class LibyearBundler::Calculators::Libyear
A libyear is the difference in time between releases of the newest and installed versions of the gem in years
Public Class Methods
calculate(installed_version_release_date, newest_version_release_date)
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# File lib/libyear_bundler/calculators/libyear.rb, line 7 def calculate(installed_version_release_date, newest_version_release_date) di = installed_version_release_date dn = newest_version_release_date if di.nil? || dn.nil? || dn <= di # Known issue: Backports and maintenance releases of older minor versions. # Example: json 1.8.6 (2017-01-13) was released *after* 2.0.3 (2017-01-12) years = 0.0 else days = (dn - di).to_f years = days / 365.0 end years end