Sha256: 113457620151865eb5e0e798759e4457a73e92f7b9962cb1e66079071bcf77cb
Contents?: true
Size: 1.48 KB
Versions: 54
Compression:
Stored size: 1.48 KB
Contents
require 'yaml'
require 'ruby_dep/travis/ruby_version'
module RubyDep
class Travis
def version_constraint(filename = '.travis.yml')
yaml = YAML.load(IO.read(filename))
versions = supported_versions(yaml)
selected = versions_for_latest_major(versions)
lowest = lowest_supported(selected)
["~> #{lowest[0..1].join('.')}", ">= #{lowest.join('.')}"]
rescue RubyVersion::Error => ex
abort("RubyDep Error: #{ex.message}")
end
private
def versions_for_latest_major(versions)
by_major = versions.map do |x|
RubyVersion.new(x).segments[0..2]
end.group_by(&:first)
last_supported_major = by_major.keys.sort.last
by_major[last_supported_major]
end
def lowest_supported(versions)
selected = versions.sort.reverse!
grouped_by_minor = selected.group_by { |x| x[1] }
lowest_minor = lowest_minor_without_skipping(grouped_by_minor)
grouped_by_minor[lowest_minor].sort.first
end
def failable(yaml)
matrix = yaml.fetch('matrix', {})
allowed = matrix.fetch('allow_failures', [])
allowed.map(&:values).flatten
end
def supported_versions(yaml)
yaml['rvm'] - failable(yaml)
end
def lowest_minor_without_skipping(grouped_by_minor)
minors = grouped_by_minor.keys.flatten
lowest = minors.shift
current = lowest
while (lower = minors.shift)
(current -= 1) == lower ? lowest = lower : break
end
lowest
end
end
end
Version data entries
54 entries across 47 versions & 9 rubygems