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# Gitaly note: JV: needs 1 RPC, migration is in progress.
module Gitlab
module Git
class Tree
include Gitlab::EncodingHelper
attr_accessor :id, :root_id, :name, :path, :flat_path, :type,
:mode, :commit_id, :submodule_url
class << self
# Get list of tree objects
# for repository based on commit sha and path
# Uses rugged for raw objects
#
# Gitaly migration: https://gitlab.com/gitlab-org/gitaly/issues/320
def where(repository, sha, path = nil)
path = nil if path == '' || path == '/'
Gitlab::GitalyClient.migrate(:tree_entries) do |is_enabled|
if is_enabled
repository.gitaly_commit_client.tree_entries(repository, sha, path)
else
tree_entries_from_rugged(repository, sha, path)
end
end
end
private
# Recursive search of tree id for path
#
# Ex.
# blog/ # oid: 1a
# app/ # oid: 2a
# models/ # oid: 3a
# views/ # oid: 4a
#
#
# Tree.find_id_by_path(repo, '1a', 'app/models') # => '3a'
#
def find_id_by_path(repository, root_id, path)
root_tree = repository.lookup(root_id)
path_arr = path.split('/')
entry = root_tree.find do |entry|
entry[:name] == path_arr[0] && entry[:type] == :tree
end
return nil unless entry
if path_arr.size > 1
path_arr.shift
find_id_by_path(repository, entry[:oid], path_arr.join('/'))
else
entry[:oid]
end
end
def tree_entries_from_rugged(repository, sha, path)
commit = repository.lookup(sha)
root_tree = commit.tree
tree = if path
id = find_id_by_path(repository, root_tree.oid, path)
if id
repository.lookup(id)
else
[]
end
else
root_tree
end
tree.map do |entry|
new(
id: entry[:oid],
root_id: root_tree.oid,
name: entry[:name],
type: entry[:type],
mode: entry[:filemode].to_s(8),
path: path ? File.join(path, entry[:name]) : entry[:name],
commit_id: sha
)
end
rescue Rugged::ReferenceError
[]
end
end
def initialize(options)
%w(id root_id name path flat_path type mode commit_id).each do |key|
self.send("#{key}=", options[key.to_sym]) # rubocop:disable GitlabSecurity/PublicSend
end
end
def name
encode! @name
end
def path
encode! @path
end
def flat_path
encode! @flat_path
end
def dir?
type == :tree
end
def file?
type == :blob
end
def submodule?
type == :commit
end
def readme?
name =~ /^readme/i
end
def contributing?
name =~ /^contributing/i
end
end
end
end
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