/usr/lib/ruby/vendor_ruby/diff/lcs/block.rb is in ruby-diff-lcs 1.2.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | # -*- ruby encoding: utf-8 -*-
# A block is an operation removing, adding, or changing a group of items.
# Basically, this is just a list of changes, where each change adds or
# deletes a single item. Used by bin/ldiff.
class Diff::LCS::Block
attr_reader :changes, :insert, :remove
def initialize(chunk)
@changes = []
@insert = []
@remove = []
chunk.each do |item|
@changes << item
@remove << item if item.deleting?
@insert << item if item.adding?
end
end
def diff_size
@insert.size - @remove.size
end
def op
case [@remove.empty?, @insert.empty?]
when [false, false]
'!'
when [false, true]
'-'
when [true, false]
'+'
else # [true, true]
'^'
end
end
end
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