module Repository

# File app/roles/repository.rb, line 157
def archive_repo(ref)
  ref = ref || self.root_ref
  commit = self.commit(ref)
  return nil unless commit

  # Build file path
  file_name = self.code + "-" + commit.id.to_s + ".tar.gz"
  storage_path = Rails.root.join("tmp", "repositories", self.code)
  file_path = File.join(storage_path, file_name)

  # Put files into a directory before archiving
  prefix = self.code + "/"

  # Create file if not exists
  unless File.exists?(file_path)
    FileUtils.mkdir_p storage_path
    file = self.repo.archive_to_file(ref, prefix,  file_path)
  end

  file_path
end

# File app/roles/repository.rb, line 53
def branch_names
  repo.branches.collect(&:name).sort
end

# File app/roles/repository.rb, line 58
def branches
  repo.branches.sort_by(&:name)
end

# File app/roles/repository.rb, line 15
def commit(commit_id = nil)
  Commit.find_or_first(repo, commit_id, root_ref)
end

# File app/roles/repository.rb, line 31
def commits(ref, path = nil, limit = nil, offset = nil)
  Commit.commits(repo, ref, path, limit, offset)
end

# File app/roles/repository.rb, line 39
def commits_between(from, to)
  Commit.commits_between(repo, from, to)
end

# File app/roles/repository.rb, line 27
def commits_since(date)
  Commit.commits_since(repo, date)
end

# File app/roles/repository.rb, line 23
def commits_with_refs(n = 20)
  Commit.commits_with_refs(repo, n)
end

# File app/roles/repository.rb, line 93
def destroy_repository
  git_host.remove_repository(self)
end

# File app/roles/repository.rb, line 128
def discover_default_branch
  if branch_names.length == 0
    nil
  elsif branch_names.length == 1
    branch_names.first
  else
    branch_names.select { |v| v == root_ref }.first
  end
end

# File app/roles/repository.rb, line 11
def empty_repo?
  !repo_exists? || !has_commits?
end

# File app/roles/repository.rb, line 19
def fresh_commits(n = 10)
  Commit.fresh_commits(repo, n)
end

# File app/roles/repository.rb, line 138
def has_commits?
  !!commit
rescue Grit::NoSuchPathError
  false
end

# File app/roles/repository.rb, line 47
def has_post_receive_file?
  hook_file = File.join(path_to_repo, 'hooks', 'post-receive')
  File.exists?(hook_file)
end

# File app/roles/repository.rb, line 103
def heads
  @heads ||= repo.heads
end

# File app/roles/repository.rb, line 183
def http_url_to_repo
  http_url = [Gitlab.config.url, "/", path, ".git"].join('')
end

# File app/roles/repository.rb, line 35
def last_commit_for(ref, path = nil)
  commits(ref, path, 1).first
end

# File app/roles/repository.rb, line 113
def open_branches
  if protected_branches.empty?
    self.repo.heads
  else
    pnames = protected_branches.map(&:name)
    self.repo.heads.reject { |h| pnames.include?(h.name) }
  end.sort_by(&:name)
end

# File app/roles/repository.rb, line 85
def path_to_repo
  File.join(Gitlab.config.git_base_path, "#{path}.git")
end

# File app/roles/repository.rb, line 188
def protected_branch? branch_name
  protected_branches.map(&:name).include?(branch_name)
end

# File app/roles/repository.rb, line 73
def ref_names
  [branch_names + tag_names].flatten
end

# File app/roles/repository.rb, line 77
def repo
  @repo ||= Grit::Repo.new(path_to_repo)
end

# File app/roles/repository.rb, line 97
def repo_exists?
  @repo_exists ||= (repo && !repo.branches.empty?)
rescue
  @repo_exists = false
end

# File app/roles/repository.rb, line 144
def root_ref
  default_branch || "master"
end

# File app/roles/repository.rb, line 148
def root_ref?(branch)
  root_ref == branch
end

# File app/roles/repository.rb, line 43
def satellite
  @satellite ||= Gitlab::Satellite.new(self)
end

# File app/roles/repository.rb, line 179
def ssh_url_to_repo
  url_to_repo
end

# File app/roles/repository.rb, line 63
def tag_names
  repo.tags.collect(&:name).sort.reverse
end

# File app/roles/repository.rb, line 68
def tags
  repo.tags.sort_by(&:name).reverse
end

# File app/roles/repository.rb, line 107
def tree(fcommit, path = nil)
  fcommit = commit if fcommit == :head
  tree = fcommit.tree
  path ? (tree / path) : tree
end

# File app/roles/repository.rb, line 89
def update_repository
  git_host.update_repository(self)
end

# File app/roles/repository.rb, line 81
def url_to_repo
  git_host.url_to_repo(path)
end

# File app/roles/repository.rb, line 4
def valid_repo?
  repo
rescue
  errors.add(:path, "Invalid repository path")
  false
end