Module: GitMedia::Status

Defined in:
lib/git-media/status.rb

Class Method Summary collapse

Class Method Details

.find_references ⇒ Object

find tree entries that are likely media references



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# File 'lib/git-media/status.rb', line 15

def self.find_references
  references = {:to_expand => [], :expanded => [], :deleted => []}
  files = `git ls-tree -lz -r HEAD | tr "\\000" \\\\n`.split("\n")
  files = files.map { |f| s = f.split("\t"); [s[0].split(' ').last, s[1]] }
  files = files.select { |f| f[0] == '41' } # it's the right size
  files.each do |tree_size, fname|
    if size = File.size?(fname)
      if size == tree_size.to_i
        # TODO: read in the data and verify that it's a sha + newline
        sha = File.read(fname).strip
        if sha.length == 40 && sha =~ /^[0-9a-f]+$/
          references[:to_expand] << [fname, sha]
        end
      else
        references[:expanded] << fname
      end
    else
      # file was deleted
      references[:deleted] << fname
    end
  end
  references
end

.local_cache_status ⇒ Object 



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# File 'lib/git-media/status.rb', line 85

def self.local_cache_status
  # find files in media buffer and upload them
  references = {:unpushed => [], :pushed => []}
  all_cache = Dir.chdir(GitMedia.get_media_buffer) { Dir.glob('*') }
  unpushed_files = @push.get_unpushed(all_cache) || []
  references[:unpushed] = unpushed_files
  references[:pushed] = all_cache - unpushed_files rescue []
  references
end

.print_cache_status(refs) ⇒ Object 



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# File 'lib/git-media/status.rb', line 64

def self.print_cache_status(refs)
  if refs[:unpushed].size > 0
    puts "== Unpushed Media =="
    refs[:unpushed].each do |sha|
      cache_file = GitMedia.media_path(sha)
      size = File.size(cache_file)
      puts "   " + "(#{self.to_human(size)})".ljust(8) + ' ' + sha[0, 8]
    end
    puts
  end
  if refs[:pushed].size > 0
    puts "== Already Pushed Media =="
    refs[:pushed].each do |sha|
      cache_file = GitMedia.media_path(sha)
      size = File.size(cache_file)
      puts "   " + "(#{self.to_human(size)})".ljust(8) + ' ' + sha[0, 8]
    end
    puts
  end
end

.print_references(refs) ⇒ Object 



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# File 'lib/git-media/status.rb', line 39

def self.print_references(refs)
  if refs[:to_expand].size > 0
    puts "== Unexpanded Media =="
    refs[:to_expand].each do |file, sha|
      puts "   " + sha[0, 8] + " " + file
    end
    puts
  end
  if refs[:expanded].size > 0
    puts "== Expanded Media =="
    refs[:expanded].each do |file|
      size = File.size(file)
      puts "   " + "(#{self.to_human(size)})".ljust(8) + " #{file}"
    end
    puts
  end
  if refs[:deleted].size > 0
    puts "== Deleted Media =="
    refs[:deleted].each do |file|
      puts "           " + " #{file}"
    end
    puts
  end
end

.run! ⇒ Object 



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# File 'lib/git-media/status.rb', line 6

def self.run!
  @push = GitMedia.get_push_transport
  r = self.find_references
  self.print_references(r)
  r = self.local_cache_status
  self.print_cache_status(r)
end

.to_human(size) ⇒ Object 



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# File 'lib/git-media/status.rb', line 96

def self.to_human(size)
  if size < 1024
    return size.to_s + 'b'
  elsif size < 1048576
    return (size / 1024).to_s + 'k'
  else
    return (size / 1048576).to_s + 'm'
  end
end