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module Files
class UpdateService < Files::BaseService
FileChangedError = Class.new(StandardError)
def initialize(*args)
super
@last_commit_sha = params[:last_commit_sha]
end
def create_commit!
repository.update_file(current_user, @file_path, @file_content,
message: @commit_message,
branch_name: @branch_name,
previous_path: @previous_path,
author_email: @author_email,
author_name: @author_name,
start_project: @start_project,
start_branch_name: @start_branch)
end
private
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(@start_project.repository, @start_branch, @file_path)
end
def validate!
super
if file_has_changed?
raise FileChangedError, "You are attempting to update a file that has changed since you started editing it."
end
end
end
end
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