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# frozen_string_literal: true
module MergeRequests
class MergeBaseService < MergeRequests::BaseService
include Gitlab::Utils::StrongMemoize
MergeError = Class.new(StandardError)
attr_reader :merge_request
# Overridden in EE.
def hooks_validation_pass?(_merge_request)
true
end
# Overridden in EE.
def hooks_validation_error(_merge_request)
# No-op
end
def source
strong_memoize(:source) do
if merge_request.squash_on_merge?
squash_sha!
else
merge_request.diff_head_sha
end
end
end
private
def check_source
unless source
raise_error('No source for merge')
end
end
# Overridden in EE.
def check_size_limit
# No-op
end
# Overridden in EE.
def error_check!
# No-op
end
def raise_error(message)
raise MergeError, message
end
def handle_merge_error(*args)
# No-op
end
def commit_message
params[:commit_message] ||
merge_request.default_merge_commit_message(user: current_user)
end
def squash_sha!
params[:merge_request] = merge_request
squash_result = ::MergeRequests::SquashService.new(project: project, current_user: current_user, params: params).execute
case squash_result[:status]
when :success
squash_result[:squash_sha]
when :error
raise ::MergeRequests::MergeService::MergeError, squash_result[:message]
end
end
end
end
MergeRequests::MergeBaseService.prepend_mod_with('MergeRequests::MergeBaseService')
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