style: If IGNORE_STYLE=True is set on the scons command line, ignore style.

Use this in the regress script to avoid issues with the checker.

--HG--
extra : convert_revision : 562b6a6d73dc46e412d00ba2588af2793335274e

SConstruct

@@ -118,7 +118,7 @@ pretxncommit.style = python:style.check_whitespace
 """ % (ROOT)
         sys.exit(1)
 
-if isdir(joinpath(ROOT, '.hg')):
+if ARGUMENTS['IGNORE_STYLE'] != 'True' and isdir(joinpath(ROOT, '.hg')):
     try:
         from mercurial import ui
         check_style_hook(ui.ui())

util/regress

@@ -99,7 +99,7 @@ try:
     if options.jobs != 1:
         scons_opts += ' -j %d' % options.jobs
 
-    system('scons %s %s' % (scons_opts, ' '.join(targets)))
+    system('scons IGNORE_STYLE=True %s %s' % (scons_opts, ' '.join(targets)))
 
     sys.exit(0)