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Versions: 15
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Contents
require 'forwardable'
module Dandelion
class Diff
extend Forwardable
include Enumerable
def_delegator :@target, :empty?
def_delegator :@target, :each
attr_reader :from_commit, :to_commit
def initialize(from_commit, to_commit)
@from_commit = from_commit
@to_commit = to_commit
if from_commit.nil?
@target = FullDiff.new(to_commit.diff(nil))
else
@target = PartialDiff.new(from_commit.diff(to_commit))
end
end
end
private
class PartialDiff
def initialize(diff)
@deltas = diff.deltas
end
def empty?
@deltas.empty?
end
def each
@deltas.each do |delta|
if delta.deleted?
yield Change.new(delta.old_file[:path], :delete)
else
yield Change.new(delta.new_file[:path], :write)
end
end
end
end
class FullDiff
def initialize(diff)
@deltas = diff.patches.map(&:delta)
end
def empty?
@deltas.empty?
end
def each
@deltas.each do |delta|
yield Change.new(delta.new_file[:path], :write)
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems