initial

README.md

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+## Make manifest for LTO
+Needs Ruby bagit gem to be installed. Run `sudo gem install bagit`

ltomanifest.rb

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+#!/usr/bin/env ruby
+
+require 'bagit'
+require 'yaml'
+require 'optparse'
+
+option = {}
+
+OptionParser.new do |opts|
+  opts.banner = "Usage: ltomanifest.rb [option] [inputfile]"
+
+  opts.on("-m", "--make", "Make manifest") do |e|
+    option = 'make'
+  end
+  opts.on("-c", "--confirm", "Confirm manifest") do |d|
+    option = 'confirm'
+  end
+  opts.on("-h", "--help", "Help") do
+    puts opts
+    exit
+  end
+  if ARGV.empty?
+    puts opts
+  end
+end.parse!
+
+input=ARGV
+TargetBags = Array.new
+
+# Methods for colored text output
+def red(input)
+  puts "\e[31m#{input}\e[0m"
+end
+
+def green(input)
+  puts "\e[36m#{input}\e[0m"
+end
+
+def Create_manifest(input)
+#Check and limit input
+  if input.length > 1
+    red("Please only use one directory as input. Exiting.")
+    exit
+  else
+    input = input[0]
+  end
+
+  if ! File.directory?(input)
+    red("Input is not a valid directory. Exiting")
+    exit
+  elsif File.exist?("#{input}/tapemanifest.txt")
+    red("#{input}/tapemanifest.txt already exists. Exiting.")
+    exit
+  end
+  #Get list of directories
+  Dir.chdir(input)
+  bag_list = Dir.glob('*')
+  #Check if supposed bags are actually directories
+  bag_list.each do |isdirectory|
+    if ! File.directory?(isdirectory)
+      red("Warning! Files not contained in bags found at -- #{isdirectory} -- Exiting.")
+      exit
+    end
+  end
+
+  #Check if directories are bags (contains metadata files)
+  bag_list.each do |isbag|
+    if ! File.exist?("#{isbag}/bag-info.txt") || ! File.exist?("#{isbag}/bagit.txt")
+      red("Warning! Unbagged directory found at -- #{isbag} Exiting.")
+    end
+  end
+
+  #Verify all bags are valid bags
+  bag_list.each do |isvalidbag|
+    bag = BagIt::Bag.new isvalidbag
+    if bag.valid?
+      TargetBags << isvalidbag
+    else
+      red("Warning! Invalid Bag Detected at -- #{isvalidbag} -- Dumping List of Validated Bags and Exiting!")
+        data = {"ConfirmedBags" => TargetBags}
+        File.write('BagListDump.txt',data.to_yaml)
+      exit
+    end
+  end
+  targetBagsSorted = TargetBags.sort
+  bagcontents = Array.new
+  #Gather checksums from individual bags
+  targetBagsSorted.each do |bagparse|
+    metafile = "#{bagparse}/manifest-md5.txt"
+    contents = File.readlines(metafile)
+    bagcontents << bagparse
+    bagcontents << contents
+  end
+
+  #Write manifest of bags and checksums
+  data = {"Bag List" => targetBagsSorted, "Contents" => bagcontents}
+  File.write('tapemanifest.txt',data.to_yaml)
+  green("Manifest written at #{input}/tapemanifest.txt")
+end
+
+def Auditmanifest(input)
+  #Confirm input
+  if input.length > 1
+    red("Please only use one maifest file as input. Exiting.")
+    exit  
+  else
+    input = input[0]
+  end
+  if ! File.exist?(input)
+    red("Please use a valid input file")
+    exit
+  end
+  #Read manifest file
+  manifestlocation = File.dirname(input)
+  manifestinfo = YAML::load_file(input) || red(error)
+  bags = manifestinfo['Bag List']
+  Dir.chdir(manifestlocation)
+  #Confirm validity of all bags listed in manifest file
+  confirmedBags = Array.new
+  problemBags = Array.new
+  if bags.empty?
+    red 'No Bag Information Found. Please Confirm Manifest'
+  end
+  bags.each do |isvalidbag|
+    bag = BagIt::Bag.new isvalidbag
+    if bag.valid?
+      green("Contents Confirmed: #{isvalidbag}")
+      confirmedBags << isvalidbag
+    else
+      puts "Warning: Invalid bag found at -- #{isvalidbag}"
+      problemBags << isvalidbag
+    end
+  end
+  #List warning of problem bags
+  if problemBags.length > 0
+    red("These Bags Failed Verification")
+    red(problemBags)
+  else
+    green("All Bags Verified Successfully")
+  end
+end
+
+if option == 'make'
+  Create_manifest(input)
+elsif option == 'confirm'
+  Auditmanifest(input)
+else
+  puts "You must use an option"
+end