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module Gitlab
module ImportExport
class MergeRequestParser
FORKED_PROJECT_ID = nil
def initialize(project, diff_head_sha, merge_request, relation_hash)
@project = project
@diff_head_sha = diff_head_sha
@merge_request = merge_request
@relation_hash = relation_hash
end
def parse!
if fork_merge_request? && @diff_head_sha
@merge_request.source_project_id = @relation_hash['project_id']
fetch_ref unless branch_exists?(@merge_request.source_branch)
create_target_branch unless branch_exists?(@merge_request.target_branch)
end
@merge_request
end
def create_target_branch
@project.repository.create_branch(@merge_request.target_branch, @merge_request.target_branch_sha)
end
# Gitaly migration: https://gitlab.com/gitlab-org/gitaly/issues/1295
def fetch_ref
target_ref = Gitlab::Git::BRANCH_REF_PREFIX + @merge_request.source_branch
unless @project.repository.fetch_source_branch!(@project.repository, @diff_head_sha, target_ref)
Rails.logger.warn("Import/Export warning: Failed to create #{target_ref} for MR: #{@merge_request.iid}")
end
end
def branch_exists?(branch_name)
@project.repository.raw.branch_exists?(branch_name)
end
def fork_merge_request?
@relation_hash['source_project_id'] == FORKED_PROJECT_ID
end
end
end
end
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