Class: PmdTester::Semver

Inherits:
Object
  • Object
show all
Defined in:
lib/pmdtester/semver.rb

Overview

Utility to deal with semantic versions

Class Method Summary collapse

Class Method Details

.compare(version_a, version_b) ⇒ Object 



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# File 'lib/pmdtester/semver.rb', line 6

def self.compare(version_a, version_b)
  PmdTester.logger.debug "Comparing #{version_a} <=> #{version_b}"
  m = /(\d+)\.(\d+)\.(\d+)(.*)/.match(version_a)
  a_major = m[1].to_i
  a_minor = m[2].to_i
  a_patch = m[3].to_i
  a_snapshot = m[4]
  PmdTester.logger.debug "  a_major: #{a_major} a_minor: #{a_minor} a_patch: #{a_patch} a_snapshot: #{a_snapshot}"

  m = /(\d+)\.(\d+)\.(\d+)(.*)/.match(version_b)
  b_major = m[1].to_i
  b_minor = m[2].to_i
  b_patch = m[3].to_i
  b_snapshot = m[4]
  PmdTester.logger.debug "  b_major: #{b_major} b_minor: #{b_minor} b_patch: #{b_patch} b_snapshot: #{b_snapshot}"

  return a_major <=> b_major if a_major != b_major
  return a_minor <=> b_minor if a_minor != b_minor
  return a_patch <=> b_patch if a_patch != b_patch

  compare_snapshots(a_snapshot, b_snapshot)
end