1202 lines
37 KiB
Ruby
1202 lines
37 KiB
Ruby
# Gitlab::Git::Repository is a wrapper around native Rugged::Repository object
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require 'tempfile'
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require 'forwardable'
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require "rubygems/package"
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module Gitlab
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module Git
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class Repository
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include Gitlab::Git::Popen
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SEARCH_CONTEXT_LINES = 3
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NoRepository = Class.new(StandardError)
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InvalidBlobName = Class.new(StandardError)
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InvalidRef = Class.new(StandardError)
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# Full path to repo
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attr_reader :path
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# Directory name of repo
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attr_reader :name
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# Rugged repo object
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attr_reader :rugged
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# 'path' must be the path to a _bare_ git repository, e.g.
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# /path/to/my-repo.git
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def initialize(path)
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@path = path
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@name = path.split("/").last
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@attributes = Gitlab::Git::Attributes.new(path)
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end
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delegate :empty?,
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:bare?,
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to: :rugged
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# Default branch in the repository
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def root_ref
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@root_ref ||= discover_default_branch
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end
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# Alias to old method for compatibility
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def raw
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rugged
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end
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def rugged
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@rugged ||= Rugged::Repository.new(path)
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rescue Rugged::RepositoryError, Rugged::OSError
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raise NoRepository.new('no repository for such path')
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end
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# Returns an Array of branch names
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# sorted by name ASC
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def branch_names
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branches.map(&:name)
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end
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# Returns an Array of Branches
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def branches
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rugged.branches.map do |rugged_ref|
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begin
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Gitlab::Git::Branch.new(self, rugged_ref.name, rugged_ref.target)
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rescue Rugged::ReferenceError
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# Omit invalid branch
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end
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end.compact.sort_by(&:name)
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end
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def reload_rugged
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@rugged = nil
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end
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# Directly find a branch with a simple name (e.g. master)
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#
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# force_reload causes a new Rugged repository to be instantiated
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#
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# This is to work around a bug in libgit2 that causes in-memory refs to
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# be stale/invalid when packed-refs is changed.
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# See https://gitlab.com/gitlab-org/gitlab-ce/issues/15392#note_14538333
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def find_branch(name, force_reload = false)
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reload_rugged if force_reload
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rugged_ref = rugged.branches[name]
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Gitlab::Git::Branch.new(self, rugged_ref.name, rugged_ref.target) if rugged_ref
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end
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def local_branches
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rugged.branches.each(:local).map do |branch|
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Gitlab::Git::Branch.new(self, branch.name, branch.target)
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end
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end
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# Returns the number of valid branches
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def branch_count
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rugged.branches.count do |ref|
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begin
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ref.name && ref.target # ensures the branch is valid
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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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end
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# Returns an Array of tag names
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def tag_names
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rugged.tags.map { |t| t.name }
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end
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# Returns an Array of Tags
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def tags
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rugged.references.each("refs/tags/*").map do |ref|
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message = nil
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if ref.target.is_a?(Rugged::Tag::Annotation)
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tag_message = ref.target.message
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if tag_message.respond_to?(:chomp)
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message = tag_message.chomp
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end
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end
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Gitlab::Git::Tag.new(self, ref.name, ref.target, message)
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end.sort_by(&:name)
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end
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# Returns true if the given tag exists
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#
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# name - The name of the tag as a String.
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def tag_exists?(name)
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!!rugged.tags[name]
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end
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# Returns true if the given branch exists
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#
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# name - The name of the branch as a String.
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def branch_exists?(name)
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rugged.branches.exists?(name)
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# If the branch name is invalid (e.g. ".foo") Rugged will raise an error.
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# Whatever code calls this method shouldn't have to deal with that so
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# instead we just return `false` (which is true since a branch doesn't
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# exist when it has an invalid name).
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rescue Rugged::ReferenceError
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false
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end
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# Returns an Array of branch and tag names
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def ref_names
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branch_names + tag_names
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end
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# Deprecated. Will be removed in 5.2
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def heads
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rugged.references.each("refs/heads/*").map do |head|
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Gitlab::Git::Ref.new(self, head.name, head.target)
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end.sort_by(&:name)
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end
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def has_commits?
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!empty?
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end
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def repo_exists?
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!!rugged
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end
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# Discovers the default branch based on the repository's available branches
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#
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# - If no branches are present, returns nil
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# - If one branch is present, returns its name
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# - If two or more branches are present, returns current HEAD or master or first branch
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def discover_default_branch
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names = branch_names
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return if names.empty?
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return names[0] if names.length == 1
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if rugged_head
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extracted_name = Ref.extract_branch_name(rugged_head.name)
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return extracted_name if names.include?(extracted_name)
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end
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if names.include?('master')
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'master'
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else
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names[0]
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end
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end
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def rugged_head
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rugged.head
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rescue Rugged::ReferenceError
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nil
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end
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def archive_prefix(ref, sha)
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project_name = self.name.chomp('.git')
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"#{project_name}-#{ref.parameterize}-#{sha}"
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end
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def archive_metadata(ref, storage_path, format = "tar.gz")
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ref ||= root_ref
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commit = Gitlab::Git::Commit.find(self, ref)
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return {} if commit.nil?
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prefix = archive_prefix(ref, commit.id)
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{
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'RepoPath' => path,
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'ArchivePrefix' => prefix,
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'ArchivePath' => archive_file_path(prefix, storage_path, format),
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'CommitId' => commit.id,
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}
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end
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def archive_file_path(name, storage_path, format = "tar.gz")
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# Build file path
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return nil unless name
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extension =
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case format
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when "tar.bz2", "tbz", "tbz2", "tb2", "bz2"
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"tar.bz2"
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when "tar"
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"tar"
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when "zip"
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"zip"
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else
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# everything else should fall back to tar.gz
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"tar.gz"
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end
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file_name = "#{name}.#{extension}"
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File.join(storage_path, self.name, file_name)
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end
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# Return repo size in megabytes
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def size
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size = popen(%w(du -sk), path).first.strip.to_i
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(size.to_f / 1024).round(2)
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end
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# Returns an array of BlobSnippets for files at the specified +ref+ that
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# contain the +query+ string.
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def search_files(query, ref = nil)
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greps = []
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ref ||= root_ref
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populated_index(ref).each do |entry|
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# Discard submodules
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next if submodule?(entry)
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blob = Gitlab::Git::Blob.raw(self, entry[:oid])
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# Skip binary files
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next if blob.data.encoding == Encoding::ASCII_8BIT
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blob.load_all_data!(self)
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greps += build_greps(blob.data, query, ref, entry[:path])
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end
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greps
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end
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# Use the Rugged Walker API to build an array of commits.
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#
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# Usage.
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# repo.log(
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# ref: 'master',
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# path: 'app/models',
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# limit: 10,
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# offset: 5,
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# after: Time.new(2016, 4, 21, 14, 32, 10)
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# )
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#
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def log(options)
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default_options = {
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limit: 10,
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offset: 0,
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path: nil,
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follow: false,
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skip_merges: false,
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disable_walk: false,
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after: nil,
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before: nil
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}
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options = default_options.merge(options)
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options[:limit] ||= 0
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options[:offset] ||= 0
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actual_ref = options[:ref] || root_ref
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begin
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sha = sha_from_ref(actual_ref)
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rescue Rugged::OdbError, Rugged::InvalidError, Rugged::ReferenceError
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# Return an empty array if the ref wasn't found
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return []
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end
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if log_using_shell?(options)
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log_by_shell(sha, options)
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else
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log_by_walk(sha, options)
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end
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end
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def log_using_shell?(options)
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options[:path].present? ||
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options[:disable_walk] ||
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options[:skip_merges] ||
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options[:after] ||
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options[:before]
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end
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def log_by_walk(sha, options)
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walk_options = {
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show: sha,
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sort: Rugged::SORT_DATE,
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limit: options[:limit],
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offset: options[:offset]
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}
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Rugged::Walker.walk(rugged, walk_options).to_a
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end
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def log_by_shell(sha, options)
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limit = options[:limit].to_i
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offset = options[:offset].to_i
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use_follow_flag = options[:follow] && options[:path].present?
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# We will perform the offset in Ruby because --follow doesn't play well with --skip.
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# See: https://gitlab.com/gitlab-org/gitlab-ce/issues/3574#note_3040520
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offset_in_ruby = use_follow_flag && options[:offset].present?
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limit += offset if offset_in_ruby
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cmd = %W[#{Gitlab.config.git.bin_path} --git-dir=#{path} log]
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cmd << "--max-count=#{limit}"
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cmd << '--format=%H'
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cmd << "--skip=#{offset}" unless offset_in_ruby
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cmd << '--follow' if use_follow_flag
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cmd << '--no-merges' if options[:skip_merges]
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cmd << "--after=#{options[:after].iso8601}" if options[:after]
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cmd << "--before=#{options[:before].iso8601}" if options[:before]
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cmd << sha
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cmd += %W[-- #{options[:path]}] if options[:path].present?
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raw_output = IO.popen(cmd) { |io| io.read }
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lines = offset_in_ruby ? raw_output.lines.drop(offset) : raw_output.lines
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lines.map! { |c| Rugged::Commit.new(rugged, c.strip) }
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end
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def sha_from_ref(ref)
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rev_parse_target(ref).oid
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end
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# Return the object that +revspec+ points to. If +revspec+ is an
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# annotated tag, then return the tag's target instead.
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def rev_parse_target(revspec)
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obj = rugged.rev_parse(revspec)
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Ref.dereference_object(obj)
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end
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# Return a collection of Rugged::Commits between the two revspec arguments.
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# See http://git-scm.com/docs/git-rev-parse.html#_specifying_revisions for
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# a detailed list of valid arguments.
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def commits_between(from, to)
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walker = Rugged::Walker.new(rugged)
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walker.sorting(Rugged::SORT_DATE | Rugged::SORT_REVERSE)
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sha_from = sha_from_ref(from)
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sha_to = sha_from_ref(to)
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walker.push(sha_to)
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walker.hide(sha_from)
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commits = walker.to_a
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walker.reset
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commits
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end
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# Counts the amount of commits between `from` and `to`.
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def count_commits_between(from, to)
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commits_between(from, to).size
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end
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# Returns the SHA of the most recent common ancestor of +from+ and +to+
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def merge_base_commit(from, to)
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rugged.merge_base(from, to)
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end
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# Return an array of Diff objects that represent the diff
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# between +from+ and +to+. See Diff::filter_diff_options for the allowed
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# diff options. The +options+ hash can also include :break_rewrites to
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# split larger rewrites into delete/add pairs.
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def diff(from, to, options = {}, *paths)
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Gitlab::Git::DiffCollection.new(diff_patches(from, to, options, *paths), options)
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end
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# Returns commits collection
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#
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# Ex.
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# repo.find_commits(
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# ref: 'master',
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# max_count: 10,
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# skip: 5,
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# order: :date
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# )
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#
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# +options+ is a Hash of optional arguments to git
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# :ref is the ref from which to begin (SHA1 or name)
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# :contains is the commit contained by the refs from which to begin (SHA1 or name)
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# :max_count is the maximum number of commits to fetch
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# :skip is the number of commits to skip
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# :order is the commits order and allowed value is :date(default) or :topo
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#
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def find_commits(options = {})
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actual_options = options.dup
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allowed_options = [:ref, :max_count, :skip, :contains, :order]
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actual_options.keep_if do |key|
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allowed_options.include?(key)
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end
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default_options = { skip: 0 }
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actual_options = default_options.merge(actual_options)
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walker = Rugged::Walker.new(rugged)
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if actual_options[:ref]
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walker.push(rugged.rev_parse_oid(actual_options[:ref]))
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elsif actual_options[:contains]
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branches_contains(actual_options[:contains]).each do |branch|
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walker.push(branch.target_id)
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end
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else
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rugged.references.each("refs/heads/*") do |ref|
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walker.push(ref.target_id)
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end
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end
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if actual_options[:order] == :topo
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walker.sorting(Rugged::SORT_TOPO)
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else
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walker.sorting(Rugged::SORT_DATE)
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end
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commits = []
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offset = actual_options[:skip]
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limit = actual_options[:max_count]
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walker.each(offset: offset, limit: limit) do |commit|
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gitlab_commit = Gitlab::Git::Commit.decorate(commit)
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commits.push(gitlab_commit)
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end
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walker.reset
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commits
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rescue Rugged::OdbError
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[]
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end
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# Returns branch names collection that contains the special commit(SHA1
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# or name)
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#
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# Ex.
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# repo.branch_names_contains('master')
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#
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def branch_names_contains(commit)
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branches_contains(commit).map { |c| c.name }
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end
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# Returns branch collection that contains the special commit(SHA1 or name)
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#
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# Ex.
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# repo.branch_names_contains('master')
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#
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def branches_contains(commit)
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commit_obj = rugged.rev_parse(commit)
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parent = commit_obj.parents.first unless commit_obj.parents.empty?
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walker = Rugged::Walker.new(rugged)
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rugged.branches.select do |branch|
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walker.push(branch.target_id)
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walker.hide(parent) if parent
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result = walker.any? { |c| c.oid == commit_obj.oid }
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walker.reset
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result
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end
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end
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# Get refs hash which key is SHA1
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# and value is a Rugged::Reference
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def refs_hash
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# Initialize only when first call
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if @refs_hash.nil?
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@refs_hash = Hash.new { |h, k| h[k] = [] }
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rugged.references.each do |r|
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# Symbolic/remote references may not have an OID; skip over them
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target_oid = r.target.try(:oid)
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if target_oid
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sha = rev_parse_target(target_oid).oid
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@refs_hash[sha] << r
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end
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end
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end
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@refs_hash
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end
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# Lookup for rugged object by oid or ref name
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def lookup(oid_or_ref_name)
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rugged.rev_parse(oid_or_ref_name)
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end
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# Return hash with submodules info for this repository
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#
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# Ex.
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# {
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# "rack" => {
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# "id" => "c67be4624545b4263184c4a0e8f887efd0a66320",
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# "path" => "rack",
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# "url" => "git://github.com/chneukirchen/rack.git"
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# },
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# "encoding" => {
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# "id" => ....
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# }
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# }
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#
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def submodules(ref)
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commit = rev_parse_target(ref)
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return {} unless commit
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begin
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content = blob_content(commit, ".gitmodules")
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rescue InvalidBlobName
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return {}
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end
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parse_gitmodules(commit, content)
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end
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# Return total commits count accessible from passed ref
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def commit_count(ref)
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walker = Rugged::Walker.new(rugged)
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walker.sorting(Rugged::SORT_TOPO | Rugged::SORT_REVERSE)
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oid = rugged.rev_parse_oid(ref)
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walker.push(oid)
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walker.count
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end
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# Sets HEAD to the commit specified by +ref+; +ref+ can be a branch or
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# tag name or a commit SHA. Valid +reset_type+ values are:
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#
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# [:soft]
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# the head will be moved to the commit.
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# [:mixed]
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# will trigger a +:soft+ reset, plus the index will be replaced
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# with the content of the commit tree.
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|
# [:hard]
|
|
# will trigger a +:mixed+ reset and the working directory will be
|
|
# replaced with the content of the index. (Untracked and ignored files
|
|
# will be left alone)
|
|
delegate :reset, to: :rugged
|
|
|
|
# Mimic the `git clean` command and recursively delete untracked files.
|
|
# Valid keys that can be passed in the +options+ hash are:
|
|
#
|
|
# :d - Remove untracked directories
|
|
# :f - Remove untracked directories that are managed by a different
|
|
# repository
|
|
# :x - Remove ignored files
|
|
#
|
|
# The value in +options+ must evaluate to true for an option to take
|
|
# effect.
|
|
#
|
|
# Examples:
|
|
#
|
|
# repo.clean(d: true, f: true) # Enable the -d and -f options
|
|
#
|
|
# repo.clean(d: false, x: true) # -x is enabled, -d is not
|
|
def clean(options = {})
|
|
strategies = [:remove_untracked]
|
|
strategies.push(:force) if options[:f]
|
|
strategies.push(:remove_ignored) if options[:x]
|
|
|
|
# TODO: implement this method
|
|
end
|
|
|
|
# Check out the specified ref. Valid options are:
|
|
#
|
|
# :b - Create a new branch at +start_point+ and set HEAD to the new
|
|
# branch.
|
|
#
|
|
# * These options are passed to the Rugged::Repository#checkout method:
|
|
#
|
|
# :progress ::
|
|
# A callback that will be executed for checkout progress notifications.
|
|
# Up to 3 parameters are passed on each execution:
|
|
#
|
|
# - The path to the last updated file (or +nil+ on the very first
|
|
# invocation).
|
|
# - The number of completed checkout steps.
|
|
# - The number of total checkout steps to be performed.
|
|
#
|
|
# :notify ::
|
|
# A callback that will be executed for each checkout notification
|
|
# types specified with +:notify_flags+. Up to 5 parameters are passed
|
|
# on each execution:
|
|
#
|
|
# - An array containing the +:notify_flags+ that caused the callback
|
|
# execution.
|
|
# - The path of the current file.
|
|
# - A hash describing the baseline blob (or +nil+ if it does not
|
|
# exist).
|
|
# - A hash describing the target blob (or +nil+ if it does not exist).
|
|
# - A hash describing the workdir blob (or +nil+ if it does not
|
|
# exist).
|
|
#
|
|
# :strategy ::
|
|
# A single symbol or an array of symbols representing the strategies
|
|
# to use when performing the checkout. Possible values are:
|
|
#
|
|
# :none ::
|
|
# Perform a dry run (default).
|
|
#
|
|
# :safe ::
|
|
# Allow safe updates that cannot overwrite uncommitted data.
|
|
#
|
|
# :safe_create ::
|
|
# Allow safe updates plus creation of missing files.
|
|
#
|
|
# :force ::
|
|
# Allow all updates to force working directory to look like index.
|
|
#
|
|
# :allow_conflicts ::
|
|
# Allow checkout to make safe updates even if conflicts are found.
|
|
#
|
|
# :remove_untracked ::
|
|
# Remove untracked files not in index (that are not ignored).
|
|
#
|
|
# :remove_ignored ::
|
|
# Remove ignored files not in index.
|
|
#
|
|
# :update_only ::
|
|
# Only update existing files, don't create new ones.
|
|
#
|
|
# :dont_update_index ::
|
|
# Normally checkout updates index entries as it goes; this stops
|
|
# that.
|
|
#
|
|
# :no_refresh ::
|
|
# Don't refresh index/config/etc before doing checkout.
|
|
#
|
|
# :disable_pathspec_match ::
|
|
# Treat pathspec as simple list of exact match file paths.
|
|
#
|
|
# :skip_locked_directories ::
|
|
# Ignore directories in use, they will be left empty.
|
|
#
|
|
# :skip_unmerged ::
|
|
# Allow checkout to skip unmerged files (NOT IMPLEMENTED).
|
|
#
|
|
# :use_ours ::
|
|
# For unmerged files, checkout stage 2 from index (NOT IMPLEMENTED).
|
|
#
|
|
# :use_theirs ::
|
|
# For unmerged files, checkout stage 3 from index (NOT IMPLEMENTED).
|
|
#
|
|
# :update_submodules ::
|
|
# Recursively checkout submodules with same options (NOT
|
|
# IMPLEMENTED).
|
|
#
|
|
# :update_submodules_if_changed ::
|
|
# Recursively checkout submodules if HEAD moved in super repo (NOT
|
|
# IMPLEMENTED).
|
|
#
|
|
# :disable_filters ::
|
|
# If +true+, filters like CRLF line conversion will be disabled.
|
|
#
|
|
# :dir_mode ::
|
|
# Mode for newly created directories. Default: +0755+.
|
|
#
|
|
# :file_mode ::
|
|
# Mode for newly created files. Default: +0755+ or +0644+.
|
|
#
|
|
# :file_open_flags ::
|
|
# Mode for opening files. Default:
|
|
# <code>IO::CREAT | IO::TRUNC | IO::WRONLY</code>.
|
|
#
|
|
# :notify_flags ::
|
|
# A single symbol or an array of symbols representing the cases in
|
|
# which the +:notify+ callback should be invoked. Possible values are:
|
|
#
|
|
# :none ::
|
|
# Do not invoke the +:notify+ callback (default).
|
|
#
|
|
# :conflict ::
|
|
# Invoke the callback for conflicting paths.
|
|
#
|
|
# :dirty ::
|
|
# Invoke the callback for "dirty" files, i.e. those that do not need
|
|
# an update but no longer match the baseline.
|
|
#
|
|
# :updated ::
|
|
# Invoke the callback for any file that was changed.
|
|
#
|
|
# :untracked ::
|
|
# Invoke the callback for untracked files.
|
|
#
|
|
# :ignored ::
|
|
# Invoke the callback for ignored files.
|
|
#
|
|
# :all ::
|
|
# Invoke the callback for all these cases.
|
|
#
|
|
# :paths ::
|
|
# A glob string or an array of glob strings specifying which paths
|
|
# should be taken into account for the checkout operation. +nil+ will
|
|
# match all files. Default: +nil+.
|
|
#
|
|
# :baseline ::
|
|
# A Rugged::Tree that represents the current, expected contents of the
|
|
# workdir. Default: +HEAD+.
|
|
#
|
|
# :target_directory ::
|
|
# A path to an alternative workdir directory in which the checkout
|
|
# should be performed.
|
|
def checkout(ref, options = {}, start_point = "HEAD")
|
|
if options[:b]
|
|
rugged.branches.create(ref, start_point)
|
|
options.delete(:b)
|
|
end
|
|
default_options = { strategy: [:recreate_missing, :safe] }
|
|
rugged.checkout(ref, default_options.merge(options))
|
|
end
|
|
|
|
# Delete the specified branch from the repository
|
|
def delete_branch(branch_name)
|
|
rugged.branches.delete(branch_name)
|
|
end
|
|
|
|
# Create a new branch named **ref+ based on **stat_point+, HEAD by default
|
|
#
|
|
# Examples:
|
|
# create_branch("feature")
|
|
# create_branch("other-feature", "master")
|
|
def create_branch(ref, start_point = "HEAD")
|
|
rugged_ref = rugged.branches.create(ref, start_point)
|
|
Gitlab::Git::Branch.new(self, rugged_ref.name, rugged_ref.target)
|
|
rescue Rugged::ReferenceError => e
|
|
raise InvalidRef.new("Branch #{ref} already exists") if e.to_s =~ /'refs\/heads\/#{ref}'/
|
|
raise InvalidRef.new("Invalid reference #{start_point}")
|
|
end
|
|
|
|
# Return an array of this repository's remote names
|
|
def remote_names
|
|
rugged.remotes.each_name.to_a
|
|
end
|
|
|
|
# Delete the specified remote from this repository.
|
|
def remote_delete(remote_name)
|
|
rugged.remotes.delete(remote_name)
|
|
end
|
|
|
|
# Add a new remote to this repository. Returns a Rugged::Remote object
|
|
def remote_add(remote_name, url)
|
|
rugged.remotes.create(remote_name, url)
|
|
end
|
|
|
|
# Update the specified remote using the values in the +options+ hash
|
|
#
|
|
# Example
|
|
# repo.update_remote("origin", url: "path/to/repo")
|
|
def remote_update(remote_name, options = {})
|
|
# TODO: Implement other remote options
|
|
rugged.remotes.set_url(remote_name, options[:url]) if options[:url]
|
|
end
|
|
|
|
# Fetch the specified remote
|
|
def fetch(remote_name)
|
|
rugged.remotes[remote_name].fetch
|
|
end
|
|
|
|
# Push +*refspecs+ to the remote identified by +remote_name+.
|
|
def push(remote_name, *refspecs)
|
|
rugged.remotes[remote_name].push(refspecs)
|
|
end
|
|
|
|
# Merge the +source_name+ branch into the +target_name+ branch. This is
|
|
# equivalent to `git merge --no_ff +source_name+`, since a merge commit
|
|
# is always created.
|
|
def merge(source_name, target_name, options = {})
|
|
our_commit = rugged.branches[target_name].target
|
|
their_commit = rugged.branches[source_name].target
|
|
|
|
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?
|
|
|
|
actual_options = options.merge(
|
|
parents: [our_commit, their_commit],
|
|
tree: merge_index.write_tree(rugged),
|
|
update_ref: "refs/heads/#{target_name}"
|
|
)
|
|
Rugged::Commit.create(rugged, actual_options)
|
|
end
|
|
|
|
def commits_since(from_date)
|
|
walker = Rugged::Walker.new(rugged)
|
|
walker.sorting(Rugged::SORT_DATE | Rugged::SORT_REVERSE)
|
|
|
|
rugged.references.each("refs/heads/*") do |ref|
|
|
walker.push(ref.target_id)
|
|
end
|
|
|
|
commits = []
|
|
walker.each do |commit|
|
|
break if commit.author[:time].to_date < from_date
|
|
commits.push(commit)
|
|
end
|
|
|
|
commits
|
|
end
|
|
|
|
AUTOCRLF_VALUES = {
|
|
"true" => true,
|
|
"false" => false,
|
|
"input" => :input
|
|
}.freeze
|
|
|
|
def autocrlf
|
|
AUTOCRLF_VALUES[rugged.config['core.autocrlf']]
|
|
end
|
|
|
|
def autocrlf=(value)
|
|
rugged.config['core.autocrlf'] = AUTOCRLF_VALUES.invert[value]
|
|
end
|
|
|
|
# Returns result like "git ls-files" , recursive and full file path
|
|
#
|
|
# Ex.
|
|
# repo.ls_files('master')
|
|
#
|
|
def ls_files(ref)
|
|
actual_ref = ref || root_ref
|
|
|
|
begin
|
|
sha_from_ref(actual_ref)
|
|
rescue Rugged::OdbError, Rugged::InvalidError, Rugged::ReferenceError
|
|
# Return an empty array if the ref wasn't found
|
|
return []
|
|
end
|
|
|
|
cmd = %W(#{Gitlab.config.git.bin_path} --git-dir=#{path} ls-tree)
|
|
cmd += %w(-r)
|
|
cmd += %w(--full-tree)
|
|
cmd += %w(--full-name)
|
|
cmd += %W(-- #{actual_ref})
|
|
|
|
raw_output = IO.popen(cmd, &:read).split("\n").map do |f|
|
|
stuff, path = f.split("\t")
|
|
_mode, type, _sha = stuff.split(" ")
|
|
path if type == "blob"
|
|
# Contain only blob type
|
|
end
|
|
|
|
raw_output.compact
|
|
end
|
|
|
|
def copy_gitattributes(ref)
|
|
begin
|
|
commit = lookup(ref)
|
|
rescue Rugged::ReferenceError
|
|
raise InvalidRef.new("Ref #{ref} is invalid")
|
|
end
|
|
|
|
# Create the paths
|
|
info_dir_path = File.join(path, 'info')
|
|
info_attributes_path = File.join(info_dir_path, 'attributes')
|
|
|
|
begin
|
|
# Retrieve the contents of the blob
|
|
gitattributes_content = blob_content(commit, '.gitattributes')
|
|
rescue InvalidBlobName
|
|
# No .gitattributes found. Should now remove any info/attributes and return
|
|
File.delete(info_attributes_path) if File.exist?(info_attributes_path)
|
|
return
|
|
end
|
|
|
|
# Create the info directory if needed
|
|
Dir.mkdir(info_dir_path) unless File.directory?(info_dir_path)
|
|
|
|
# Write the contents of the .gitattributes file to info/attributes
|
|
# Use binary mode to prevent Rails from converting ASCII-8BIT to UTF-8
|
|
File.open(info_attributes_path, "wb") do |file|
|
|
file.write(gitattributes_content)
|
|
end
|
|
end
|
|
|
|
# Checks if the blob should be diffable according to its attributes
|
|
def diffable?(blob)
|
|
attributes(blob.path).fetch('diff') { blob.text? }
|
|
end
|
|
|
|
# Returns the Git attributes for the given file path.
|
|
#
|
|
# See `Gitlab::Git::Attributes` for more information.
|
|
def attributes(path)
|
|
@attributes.attributes(path)
|
|
end
|
|
|
|
private
|
|
|
|
# Get the content of a blob for a given commit. If the blob is a commit
|
|
# (for submodules) then return the blob's OID.
|
|
def blob_content(commit, blob_name)
|
|
blob_entry = tree_entry(commit, blob_name)
|
|
|
|
unless blob_entry
|
|
raise InvalidBlobName.new("Invalid blob name: #{blob_name}")
|
|
end
|
|
|
|
case blob_entry[:type]
|
|
when :commit
|
|
blob_entry[:oid]
|
|
when :tree
|
|
raise InvalidBlobName.new("#{blob_name} is a tree, not a blob")
|
|
when :blob
|
|
rugged.lookup(blob_entry[:oid]).content
|
|
end
|
|
end
|
|
|
|
# Parses the contents of a .gitmodules file and returns a hash of
|
|
# submodule information.
|
|
def parse_gitmodules(commit, content)
|
|
results = {}
|
|
|
|
current = ""
|
|
content.split("\n").each do |txt|
|
|
if txt =~ /^\s*\[/
|
|
current = txt.match(/(?<=").*(?=")/)[0]
|
|
results[current] = {}
|
|
else
|
|
next unless results[current]
|
|
match_data = txt.match(/(\w+)\s*=\s*(.*)/)
|
|
next unless match_data
|
|
target = match_data[2].chomp
|
|
results[current][match_data[1]] = target
|
|
|
|
if match_data[1] == "path"
|
|
begin
|
|
results[current]["id"] = blob_content(commit, target)
|
|
rescue InvalidBlobName
|
|
results.delete(current)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
results
|
|
end
|
|
|
|
# Returns true if +commit+ introduced changes to +path+, using commit
|
|
# trees to make that determination. Uses the history simplification
|
|
# rules that `git log` uses by default, where a commit is omitted if it
|
|
# is TREESAME to any parent.
|
|
#
|
|
# If the +follow+ option is true and the file specified by +path+ was
|
|
# renamed, then the path value is set to the old path.
|
|
def commit_touches_path?(commit, path, follow, walker)
|
|
entry = tree_entry(commit, path)
|
|
|
|
if commit.parents.empty?
|
|
# This is the root commit, return true if it has +path+ in its tree
|
|
return !entry.nil?
|
|
end
|
|
|
|
num_treesame = 0
|
|
commit.parents.each do |parent|
|
|
parent_entry = tree_entry(parent, path)
|
|
|
|
# Only follow the first TREESAME parent for merge commits
|
|
if num_treesame > 0
|
|
walker.hide(parent)
|
|
next
|
|
end
|
|
|
|
if entry.nil? && parent_entry.nil?
|
|
num_treesame += 1
|
|
elsif entry && parent_entry && entry[:oid] == parent_entry[:oid]
|
|
num_treesame += 1
|
|
end
|
|
end
|
|
|
|
case num_treesame
|
|
when 0
|
|
detect_rename(commit, commit.parents.first, path) if follow
|
|
true
|
|
else false
|
|
end
|
|
end
|
|
|
|
# Find the entry for +path+ in the tree for +commit+
|
|
def tree_entry(commit, path)
|
|
pathname = Pathname.new(path)
|
|
first = true
|
|
tmp_entry = nil
|
|
|
|
pathname.each_filename do |dir|
|
|
if first
|
|
tmp_entry = commit.tree[dir]
|
|
first = false
|
|
elsif tmp_entry.nil?
|
|
return nil
|
|
else
|
|
tmp_entry = rugged.lookup(tmp_entry[:oid])
|
|
return nil unless tmp_entry.type == :tree
|
|
tmp_entry = tmp_entry[dir]
|
|
end
|
|
end
|
|
|
|
tmp_entry
|
|
end
|
|
|
|
# Compare +commit+ and +parent+ for +path+. If +path+ is a file and was
|
|
# renamed in +commit+, then set +path+ to the old filename.
|
|
def detect_rename(commit, parent, path)
|
|
diff = parent.diff(commit, paths: [path], disable_pathspec_match: true)
|
|
|
|
# If +path+ is a filename, not a directory, then we should only have
|
|
# one delta. We don't need to follow renames for directories.
|
|
return nil if diff.each_delta.count > 1
|
|
|
|
delta = diff.each_delta.first
|
|
if delta.added?
|
|
full_diff = parent.diff(commit)
|
|
full_diff.find_similar!
|
|
|
|
full_diff.each_delta do |full_delta|
|
|
if full_delta.renamed? && path == full_delta.new_file[:path]
|
|
# Look for the old path in ancestors
|
|
path.replace(full_delta.old_file[:path])
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def archive_to_file(treeish = 'master', filename = 'archive.tar.gz', format = nil, compress_cmd = %w(gzip -n))
|
|
git_archive_cmd = %W(#{Gitlab.config.git.bin_path} --git-dir=#{path} archive)
|
|
|
|
# Put files into a directory before archiving
|
|
prefix = "#{archive_name(treeish)}/"
|
|
git_archive_cmd << "--prefix=#{prefix}"
|
|
|
|
# Format defaults to tar
|
|
git_archive_cmd << "--format=#{format}" if format
|
|
|
|
git_archive_cmd += %W(-- #{treeish})
|
|
|
|
open(filename, 'w') do |file|
|
|
# Create a pipe to act as the '|' in 'git archive ... | gzip'
|
|
pipe_rd, pipe_wr = IO.pipe
|
|
|
|
# Get the compression process ready to accept data from the read end
|
|
# of the pipe
|
|
compress_pid = spawn(*nice(compress_cmd), in: pipe_rd, out: file)
|
|
# The read end belongs to the compression process now; we should
|
|
# close our file descriptor for it.
|
|
pipe_rd.close
|
|
|
|
# Start 'git archive' and tell it to write into the write end of the
|
|
# pipe.
|
|
git_archive_pid = spawn(*nice(git_archive_cmd), out: pipe_wr)
|
|
# The write end belongs to 'git archive' now; close it.
|
|
pipe_wr.close
|
|
|
|
# When 'git archive' and the compression process are finished, we are
|
|
# done.
|
|
Process.waitpid(git_archive_pid)
|
|
raise "#{git_archive_cmd.join(' ')} failed" unless $?.success?
|
|
Process.waitpid(compress_pid)
|
|
raise "#{compress_cmd.join(' ')} failed" unless $?.success?
|
|
end
|
|
end
|
|
|
|
def nice(cmd)
|
|
nice_cmd = %w(nice -n 20)
|
|
unless unsupported_platform?
|
|
nice_cmd += %w(ionice -c 2 -n 7)
|
|
end
|
|
nice_cmd + cmd
|
|
end
|
|
|
|
def unsupported_platform?
|
|
%w[darwin freebsd solaris].map { |platform| RUBY_PLATFORM.include?(platform) }.any?
|
|
end
|
|
|
|
# Returns true if the index entry has the special file mode that denotes
|
|
# a submodule.
|
|
def submodule?(index_entry)
|
|
index_entry[:mode] == 57344
|
|
end
|
|
|
|
# Return a Rugged::Index that has read from the tree at +ref_name+
|
|
def populated_index(ref_name)
|
|
commit = rev_parse_target(ref_name)
|
|
index = rugged.index
|
|
index.read_tree(commit.tree)
|
|
index
|
|
end
|
|
|
|
# Return an array of BlobSnippets for lines in +file_contents+ that match
|
|
# +query+
|
|
def build_greps(file_contents, query, ref, filename)
|
|
# The file_contents string is potentially huge so we make sure to loop
|
|
# through it one line at a time. This gives Ruby the chance to GC lines
|
|
# we are not interested in.
|
|
#
|
|
# We need to do a little extra work because we are not looking for just
|
|
# the lines that matches the query, but also for the context
|
|
# (surrounding lines). We will use Enumerable#each_cons to efficiently
|
|
# loop through the lines while keeping surrounding lines on hand.
|
|
#
|
|
# First, we turn "foo\nbar\nbaz" into
|
|
# [
|
|
# [nil, -3], [nil, -2], [nil, -1],
|
|
# ['foo', 0], ['bar', 1], ['baz', 3],
|
|
# [nil, 4], [nil, 5], [nil, 6]
|
|
# ]
|
|
lines_with_index = Enumerator.new do |yielder|
|
|
# Yield fake 'before' lines for the first line of file_contents
|
|
(-SEARCH_CONTEXT_LINES..-1).each do |i|
|
|
yielder.yield [nil, i]
|
|
end
|
|
|
|
# Yield the actual file contents
|
|
count = 0
|
|
file_contents.each_line do |line|
|
|
line.chomp!
|
|
yielder.yield [line, count]
|
|
count += 1
|
|
end
|
|
|
|
# Yield fake 'after' lines for the last line of file_contents
|
|
(count + 1..count + SEARCH_CONTEXT_LINES).each do |i|
|
|
yielder.yield [nil, i]
|
|
end
|
|
end
|
|
|
|
greps = []
|
|
|
|
# Loop through consecutive blocks of lines with indexes
|
|
lines_with_index.each_cons(2 * SEARCH_CONTEXT_LINES + 1) do |line_block|
|
|
# Get the 'middle' line and index from the block
|
|
line, _ = line_block[SEARCH_CONTEXT_LINES]
|
|
|
|
next unless line && line.match(/#{Regexp.escape(query)}/i)
|
|
|
|
# Yay, 'line' contains a match!
|
|
# Get an array with just the context lines (no indexes)
|
|
match_with_context = line_block.map(&:first)
|
|
# Remove 'nil' lines in case we are close to the first or last line
|
|
match_with_context.compact!
|
|
|
|
# Get the line number (1-indexed) of the first context line
|
|
first_context_line_number = line_block[0][1] + 1
|
|
|
|
greps << Gitlab::Git::BlobSnippet.new(
|
|
ref,
|
|
match_with_context,
|
|
first_context_line_number,
|
|
filename
|
|
)
|
|
end
|
|
|
|
greps
|
|
end
|
|
|
|
# Return the Rugged patches for the diff between +from+ and +to+.
|
|
def diff_patches(from, to, options = {}, *paths)
|
|
options ||= {}
|
|
break_rewrites = options[:break_rewrites]
|
|
actual_options = Gitlab::Git::Diff.filter_diff_options(options.merge(paths: paths))
|
|
|
|
diff = rugged.diff(from, to, actual_options)
|
|
diff.find_similar!(break_rewrites: break_rewrites)
|
|
diff.each_patch
|
|
end
|
|
end
|
|
end
|
|
end
|