gitlab-org--gitlab-foss/lib/gitlab/gitaly_client/diff_stitcher.rb

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# frozen_string_literal: true
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module Gitlab
module GitalyClient
class DiffStitcher
include Enumerable
delegate :size, to: :rpc_response
def initialize(rpc_response_param)
@rpc_response = rpc_response_param
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end
def each
current_diff = nil
@rpc_response.each do |diff_msg|
if current_diff.nil?
diff_params = diff_msg.to_h.slice(*GitalyClient::Diff::ATTRS)
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# gRPC uses frozen strings by default, and we need to have an unfrozen string as it
# gets processed further down the line. So we unfreeze the first chunk of the patch
# in case it's the only chunk we receive for this diff.
diff_params[:patch] = diff_msg.raw_patch_data.dup
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current_diff = GitalyClient::Diff.new(diff_params)
else
current_diff.patch = "#{current_diff.patch}#{diff_msg.raw_patch_data}"
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end
if diff_msg.end_of_patch
yield current_diff
current_diff = nil
end
end
end
private
attr_reader :rpc_response
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end
end
end