122 lines
2.5 KiB
Ruby
Executable File
122 lines
2.5 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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require 'optparse'
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# Informal Spec:
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#
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# A User may have multiple Repositories
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# A Repositories contains Packages
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#
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# A User will search for a repository giving a name and optional version
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# Each Repository will be scanned for matching Packages
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# If only one Package matches, that Package will be opened
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# If more than one Package matches, then the user will be prompted to pick one
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# While any two Packages share the same name their parent dir is appended
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# If no Repository matches, then qwandry will exit with a -404 (repo not found)
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#
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module Qwandry
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class Repository
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attr_reader :name
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def initialize(name, path)
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@name = name
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@path = path.chomp('/')
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end
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def scan(name)
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[]
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end
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def package(name, paths)
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Package.new(name, paths, self)
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end
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end
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# Directories look like:
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# Repository
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# lib-0.1
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# lib-0.2
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class FlatRepository < Repository
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def scan(name)
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results = []
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Dir["#{@path}/*"].select do |path|
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if File.basename(path).start_with?(name)
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results << package(File.basename(path), [path])
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end
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end
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results
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end
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end
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class Package
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attr_reader :name
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attr_reader :repository
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attr_reader :paths
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def initialize(name, paths, repository)
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@name = name
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@repository = repository
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@paths = paths
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end
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end
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def launch(package, editor=nil)
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editor ||= ENV['VISUAL'] || ENV['EDITOR']
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system editor, *package.paths
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end
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module_function :launch
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end
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if __FILE__ == $0
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load('repositories.rb')
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load('~/.qwandry/repositories.rb') if File.exists?('~/.qwandry/repositories.rb')
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opts = OptionParser.new do |opts|
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opts.banner = "Usage: qwandry [options] name [version]"
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opts.separator ""
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opts.separator "Known Repositories:"
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@repositories.keys.each do |repo_label|
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opts.separator " #{repo_label}"
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end
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end
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opts.parse! ARGV
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if ARGV.length != 1
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puts opts
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exit(-1)
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end
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name = ARGV.pop
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packages = []
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@repositories.each do |set, repos|
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repos.each do |repo|
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packages.concat(repo.scan(name))
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end
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end
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package = nil
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case packages.length
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when 0
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puts "No packages matched '#{name}'"
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exit 1
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when 1
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package = packages.first
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else
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packages.each_with_index do |package, index|
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puts "%3d. %s" % [index+1, package.name]
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end
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print ">> "
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index = gets.to_i-1
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package = packages[index]
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end
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Qwandry.launch package if package
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end |