debian-mirror-gitlab/lib/gitlab/diff/position_tracer/image_strategy.rb

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2019-09-30 21:07:59 +05:30
# frozen_string_literal: true
module Gitlab
module Diff
class PositionTracer
class ImageStrategy < BaseStrategy
def trace(position)
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a_path = position.old_path
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b_path = position.new_path
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diff_file = diff_file(position)
a_mode = diff_file&.a_mode
b_mode = diff_file&.b_mode
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# If file exists in B->D (e.g. updated, renamed, removed), let the
# note become outdated.
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bd_diff = bd_diffs.diff_file_with_old_path(b_path, b_mode)
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return { position: new_position(position, bd_diff), outdated: true } if bd_diff
# If file still exists in the new diff, update the position.
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cd_diff = cd_diffs.diff_file_with_new_path(b_path, b_mode)
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return { position: new_position(position, cd_diff), outdated: false } if cd_diff
# If file exists in A->C (e.g. rebased and same changes were present
# in target branch), let the note become outdated.
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ac_diff = ac_diffs.diff_file_with_old_path(a_path, a_mode)
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return { position: new_position(position, ac_diff), outdated: true } if ac_diff
# If ever there's a case that the file no longer exists in any diff,
# don't set a change position and let the note become outdated.
#
# This should never happen given the file should exist in one of the
# diffs above.
{ outdated: true }
end
private
def new_position(position, diff_file)
Position.new(
diff_file: diff_file,
x: position.x,
y: position.y,
width: position.width,
height: position.height,
position_type: position.position_type
)
end
end
end
end
end