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|
# frozen_string_literal: true
module Gitlab
module GitalyClient
class CommitService
include Gitlab::EncodingHelper
include WithFeatureFlagActors
WHITESPACE_CHANGES = {
'ignore_all_spaces' => Gitaly::CommitDiffRequest::WhitespaceChanges::WHITESPACE_CHANGES_IGNORE_ALL,
'ignore_spaces' => Gitaly::CommitDiffRequest::WhitespaceChanges::WHITESPACE_CHANGES_IGNORE,
'unspecified' => Gitaly::CommitDiffRequest::WhitespaceChanges::WHITESPACE_CHANGES_UNSPECIFIED
}.freeze
MERGE_COMMIT_DIFF_MODES = {
all_parents: Gitaly::FindChangedPathsRequest::MergeCommitDiffMode::MERGE_COMMIT_DIFF_MODE_ALL_PARENTS,
include_merges: Gitaly::FindChangedPathsRequest::MergeCommitDiffMode::MERGE_COMMIT_DIFF_MODE_INCLUDE_MERGES
}.freeze
TREE_ENTRIES_DEFAULT_LIMIT = 100_000
def initialize(repository)
@gitaly_repo = repository.gitaly_repository
@repository = repository
self.repository_actor = repository
end
def ls_files(revision)
request = Gitaly::ListFilesRequest.new(
repository: @gitaly_repo,
revision: encode_binary(revision)
)
response = gitaly_client_call(@repository.storage, :commit_service, :list_files, request, timeout: GitalyClient.medium_timeout)
response.flat_map do |msg|
msg.paths.map { |d| EncodingHelper.encode!(d.dup) }
end
end
def ancestor?(ancestor_id, child_id)
request = Gitaly::CommitIsAncestorRequest.new(
repository: @gitaly_repo,
ancestor_id: ancestor_id,
child_id: child_id
)
gitaly_client_call(@repository.storage, :commit_service, :commit_is_ancestor, request, timeout: GitalyClient.fast_timeout).value
end
def diff(from, to, options = {})
from_id = case from
when NilClass
Gitlab::Git::EMPTY_TREE_ID
else
if from.respond_to?(:oid)
# This is meant to match a Rugged::Commit. This should be impossible in
# the future.
from.oid
else
from
end
end
to_id = case to
when NilClass
Gitlab::Git::EMPTY_TREE_ID
else
if to.respond_to?(:oid)
# This is meant to match a Rugged::Commit. This should be impossible in
# the future.
to.oid
else
to
end
end
request_params = diff_between_commits_request_params(from_id, to_id, options)
call_commit_diff(request_params, options)
end
def diff_from_parent(commit, options = {})
request_params = diff_from_parent_request_params(commit, options)
call_commit_diff(request_params, options)
end
def commit_deltas(commit)
request = Gitaly::CommitDeltaRequest.new(diff_from_parent_request_params(commit))
response = gitaly_client_call(@repository.storage, :diff_service, :commit_delta, request, timeout: GitalyClient.fast_timeout)
response.flat_map { |msg| msg.deltas.to_ary }
end
def tree_entry(ref, path, limit = nil)
if Pathname.new(path).cleanpath.to_s.start_with?('../')
# The TreeEntry RPC should return an empty response in this case but in
# Gitaly 0.107.0 and earlier we get an exception instead. This early return
# saves us a Gitaly roundtrip while also avoiding the exception.
return
end
request = Gitaly::TreeEntryRequest.new(
repository: @gitaly_repo,
revision: encode_binary(ref),
path: encode_binary(path),
limit: limit.to_i
)
response = gitaly_client_call(@repository.storage, :commit_service, :tree_entry, request, timeout: GitalyClient.medium_timeout)
entry = nil
data = []
response.each do |msg|
if entry.nil?
entry = msg
break unless entry.type == :BLOB
end
data << msg.data
end
entry.data = data.join
entry unless entry.oid.blank?
rescue GRPC::NotFound
nil
end
def tree_entries(repository, revision, path, recursive, skip_flat_paths, pagination_params)
unless pagination_params.nil? && recursive
pagination_params ||= {}
pagination_params[:limit] ||= TREE_ENTRIES_DEFAULT_LIMIT
end
request = Gitaly::GetTreeEntriesRequest.new(
repository: @gitaly_repo,
revision: encode_binary(revision),
path: path.present? ? encode_binary(path) : '.',
recursive: recursive,
skip_flat_paths: skip_flat_paths,
pagination_params: pagination_params
)
request.sort = Gitaly::GetTreeEntriesRequest::SortBy::TREES_FIRST if pagination_params
response = gitaly_client_call(@repository.storage, :commit_service, :get_tree_entries, request, timeout: GitalyClient.medium_timeout)
cursor = nil
entries = response.flat_map do |message|
cursor = message.pagination_cursor if message.pagination_cursor
message.entries.map do |gitaly_tree_entry|
Gitlab::Git::Tree.new(
id: gitaly_tree_entry.oid,
type: gitaly_tree_entry.type.downcase,
mode: gitaly_tree_entry.mode.to_s(8),
name: File.basename(gitaly_tree_entry.path),
path: encode_binary(gitaly_tree_entry.path),
flat_path: encode_binary(gitaly_tree_entry.flat_path),
commit_id: gitaly_tree_entry.commit_oid
)
end
end
[entries, cursor]
rescue GRPC::BadStatus => e
detailed_error = GitalyClient.decode_detailed_error(e)
case detailed_error.try(:error)
when :path
raise Gitlab::Git::Index::IndexError, path_error_message(detailed_error.path)
when :resolve_tree
raise Gitlab::Git::Index::IndexError, e.details
else
raise e
end
end
def commit_count(ref, options = {})
request = Gitaly::CountCommitsRequest.new(
repository: @gitaly_repo,
revision: encode_binary(ref),
all: !!options[:all],
first_parent: !!options[:first_parent]
)
request.after = Google::Protobuf::Timestamp.new(seconds: options[:after].to_i) if options[:after].present?
request.before = Google::Protobuf::Timestamp.new(seconds: options[:before].to_i) if options[:before].present?
request.path = encode_binary(options[:path]) if options[:path].present?
request.max_count = options[:max_count] if options[:max_count].present?
gitaly_client_call(@repository.storage, :commit_service, :count_commits, request, timeout: GitalyClient.medium_timeout).count
end
def diverging_commit_count(from, to, max_count:)
request = Gitaly::CountDivergingCommitsRequest.new(
repository: @gitaly_repo,
from: encode_binary(from),
to: encode_binary(to),
max_count: max_count
)
response = gitaly_client_call(@repository.storage, :commit_service, :count_diverging_commits, request, timeout: GitalyClient.medium_timeout)
[response.left_count, response.right_count]
end
def list_last_commits_for_tree(revision, path, offset: 0, limit: 25, literal_pathspec: false)
request = Gitaly::ListLastCommitsForTreeRequest.new(
repository: @gitaly_repo,
revision: encode_binary(revision),
path: encode_binary(path.to_s),
offset: offset,
limit: limit,
global_options: parse_global_options!(literal_pathspec: literal_pathspec)
)
response = gitaly_client_call(@repository.storage, :commit_service, :list_last_commits_for_tree, request, timeout: GitalyClient.medium_timeout)
response.each_with_object({}) do |gitaly_response, hsh|
gitaly_response.commits.each do |commit_for_tree|
hsh[commit_for_tree.path_bytes] = Gitlab::Git::Commit.new(@repository, commit_for_tree.commit)
end
end
end
def last_commit_for_path(revision, path, literal_pathspec: false)
request = Gitaly::LastCommitForPathRequest.new(
repository: @gitaly_repo,
revision: encode_binary(revision),
path: encode_binary(path.to_s),
global_options: parse_global_options!(literal_pathspec: literal_pathspec)
)
gitaly_commit = gitaly_client_call(@repository.storage, :commit_service, :last_commit_for_path, request, timeout: GitalyClient.fast_timeout).commit
return unless gitaly_commit
Gitlab::Git::Commit.new(@repository, gitaly_commit)
end
def diff_stats(left_commit_sha, right_commit_sha)
request = Gitaly::DiffStatsRequest.new(
repository: @gitaly_repo,
left_commit_id: left_commit_sha,
right_commit_id: right_commit_sha
)
response = gitaly_client_call(@repository.storage, :diff_service, :diff_stats, request, timeout: GitalyClient.medium_timeout)
response.flat_map { |rsp| rsp.stats.to_a }
end
# When finding changed paths and passing a sha for a merge commit we can
# specify how to diff the commit.
#
# When diffing a merge commit and merge_commit_diff_mode is :all_parents
# file paths are only returned if changed in both parents (or all parents
# if diffing an octopus merge)
#
# This means if we create a merge request that includes a merge commit
# of changes already existing in the target branch, we can omit those
# changes when looking up the changed paths.
#
# e.g.
# 1. User branches from master to new branch named feature/foo_bar
# 2. User changes ./foo_bar.rb and commits change to feature/foo_bar
# 3. Another user merges a change to ./bar_baz.rb to master
# 4. User merges master into feature/foo_bar
# 5. User pushes to GitLab
# 6. GitLab checks which files have changed
#
# case merge_commit_diff_mode
# when :all_parents
# ['foo_bar.rb']
# when :include_merges
# ['foo_bar.rb', 'bar_baz.rb'],
# else # defaults to :include_merges behavior
# ['foo_bar.rb', 'bar_baz.rb'],
#
def find_changed_paths(objects, merge_commit_diff_mode: nil)
request = find_changed_paths_request(objects, merge_commit_diff_mode)
return [] if request.nil?
response = gitaly_client_call(@repository.storage, :diff_service, :find_changed_paths, request, timeout: GitalyClient.medium_timeout)
response.flat_map do |msg|
msg.paths.map do |path|
Gitlab::Git::ChangedPath.new(
status: path.status,
path: EncodingHelper.encode!(path.path)
)
end
end
end
def find_all_commits(opts = {})
request = Gitaly::FindAllCommitsRequest.new(
repository: @gitaly_repo,
revision: opts[:ref].to_s,
max_count: opts[:max_count].to_i,
skip: opts[:skip].to_i
)
request.order = opts[:order].upcase if opts[:order].present?
response = gitaly_client_call(@repository.storage, :commit_service, :find_all_commits, request, timeout: GitalyClient.medium_timeout)
consume_commits_response(response)
end
def list_commits(revisions, params = {})
request = Gitaly::ListCommitsRequest.new(
repository: @gitaly_repo,
revisions: Array.wrap(revisions),
reverse: !!params[:reverse],
ignore_case: params[:ignore_case],
pagination_params: params[:pagination_params]
)
if params[:commit_message_patterns]
request.commit_message_patterns += Array.wrap(params[:commit_message_patterns])
end
request.author = encode_binary(params[:author]) if params[:author]
request.before = GitalyClient.timestamp(params[:before]) if params[:before]
request.after = GitalyClient.timestamp(params[:after]) if params[:after]
response = gitaly_client_call(@repository.storage, :commit_service, :list_commits, request, timeout: GitalyClient.medium_timeout)
consume_commits_response(response)
end
# List all commits which are new in the repository. If commits have been pushed into the repo
def list_new_commits(revisions)
git_env = Gitlab::Git::HookEnv.all(@gitaly_repo.gl_repository)
if git_env['GIT_OBJECT_DIRECTORY_RELATIVE'].present?
# If we have a quarantine environment, then we can optimize the check
# by doing a ListAllCommitsRequest. Instead of walking through
# references, we just walk through all quarantined objects, which is
# a lot more efficient. To do so, we throw away any alternate object
# directories, which point to the main object directory of the
# repository, and only keep the object directory which points into
# the quarantine object directory.
quarantined_repo = @gitaly_repo.dup
quarantined_repo.git_alternate_object_directories = Google::Protobuf::RepeatedField.new(:string)
request = Gitaly::ListAllCommitsRequest.new(
repository: quarantined_repo
)
response = gitaly_client_call(@repository.storage, :commit_service, :list_all_commits, request, timeout: GitalyClient.medium_timeout)
quarantined_commits = consume_commits_response(response)
quarantined_commit_ids = quarantined_commits.map(&:id)
# While in general the quarantine directory would only contain objects
# which are actually new, this is not guaranteed by Git. In fact,
# git-push(1) may sometimes push objects which already exist in the
# target repository. We do not want to return those from this method
# though given that they're not actually new.
#
# To fix this edge-case we thus have to filter commits down to those
# which don't yet exist. To do so, we must check for object existence
# in the main repository, but the object directory of our repository
# points into the object quarantine. This can be fixed by unsetting
# it, which will cause us to use the normal repository as indicated by
# its relative path again.
main_repo = @gitaly_repo.dup
main_repo.git_object_directory = ""
# Check object existence of all quarantined commits' IDs.
quarantined_commit_existence = object_existence_map(quarantined_commit_ids, gitaly_repo: main_repo)
# And then we reject all quarantined commits which exist in the main
# repository already.
quarantined_commits.reject! { |c| quarantined_commit_existence[c.id] }
quarantined_commits
else
list_commits(Array.wrap(revisions) + %w[--not --all])
end
end
def list_commits_by_oid(oids)
return [] if oids.empty?
request = Gitaly::ListCommitsByOidRequest.new(repository: @gitaly_repo, oid: oids)
response = gitaly_client_call(@repository.storage, :commit_service, :list_commits_by_oid, request, timeout: GitalyClient.medium_timeout)
consume_commits_response(response)
rescue GRPC::NotFound # If no repository is found, happens mainly during testing
[]
end
def commits_by_message(query, revision: '', path: '', limit: 1000, offset: 0, literal_pathspec: true)
request = Gitaly::CommitsByMessageRequest.new(
repository: @gitaly_repo,
query: query,
revision: encode_binary(revision),
path: encode_binary(path),
limit: limit.to_i,
offset: offset.to_i,
global_options: parse_global_options!(literal_pathspec: literal_pathspec)
)
response = gitaly_client_call(@repository.storage, :commit_service, :commits_by_message, request, timeout: GitalyClient.medium_timeout)
consume_commits_response(response)
end
def languages(ref = nil)
request = Gitaly::CommitLanguagesRequest.new(repository: @gitaly_repo, revision: ref || '')
response = gitaly_client_call(@repository.storage, :commit_service, :commit_languages, request, timeout: GitalyClient.long_timeout)
response.languages.map { |l| { value: l.share.round(2), label: l.name, color: l.color, highlight: l.color } }
end
def raw_blame(revision, path, range:)
request = Gitaly::RawBlameRequest.new(
repository: @gitaly_repo,
revision: encode_binary(revision),
path: encode_binary(path),
range: (encode_binary(range) if range)
)
response = gitaly_client_call(@repository.storage, :commit_service, :raw_blame, request, timeout: GitalyClient.medium_timeout)
response.reduce([]) { |memo, msg| memo << msg.data }.join
rescue GRPC::BadStatus => e
detailed_error = GitalyClient.decode_detailed_error(e)
case detailed_error.try(:error)
when :out_of_range, :path_not_found
raise ArgumentError, e.details
else
raise e
end
end
def find_commit(revision)
return call_find_commit(revision) unless Gitlab::SafeRequestStore.active?
# We don't use Gitlab::SafeRequestStore.fetch(key) { ... } directly
# because `revision` can be a branch name, so we can't use it as a key
# as it could point to another commit later on (happens a lot in
# tests).
key = {
storage: @gitaly_repo.storage_name,
relative_path: @gitaly_repo.relative_path,
commit_id: revision
}
return Gitlab::SafeRequestStore[key] if Gitlab::SafeRequestStore.exist?(key)
commit = call_find_commit(revision)
if GitalyClient.ref_name_caching_allowed?
Gitlab::SafeRequestStore[key] = commit
return commit
end
return unless commit
key[:commit_id] = commit.id
Gitlab::SafeRequestStore[key] = commit
end
def commit_stats(revision)
request = Gitaly::CommitStatsRequest.new(
repository: @gitaly_repo,
revision: encode_binary(revision)
)
gitaly_client_call(@repository.storage, :commit_service, :commit_stats, request, timeout: GitalyClient.medium_timeout)
end
def find_commits(options)
request = Gitaly::FindCommitsRequest.new(
repository: @gitaly_repo,
limit: options[:limit],
offset: options[:offset],
follow: options[:follow],
skip_merges: options[:skip_merges],
all: !!options[:all],
first_parent: !!options[:first_parent],
global_options: parse_global_options!(options),
disable_walk: true, # This option is deprecated. The 'walk' implementation is being removed.
trailers: options[:trailers],
include_referenced_by: options[:include_referenced_by]
)
request.after = GitalyClient.timestamp(options[:after]) if options[:after]
request.before = GitalyClient.timestamp(options[:before]) if options[:before]
request.revision = encode_binary(options[:ref]) if options[:ref]
request.author = encode_binary(options[:author]) if options[:author]
request.order = options[:order].upcase.sub('DEFAULT', 'NONE') if options[:order].present?
request.paths = encode_repeated(Array(options[:path])) if options[:path].present?
response = gitaly_client_call(@repository.storage, :commit_service, :find_commits, request, timeout: GitalyClient.medium_timeout)
consume_commits_response(response)
end
# Check whether the given revisions exist. Returns a hash mapping the revision name to either `true` if the
# revision exists, or `false` otherwise. This function accepts all revisions as specified by
# gitrevisions(1).
def object_existence_map(revisions, gitaly_repo: @gitaly_repo)
return {} unless revisions.present?
enum = Enumerator.new do |y|
revisions.each_slice(100).with_index do |revisions_subset, i|
params = { revisions: revisions_subset }
params[:repository] = gitaly_repo if i == 0
y.yield Gitaly::CheckObjectsExistRequest.new(**params)
end
end
response = gitaly_client_call(
@repository.storage, :commit_service, :check_objects_exist, enum, timeout: GitalyClient.medium_timeout
)
existence_by_revision = {}
response.each do |message|
message.revisions.each do |revision|
existence_by_revision[revision.name] = revision.exists
end
end
existence_by_revision
end
def filter_shas_with_signatures(shas)
request = Gitaly::FilterShasWithSignaturesRequest.new(repository: @gitaly_repo)
enum = Enumerator.new do |y|
shas.each_slice(20) do |revs|
request.shas = encode_repeated(revs)
y.yield request
request = Gitaly::FilterShasWithSignaturesRequest.new
end
end
response = gitaly_client_call(@repository.storage, :commit_service, :filter_shas_with_signatures, enum, timeout: GitalyClient.fast_timeout)
response.flat_map do |msg|
msg.shas.map { |sha| EncodingHelper.encode!(sha) }
end
end
def get_commit_signatures(commit_ids)
request = Gitaly::GetCommitSignaturesRequest.new(repository: @gitaly_repo, commit_ids: commit_ids)
response = gitaly_client_call(@repository.storage, :commit_service, :get_commit_signatures, request, timeout: GitalyClient.fast_timeout)
signatures = Hash.new do |h, k|
h[k] = {
signature: +''.b,
signed_text: +''.b,
signer: :SIGNER_UNSPECIFIED
}
end
current_commit_id = nil
response.each do |message|
current_commit_id = message.commit_id if message.commit_id.present?
signatures[current_commit_id][:signature] << message.signature
signatures[current_commit_id][:signed_text] << message.signed_text
# The actual value is send once. All the other chunks send SIGNER_UNSPECIFIED
signatures[current_commit_id][:signer] = message.signer unless message.signer == :SIGNER_UNSPECIFIED
end
signatures
rescue GRPC::InvalidArgument => ex
raise ArgumentError, ex
end
def get_commit_messages(commit_ids)
request = Gitaly::GetCommitMessagesRequest.new(repository: @gitaly_repo, commit_ids: commit_ids)
response = gitaly_client_call(@repository.storage, :commit_service, :get_commit_messages, request, timeout: GitalyClient.fast_timeout)
messages = Hash.new { |h, k| h[k] = +''.b }
current_commit_id = nil
response.each do |rpc_message|
current_commit_id = rpc_message.commit_id if rpc_message.commit_id.present?
messages[current_commit_id] << rpc_message.message
end
messages
end
def list_commits_by_ref_name(refs)
request = Gitaly::ListCommitsByRefNameRequest
.new(repository: @gitaly_repo, ref_names: refs.map { |ref| encode_binary(ref) })
response = gitaly_client_call(@repository.storage, :commit_service, :list_commits_by_ref_name, request, timeout: GitalyClient.medium_timeout)
commit_refs = response.flat_map do |message|
message.commit_refs.map do |commit_ref|
[encode_utf8(commit_ref.ref_name), Gitlab::Git::Commit.new(@repository, commit_ref.commit)]
end
end
Hash[commit_refs]
end
def get_patch_id(old_revision, new_revision)
request = Gitaly::GetPatchIDRequest
.new(repository: @gitaly_repo, old_revision: old_revision, new_revision: new_revision)
response = gitaly_client_call(@repository.storage, :diff_service, :get_patch_id, request, timeout: GitalyClient.medium_timeout)
response.patch_id
end
private
def parse_global_options!(options)
literal_pathspec = options.delete(:literal_pathspec)
Gitaly::GlobalOptions.new(literal_pathspecs: literal_pathspec)
end
def call_commit_diff(request_params, options = {})
if options.fetch(:ignore_whitespace_change, false)
request_params[:whitespace_changes] = WHITESPACE_CHANGES['ignore_all_spaces']
end
request_params[:enforce_limits] = options.fetch(:limits, true)
request_params[:collapse_diffs] = !options.fetch(:expanded, true)
request_params.merge!(Gitlab::Git::DiffCollection.limits(options))
request = Gitaly::CommitDiffRequest.new(request_params)
response = gitaly_client_call(@repository.storage, :diff_service, :commit_diff, request, timeout: GitalyClient.medium_timeout)
GitalyClient::DiffStitcher.new(response)
end
def diff_from_parent_request_params(commit, options = {})
parent_id = commit.parent_ids.first || Gitlab::Git::EMPTY_TREE_ID
diff_between_commits_request_params(parent_id, commit.id, options)
end
def diff_between_commits_request_params(from_id, to_id, options)
{
repository: @gitaly_repo,
left_commit_id: from_id,
right_commit_id: to_id,
paths: options.fetch(:paths, []).compact.map { |path| encode_binary(path) }
}
end
def consume_commits_response(response)
response.flat_map do |message|
message.commits.map do |gitaly_commit|
Gitlab::Git::Commit.new(@repository, gitaly_commit)
end
end
end
def encode_repeated(array)
Google::Protobuf::RepeatedField.new(:bytes, array.map { |s| encode_binary(s) })
end
def call_find_commit(revision)
request = Gitaly::FindCommitRequest.new(
repository: @gitaly_repo,
revision: encode_binary(revision)
)
response = gitaly_client_call(@repository.storage, :commit_service, :find_commit, request, timeout: GitalyClient.medium_timeout)
response.commit
end
def find_changed_paths_request(objects, merge_commit_diff_mode)
diff_mode = MERGE_COMMIT_DIFF_MODES[merge_commit_diff_mode] if Feature.enabled?(:merge_commit_diff_modes)
requests = objects.filter_map do |object|
case object
when Gitlab::Git::DiffTree
Gitaly::FindChangedPathsRequest::Request.new(
tree_request: Gitaly::FindChangedPathsRequest::Request::TreeRequest.new(left_tree_revision: object.left_tree_id, right_tree_revision: object.right_tree_id)
)
when Commit, Gitlab::Git::Commit
next if object.sha.blank? || Gitlab::Git.blank_ref?(object.sha)
Gitaly::FindChangedPathsRequest::Request.new(
commit_request: Gitaly::FindChangedPathsRequest::Request::CommitRequest.new(commit_revision: object.sha)
)
end
end
return if requests.blank?
Gitaly::FindChangedPathsRequest.new(repository: @gitaly_repo, requests: requests, merge_commit_diff_mode: diff_mode)
end
def path_error_message(path_error)
case path_error.error_type
when :ERROR_TYPE_EMPTY_PATH
"You must provide a file path"
when :ERROR_TYPE_RELATIVE_PATH_ESCAPES_REPOSITORY
"Path cannot include traversal syntax"
when :ERROR_TYPE_ABSOLUTE_PATH
"Only relative path is accepted"
when :ERROR_TYPE_LONG_PATH
"Path is too long"
else
"Unknown path error"
end
end
end
end
end
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