gitlab-org--gitlab-foss/lib/gitlab/gitaly_client/commit.rb
2017-06-02 18:33:18 +02:00

59 lines
1.9 KiB
Ruby

module Gitlab
module GitalyClient
class Commit
# The ID of empty tree.
# See http://stackoverflow.com/a/40884093/1856239 and https://github.com/git/git/blob/3ad8b5bf26362ac67c9020bf8c30eee54a84f56d/cache.h#L1011-L1012
EMPTY_TREE_ID = '4b825dc642cb6eb9a060e54bf8d69288fbee4904'.freeze
def initialize(repository)
@gitaly_repo = repository.gitaly_repository
@repository = repository
end
def is_ancestor(ancestor_id, child_id)
stub = GitalyClient.stub(:commit, @repository.storage)
request = Gitaly::CommitIsAncestorRequest.new(
repository: @gitaly_repo,
ancestor_id: ancestor_id,
child_id: child_id
)
stub.commit_is_ancestor(request).value
end
def diff_from_parent(commit, options = {})
request_params = commit_diff_request_params(commit, options)
request_params[:ignore_whitespace_change] = options.fetch(:ignore_whitespace_change, false)
response = diff_service_stub.commit_diff(Gitaly::CommitDiffRequest.new(request_params))
Gitlab::Git::DiffCollection.new(GitalyClient::DiffStitcher.new(response), options)
end
def commit_deltas(commit)
request_params = commit_diff_request_params(commit)
response = diff_service_stub.commit_delta(Gitaly::CommitDeltaRequest.new(request_params))
response.flat_map do |msg|
msg.deltas.map { |d| Gitlab::Git::Diff.new(d) }
end
end
private
def commit_diff_request_params(commit, options = {})
parent_id = commit.parents[0]&.id || EMPTY_TREE_ID
{
repository: @gitaly_repo,
left_commit_id: parent_id,
right_commit_id: commit.id,
paths: options.fetch(:paths, [])
}
end
def diff_service_stub
GitalyClient.stub(:diff, @repository.storage)
end
end
end
end