[jhbuild] misc: allow unaccented characters when approving for wipe

[Frederic Peters <fpeters src gnome org>]

commit 21b4c85a78aeb354cad781ff7d0372c4ae12d14a
Author: Frédéric Péters <fpeters 0d be>
Date:   Wed Jan 27 16:45:56 2016 +0100

    misc: allow unaccented characters when approving for wipe
    
    https://bugzilla.gnome.org/show_bug.cgi?id=690016

 jhbuild/frontends/terminal.py |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/jhbuild/frontends/terminal.py b/jhbuild/frontends/terminal.py
index 0b77cba..e4d3a9d 100644
--- a/jhbuild/frontends/terminal.py
+++ b/jhbuild/frontends/terminal.py
@@ -22,6 +22,7 @@ import sys
 import os
 import signal
 import subprocess
+import unicodedata
 import locale
 
 from jhbuild.frontends import buildscript
@@ -362,7 +363,9 @@ class TerminalBuildScript(buildscript.BuildScript):
                     val = raw_input(uencode(_('Type "yes" to confirm the action: ')))
                     val = udecode(val)
                     val = val.strip()
-                    if val.lower() in ('yes', _('yes').lower()):
+                    def normalize(s):
+                        return unicodedata.normalize('NFKD', s).encode('ascii', 'ignore').lower()
+                    if normalize(val) in ('yes', normalize(_('yes')), _('yes').lower()):
                         return selected_phase
                     continue
                 return selected_phase