otherwise.
   */
  public boolean isTest() {

    return false;
  }

  protected SystemPath computeSystemPath() {

    return new SystemPath(this);
  }


  private boolean isIdeHome(Path dir) {

    if (!Files.isDirectory(dir.resolve("workspaces"))) {
      return false;
    } else if (!Files.isDirectory(dir.resolve("settings"))) {
      return false;
    }
    return true;
  }

  private EnvironmentVariables createVariables() {

    AbstractEnvironmentVariables system = createSystemVariables();
    AbstractEnvironmentVariables user = system.extend(this.userHomeIde, EnvironmentVariablesType.USER);
    AbstractEnvironmentVariables settings = user.extend(this.settingsPath, EnvironmentVariablesType.SETTINGS);
    AbstractEnvironmentVariables workspace = settings.extend(this.workspacePath, EnvironmentVariablesType.WORKSPACE);
    AbstractEnvironmentVariables conf = workspace.extend(this.confPath, EnvironmentVariablesType.CONF);
    return conf.resolved();
  }

  protected AbstractEnvironmentVariables createSystemVariables() {

    return EnvironmentVariables.ofSystem(this);
  }

  @Override
  public SystemInfo getSystemInfo() {

    return this.systemInfo;
  }

  @Override
  public FileAccess getFileAccess() {

    // currently FileAccess contains download method and requires network proxy to be configured. Maybe download should be moved to its own interface/class
    configureNetworkProxy();
    return this.fileAccess;
  }

  @Override
  public CommandletManager getCommandletManager() {

    return this.commandletManager;
  }

  @Override
  public ToolRepository getDefaultToolRepository() {

    return this.defaultToolRepository;
  }

  @Override
  public CustomToolRepository getCustomToolRepository() {

    return this.customToolRepository;
  }

  @Override
  public Path getIdeHome() {

    return this.ideHome;
  }

  @Override
  public String getProjectName() {

    if (this.ideHome != null) {
      return this.ideHome.getFileName().toString();
    }
    return "";
  }

  @Override
  public Path getIdeRoot() {

    return this.ideRoot;
  }

  @Override
  public Path getCwd() {

    return this.cwd;
  }

  @Override
  public Path getTempPath() {

    return this.tempPath;
  }

  @Override
  public Path getTempDownloadPath() {

    return this.tempDownloadPath;
  }

  @Override
  public Path getUserHome() {

    return this.userHome;
  }

  @Override
  public Path getUserHomeIde() {

    return this.userHomeIde;
  }

  @Override
  public Path getSettingsPath() {

    return this.settingsPath;
  }

  @Override
  public Path getSettingsGitRepository() {

    Path settingsPath = getSettingsPath();

    if (settingsPath == null) {
      error("No settings repository was found.");
      return null;
    }

    // check whether the settings path has a .git folder only if its not a symbolic link
    if (!Files.exists(settingsPath.resolve(".git")) && !Files.isSymbolicLink(settingsPath)) {
      error("Settings repository exists but is not a git repository.");
      return null;
    }

    return settingsPath;
  }

  @Override
  public Path getSettingsCommitIdPath() {

    return this.settingsCommitIdPath;
  }

  @Override
  public Path getConfPath() {

    return this.confPath;
  }

  @Override
  public Path getSoftwarePath() {

    return this.softwarePath;
  }

  @Override
  public Path getSoftwareExtraPath() {

    return this.softwareExtraPath;
  }

  @Override
  public Path getSoftwareRepositoryPath() {

    return this.softwareRepositoryPath;
  }

  @Override
  public Path getPluginsPath() {

    return this.pluginsPath;
  }

  @Override
  public String getWorkspaceName() {

    return this.workspaceName;
  }

  @Override
  public Path getWorkspacePath() {

    return this.workspacePath;
  }

  @Override
  public Path getDownloadPath() {

    return this.downloadPath;
  }

  @Override
  public Path getUrlsPath() {

    return this.urlsPath;
  }

  @Override
  public Path getToolRepositoryPath() {

    return this.toolRepositoryPath;
  }

  @Override
  public SystemPath getPath() {

    return this.path;
  }

  @Override
  public EnvironmentVariables getVariables() {

    if (this.variables == null) {
      this.variables = createVariables();
    }
    return this.variables;
  }

  @Override
  public UrlMetadata getUrls() {

    if (this.urlMetadata == null) {
      if (!isTest()) {
        getGitContext().pullOrCloneAndResetIfNeeded(IDE_URLS_GIT, this.urlsPath, null);
      }
      this.urlMetadata = new UrlMetadata(this);
    }
    return this.urlMetadata;
  }

  @Override
  public boolean isQuietMode() {

    return this.startContext.isQuietMode();
  }

  @Override
  public boolean isBatchMode() {

    return this.startContext.isBatchMode();
  }

  @Override
  public boolean isForceMode() {

    return this.startContext.isForceMode();
  }

  @Override
  public boolean isOfflineMode() {

    return this.startContext.isOfflineMode();
  }

  @Override
  public boolean isSkipUpdatesMode() {
    return this.startContext.isSkipUpdatesMode();
  }

  @Override
  public boolean isOnline() {

    if (this.online == null) {
      configureNetworkProxy();
      // we currently assume we have only a CLI process that runs shortly
      // therefore we run this check only once to save resources when this method is called many times
      try {
        int timeout = 1000;
        //open a connection to github.com and try to retrieve data
        //getContent fails if there is no connection
        URLConnection connection = new URL("https://www.github.com").openConnection();
        connection.setConnectTimeout(timeout);
        connection.getContent();
        this.online = Boolean.TRUE;
      } catch (Exception ignored) {
        this.online = Boolean.FALSE;
      }
    }
    return this.online.booleanValue();
  }

  private void configureNetworkProxy() {
    if (this.networkProxy == null) {
      this.networkProxy = new NetworkProxy(this);
      this.networkProxy.configure();
    }
  }

  @Override
  public Locale getLocale() {

    Locale locale = this.startContext.getLocale();
    if (locale == null) {
      locale = Locale.getDefault();
    }
    return locale;
  }

  @Override
  public DirectoryMerger getWorkspaceMerger() {

    if (this.workspaceMerger == null) {
      this.workspaceMerger = new DirectoryMerger(this);
    }
    return this.workspaceMerger;
  }

  /**
   * @return the {@link #getDefaultExecutionDirectory() default execution directory} in which a command process is executed.
   */
  @Override
  public Path getDefaultExecutionDirectory() {

    return this.defaultExecutionDirectory;
  }

  /**
   * @param defaultExecutionDirectory new value of {@link #getDefaultExecutionDirectory()}.
   */
  public void setDefaultExecutionDirectory(Path defaultExecutionDirectory) {

    if (defaultExecutionDirectory != null) {
      this.defaultExecutionDirectory = defaultExecutionDirectory;
    }
  }

  @Override
  public GitContext getGitContext() {

    return new GitContextImpl(this);
  }

  @Override
  public ProcessContext newProcess() {

    ProcessContext processContext = createProcessContext();
    if (this.defaultExecutionDirectory != null) {
      processContext.directory(this.defaultExecutionDirectory);
    }
    return processContext;
  }

  @Override
  public IdeSystem getSystem() {

    if (this.system == null) {
      this.system = new IdeSystemImpl(this);
    }
    return this.system;
  }

  /**
   * @return a new instance of {@link ProcessContext}.
   * @see #newProcess()
   */
  protected ProcessContext createProcessContext() {

    return new ProcessContextImpl(this);
  }

  @Override
  public IdeSubLogger level(IdeLogLevel level) {

    return this.startContext.level(level);
  }

  @Override
  public void logIdeHomeAndRootStatus() {

    if (this.ideRoot != null) {
      success("IDE_ROOT is set to {}", this.ideRoot);
    }
    if (this.ideHome == null) {
      warning(getMessageIdeHomeNotFound());
    } else {
      success("IDE_HOME is set to {}", this.ideHome);
    }
  }

  @Override
  public String askForInput(String message, String defaultValue) {

    if (!message.isBlank()) {
      info(message);
    }
    if (isBatchMode()) {
      if (isForceMode()) {
        return defaultValue;
      } else {
        throw new CliAbortException();
      }
    }
    String input = readLine().trim();
    return input.isEmpty() ? defaultValue : input;
  }

  @Override
  public String askForInput(String message) {

    String input;
    do {
      info(message);
      input = readLine().trim();
    } while (input.isEmpty());

    return input;
  }

  @SuppressWarnings("unchecked")
  @Override
  public <O> O question(String question, O... options) {

    assert (options.length >= 2);
    interaction(question);
    Map<String, O> mapping = new HashMap<>(options.length);
    int i = 0;
    for (O option : options) {
      i++;
      String key = "" + option;
      addMapping(mapping, key, option);
      String numericKey = Integer.toString(i);
      if (numericKey.equals(key)) {
        trace("Options should not be numeric: " + key);
      } else {
        addMapping(mapping, numericKey, option);
      }
      interaction("Option " + numericKey + ": " + key);
    }
    O option = null;
    if (isBatchMode()) {
      if (isForceMode()) {
        option = options[0];
        interaction("" + option);
      }
    } else {
      while (option == null) {
        String answer = readLine();
        option = mapping.get(answer);
        if (option == null) {
          warning("Invalid answer: '" + answer + "' - please try again.");
        }
      }
    }
    return option;
  }

  /**
   * @return the input from the end-user (e.g. read from the console).
   */
  protected abstract String readLine();

  private static <O> void addMapping(Map<String, O> mapping, String key, O option) {

    O duplicate = mapping.put(key, option);
    if (duplicate != null) {
      throw new IllegalArgumentException("Duplicated option " + key);
    }
  }

  @Override
  public Step getCurrentStep() {

    return this.currentStep;
  }

  @Override
  public StepImpl newStep(boolean silent, String name, Object... parameters) {

    this.currentStep = new StepImpl(this, this.currentStep, name, silent, parameters);
    return this.currentStep;
  }

  /**
   * Internal method to end the running {@link Step}.
   *
   * @param step the current {@link Step} to end.
   */
  public void endStep(StepImpl step) {

    if (step == this.currentStep) {
      this.currentStep = this.currentStep.getParent();
    } else {
      String currentStepName = "null";
      if (this.currentStep != null) {
        currentStepName = this.currentStep.getName();
      }
      warning("endStep called with wrong step '{}' but expected '{}'", step.getName(), currentStepName);
    }
  }

  /**
   * Finds the matching {@link Commandlet} to run, applies {@link CliArguments} to its {@link Commandlet#getProperties() properties} and will execute it.
   *
   * @param arguments the {@link CliArgument}.
   * @return the return code of the execution.
   */
  public int run(CliArguments arguments) {

    CliArgument current = arguments.current();
    assert (this.currentStep == null);
    boolean supressStepSuccess = false;
    StepImpl step = newStep(true, "ide", (Object[]) current.asArray());
    Iterator<Commandlet> commandletIterator = this.commandletManager.findCommandlet(arguments, null);
    Commandlet cmd = null;
    ValidationResult result = null;
    try {
      while (commandletIterator.hasNext()) {
        cmd = commandletIterator.next();
        result = applyAndRun(arguments.copy(), cmd);
        if (result.isValid()) {
          supressStepSuccess = cmd.isSuppressStepSuccess();
          step.success();
          return ProcessResult.SUCCESS;
        }
      }
      this.startContext.activateLogging();
      if (result != null) {
        error(result.getErrorMessage());
      }
      step.error("Invalid arguments: {}", current.getArgs());
      HelpCommandlet help = this.commandletManager.getCommandlet(HelpCommandlet.class);
      if (cmd != null) {
        help.commandlet.setValue(cmd);
      }
      help.run();
      return 1;
    } catch (Throwable t) {
      this.startContext.activateLogging();
      step.error(t, true);
      throw t;
    } finally {
      step.close();
      assert (this.currentStep == null);
      step.logSummary(supressStepSuccess);
    }
  }

  /**
   * @param cmd the potential {@link Commandlet} to {@link #apply(CliArguments, Commandlet) apply} and {@link Commandlet#run() run}.
   * @return {@code true} if the given {@link Commandlet} matched and did {@link Commandlet#run() run} successfully, {@code false} otherwise (the
   *     {@link Commandlet} did not match and we have to try a different candidate).
   */
  private ValidationResult applyAndRun(CliArguments arguments, Commandlet cmd) {

    IdeLogLevel previousLogLevel = null;
    cmd.reset();
    ValidationResult result = apply(arguments, cmd);
    if (result.isValid()) {
      result = cmd.validate();
    }
    if (result.isValid()) {
      debug("Running commandlet {}", cmd);
      if (cmd.isIdeHomeRequired() && (this.ideHome == null)) {
        throw new CliException(getMessageIdeHomeNotFound(), ProcessResult.NO_IDE_HOME);
      } else if (cmd.isIdeRootRequired() && (this.ideRoot == null)) {
        throw new CliException(getMessageIdeRootNotFound(), ProcessResult.NO_IDE_ROOT);
      }
      try {
        if (cmd.isProcessableOutput()) {
          if (!debug().isEnabled()) {
            // unless --debug or --trace was supplied, processable output commandlets will disable all log-levels except INFO to prevent other logs interfere
            previousLogLevel = this.startContext.setLogLevel(IdeLogLevel.PROCESSABLE);
          }
          this.startContext.activateLogging();
        } else {
          this.startContext.activateLogging();
          verifyIdeRoot();
          if (cmd.isIdeHomeRequired()) {
            debug(getMessageIdeHomeFound());
          }
          Path settingsRepository = getSettingsGitRepository();
          if (settingsRepository != null) {
            if (getGitContext().isRepositoryUpdateAvailable(settingsRepository, getSettingsCommitIdPath()) ||
                (getGitContext().fetchIfNeeded(settingsRepository) && getGitContext().isRepositoryUpdateAvailable(settingsRepository, getSettingsCommitIdPath()))) {
              interaction("Updates are available for the settings repository. If you want to apply the latest changes, call \"ide update\"");
            }
          }
        }
        cmd.run();
      } finally {
        if (previousLogLevel != null) {
          this.startContext.setLogLevel(previousLogLevel);
        }
      }
    } else {
      trace("Commandlet did not match");
    }
    return result;
  }

  private void verifyIdeRoot() {
    if (!isTest()) {
      if (this.ideRoot == null) {
        warning("Variable IDE_ROOT is undefined. Please check your installation or run setup script again.");
      } else if (this.ideHome != null) {
        Path ideRootPath = getIdeRootPathFromEnv();
        if (!this.ideRoot.equals(ideRootPath)) {
          warning("Variable IDE_ROOT is set to '{}' but for your project '{}' the path '{}' would have been expected.", ideRootPath,
              this.ideHome.getFileName(), this.ideRoot);
        }
      }
    }
  }

  /**
   * @param arguments the {@link CliArguments#ofCompletion(String...) completion arguments}.
   * @param includeContextOptions to include the options of {@link ContextCommandlet}.
   * @return the {@link List} of {@link CompletionCandidate}s to suggest.
   */
  public List<CompletionCandidate> complete(CliArguments arguments, boolean includeContextOptions) {
    CompletionCandidateCollector collector = new CompletionCandidateCollectorDefault(this);
    if (arguments.current().isStart()) {
      arguments.next();
    }
    if (includeContextOptions) {
      ContextCommandlet cc = new ContextCommandlet();
      for (Property<?> property : cc.getProperties()) {
        assert (property.isOption());
        property.apply(arguments, this, cc, collector);
      }
    }
    Iterator<Commandlet> commandletIterator = this.commandletManager.findCommandlet(arguments, collector);
    CliArgument current = arguments.current();
    if (current.isCompletion() && current.isCombinedShortOption()) {
      collector.add(current.get(), null, null, null);
    }
    arguments.next();
    while (commandletIterator.hasNext()) {
      Commandlet cmd = commandletIterator.next();
      if (!arguments.current().isEnd()) {
        completeCommandlet(arguments.copy(), cmd, collector);
      }
    }
    return collector.getSortedCandidates();
  }

  private void completeCommandlet(CliArguments arguments, Commandlet cmd, CompletionCandidateCollector collector) {
    trace("Trying to match arguments for auto-completion for commandlet {}", cmd.getName());
    Iterator<Property<?>> valueIterator = cmd.getValues().iterator();
    valueIterator.next(); // skip first property since this is the keyword property that already matched to find the commandlet
    List<Property<?>> properties = cmd.getProperties();
    // we are creating our own list of options and remove them when matched to avoid duplicate suggestions
    List<Property<?>> optionProperties = new ArrayList<>(properties.size());
    for (Property<?> property : properties) {
      if (property.isOption()) {
        optionProperties.add(property);
      }
    }
    CliArgument currentArgument = arguments.current();
    while (!currentArgument.isEnd()) {
      trace("Trying to match argument '{}'", currentArgument);
      if (currentArgument.isOption() && !arguments.isEndOptions()) {
        if (currentArgument.isCompletion()) {
          Iterator<Property<?>> optionIterator = optionProperties.iterator();
          while (optionIterator.hasNext()) {
            Property<?> option = optionIterator.next();
            boolean success = option.apply(arguments, this, cmd, collector);
            if (success) {
              optionIterator.remove();
              arguments.next();
            }
          }
        } else {
          Property<?> option = cmd.getOption(currentArgument.get());
          if (option != null) {
            arguments.next();
            boolean removed = optionProperties.remove(option);
            if (!removed) {
              option = null;
            }
          }
          if (option == null) {
            trace("No such option was found.");
            return;
          }
        }
      } else {
        if (valueIterator.hasNext()) {
          Property<?> valueProperty = valueIterator.next();
          boolean success = valueProperty.apply(arguments, this, cmd, collector);
          if (!success) {
            trace("Completion cannot match any further.");
            return;
          }
        } else {
          trace("No value left for completion.");
          return;
        }
      }
      currentArgument = arguments.current();
    }
  }


  /**
   * @param arguments the {@link CliArguments} to apply. Will be {@link CliArguments#next() consumed} as they are matched. Consider passing a
   *     {@link CliArguments#copy() copy} as needed.
   * @param cmd the potential {@link Commandlet} to match.
   * @return the {@link ValidationResult} telling if the {@link CliArguments} can be applied successfully or if validation errors ocurred.
   */
  public ValidationResult apply(CliArguments arguments, Commandlet cmd) {

    trace("Trying to match arguments to commandlet {}", cmd.getName());
    CliArgument currentArgument = arguments.current();
    Iterator<Property<?>> propertyIterator = cmd.getValues().iterator();
    Property<?> property = null;
    if (propertyIterator.hasNext()) {
      property = propertyIterator.next();
    }
    while (!currentArgument.isEnd()) {
      trace("Trying to match argument '{}'", currentArgument);
      Property<?> currentProperty = property;
      if (!arguments.isEndOptions()) {
        Property<?> option = cmd.getOption(currentArgument.getKey());
        if (option != null) {
          currentProperty = option;
        }
      }
      if (currentProperty == null) {
        trace("No option or next value found");
        ValidationState state = new ValidationState(null);
        state.addErrorMessage("No matching property found");
        return state;
      }
      trace("Next property candidate to match argument is {}", currentProperty);
      if (currentProperty == property) {
        if (!property.isMultiValued()) {
          if (propertyIterator.hasNext()) {
            property = propertyIterator.next();
          } else {
            property = null;
          }
        }
        if ((property != null) && property.isValue() && property.isMultiValued()) {
          arguments.stopSplitShortOptions();
        }
      }
      boolean matches = currentProperty.apply(arguments, this, cmd, null);
      if (!matches && currentArgument.isCompletion()) {
        ValidationState state = new ValidationState(null);
        state.addErrorMessage("No matching property found");
        return state;
      }
      currentArgument = arguments.current();
    }
    return ValidationResultValid.get();
  }

  @Override
  public String findBash() {

    String bash = "bash";
    if (SystemInfoImpl.INSTANCE.isWindows()) {
      bash = findBashOnWindows();
    }

    return bash;
  }

  private String findBashOnWindows() {

    // Check if Git Bash exists in the default location
    Path defaultPath = Path.of("C:\\Program Files\\Git\\bin\\bash.exe");
    if (Files.exists(defaultPath)) {
      return defaultPath.toString();
    }

    // If not found in the default location, try the registry query
    String[] bashVariants = { "GitForWindows", "Cygwin\\setup" };
    String[] registryKeys = { "HKEY_LOCAL_MACHINE", "HKEY_CURRENT_USER" };
    String regQueryResult;
    for (String bashVariant : bashVariants) {
      for (String registryKey : registryKeys) {
        String toolValueName = ("GitForWindows".equals(bashVariant)) ? "InstallPath" : "rootdir";
        String command = "reg query " + registryKey + "\\Software\\" + bashVariant + "  /v " + toolValueName + " 2>nul";

        try {
          Process process = new ProcessBuilder("cmd.exe", "/c", command).start();
          try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
            StringBuilder output = new StringBuilder();
            String line;

            while ((line = reader.readLine()) != null) {
              output.append(line);
            }

            int exitCode = process.waitFor();
            if (exitCode != 0) {
              return null;
            }

            regQueryResult = output.toString();
            if (regQueryResult != null) {
              int index = regQueryResult.indexOf("REG_SZ");
              if (index != -1) {
                String path = regQueryResult.substring(index + "REG_SZ".length()).trim();
                return path + "\\bin\\bash.exe";
              }
            }

          }
        } catch (Exception e) {
          return null;
        }
      }
    }
    // no bash found
    return null;
  }

  @Override
  public WindowsPathSyntax getPathSyntax() {
    return this.pathSyntax;
  }

  /**
   * @param pathSyntax new value of {@link #getPathSyntax()}.
   */
  public void setPathSyntax(WindowsPathSyntax pathSyntax) {

    this.pathSyntax = pathSyntax;
  }

  /**
   * @return the {@link IdeStartContextImpl}.
   */
  public IdeStartContextImpl getStartContext() {

    return startContext;
  }

  /**
   * Reloads this context and re-initializes the {@link #getVariables() variables}.
   */
  public void reload() {
    this.variables = null;
  }
}

devonfw / IDEasy / 12765982517

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