1172 lines
30 KiB
Ruby
1172 lines
30 KiB
Ruby
require 'securerandom'
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class Repository
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class CommitError < StandardError; end
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# Files to use as a project avatar in case no avatar was uploaded via the web
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# UI.
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AVATAR_FILES = %w{logo.png logo.jpg logo.gif}
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include Gitlab::ShellAdapter
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attr_accessor :path_with_namespace, :project
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def self.storages
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Gitlab.config.repositories.storages
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end
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def self.remove_storage_from_path(repo_path)
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storages.find do |_, storage_path|
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if repo_path.start_with?(storage_path)
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return repo_path.sub(storage_path, '')
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end
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end
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repo_path
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end
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def initialize(path_with_namespace, project)
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@path_with_namespace = path_with_namespace
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@project = project
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end
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def raw_repository
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return nil unless path_with_namespace
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@raw_repository ||= Gitlab::Git::Repository.new(path_to_repo)
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end
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def update_autocrlf_option
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raw_repository.autocrlf = :input if raw_repository.autocrlf != :input
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end
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# Return absolute path to repository
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def path_to_repo
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@path_to_repo ||= File.expand_path(
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File.join(@project.repository_storage_path, path_with_namespace + ".git")
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)
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end
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def exists?
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return @exists unless @exists.nil?
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@exists = cache.fetch(:exists?) do
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begin
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raw_repository && raw_repository.rugged ? true : false
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rescue Gitlab::Git::Repository::NoRepository
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false
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end
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end
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end
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def empty?
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return @empty unless @empty.nil?
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@empty = cache.fetch(:empty?) { raw_repository.empty? }
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end
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#
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# Git repository can contains some hidden refs like:
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# /refs/notes/*
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# /refs/git-as-svn/*
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# /refs/pulls/*
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# This refs by default not visible in project page and not cloned to client side.
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#
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# This method return true if repository contains some content visible in project page.
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#
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def has_visible_content?
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return @has_visible_content unless @has_visible_content.nil?
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@has_visible_content = cache.fetch(:has_visible_content?) do
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branch_count > 0
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end
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end
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def commit(ref = 'HEAD')
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return nil unless exists?
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commit =
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if ref.is_a?(Gitlab::Git::Commit)
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ref
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else
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Gitlab::Git::Commit.find(raw_repository, ref)
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end
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commit = ::Commit.new(commit, @project) if commit
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commit
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rescue Rugged::OdbError, Rugged::TreeError
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nil
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end
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def commits(ref, path: nil, limit: nil, offset: nil, skip_merges: false, after: nil, before: nil)
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options = {
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repo: raw_repository,
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ref: ref,
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path: path,
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limit: limit,
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offset: offset,
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after: after,
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before: before,
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# --follow doesn't play well with --skip. See:
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# https://gitlab.com/gitlab-org/gitlab-ce/issues/3574#note_3040520
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follow: false,
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skip_merges: skip_merges
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}
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commits = Gitlab::Git::Commit.where(options)
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commits = Commit.decorate(commits, @project) if commits.present?
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commits
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end
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def commits_between(from, to)
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commits = Gitlab::Git::Commit.between(raw_repository, from, to)
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commits = Commit.decorate(commits, @project) if commits.present?
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commits
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end
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def find_commits_by_message(query, ref = nil, path = nil, limit = 1000, offset = 0)
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unless exists? && has_visible_content? && query.present?
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return []
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end
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ref ||= root_ref
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args = %W(
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#{Gitlab.config.git.bin_path} log #{ref} --pretty=%H --skip #{offset}
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--max-count #{limit} --grep=#{query} --regexp-ignore-case
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)
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args = args.concat(%W(-- #{path})) if path.present?
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git_log_results = Gitlab::Popen.popen(args, path_to_repo).first.lines
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git_log_results.map { |c| commit(c.chomp) }.compact
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end
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def find_branch(name, fresh_repo: true)
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# Since the Repository object may have in-memory index changes, invalidating the memoized Repository object may
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# cause unintended side effects. Because finding a branch is a read-only operation, we can safely instantiate
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# a new repo here to ensure a consistent state to avoid a libgit2 bug where concurrent access (e.g. via git gc)
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# may cause the branch to "disappear" erroneously or have the wrong SHA.
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#
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# See: https://github.com/libgit2/libgit2/issues/1534 and https://gitlab.com/gitlab-org/gitlab-ce/issues/15392
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raw_repo =
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if fresh_repo
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Gitlab::Git::Repository.new(path_to_repo)
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else
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raw_repository
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end
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raw_repo.find_branch(name)
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end
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def find_tag(name)
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tags.find { |tag| tag.name == name }
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end
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def add_branch(user, branch_name, target)
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oldrev = Gitlab::Git::BLANK_SHA
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ref = Gitlab::Git::BRANCH_REF_PREFIX + branch_name
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target = commit(target).try(:id)
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return false unless target
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GitHooksService.new.execute(user, path_to_repo, oldrev, target, ref) do
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update_ref!(ref, target, oldrev)
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end
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after_create_branch
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find_branch(branch_name)
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end
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def add_tag(user, tag_name, target, message = nil)
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oldrev = Gitlab::Git::BLANK_SHA
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ref = Gitlab::Git::TAG_REF_PREFIX + tag_name
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target = commit(target).try(:id)
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return false unless target
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options = { message: message, tagger: user_to_committer(user) } if message
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GitHooksService.new.execute(user, path_to_repo, oldrev, target, ref) do
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rugged.tags.create(tag_name, target, options)
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end
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find_tag(tag_name)
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end
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def rm_branch(user, branch_name)
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before_remove_branch
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branch = find_branch(branch_name)
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oldrev = branch.try(:dereferenced_target).try(:id)
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newrev = Gitlab::Git::BLANK_SHA
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ref = Gitlab::Git::BRANCH_REF_PREFIX + branch_name
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GitHooksService.new.execute(user, path_to_repo, oldrev, newrev, ref) do
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update_ref!(ref, newrev, oldrev)
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end
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after_remove_branch
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true
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end
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def rm_tag(tag_name)
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before_remove_tag
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begin
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rugged.tags.delete(tag_name)
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true
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rescue Rugged::ReferenceError
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false
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end
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end
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def ref_names
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branch_names + tag_names
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end
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def branch_names
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@branch_names ||= cache.fetch(:branch_names) { branches.map(&:name) }
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end
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def branch_exists?(branch_name)
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branch_names.include?(branch_name)
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end
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def ref_exists?(ref)
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rugged.references.exist?(ref)
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rescue Rugged::ReferenceError
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false
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end
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def update_ref!(name, newrev, oldrev)
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# We use 'git update-ref' because libgit2/rugged currently does not
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# offer 'compare and swap' ref updates. Without compare-and-swap we can
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# (and have!) accidentally reset the ref to an earlier state, clobbering
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# commits. See also https://github.com/libgit2/libgit2/issues/1534.
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command = %W(#{Gitlab.config.git.bin_path} update-ref --stdin -z)
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_, status = Gitlab::Popen.popen(command, path_to_repo) do |stdin|
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stdin.write("update #{name}\x00#{newrev}\x00#{oldrev}\x00")
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end
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return if status.zero?
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raise CommitError.new("Could not update branch #{name.sub('refs/heads/', '')}. Please refresh and try again.")
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end
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# Makes sure a commit is kept around when Git garbage collection runs.
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# Git GC will delete commits from the repository that are no longer in any
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# branches or tags, but we want to keep some of these commits around, for
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# example if they have comments or CI builds.
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def keep_around(sha)
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return unless sha && commit(sha)
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return if kept_around?(sha)
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# This will still fail if the file is corrupted (e.g. 0 bytes)
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begin
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rugged.references.create(keep_around_ref_name(sha), sha, force: true)
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rescue Rugged::ReferenceError => ex
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Rails.logger.error "Unable to create keep-around reference for repository #{path}: #{ex}"
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rescue Rugged::OSError => ex
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raise unless ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
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Rails.logger.error "Unable to create keep-around reference for repository #{path}: #{ex}"
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end
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end
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def kept_around?(sha)
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ref_exists?(keep_around_ref_name(sha))
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end
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def tag_names
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cache.fetch(:tag_names) { raw_repository.tag_names }
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end
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def commit_count
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cache.fetch(:commit_count) do
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begin
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raw_repository.commit_count(self.root_ref)
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rescue
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0
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end
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end
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end
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def branch_count
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@branch_count ||= cache.fetch(:branch_count) { branches.size }
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end
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def tag_count
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@tag_count ||= cache.fetch(:tag_count) { raw_repository.rugged.tags.count }
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end
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# Return repo size in megabytes
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# Cached in redis
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def size
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cache.fetch(:size) { raw_repository.size }
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end
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def diverging_commit_counts(branch)
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root_ref_hash = raw_repository.rev_parse_target(root_ref).oid
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cache.fetch(:"diverging_commit_counts_#{branch.name}") do
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# Rugged seems to throw a `ReferenceError` when given branch_names rather
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# than SHA-1 hashes
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number_commits_behind = raw_repository.
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count_commits_between(branch.dereferenced_target.sha, root_ref_hash)
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number_commits_ahead = raw_repository.
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count_commits_between(root_ref_hash, branch.dereferenced_target.sha)
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{ behind: number_commits_behind, ahead: number_commits_ahead }
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end
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end
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# Keys for data that can be affected for any commit push.
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def cache_keys
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%i(size commit_count
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readme version contribution_guide changelog
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license_blob license_key gitignore koding_yml)
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end
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# Keys for data on branch/tag operations.
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def cache_keys_for_branches_and_tags
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%i(branch_names tag_names branch_count tag_count)
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end
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def build_cache
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(cache_keys + cache_keys_for_branches_and_tags).each do |key|
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unless cache.exist?(key)
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send(key)
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end
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end
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end
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def expire_tags_cache
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cache.expire(:tag_names)
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@tags = nil
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end
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def expire_branches_cache
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cache.expire(:branch_names)
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@branch_names = nil
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@local_branches = nil
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end
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def expire_cache(branch_name = nil, revision = nil)
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cache_keys.each do |key|
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cache.expire(key)
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end
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expire_branch_cache(branch_name)
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expire_avatar_cache(branch_name, revision)
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# This ensures this particular cache is flushed after the first commit to a
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# new repository.
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expire_emptiness_caches if empty?
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end
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def expire_branch_cache(branch_name = nil)
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# When we push to the root branch we have to flush the cache for all other
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# branches as their statistics are based on the commits relative to the
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# root branch.
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if !branch_name || branch_name == root_ref
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branches.each do |branch|
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cache.expire(:"diverging_commit_counts_#{branch.name}")
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end
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# In case a commit is pushed to a non-root branch we only have to flush the
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# cache for said branch.
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else
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cache.expire(:"diverging_commit_counts_#{branch_name}")
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end
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end
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def expire_root_ref_cache
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cache.expire(:root_ref)
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@root_ref = nil
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end
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# Expires the cache(s) used to determine if a repository is empty or not.
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def expire_emptiness_caches
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cache.expire(:empty?)
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@empty = nil
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expire_has_visible_content_cache
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end
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def expire_has_visible_content_cache
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cache.expire(:has_visible_content?)
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@has_visible_content = nil
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end
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def expire_branch_count_cache
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cache.expire(:branch_count)
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@branch_count = nil
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end
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def expire_tag_count_cache
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cache.expire(:tag_count)
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@tag_count = nil
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end
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def lookup_cache
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@lookup_cache ||= {}
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end
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def expire_avatar_cache(branch_name = nil, revision = nil)
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# Avatars are pulled from the default branch, thus if somebody pushes to a
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# different branch there's no need to expire anything.
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return if branch_name && branch_name != root_ref
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# We don't want to flush the cache if the commit didn't actually make any
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# changes to any of the possible avatar files.
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if revision && commit = self.commit(revision)
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return unless commit.raw_diffs(deltas_only: true).
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any? { |diff| AVATAR_FILES.include?(diff.new_path) }
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end
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cache.expire(:avatar)
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@avatar = nil
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end
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def expire_exists_cache
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cache.expire(:exists?)
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@exists = nil
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end
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# expire cache that doesn't depend on repository data (when expiring)
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def expire_content_cache
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expire_tags_cache
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expire_tag_count_cache
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expire_branches_cache
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expire_branch_count_cache
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expire_root_ref_cache
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expire_emptiness_caches
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expire_exists_cache
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end
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# Runs code after a repository has been created.
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def after_create
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expire_exists_cache
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expire_root_ref_cache
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expire_emptiness_caches
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repository_event(:create_repository)
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end
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# Runs code just before a repository is deleted.
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def before_delete
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expire_exists_cache
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expire_cache if exists?
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expire_content_cache
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repository_event(:remove_repository)
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end
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# Runs code just before the HEAD of a repository is changed.
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def before_change_head
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# Cached divergent commit counts are based on repository head
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expire_branch_cache
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expire_root_ref_cache
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repository_event(:change_default_branch)
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end
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# Runs code before pushing (= creating or removing) a tag.
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def before_push_tag
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expire_cache
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expire_tags_cache
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expire_tag_count_cache
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repository_event(:push_tag)
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end
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# Runs code before removing a tag.
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def before_remove_tag
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expire_tags_cache
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expire_tag_count_cache
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repository_event(:remove_tag)
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end
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def before_import
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expire_content_cache
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end
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# Runs code after a repository has been forked/imported.
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def after_import
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expire_content_cache
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build_cache
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end
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# Runs code after a new commit has been pushed.
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def after_push_commit(branch_name, revision)
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expire_cache(branch_name, revision)
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repository_event(:push_commit, branch: branch_name)
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end
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# Runs code after a new branch has been created.
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def after_create_branch
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expire_branches_cache
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expire_has_visible_content_cache
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expire_branch_count_cache
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repository_event(:push_branch)
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end
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# Runs code before removing an existing branch.
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def before_remove_branch
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expire_branches_cache
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repository_event(:remove_branch)
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end
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# Runs code after an existing branch has been removed.
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def after_remove_branch
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expire_has_visible_content_cache
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expire_branch_count_cache
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expire_branches_cache
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end
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def method_missing(m, *args, &block)
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if m == :lookup && !block_given?
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lookup_cache[m] ||= {}
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lookup_cache[m][args.join(":")] ||= raw_repository.send(m, *args, &block)
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else
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raw_repository.send(m, *args, &block)
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end
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end
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def respond_to_missing?(method, include_private = false)
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raw_repository.respond_to?(method, include_private) || super
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end
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def blob_at(sha, path)
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unless Gitlab::Git.blank_ref?(sha)
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Blob.decorate(Gitlab::Git::Blob.find(self, sha, path))
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end
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end
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def blob_by_oid(oid)
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Gitlab::Git::Blob.raw(self, oid)
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end
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def readme
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cache.fetch(:readme) { tree(:head).readme }
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end
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def version
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cache.fetch(:version) do
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tree(:head).blobs.find do |file|
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file.name.casecmp('version').zero?
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|
end
|
|
end
|
|
end
|
|
|
|
def contribution_guide
|
|
cache.fetch(:contribution_guide) do
|
|
tree(:head).blobs.find do |file|
|
|
file.contributing?
|
|
end
|
|
end
|
|
end
|
|
|
|
def changelog
|
|
cache.fetch(:changelog) do
|
|
file_on_head(/\A(changelog|history|changes|news)/i)
|
|
end
|
|
end
|
|
|
|
def license_blob
|
|
return nil unless head_exists?
|
|
|
|
cache.fetch(:license_blob) do
|
|
file_on_head(/\A(licen[sc]e|copying)(\..+|\z)/i)
|
|
end
|
|
end
|
|
|
|
def license_key
|
|
return nil unless head_exists?
|
|
|
|
cache.fetch(:license_key) do
|
|
Licensee.license(path).try(:key)
|
|
end
|
|
end
|
|
|
|
def gitignore
|
|
return nil if !exists? || empty?
|
|
|
|
cache.fetch(:gitignore) do
|
|
file_on_head(/\A\.gitignore\z/)
|
|
end
|
|
end
|
|
|
|
def koding_yml
|
|
return nil unless head_exists?
|
|
|
|
cache.fetch(:koding_yml) do
|
|
file_on_head(/\A\.koding\.yml\z/)
|
|
end
|
|
end
|
|
|
|
def gitlab_ci_yml
|
|
return nil unless head_exists?
|
|
|
|
@gitlab_ci_yml ||= tree(:head).blobs.find do |file|
|
|
file.name == '.gitlab-ci.yml'
|
|
end
|
|
rescue Rugged::ReferenceError
|
|
# For unknow reason spinach scenario "Scenario: I change project path"
|
|
# lead to "Reference 'HEAD' not found" exception from Repository#empty?
|
|
nil
|
|
end
|
|
|
|
def head_commit
|
|
@head_commit ||= commit(self.root_ref)
|
|
end
|
|
|
|
def head_tree
|
|
@head_tree ||= Tree.new(self, head_commit.sha, nil)
|
|
end
|
|
|
|
def tree(sha = :head, path = nil)
|
|
if sha == :head
|
|
if path.nil?
|
|
return head_tree
|
|
else
|
|
sha = head_commit.sha
|
|
end
|
|
end
|
|
|
|
Tree.new(self, sha, path)
|
|
end
|
|
|
|
def blob_at_branch(branch_name, path)
|
|
last_commit = commit(branch_name)
|
|
|
|
if last_commit
|
|
blob_at(last_commit.sha, path)
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
# Returns url for submodule
|
|
#
|
|
# Ex.
|
|
# @repository.submodule_url_for('master', 'rack')
|
|
# # => git@localhost:rack.git
|
|
#
|
|
def submodule_url_for(ref, path)
|
|
if submodules(ref).any?
|
|
submodule = submodules(ref)[path]
|
|
|
|
if submodule
|
|
submodule['url']
|
|
end
|
|
end
|
|
end
|
|
|
|
def last_commit_for_path(sha, path)
|
|
args = %W(#{Gitlab.config.git.bin_path} rev-list --max-count=1 #{sha} -- #{path})
|
|
sha = Gitlab::Popen.popen(args, path_to_repo).first.strip
|
|
commit(sha)
|
|
end
|
|
|
|
def next_branch(name, opts = {})
|
|
branch_ids = self.branch_names.map do |n|
|
|
next 1 if n == name
|
|
result = n.match(/\A#{name}-([0-9]+)\z/)
|
|
result[1].to_i if result
|
|
end.compact
|
|
|
|
highest_branch_id = branch_ids.max || 0
|
|
|
|
return name if opts[:mild] && 0 == highest_branch_id
|
|
|
|
"#{name}-#{highest_branch_id + 1}"
|
|
end
|
|
|
|
# Remove archives older than 2 hours
|
|
def branches_sorted_by(value)
|
|
case value
|
|
when 'name'
|
|
branches.sort_by(&:name)
|
|
when 'updated_desc'
|
|
branches.sort do |a, b|
|
|
commit(b.dereferenced_target).committed_date <=> commit(a.dereferenced_target).committed_date
|
|
end
|
|
when 'updated_asc'
|
|
branches.sort do |a, b|
|
|
commit(a.dereferenced_target).committed_date <=> commit(b.dereferenced_target).committed_date
|
|
end
|
|
else
|
|
branches
|
|
end
|
|
end
|
|
|
|
def tags_sorted_by(value)
|
|
case value
|
|
when 'name'
|
|
VersionSorter.rsort(tags) { |tag| tag.name }
|
|
when 'updated_desc'
|
|
tags_sorted_by_committed_date.reverse
|
|
when 'updated_asc'
|
|
tags_sorted_by_committed_date
|
|
else
|
|
tags
|
|
end
|
|
end
|
|
|
|
def contributors
|
|
commits = self.commits(nil, limit: 2000, offset: 0, skip_merges: true)
|
|
|
|
commits.group_by(&:author_email).map do |email, commits|
|
|
contributor = Gitlab::Contributor.new
|
|
contributor.email = email
|
|
|
|
commits.each do |commit|
|
|
if contributor.name.blank?
|
|
contributor.name = commit.author_name
|
|
end
|
|
|
|
contributor.commits += 1
|
|
end
|
|
|
|
contributor
|
|
end
|
|
end
|
|
|
|
def ref_name_for_sha(ref_path, sha)
|
|
args = %W(#{Gitlab.config.git.bin_path} for-each-ref --count=1 #{ref_path} --contains #{sha})
|
|
|
|
# Not found -> ["", 0]
|
|
# Found -> ["b8d95eb4969eefacb0a58f6a28f6803f8070e7b9 commit\trefs/environments/production/77\n", 0]
|
|
Gitlab::Popen.popen(args, path_to_repo).first.split.last
|
|
end
|
|
|
|
def refs_contains_sha(ref_type, sha)
|
|
args = %W(#{Gitlab.config.git.bin_path} #{ref_type} --contains #{sha})
|
|
names = Gitlab::Popen.popen(args, path_to_repo).first
|
|
|
|
if names.respond_to?(:split)
|
|
names = names.split("\n").map(&:strip)
|
|
|
|
names.each do |name|
|
|
name.slice! '* '
|
|
end
|
|
|
|
names
|
|
else
|
|
[]
|
|
end
|
|
end
|
|
|
|
def branch_names_contains(sha)
|
|
refs_contains_sha('branch', sha)
|
|
end
|
|
|
|
def tag_names_contains(sha)
|
|
refs_contains_sha('tag', sha)
|
|
end
|
|
|
|
def local_branches
|
|
@local_branches ||= raw_repository.local_branches
|
|
end
|
|
|
|
alias_method :branches, :local_branches
|
|
|
|
def tags
|
|
@tags ||= raw_repository.tags
|
|
end
|
|
|
|
def root_ref
|
|
@root_ref ||= cache.fetch(:root_ref) { raw_repository.root_ref }
|
|
end
|
|
|
|
def commit_dir(user, path, message, branch, author_email: nil, author_name: nil)
|
|
update_branch_with_hooks(user, branch) do |ref|
|
|
options = {
|
|
commit: {
|
|
branch: ref,
|
|
message: message,
|
|
update_ref: false
|
|
}
|
|
}
|
|
|
|
options.merge!(get_committer_and_author(user, email: author_email, name: author_name))
|
|
|
|
raw_repository.mkdir(path, options)
|
|
end
|
|
end
|
|
|
|
def commit_file(user, path, content, message, branch, update, author_email: nil, author_name: nil)
|
|
update_branch_with_hooks(user, branch) do |ref|
|
|
options = {
|
|
commit: {
|
|
branch: ref,
|
|
message: message,
|
|
update_ref: false
|
|
},
|
|
file: {
|
|
content: content,
|
|
path: path,
|
|
update: update
|
|
}
|
|
}
|
|
|
|
options.merge!(get_committer_and_author(user, email: author_email, name: author_name))
|
|
|
|
Gitlab::Git::Blob.commit(raw_repository, options)
|
|
end
|
|
end
|
|
|
|
def update_file(user, path, content, branch:, previous_path:, message:, author_email: nil, author_name: nil)
|
|
update_branch_with_hooks(user, branch) do |ref|
|
|
options = {
|
|
commit: {
|
|
branch: ref,
|
|
message: message,
|
|
update_ref: false
|
|
},
|
|
file: {
|
|
content: content,
|
|
path: path,
|
|
update: true
|
|
}
|
|
}
|
|
|
|
options.merge!(get_committer_and_author(user, email: author_email, name: author_name))
|
|
|
|
if previous_path && previous_path != path
|
|
options[:file][:previous_path] = previous_path
|
|
Gitlab::Git::Blob.rename(raw_repository, options)
|
|
else
|
|
Gitlab::Git::Blob.commit(raw_repository, options)
|
|
end
|
|
end
|
|
end
|
|
|
|
def remove_file(user, path, message, branch, author_email: nil, author_name: nil)
|
|
update_branch_with_hooks(user, branch) do |ref|
|
|
options = {
|
|
commit: {
|
|
branch: ref,
|
|
message: message,
|
|
update_ref: false
|
|
},
|
|
file: {
|
|
path: path
|
|
}
|
|
}
|
|
|
|
options.merge!(get_committer_and_author(user, email: author_email, name: author_name))
|
|
|
|
Gitlab::Git::Blob.remove(raw_repository, options)
|
|
end
|
|
end
|
|
|
|
def multi_action(user:, branch:, message:, actions:, author_email: nil, author_name: nil)
|
|
update_branch_with_hooks(user, branch) do |ref|
|
|
index = rugged.index
|
|
parents = []
|
|
branch = find_branch(ref)
|
|
|
|
if branch
|
|
last_commit = branch.dereferenced_target
|
|
index.read_tree(last_commit.raw_commit.tree)
|
|
parents = [last_commit.sha]
|
|
end
|
|
|
|
actions.each do |action|
|
|
case action[:action]
|
|
when :create, :update, :move
|
|
mode =
|
|
case action[:action]
|
|
when :update
|
|
index.get(action[:file_path])[:mode]
|
|
when :move
|
|
index.get(action[:previous_path])[:mode]
|
|
end
|
|
mode ||= 0o100644
|
|
|
|
index.remove(action[:previous_path]) if action[:action] == :move
|
|
|
|
content = action[:encoding] == 'base64' ? Base64.decode64(action[:content]) : action[:content]
|
|
oid = rugged.write(content, :blob)
|
|
|
|
index.add(path: action[:file_path], oid: oid, mode: mode)
|
|
when :delete
|
|
index.remove(action[:file_path])
|
|
end
|
|
end
|
|
|
|
options = {
|
|
tree: index.write_tree(rugged),
|
|
message: message,
|
|
parents: parents
|
|
}
|
|
options.merge!(get_committer_and_author(user, email: author_email, name: author_name))
|
|
|
|
Rugged::Commit.create(rugged, options)
|
|
end
|
|
end
|
|
|
|
def get_committer_and_author(user, email: nil, name: nil)
|
|
committer = user_to_committer(user)
|
|
author = Gitlab::Git::committer_hash(email: email, name: name) || committer
|
|
|
|
{
|
|
author: author,
|
|
committer: committer
|
|
}
|
|
end
|
|
|
|
def user_to_committer(user)
|
|
Gitlab::Git::committer_hash(email: user.email, name: user.name)
|
|
end
|
|
|
|
def can_be_merged?(source_sha, target_branch)
|
|
our_commit = rugged.branches[target_branch].target
|
|
their_commit = rugged.lookup(source_sha)
|
|
|
|
if our_commit && their_commit
|
|
!rugged.merge_commits(our_commit, their_commit).conflicts?
|
|
else
|
|
false
|
|
end
|
|
end
|
|
|
|
def merge(user, merge_request, options = {})
|
|
our_commit = rugged.branches[merge_request.target_branch].target
|
|
their_commit = rugged.lookup(merge_request.diff_head_sha)
|
|
|
|
raise "Invalid merge target" if our_commit.nil?
|
|
raise "Invalid merge source" if their_commit.nil?
|
|
|
|
merge_index = rugged.merge_commits(our_commit, their_commit)
|
|
return false if merge_index.conflicts?
|
|
|
|
update_branch_with_hooks(user, merge_request.target_branch) do
|
|
actual_options = options.merge(
|
|
parents: [our_commit, their_commit],
|
|
tree: merge_index.write_tree(rugged),
|
|
)
|
|
|
|
commit_id = Rugged::Commit.create(rugged, actual_options)
|
|
merge_request.update(in_progress_merge_commit_sha: commit_id)
|
|
commit_id
|
|
end
|
|
end
|
|
|
|
def revert(user, commit, base_branch, revert_tree_id = nil)
|
|
source_sha = find_branch(base_branch).dereferenced_target.sha
|
|
revert_tree_id ||= check_revert_content(commit, base_branch)
|
|
|
|
return false unless revert_tree_id
|
|
|
|
update_branch_with_hooks(user, base_branch) do
|
|
committer = user_to_committer(user)
|
|
source_sha = Rugged::Commit.create(rugged,
|
|
message: commit.revert_message,
|
|
author: committer,
|
|
committer: committer,
|
|
tree: revert_tree_id,
|
|
parents: [rugged.lookup(source_sha)])
|
|
end
|
|
end
|
|
|
|
def cherry_pick(user, commit, base_branch, cherry_pick_tree_id = nil)
|
|
source_sha = find_branch(base_branch).dereferenced_target.sha
|
|
cherry_pick_tree_id ||= check_cherry_pick_content(commit, base_branch)
|
|
|
|
return false unless cherry_pick_tree_id
|
|
|
|
update_branch_with_hooks(user, base_branch) do
|
|
committer = user_to_committer(user)
|
|
source_sha = Rugged::Commit.create(rugged,
|
|
message: commit.message,
|
|
author: {
|
|
email: commit.author_email,
|
|
name: commit.author_name,
|
|
time: commit.authored_date
|
|
},
|
|
committer: committer,
|
|
tree: cherry_pick_tree_id,
|
|
parents: [rugged.lookup(source_sha)])
|
|
end
|
|
end
|
|
|
|
def resolve_conflicts(user, branch, params)
|
|
update_branch_with_hooks(user, branch) do
|
|
committer = user_to_committer(user)
|
|
|
|
Rugged::Commit.create(rugged, params.merge(author: committer, committer: committer))
|
|
end
|
|
end
|
|
|
|
def check_revert_content(commit, base_branch)
|
|
source_sha = find_branch(base_branch).dereferenced_target.sha
|
|
args = [commit.id, source_sha]
|
|
args << { mainline: 1 } if commit.merge_commit?
|
|
|
|
revert_index = rugged.revert_commit(*args)
|
|
return false if revert_index.conflicts?
|
|
|
|
tree_id = revert_index.write_tree(rugged)
|
|
return false unless diff_exists?(source_sha, tree_id)
|
|
|
|
tree_id
|
|
end
|
|
|
|
def check_cherry_pick_content(commit, base_branch)
|
|
source_sha = find_branch(base_branch).dereferenced_target.sha
|
|
args = [commit.id, source_sha]
|
|
args << 1 if commit.merge_commit?
|
|
|
|
cherry_pick_index = rugged.cherrypick_commit(*args)
|
|
return false if cherry_pick_index.conflicts?
|
|
|
|
tree_id = cherry_pick_index.write_tree(rugged)
|
|
return false unless diff_exists?(source_sha, tree_id)
|
|
|
|
tree_id
|
|
end
|
|
|
|
def diff_exists?(sha1, sha2)
|
|
rugged.diff(sha1, sha2).size > 0
|
|
end
|
|
|
|
def merged_to_root_ref?(branch_name)
|
|
branch_commit = commit(branch_name)
|
|
root_ref_commit = commit(root_ref)
|
|
|
|
if branch_commit
|
|
same_head = branch_commit.id == root_ref_commit.id
|
|
!same_head && is_ancestor?(branch_commit.id, root_ref_commit.id)
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
def merge_base(first_commit_id, second_commit_id)
|
|
first_commit_id = commit(first_commit_id).try(:id) || first_commit_id
|
|
second_commit_id = commit(second_commit_id).try(:id) || second_commit_id
|
|
rugged.merge_base(first_commit_id, second_commit_id)
|
|
rescue Rugged::ReferenceError
|
|
nil
|
|
end
|
|
|
|
def is_ancestor?(ancestor_id, descendant_id)
|
|
merge_base(ancestor_id, descendant_id) == ancestor_id
|
|
end
|
|
|
|
def search_files(query, ref)
|
|
unless exists? && has_visible_content? && query.present?
|
|
return []
|
|
end
|
|
|
|
offset = 2
|
|
args = %W(#{Gitlab.config.git.bin_path} grep -i -I -n --before-context #{offset} --after-context #{offset} -E -e #{Regexp.escape(query)} #{ref || root_ref})
|
|
Gitlab::Popen.popen(args, path_to_repo).first.scrub.split(/^--$/)
|
|
end
|
|
|
|
def fetch_ref(source_path, source_ref, target_ref)
|
|
args = %W(#{Gitlab.config.git.bin_path} fetch --no-tags -f #{source_path} #{source_ref}:#{target_ref})
|
|
Gitlab::Popen.popen(args, path_to_repo)
|
|
end
|
|
|
|
def create_ref(ref, ref_path)
|
|
fetch_ref(path_to_repo, ref, ref_path)
|
|
end
|
|
|
|
def update_branch_with_hooks(current_user, branch)
|
|
update_autocrlf_option
|
|
|
|
ref = Gitlab::Git::BRANCH_REF_PREFIX + branch
|
|
target_branch = find_branch(branch)
|
|
was_empty = empty?
|
|
|
|
# Make commit
|
|
newrev = yield(ref)
|
|
|
|
unless newrev
|
|
raise CommitError.new('Failed to create commit')
|
|
end
|
|
|
|
if rugged.lookup(newrev).parent_ids.empty? || target_branch.nil?
|
|
oldrev = Gitlab::Git::BLANK_SHA
|
|
else
|
|
oldrev = rugged.merge_base(newrev, target_branch.dereferenced_target.sha)
|
|
end
|
|
|
|
GitHooksService.new.execute(current_user, path_to_repo, oldrev, newrev, ref) do
|
|
update_ref!(ref, newrev, oldrev)
|
|
|
|
if was_empty || !target_branch
|
|
# If repo was empty expire cache
|
|
after_create if was_empty
|
|
after_create_branch
|
|
end
|
|
end
|
|
|
|
newrev
|
|
end
|
|
|
|
def ls_files(ref)
|
|
actual_ref = ref || root_ref
|
|
raw_repository.ls_files(actual_ref)
|
|
end
|
|
|
|
def gitattribute(path, name)
|
|
raw_repository.attributes(path)[name]
|
|
end
|
|
|
|
def copy_gitattributes(ref)
|
|
actual_ref = ref || root_ref
|
|
begin
|
|
raw_repository.copy_gitattributes(actual_ref)
|
|
true
|
|
rescue Gitlab::Git::Repository::InvalidRef
|
|
false
|
|
end
|
|
end
|
|
|
|
def avatar
|
|
return nil unless exists?
|
|
|
|
@avatar ||= cache.fetch(:avatar) do
|
|
AVATAR_FILES.find do |file|
|
|
blob_at_branch(root_ref, file)
|
|
end
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def cache
|
|
@cache ||= RepositoryCache.new(path_with_namespace, @project.id)
|
|
end
|
|
|
|
def head_exists?
|
|
exists? && !empty? && !rugged.head_unborn?
|
|
end
|
|
|
|
def file_on_head(regex)
|
|
tree(:head).blobs.find { |file| file.name =~ regex }
|
|
end
|
|
|
|
def tags_sorted_by_committed_date
|
|
tags.sort_by { |tag| tag.dereferenced_target.committed_date }
|
|
end
|
|
|
|
def keep_around_ref_name(sha)
|
|
"refs/keep-around/#{sha}"
|
|
end
|
|
|
|
def repository_event(event, tags = {})
|
|
Gitlab::Metrics.add_event(event, { path: path_with_namespace }.merge(tags))
|
|
end
|
|
end
|