add get_arch

returns dpkg's notion of the architecture

diff --git a/gbp/deb_utils.py b/gbp/deb_utils.py
index b586aab..2879459 100644 (file)
--- a/gbp/deb_utils.py
+++ b/gbp/deb_utils.py
@@ -8,6 +8,7 @@ import email
 import os
 import re
 import shutil
+import subprocess
 import sys
 import glob
 import command_wrappers as gbpc
@@ -209,6 +210,12 @@ def tar_toplevel(dir):
         return dir
 
 
+def get_arch():
+    pipe = subprocess.Popen(["dpkg", "--print-architecture"], shell=False, stdout=subprocess.PIPE)
+    arch = pipe.stdout.readline().strip()
+    return arch
+
+
 def _test():
     import doctest
     doctest.testmod()