111 lines
3.4 KiB
Ruby
111 lines
3.4 KiB
Ruby
require 'digest'
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class Cask::Installer
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class << self
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def install(cask)
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require 'formula_support'
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software_spec = SoftwareSpec.new(cask.url.to_s, cask.version)
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downloader = CurlDownloadStrategy.new(cask.title, software_spec)
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downloaded_path = downloader.fetch
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_check_sums(downloaded_path, cask.sums) unless cask.sums === 0
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FileUtils.mkdir_p cask.destination_path
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_with_extracted_mountpoints(downloaded_path) do |mountpoint|
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`ditto '#{mountpoint}' '#{cask.destination_path}' 2>/dev/null`
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end
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ohai "Success! #{cask} installed to #{cask.destination_path}"
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unless cask.caveats.empty?
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ohai 'Caveats', cask.caveats
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end
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end
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def uninstall(cask)
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raise CaskNotInstalledError.new(cask) unless cask.installed?
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cask.destination_path.rmtree
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end
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def _check_sums(path, sums)
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has_sum = false
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sums.each do |sum|
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unless sum.empty?
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computed = Checksum.new(sum.hash_type, Digest.const_get(sum.hash_type.to_s.upcase).file(path).hexdigest)
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raise ChecksumMismatchError.new(sum, computed) unless sum == computed
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has_sum = true
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end
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end
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raise ChecksumMissingError.new("Checksum required. SHA1: '#{Digest::SHA1.file(path).hexdigest}'") unless has_sum
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end
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def _with_extracted_mountpoints(path)
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if _dmg?(path)
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File.open(path) do |dmg|
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xml_str = `hdiutil mount -plist -nobrowse -readonly -noidme -mountrandom /tmp '#{dmg.path}'`
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hdiutil_info = Plist::parse_xml(xml_str)
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raise Exception.new("No disk entities returned by mount at #{dmg.path}") unless hdiutil_info.has_key?("system-entities")
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mounts = hdiutil_info["system-entities"].collect { |entity|
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entity["mount-point"]
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}.compact
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begin
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mounts.each do |mountpoint|
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yield Pathname.new(mountpoint)
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end
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ensure
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mounts.each do |mountpoint|
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`hdiutil eject '#{mountpoint}'`
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end
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end
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end
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elsif _zip?(path)
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destdir = "/tmp/brewcask_#{@title}_extracted"
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`mkdir -p '#{destdir}'`
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`unzip -d '#{destdir}' '#{path}' -x '__MACOSX/*'`
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begin
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yield destdir
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ensure
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`rm -rf '#{destdir}'`
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end
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elsif _tar?(path)
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destdir = "/tmp/brewcask_#{@title}_extracted"
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`mkdir -p '#{destdir}'`
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`tar jxf '#{path}' -C '#{destdir}'`
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begin
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yield destdir
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ensure
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`rm -rf '#{destdir}'`
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end
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else
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raise "uh oh, could not identify type of #{path}"
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end
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end
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def _dmg?(path)
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output = `hdiutil imageinfo '#{path}' 2>/dev/null`
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output != ''
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end
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def _zip?(path)
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output = `file -Izb '#{path}'`
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output.chomp.include? 'compressed-encoding=application/zip; charset=binary; charset=binary'
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end
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def _tar?(path)
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_tar_bzip?(path) || _tar_gzip?(path)
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end
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def _tar_bzip?(path)
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output = `file -Izb '#{path}'`
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output.chomp == 'application/x-tar; charset=binary compressed-encoding=application/x-bzip2; charset=binary; charset=binary'
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end
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def _tar_gzip?(path)
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output = `file -Izb '#{path}'`
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output.chomp == 'application/x-tar; charset=binary compressed-encoding=application/x-gzip; charset=binary; charset=binary'
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end
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end
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end
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