Class: Synchrotron::Scanner

Inherits:
Object
  • Object
show all
Defined in:
lib/synchrotron/scanner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ Scanner

Returns a new instance of Scanner.



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# File 'lib/synchrotron/scanner.rb', line 6

def initialize(root)
  @paths = {}
  @root  = File.expand_path(root)
end

Instance Attribute Details

#paths ⇒ Object (readonly)

Returns the value of attribute paths.



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# File 'lib/synchrotron/scanner.rb', line 4

def paths
  @paths
end

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/synchrotron/scanner.rb', line 4

def root
  @root
end

Instance Method Details

#scan(path = @root) ⇒ Object 



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# File 'lib/synchrotron/scanner.rb', line 11

def scan(path = @root)
  changed = {}
  ignored = []

  Find.find(path) do |p|
    if Synchrotron.ignore.match(p)
      ignored << p
      Find.prune
    end

    old  = @paths[p]
    stat = File.lstat(p)

    changed[p] = stat if old.nil? || stat.ino != old.ino ||
        stat.mtime != old.mtime || stat.size != old.size
  end

  @paths.merge!(changed) unless changed.empty?
  {:changed => changed.values.sort, :ignored => ignored}
end