if raw_input() != "y":
print 'Aborted'
sys.exit(1)
-command("git clean")
+command("git clean -f")
command("git tag -m \"v%s\" v%s" % (release_version_string, release_version_string))
command("./waf clean")
-command("./waf")
command("./waf configure")
+command("./waf")
command("./waf dist")
rewrite_wscript(new_pre_version)