fixup scons (osx) to generate scmrev.h and build.

hopefully this will be the last code change committed directly to master for a while... :/
next is cmake to replace scons on osx hopefully. pointers anyone? (soren?)

.gitignore

@@ -29,8 +29,11 @@ _ReSharper*/
 [Tt]est[Rr]esult*
 Binary/Win32
 Binary/x64
+Binary/Darwin*
 Source/Core/Common/Src/scmrev.h
 *.opensdf
 *.sdf
 [Bb]uild
 *.ipch
+.sconsign.dblite
+Externals/scons-local/*

SConstruct

@@ -2,6 +2,7 @@
 # -*- python -*-
 
 import os
+import re
 import sys
 import platform
 
@@ -92,7 +93,10 @@ if not env.has_key('install') or env['install'] == 'local':
     if env['flavor'] == 'debug' or env['flavor'] == 'prof':
         env['prefix'] += '-' + env['flavor']
 
-env['svnrev'] = os.popen('svnversion -n .').read().split(':')[0]
+env['gitrev'] = os.popen('git rev-parse HEAD').read().split('\n')[0]
+env['gitdesc'] = re.sub('-[^-]+(-dirty)?$', '',
+    os.popen('git describe --always --long --dirty').read().split('\n')[0])
+env['gitbranch'] = os.popen('git rev-parse --abbrev-ref HEAD').read().split('\n')[0]
 
 # OS X specifics
 if sys.platform == 'darwin':

Source/Core/Common/SConscript

@@ -4,16 +4,16 @@ Import('env')
 import os
 import sys
 
-def createVersion(env, target, source):
-        tmpstr = open(source[0].path, 'r').read().\
-		replace("$WCMODS?$WCREV$M:$WCREV$$", env['svnrev'])
-        outfile = open(target[0].path, 'w')
-        outfile.write(tmpstr + '\n')
-        outfile.close()
+out_contents =\
+	'#define SCM_REV_STR "' + env['gitrev'] + '"\n' +\
+	'#define SCM_DESC_STR "' + env['gitdesc'] + '"\n' +\
+	'#define SCM_BRANCH_STR "' + env['gitbranch'] + '"\n' +\
+	'#define SCM_IS_MASTER ' + ('1' if env['gitbranch'] == 'master' else '0') + '\n\n'
 
-Execute(Delete('Src/svnrev.h'))
-env.Command('Src/svnrev.h', 'Src/svnrev_template.h',
-	[Delete('${TARGET.srcpath}'), createVersion])
+Execute(Delete('Src/scmrev.h'))
+outfile = open('Src/scmrev.h', 'w')
+outfile.write(out_contents)
+outfile.close()
 
 files = [
 	'Src/ABI.cpp',

Source/Core/DolphinWX/SConscript

@@ -114,7 +114,7 @@ elif sys.platform == 'darwin':
 		CFBundleIdentifier = 'com.dolphin-emulator.dolphin',
 		CFBundleLocalizations = languages,
 		CFBundlePackageType = 'APPL',
-		CFBundleShortVersionString = env['svnrev'],
+		CFBundleShortVersionString = env['gitdesc'],
 		CFBundleVersion = '3.0',
 		LSMinimumSystemVersion = '10.5.4',
 		LSRequiresCarbon = True,