Class: Jets::Builders::Md5

Inherits:
Object
  • Object
show all
Defined in:
lib/jets/builders/md5.rb

Constant Summary collapse

@@checksums = 
{}

Class Method Summary collapse

Class Method Details

.checksums ⇒ Object 



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# File 'lib/jets/builders/md5.rb', line 14

def checksums
  @@checksums
end

.compute! ⇒ Object 



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# File 'lib/jets/builders/md5.rb', line 28

def compute!
  stage_folders.each do |path|
    @@checksums[path] = dir(path)
  end
  @@checksums
end

.dir(short_path) ⇒ Object 



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# File 'lib/jets/builders/md5.rb', line 35

def dir(short_path)
  path = "#{Jets.build_root}/#{short_path}"
  files = Dir["#{path}/**/*"]
  files.reject! { |f| File.directory?(f) }
       .reject! { |f| File.symlink?(f) }
  content = files.map do |f|
    Digest::MD5.file(f).to_s[0..7]
  end.join

  # The stage/code md5 sha depends on the other 'symlinked' folders.
  if short_path == "stage/code"
    content += @@checksums.values.join
  end

  md5 = Digest::MD5.new
  md5.update(content)
  md5.hexdigest.to_s[0..7]
end

.stage_folders ⇒ Object 



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# File 'lib/jets/builders/md5.rb', line 18

def stage_folders
  paths = []
  paths << "stage/bundled" if Jets.lazy_load?
  paths << "stage/rack" if Jets.rack?
  # Important to have stage/code at the end, since it will use the other
  # 'symlinked' folders to adjust the md5 hash.
  paths << "stage/code"
  paths
end