gitlab-org--gitlab-foss/lib/gitlab/gitaly_client/commit.rb
2017-04-07 12:53:30 +02:00

38 lines
1.4 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
class << self
def diff_from_parent(commit, options = {})
repository = commit.project.repository
gitaly_repo = repository.gitaly_repository
stub = Gitaly::Diff::Stub.new(nil, nil, channel_override: repository.gitaly_channel)
parent = commit.parents[0]
parent_id = parent ? parent.id : EMPTY_TREE_ID
request = Gitaly::CommitDiffRequest.new(
repository: gitaly_repo,
left_commit_id: parent_id,
right_commit_id: commit.id
)
Gitlab::Git::DiffCollection.new(stub.commit_diff(request), options)
end
def is_ancestor(repository, ancestor_id, child_id)
gitaly_repo = repository.gitaly_repository
stub = Gitaly::Commit::Stub.new(nil, nil, channel_override: repository.gitaly_channel)
request = Gitaly::CommitIsAncestorRequest.new(
repository: gitaly_repo,
ancestor_id: ancestor_id,
child_id: child_id
)
stub.commit_is_ancestor(request).value
end
end
end
end
end