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require_relative "base_service"
module Files
class UpdateService < Files::BaseService
class FileChangedError < StandardError; end
def commit
repository.update_file(current_user, @file_path, @file_content,
branch: @target_branch,
previous_path: @previous_path,
message: @commit_message)
end
private
def validate
super
if file_has_changed?
raise FileChangedError.new("You are attempting to update a file that has changed since you started editing it.")
end
end
def file_has_changed?
return false unless @last_commit_sha && last_commit
@last_commit_sha != last_commit.sha
end
def last_commit
@last_commit ||= Gitlab::Git::Commit.
last_for_path(@source_project.repository, @source_branch, @file_path)
end
end
end
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