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#!/usr/pkg/bin/ruby
# -*- coding: utf-8 -*-
#
# $NetBSD: update-gemspec.rb,v 1.4 2012/03/02 03:46:09 taca Exp $
#
# Copyright (c) 2011, 2012 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Takahiro Kambe.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#
# This is a quick and dirty tool which updates gemspec file:
#
require 'rubygems'
require 'fileutils'
require 'optparse'
begin
# Since newer rubygems load psych instead of syck, don't load yaml directly.
Gem.load_yaml
rescue NoMethodError
# Older rubygems don't have load_yaml() and don't know about psych.
end
class GemSpecUpdater
OrigSuffix = '.orig_gemspec'
def initialize(file)
@file = file
open(file) { |f|
@spec = Gem::Specification.from_yaml(f)
}
@requirements = {}
@attr = {}
end
#
# rule should be:
# rule ::= [ dependecy_specs ] [ attr_specs ]
# dependency_specs ::= dependency_spec [ dependency_spec ]
# dependency_spec ::= name_spec [ dependency ]
# name_spec ::= name [ ":" new_name ]
# dependency ::= "pkgsrc's dependecy operator and version string"
# command ::= ":" attr_name" attr_operations
# attr_operations ::= attr_op [ attr_op ]
# attr_op ::= new | old=new | old=
#
def parse_rules(rules)
key = nil
rules.each do |s|
s.split.each do |ru|
if /^:([a-z_]+)+/ =~ ru
key = $1
@attr[key] = []
elsif not key.nil?
@attr[key].push ru
else
if /([a-z0-9_:-]+)([=!><\~][=>]*)(.*)/ =~ ru
names = $1
op = $2
ver = $3
r = Gem::Version.new ver
name, new_name = names.split(/:/, 2)
@requirements[name] = {
:method => :update,
:op => op,
:version => r,
:name => new_name
}
elsif /([a-z0-9_-]+):$/ =~ ru
name = $1
@requirements[name] = {
:method => :delete,
}
end
end
end
end
end
def modify
dependencies = @spec.instance_variable_get(:@dependencies)
dependencies.each do |dep|
next if dep.type != :runtime
update = @requirements[dep.name]
if not update.nil? and update[:method] == :update
r = dep.requirement.requirements
r[0][0] = update[:op]
r[0][1] = update[:version]
unless update[:name].nil?
dep.name = update[:name]
end
end
end
dependencies.delete_if { |dep|
next if dep.type != :runtime
update = @requirements[dep.name]
not update.nil? and update[:method] == :delete
}
@attr.keys.each do |name|
av = @spec.instance_variable_get('@' + name)
if av.class == Array
operation = @attr[name]
operation.each do |op|
if /^([^=]+)=([^=]+)$/ =~ op
ov = $1
nv = $2
av.delete_if {|a| a == ov}
av.push nv unless av.include? nv
elsif /^([^=]+)=$/ =~ op
ov = $1
av.delete_if {|a| a == ov}
else
av.push op unless av.include? op
end
end
end
end
end
def update
FileUtils.cp(@file, @file + OrigSuffix, :preserve => true)
open(@file, "w") { |f|
f.print YAML.dump(@spec) + "\n"
}
end
def dump_dependency
dependencies = @spec.runtime_dependencies
dependencies.each do |dep|
puts "#{dep.name} #{dep.requirement}"
end
end
end
def usage(status)
$stderr.puts <<"EOF"
#{File.basename($0)}: [-n] [-o] [-h] gemspec [rules ...]
Update gemspec with as version patterns.
Options:
-h Show this help.
-n Don't update gemspec file.
-o Don't update gemspec file and show original dependency.
EOF
Process.exit status
end
ENV['TZ'] = 'UTC'
show = false
update = true
opt = OptionParser.new
opt.on('-n') { show = true }
opt.on('-o') { show = true; update = false }
opt.on('-h') { usage 0 }
if ARGV.size < 1
usage 1
end
opt.parse!(ARGV)
file = ARGV.shift
rules = ARGV
updater = GemSpecUpdater.new file
updater.parse_rules rules
updater.modify if update
if show
updater.dump_dependency
else
updater.update
end
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