Class: PackageInfo

Inherits:
Object
  • Object
show all
Defined in:
lib/package-info.rb

Constant Summary collapse 

["Format", "Upstream-Name", "Upstream-Contact",
"Source", "Disclaimer", "Comment", "License", 
"Copyright", "Files"]
LICENSE_TAGS = 
["gpl", "mit", "license", "license"]

["copyright"]
UPSTREAM_NAME_TAGS = 
["author", "developer", "upstream"]
FILES_TAGS = 
["files"]
DISCLAIMER_TAGS = 
["disclaimer"]
FORMAT_TAGS = 
["format", "html", "txt"]

Instance Method Summary collapse

Instance Method Details

#create_package_file(filename = "packages@#{`hostname`}.csv") ⇒ Object 



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# File 'lib/package-info.rb', line 21

def create_package_file filename = "packages@#{`hostname`}.csv"
  write_header(filename)
  CSV.open(filename, "ab") do |csv|
    get_package_list.each {|package| csv << get_package_info(package).values}
  end
end

#get_package_info(package) ⇒ Object 



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# File 'lib/package-info.rb', line 32

def get_package_info package
  puts "retrieve info for #{package}"
  [parse_package_info(package), parse_copyright_file(package)].inject(:merge)
end

#get_package_list ⇒ Object 



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# File 'lib/package-info.rb', line 28

def get_package_list
  `dpkg --get-selections | grep -v "deinstall" | cut -f1 | cut -d':' -f1`.split("\n")
end

#parse_copyright_file(package) ⇒ Object 



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# File 'lib/package-info.rb', line 43

def parse_copyright_file package
  return {} if !File.exists?("/usr/share/doc/#{package}/copyright")
  text = File.read("/usr/share/doc/#{package}/copyright")
  is_dep_5_compatible?(text) ? parse_dep_5_compatible(text) : parse_non_dep_5_compatible(text)
end

#parse_package_info(package) ⇒ Object 



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# File 'lib/package-info.rb', line 37

def parse_package_info package
  fields, string_fields = {}, `apt-cache show #{package}`.split("\n")
  string_fields.each {|field| fields[field.split(": ")[0]] = field.split(": ")[1]}
  fields
end