Java Code Examples for org.eclipse.jgit.storage.file.FileRepositoryBuilder#getGitDir()

private Git setupGit(Configuration configuration) throws IOException {
    final FileRepositoryBuilder builder = new FileRepositoryBuilder();
    File pomDir = mavenSession.getCurrentProject().getBasedir().toPath().toFile();
    builder.findGitDir(pomDir);
    if (builder.getGitDir() == null) {
        String gitDirNotFoundMessage = "Git repository root directory not found ascending from current working directory:'" + pomDir + "'.";
        logger.warn(gitDirNotFoundMessage + " Next step is determined by failOnMissingGitDir property.");
        if (configuration.failOnMissingGitDir) {
            throw new IllegalArgumentException(gitDirNotFoundMessage);
        } else {
            throw new SkipExecutionException(gitDirNotFoundMessage);
        }
    }
    if (isWorktree(builder)) {
        throw new SkipExecutionException(UNSUPPORTED_WORKTREE + builder.getGitDir());
    }
    return Git.wrap(builder.build());
}
 

public GitRepo(final File repo) throws GitChangelogRepositoryException {
  try {
    File repoFile = new File(repo.getAbsolutePath());
    final File gitRepoFile = new File(repo.getAbsolutePath() + "/.git");
    if (gitRepoFile.exists()) {
      repoFile = gitRepoFile;
    }
    final FileRepositoryBuilder builder =
        new FileRepositoryBuilder() //
            .findGitDir(repoFile) //
            .readEnvironment();
    if (builder.getGitDir() == null) {
      throw new GitChangelogRepositoryException(
          "Did not find a GIT repo in " + repo.getAbsolutePath());
    }
    this.repository = builder.build();
    this.revWalk = new RevWalk(this.repository);
    this.git = new Git(this.repository);
  } catch (final IOException e) {
    throw new GitChangelogRepositoryException(
        "Could not use GIT repo in " + repo.getAbsolutePath(), e);
  }
}
 

/**
 * Open a Git repository using the specified directory.
 * @param gitProjectRootDir a root directory of a Git project
 * @return created Repository
 * @throws IOException thrown when the specified directory does not exist,
 * does not have read/write privilege or not containing .git directory
 */
private Repository openRepository(final File gitProjectRootDir) throws IOException {

    // Instead of using FileUtils.ensureDirectoryExistAndCanReadAndWrite, check availability manually here.
    // Because the util will try to create a dir if not exist.
    // The git dir should be initialized and configured by users.
    if (!gitProjectRootDir.isDirectory()) {
        throw new IOException(format("'%s' is not a directory or does not exist.", gitProjectRootDir));
    }

    if (!(gitProjectRootDir.canRead() && gitProjectRootDir.canWrite())) {
        throw new IOException(format("Directory '%s' does not have read/write privilege.", gitProjectRootDir));
    }

    // Search .git dir but avoid searching parent directories.
    final FileRepositoryBuilder builder = new FileRepositoryBuilder()
            .readEnvironment()
            .setMustExist(true)
            .addCeilingDirectory(gitProjectRootDir)
            .findGitDir(gitProjectRootDir);

    if (builder.getGitDir() == null) {
        throw new IOException(format("Directory '%s' does not contain a .git directory." +
                " Please init and configure the directory with 'git init' command before using it from NiFi Registry.",
                gitProjectRootDir));
    }

    return builder.build();
}
 

public Git() throws IOException {
  final FileRepositoryBuilder builder = new FileRepositoryBuilder();
  // scan environment GIT_* variables
  builder.readEnvironment();
  // scan up the file system tree
  builder.findGitDir();
  // if getGitDir is null, then we are not in a git repository
  repo = builder.getGitDir() == null ? null : builder.build();
}