Module: SmartS3Sync::DigestCache

Defined in:
lib/smart_s3_sync/digest_cache.rb

Class Method Summary collapse

Class Method Details

.digest(filename) ⇒ Object 



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# File 'lib/smart_s3_sync/digest_cache.rb', line 7

def digest(filename)
  if (cr = cache_record(filename)) && File.mtime(filename).to_i <= cr[0]
    cr[1]
  else
    Digest::MD5.file(filename).hexdigest.tap do |digest|
      save_record(filename, File.mtime(filename).to_i, digest)
    end
  end
end

.save_record(filename, mtime, digest) ⇒ Object 



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# File 'lib/smart_s3_sync/digest_cache.rb', line 17

def save_record(filename, mtime, digest)
  database.execute("INSERT OR REPLACE INTO files (filename, mtime, digest) VALUES (?, ?, ?)", [filename, mtime, digest])
end