def _InitGitDir()

in project.py [0:0]

• 70 lines of code
• 34 McCabe index (conditional complexity)

  def _InitGitDir(self, mirror_git=None, force_sync=False, quiet=False):
    init_git_dir = not os.path.exists(self.gitdir)
    init_obj_dir = not os.path.exists(self.objdir)
    try:
      # Initialize the bare repository, which contains all of the objects.
      if init_obj_dir:
        os.makedirs(self.objdir)
        self.bare_objdir.init()

        self._UpdateHooks(quiet=quiet)

        if self.use_git_worktrees:
          # Enable per-worktree config file support if possible.  This is more a
          # nice-to-have feature for users rather than a hard requirement.
          if git_require((2, 20, 0)):
            self.EnableRepositoryExtension('worktreeConfig')

      # If we have a separate directory to hold refs, initialize it as well.
      if self.objdir != self.gitdir:
        if init_git_dir:
          os.makedirs(self.gitdir)

        if init_obj_dir or init_git_dir:
          self._ReferenceGitDir(self.objdir, self.gitdir, copy_all=True)
        try:
          self._CheckDirReference(self.objdir, self.gitdir)
        except GitError as e:
          if force_sync:
            print("Retrying clone after deleting %s" %
                  self.gitdir, file=sys.stderr)
            try:
              platform_utils.rmtree(platform_utils.realpath(self.gitdir))
              if self.worktree and os.path.exists(platform_utils.realpath
                                                  (self.worktree)):
                platform_utils.rmtree(platform_utils.realpath(self.worktree))
              return self._InitGitDir(mirror_git=mirror_git, force_sync=False,
                                      quiet=quiet)
            except Exception:
              raise e
          raise e

      if init_git_dir:
        mp = self.manifest.manifestProject
        ref_dir = mp.config.GetString('repo.reference') or ''

        if ref_dir or mirror_git:
          if not mirror_git:
            mirror_git = os.path.join(ref_dir, self.name + '.git')
          repo_git = os.path.join(ref_dir, '.repo', 'project-objects',
                                  self.name + '.git')
          worktrees_git = os.path.join(ref_dir, '.repo', 'worktrees',
                                       self.name + '.git')

          if os.path.exists(mirror_git):
            ref_dir = mirror_git
          elif os.path.exists(repo_git):
            ref_dir = repo_git
          elif os.path.exists(worktrees_git):
            ref_dir = worktrees_git
          else:
            ref_dir = None

          if ref_dir:
            if not os.path.isabs(ref_dir):
              # The alternate directory is relative to the object database.
              ref_dir = os.path.relpath(ref_dir,
                                        os.path.join(self.objdir, 'objects'))
            _lwrite(os.path.join(self.objdir, 'objects/info/alternates'),
                    os.path.join(ref_dir, 'objects') + '\n')

        m = self.manifest.manifestProject.config
        for key in ['user.name', 'user.email']:
          if m.Has(key, include_defaults=False):
            self.config.SetString(key, m.GetString(key))
        if not self.manifest.EnableGitLfs:
          self.config.SetString('filter.lfs.smudge', 'git-lfs smudge --skip -- %f')
          self.config.SetString('filter.lfs.process', 'git-lfs filter-process --skip')
        self.config.SetBoolean('core.bare', True if self.manifest.IsMirror else None)
    except Exception:
      if init_obj_dir and os.path.exists(self.objdir):
        platform_utils.rmtree(self.objdir)
      if init_git_dir and os.path.exists(self.gitdir):
        platform_utils.rmtree(self.gitdir)
      raise