Fixes

lib/blockdev/devmapper.rb

@@ -38,8 +38,8 @@ def self.unmap_partitions_to_devices(path)
 
   def self.get_mapping(path)
     path = path.path if (path.is_a? File)
-    output = KernelExt::fork_exec_get_output(@kpartx_path, file) 
-    mapping = Mapping.new(file)
+    output = KernelExt::fork_exec_get_output(@kpartx_path, path) 
+    mapping = Mapping.new(path)
     output.scan /^(\S+)\s*:\s*\d+\s+\d+\s+(\S+)\s+\d+$/ do |m|
       if (mapping.device.nil?)
         mapping.device = $2
@@ -72,6 +72,7 @@ def self.unmap_partitions_to_devices_kpartx(path)
     path = path.path if (path.is_a? File)
     devices = Loop::devices_for(path)
     devices.each do |device|
+      puts(@kpartx_path, "-d", device)
       KernelExt::fork_exec_no_output(@kpartx_path, "-d", device)
       Loop::remove(device)
     end

lib/blockdev/loop.rb

@@ -18,7 +18,7 @@ def self.add(path, read_only = false, offset = nil, size = nil)
       args.push("--sizelimit", size)
     end
     args.push("-f", path)
-    line = KernelExt::fork_exec_get_output(args)
+    line = KernelExt::fork_exec_get_output(*args)
     line.strip
   end
 
@@ -66,7 +66,7 @@ def self.device_for(path)
 
   def self.devices_for(path)
     path = path.path if (path.is_a? File)
-    loop_devs = loop_devices
+    loop_devs = devices
     loop_devs.reject! { |dev| file_name_for(dev) != path }
     loop_devs
   end

sandbox/hlpartitiontable_unmap.rb

@@ -0,0 +1,11 @@
+$:.unshift File.join(File.dirname(__FILE__), '..', 'lib')
+
+require 'rubygems'
+require 'hl-partition.rb'
+require 'file/file_patch.rb'
+require 'debootstrap/debootstrap.rb'
+
+#path = "tmp/highlevel.img"
+path = "/home/vmplanet/cabochon/tmp/highlevel.img"
+
+DevMapper.unmap_partitions_to_devices(path)