Class: QtRebuild

Inherits:
Object
  • Object
show all
Defined in:
lib/qt-rebuild/qt-rebuild.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ QtRebuild

Returns a new instance of QtRebuild.



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# File 'lib/qt-rebuild/qt-rebuild.rb', line 10

def initialize
  @pkgs_to_build_keys = {}
  @build_keys_to_pkgs = {}
end

Instance Attribute Details

#build_keys_to_pkgs ⇒ Object (readonly)

Returns the value of attribute build_keys_to_pkgs.



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# File 'lib/qt-rebuild/qt-rebuild.rb', line 4

def build_keys_to_pkgs
  @build_keys_to_pkgs
end

#pkgs_to_build_keys ⇒ Object (readonly)

Returns the value of attribute pkgs_to_build_keys.



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# File 'lib/qt-rebuild/qt-rebuild.rb', line 4

def pkgs_to_build_keys
  @pkgs_to_build_keys
end

Class Method Details

.version ⇒ Object 



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# File 'lib/qt-rebuild/qt-rebuild.rb', line 6

def self.version
  IO.read(File.join(File.dirname(__FILE__), '../../VERSION')).strip
end

Instance Method Details

#build_keys ⇒ Object 



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# File 'lib/qt-rebuild/qt-rebuild.rb', line 79

def build_keys
  @build_keys_to_pkgs.keys
end

#emerge(pretend, nocolor) ⇒ Object 



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# File 'lib/qt-rebuild/qt-rebuild.rb', line 57

def emerge(pretend, nocolor)
  buf = []
  buf << 'emerge'
  buf << '--oneshot'
  buf << '--pretend' if pretend
  buf << '--nocolor' if nocolor
  buf += to_set
  puts `#{buf.join(' ')}`
end

#scan ⇒ Object

scan the installed packages looking for qt dependents that have build keys. These are the files than should be rebuilt whenever qt’s API changes.



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# File 'lib/qt-rebuild/qt-rebuild.rb', line 18

def scan
  qt_packages = `qlist -IC x11-libs/qt:4`.split("\n")

  dependents = []
  qt_packages.each do |pkg|
    dependents += `equery -q depends \"#{pkg}\"`.split("\n")
  end
  dependents = dependents.uniq.compact.sort

  dependents.each do |pkg|
    build_keys = []
    so_files = `qlist -Co #{pkg}`.split("\n").select{|file| file =~ /\.so(\..+|)$/}
    so_files.each do |file|
      if `strings #{file} | grep buildkey` =~ /^build\s*key[=:\s]\s*(\S.*)\s*$/i
        build_keys << $1
      end
    end
    build_keys = build_keys.compact.uniq
    unless build_keys.empty?
      @pkgs_to_build_keys[pkg] = build_keys
      build_keys.each do |key|
        @build_keys_to_pkgs[key] ||= []
        @build_keys_to_pkgs[key] << pkg
      end
    end
  end
end

#to_s ⇒ Object 



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# File 'lib/qt-rebuild/qt-rebuild.rb', line 67

def to_s
  buf = []
  @build_keys_to_pkgs.keys.sort.each do |key|
    buf << "# Build key:  #{key}"
    pkgs = @build_keys_to_pkgs[key]
    pkgs.each do |pkg|
      buf << pkg
    end
  end
  buf.compact.uniq.sort.join("\n")
end

#to_set ⇒ Object 



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# File 'lib/qt-rebuild/qt-rebuild.rb', line 46

def to_set
  buf = []
  @build_keys_to_pkgs.keys.sort.each do |key|
    pkgs = @build_keys_to_pkgs[key]
    pkgs.each do |pkg|
      buf << '=' + pkg
    end
  end
  buf.compact.uniq
end