55 lines
1.3 KiB
Ruby
55 lines
1.3 KiB
Ruby
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#!/usr/bin/env ruby
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# usage: no args: list all packags
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# one arg: download package
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$repos = 'http://download.ni.com/ni-linux-rt/feeds/2015/arm/ipk/cortexa9-vfpv3/'
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$base_img = %w{libc6 libgcc1 libstdc++6}
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class Pkg
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attr_reader :name, :depends, :recs, :file
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def initialize(name)
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@name = name
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@rawinfo = `grep 'Package: #{name}$' Packages -A 30`.split("\n\n")[0]
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@file = @rawinfo.match(/^Filename: (.*)$/)[1]
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deps = (@rawinfo.match(/^Depends: (.*)$/)||[nil,""])[1]
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recs = (@rawinfo.match(/^Recommends: (.*)$/)||[nil,""])[1]
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@depends = deps.split(",").map{|x| Pkg.new(x.strip.split(/[ \(]/)[0])}
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@recs = deps.split(",").map{|x| Pkg.new(x.strip.split(/[ \(]/)[0])}
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end
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def download_name(base=[])
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return base if base.include? [@name, @file]
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base << [@name, @file]
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@depends.map{|x|x.download_name(base)}
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@recs.map{|x|x.download_name(base)}
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base
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end
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def download
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list = download_name
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p list
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list.delete_if{|x|$base_img.include? x[0]}
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list.each do |x|
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## popen would be nice....
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pid = fork do
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puts "Downloading #{x[0]}..."
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`wget -nc #{$repos}#{x[1]}`
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end
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Process.wait pid
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end
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end
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end
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`wget -nc #{$repos}Packages.gz`
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`zcat Packages.gz > Packages`
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if ARGV.length != 1
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puts `cat Packages| sed -n 's/Package: //p'`
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exit 0
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else
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pkg = Pkg.new(ARGV[0])
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puts "getting dependencies..."
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rr = pkg.download
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end
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