ruby-common/bundler-dumpdeps

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#!/usr/bin/ruby
# vim: set sw=2 sts=2 et tw=80 :
require 'bundler'
require 'optparse'
require 'optparse/time'
require 'logger'
class BundlerDumpRpmDeps
def initialize
@requires_text = "BuildRequires: "
parse_options
process_bundler
end
def process_bundler
#
# TODO: have a commaldine option to specify those.
# e.g. in mastodon you also want to skip the no_docker and heroku group
#
bad_groups = [:test, :development]
bd=Bundler::Dsl.evaluate('Gemfile', 'Gemfile.lock', {})
bd.dependencies.each do |dep|
next if (dep.groups - bad_groups).empty?
# this skips local deps
next if dep.source and not(dep.source.path.nil?)
dep.requirement.requirements.each do |req|
req_str = rpmify(dep.name, *req)
puts "#{@requires_text}%{rubygem #{dep.name}#{req_str}}"
end
end
end
def parse_options
opt_parser = OptionParser.new do |opts|
opts.banner = "Usage: bundlerdumpdeps [options]"
opts.separator ""
opts.separator "Specific options:"
opts.on('-b', "Buildtime Requires (default)") do
@requires_text = "BuildRequires: "
end
opts.on('-r', "Runtime Requires") do |args|
@requires_text = "Requires: "
end
end
opt_parser.parse!(ARGV)
end
def expand_pessimistic(version)
splitted = version.to_s.split('.')
sub_version = nil
if splitted.length > 1
end_index = splitted.length-1
end_index = 3 if end_index > 3
sub_version = splitted.slice(0,end_index).join('.')
else
sub_version = splitted[0]
end
":#{sub_version} >= #{version}"
end
# (python3-prometheus_client >= 0.4.0 with python3-prometheus_client < 0.9.0)
def rpmify(dep_name, op, version)
case op
when '~>'
return expand_pessimistic(version)
when '>='
if version != Gem::Version.new(0)
return " #{op} #{version}"
end
when '!='
return " > #{version}"
when '='
return " #{op} #{version}"
when '<'
return " #{op} #{version}"
when '<='
return " =< #{version}"
else
STDERR.puts "Unknown operator '#{op}' called with version '#{version}'"
exit 1
end
end
end
BundlerDumpRpmDeps.new