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
|
# File 'lib/license_finder/diff.rb', line 3
def self.compare(f1, f2)
p1 = Set.new(build_packages(f1))
p2 = Set.new(build_packages(f2))
added = p2.difference(p1).to_a
removed = p1.difference(p2).to_a
unchanged = p1.intersection(p2).to_a
[].tap do |packages|
unchanged.each do |package|
package_previous = package_with_name(p1, package)
package_current = package_with_name(p2, package)
if package_current.licenses == package_previous.licenses
packages << PackageDelta.unchanged(package_current, package_previous)
else
packages << PackageDelta.removed(package_previous)
packages << PackageDelta.added(package_current)
end
end
added.each { |package| packages << PackageDelta.added(package) }
removed.each { |package| packages << PackageDelta.removed(package) }
end
end
|