From e1cb51e727e7e4a4b49fa1f78a76e701b14da4f6 Mon Sep 17 00:00:00 2001
From: kakkoko <kakkoko@pushf.jp>
Date: Tue, 24 Apr 2018 17:33:58 +0900
Subject: [PATCH] Add to support another format of memory size

DMTF DSP0004(*1) defines flexible format of programatic units.
(for instance, "byte * 2^10" == "kibibytes")
This commit supports three often-used representation:

  * "byte * 2^10" (means "kibibytes")
  * "byte * 2^20" (means "mebibytes")
  * "byte * 2^30" (means "gibibytes")

If you need complete support of DSP0004, you must implement more complex
interpreter.

(*1) http://www.dmtf.org/standards/published_documents/DSP0004_2.7.0.pdf
---
 lib/vagrant-mutate/box/virtualbox.rb | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/vagrant-mutate/box/virtualbox.rb b/lib/vagrant-mutate/box/virtualbox.rb
index 34ec175..8216900 100644
--- a/lib/vagrant-mutate/box/virtualbox.rb
+++ b/lib/vagrant-mutate/box/virtualbox.rb
@@ -123,7 +123,7 @@ def ovf
       # defaults to false because ovf MB != megabytes
       def size_in_bytes(qty, unit, mib = false)
         qty = qty.to_i
-        unit = unit.downcase
+        unit = unit.downcase.gsub(/\s+/, '')
         unless mib
           case unit
           when 'kb', 'kilobytes'
@@ -139,15 +139,15 @@ def size_in_bytes(qty, unit, mib = false)
           qty
         when 'kb', 'kilobytes'
           (qty * 1000)
-        when 'kib', 'kibibytes'
+        when 'kib', 'kibibytes', 'byte*2^10'
           (qty * 1024)
         when 'mb', 'megabytes'
           (qty * 1_000_000)
-        when 'm', 'mib', 'mebibytes'
+        when 'm', 'mib', 'mebibytes', 'byte*2^20'
           (qty * 1_048_576)
         when 'gb', 'gigabytes'
           (qty * 1_000_000_000)
-        when 'g', 'gib', 'gibibytes'
+        when 'g', 'gib', 'gibibytes', 'byte*2^30'
           (qty * 1_073_741_824)
         else
           fail ArgumentError, "Unknown unit #{unit}"