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# frozen_string_literal: true
module MergeRequests
class CleanupRefsService
include BaseServiceUtility
TIME_THRESHOLD = 14.days
attr_reader :merge_request
def self.schedule(merge_request)
MergeRequestCleanupRefsWorker.perform_in(TIME_THRESHOLD, merge_request.id)
end
def initialize(merge_request)
@merge_request = merge_request
@repository = merge_request.project.repository
@ref_path = merge_request.ref_path
@ref_head_sha = @repository.commit(merge_request.ref_path).id
end
def execute
return error("Merge request has not been closed nor merged for #{TIME_THRESHOLD.inspect}.") unless eligible?
# Ensure that commit shas of refs are kept around so we won't lose them when GC runs.
keep_around
return error('Failed to create keep around refs.') unless kept_around?
delete_refs
success
end
private
attr_reader :repository, :ref_path, :ref_head_sha
def eligible?
return met_time_threshold?(merge_request.metrics&.latest_closed_at) if merge_request.closed?
merge_request.merged? && met_time_threshold?(merge_request.metrics&.merged_at)
end
def met_time_threshold?(attr)
attr.nil? || attr.to_i <= TIME_THRESHOLD.ago.to_i
end
def kept_around?
Gitlab::Git::KeepAround.new(repository).kept_around?(ref_head_sha)
end
def keep_around
repository.keep_around(ref_head_sha)
end
def delete_refs
repository.delete_refs(ref_path)
end
end
end
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