diff options
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | apkbuild-gem-resolver.in | 278 |
2 files changed, 280 insertions, 1 deletions
@@ -9,7 +9,8 @@ datadir ?= $(prefix)/share/$(PACKAGE) abuildrepo ?= ~/.cache/abuild SCRIPTS := abuild buildrepo abuild-keygen abuild-sign newapkbuild \ - abump apkgrel buildlab apkbuild-cpan checkapk + abump apkgrel buildlab apkbuild-cpan checkapk \ + apkbuild-gem-resolver USR_BIN_FILES := $(SCRIPTS) abuild-tar abuild-sudo SAMPLES := sample.APKBUILD sample.initd sample.confd \ sample.pre-install sample.post-install diff --git a/apkbuild-gem-resolver.in b/apkbuild-gem-resolver.in new file mode 100644 index 0000000..850af69 --- /dev/null +++ b/apkbuild-gem-resolver.in @@ -0,0 +1,278 @@ +#!/usr/bin/ruby + +# APKBUILD dependency resolver for RubyGems +# Copyright (C) 2014 Kaarle Ritvanen + +require 'augeas' +require 'rubygems/dependency' +require 'rubygems/resolver' +require 'rubygems/spec_fetcher' + +class Aport + RUBY_SUBPACKAGES = { + '2.0.0_p481' => { + 'ruby-minitest' => ['minitest', '4.3.2'], + 'ruby-rake' => ['rake', '0.9.6'], + 'ruby-rdoc' => ['rdoc', '4.0.0', 'ruby-json'] + }, + '2.1.5' => { + 'ruby-minitest' => ['minitest', '4.7.5'], + 'ruby-rake' => ['rake', '10.1.0'], + 'ruby-rdoc' => ['rdoc', '4.1.0', 'ruby-json'] + } + } + + @@aports = {} + @@subpackages = [] + + def self.initialize + Augeas::open(nil, nil, Augeas::NO_MODL_AUTOLOAD) do |aug| + dir = Dir.pwd + aug.transform(:lens => 'Shellvars.lns', :incl => dir + '/*/ruby*/APKBUILD') + aug.load + + apath = '/files' + dir + fail if aug.match("/augeas#{apath}//error").length > 0 + + for repo in ['main', 'testing'] + for aport in aug.match "#{apath}/#{repo}/*" + FileAport.new(aug, aport) unless aport.end_with? '/ruby' + end + end + + for name, attrs in RUBY_SUBPACKAGES[ + aug.get("#{apath}/main/ruby/APKBUILD/pkgver") + ] + gem, version, *deps = attrs + aport = new name, gem, version + for dep in deps + aport.add_dependency dep + end + @@subpackages.push aport + end + end + + @@aports.each_value do |aport| + aport.depends do |dep| + dep.add_user aport + end + end + end + + def self.get name + @@aports[name] + end + + def self.ruby_subpkgs + for pkg in @@subpackages + yield pkg + end + end + + def initialize name, gem, version + @name = name + @gem = gem + @version = version + @depends = [] + @users = [] + @@aports[name] = self + end + + def add_dependency name + @depends.push name + end + + attr_reader :gem, :name, :version + + def depends + for dep in @depends + unless @@aports.has_key? dep + raise "Dependency for #{@name} does not exist: #{dep}" + end + yield @@aports[dep] + end + end + + def users + for user in @users + yield user + end + end + + def add_user user + @users.push user + end +end + +class FileAport < Aport + def initialize aug, path + name = path.split('/')[-1] + + get = proc{ |param| + res = aug.get(path + '/APKBUILD/' + param) + raise param + ' not defined for ' + name unless res + res + } + + super name, get.call('_gemname'), get.call('pkgver') + + for dep in `echo #{get.call('depends')}`.split + add_dependency dep if dep.start_with? 'ruby-' + end + end +end + + +Aport.initialize + + +class Update + def initialize + @gems = {} + @deps = [] + end + + def require_version name, version + aport = Aport.get name + raise 'Invalid package name: ' + name unless aport + gem = assign(aport.gem, name) + @deps.push gem.dependency if gem.require_version version + end + + def resolve + Aport.ruby_subpkgs do |pkg| + require_version pkg.name, pkg.version unless @gems[pkg.gem] + end + + def check_deps + @gems.clone.each_value do |gem| + gem.check_deps + end + end + + check_deps + + for req in Gem::Resolver.new(@deps).resolve + spec = req.spec + gem = @gems[spec.name] + gem.require_version spec.version.version if gem + end + + check_deps + + for name, gem in @gems + if gem.updated? + gem.aport.users do |user| + ugem = @gems[user.gem] + if !ugem || ugem.aport.name != user.name + Gem::Resolver.new( + [gem.dependency, Gem::Dependency.new(user.gem, user.version)] + ).resolve + end + end + end + end + end + + def each + @gems.each_value do |gem| + obs = gem.obsolete_deps + obs = obs.length == 0 ? nil : " (obsolete dependencies: #{obs.join ', '})" + + if gem.updated? || obs + yield "#{gem.aport.name}-#{gem.version}#{obs}" + end + end + end + + def assign name, aport + aport = Aport.get aport + + if @gems.has_key? name + gem = @gems[name] + return gem if aport == gem.aport + raise "Conflicting packages for gem #{name}: #{gem.aport.name} and #{aport.name}" + end + + gem = AportGem.new self, name, aport + @gems[name] = gem + gem + end + + private + + class AportGem + def initialize update, name, aport + @update = update + @name = name + @aport = aport + end + + attr_reader :aport, :obsolete_deps + + def require_version version + if @version + return false if version == @version + raise "Conflicting versions for gem #{@name}: #{@version} and #{version}" + end + @version = version + true + end + + def version + @version || @aport.version + end + + def updated? + version != @aport.version + end + + def dependency + Gem::Dependency.new(@name, version) + end + + def check_deps + specs, errors = Gem::SpecFetcher::fetcher.spec_for_dependency(dependency) + raise "Invalid gem: #{@name}-#{version}" if specs.length == 0 + fail if specs.length > 1 + deps = specs[0][0].runtime_dependencies + + @obsolete_deps = [] + + @aport.depends do |dep| + gem = @update.assign(dep.gem, dep.name) + gem.check_deps + unless deps.reject! { |sdep| sdep.match? dep.gem, gem.version } + @obsolete_deps.push dep.name + end + end + + if deps.length > 0 + raise 'Undeclared dependencies in ' + @aport.name + deps.inject('') { + |s, dep| "#{s}\n#{dep.name} #{dep.requirements_list.join ' '}" + } + end + end + end +end + + +latest = {} +for source, gems in Gem::SpecFetcher::fetcher.available_specs(:latest)[0] + for gem in gems + latest[gem.name] = gem.version.version + end +end + +update = Update.new +for arg in ARGV + match = /^(([^-]|-[^\d])+)(-(\d.*))?/.match arg + name = match[1] + update.require_version name, match[4] || latest[Aport.get(name).gem] +end + +update.resolve + +for aport in update + puts aport +end |