Class: KPM::Utils

Inherits:
Object
  • Object
show all
Defined in:
lib/kpm/utils.rb

Constant Summary collapse 

'././@LongLink'

Class Method Summary collapse

Class Method Details

.get_plugin_name_from_file_path(file_path) ⇒ Object 



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# File 'lib/kpm/utils.rb', line 60

def get_plugin_name_from_file_path(file_path)
  base = File.basename(file_path).to_s
  ver = get_version_from_file_path(file_path)
  ext = File.extname(base)

  name = base.gsub(ext,'')
  if ver.nil?
    # this will remove SNAPSHOT and any dash that appear before it (ex --SNAPSHOT).
    name = name.gsub(/((-+){,1}SNAPSHOT){,1}/,'')
    last_dash = name.rindex('-')
    name = name[0..last_dash] unless last_dash.nil?
  else
    name = name.gsub(ver,'')
  end

  name = name[0..name.length-2] if name[-1].match(/[a-zA-z]/).nil?
  name
end

.get_version_from_file_path(file_path) ⇒ Object 



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# File 'lib/kpm/utils.rb', line 79

def get_version_from_file_path(file_path)
  base = File.basename(file_path).to_s
  ver = base.match(/(\d+)(\.(\d+)){,6}((-+){,1}SNAPSHOT){,1}/)

  return ver if ver.nil?

  ver[0]
end

.path_with_skipped_top_level_dir(path) ⇒ Object 



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# File 'lib/kpm/utils.rb', line 43

def path_with_skipped_top_level_dir(path)
  Pathname(path).each_filename.to_a[1..-1].join(File::SEPARATOR)
end

.peek_tgz_file_names(tar_gz_archive) ⇒ Object 



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# File 'lib/kpm/utils.rb', line 47

def peek_tgz_file_names(tar_gz_archive)
  file_names = []
  Gem::Package::TarReader.new(Zlib::GzipReader.open(tar_gz_archive)) do |tar|
    tar.each do |entry|
      if entry.file?
        file_names.push entry.full_name
      end
    end
  end

  file_names
end

.unpack_tgz(tar_gz_archive, destination, skip_top_dir = false) ⇒ Object 



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# File 'lib/kpm/utils.rb', line 10

def unpack_tgz(tar_gz_archive, destination, skip_top_dir=false)
  top_dir = nil
  Gem::Package::TarReader.new(Zlib::GzipReader.open(tar_gz_archive)) do |tar|
    dest = nil
    tar.each do |entry|
      if entry.full_name == TAR_LONGLINK
        dest = File.join destination, skip_top_dir ? path_with_skipped_top_level_dir(entry.read.strip) : entry.read.strip
        next
      end
      dest ||= File.join destination, skip_top_dir ? path_with_skipped_top_level_dir(entry.full_name) : entry.full_name

      if entry.directory?
        File.delete dest if File.file? dest
        FileUtils.mkdir_p dest, :mode => entry.header.mode, :verbose => false
      elsif entry.file?
        FileUtils.rm_rf dest if File.directory? dest
        FileUtils.mkdir_p File.dirname(dest), :verbose => false
        File.open dest, "wb" do |f|
          f.print entry.read
        end
        FileUtils.chmod entry.header.mode, dest, :verbose => false
        current_dir = File.dirname(dest)
        # In case there are two top dirs, keep the last one by convention
        top_dir = current_dir if (top_dir.nil? || top_dir.size >= current_dir.size)
      elsif entry.header.typeflag == '2' # Symlink
        File.symlink entry.header.linkname, dest
      end
      dest = nil
    end
  end
  top_dir
end