[OE-core] [PATCH 12/16] oe-selftest: support getting unexported variable values

[Paul Eggleton]

Allow get_bb_var() to work with unexported variable values such as
MACHINE - the workaround is a little crude but should suffice for now.

Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
---
 meta/lib/oeqa/utils/commands.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/meta/lib/oeqa/utils/commands.py b/meta/lib/oeqa/utils/commands.py
index 5b601d9..e8a467f 100644
--- a/meta/lib/oeqa/utils/commands.py
+++ b/meta/lib/oeqa/utils/commands.py
@@ -137,11 +137,18 @@ def get_bb_env(target=None, postconfig=None):
 def get_bb_var(var, target=None, postconfig=None):
     val = None
     bbenv = get_bb_env(target, postconfig=postconfig)
+    lastline = None
     for line in bbenv.splitlines():
         if line.startswith(var + "=") or line.startswith("export " + var + "="):
             val = line.split('=')[1]
             val = val.strip('\"')
             break
+        elif line.startswith("unset " + var):
+            # Handle [unexport] variables
+            if lastline.startswith('#   "'):
+                val = lastline.split('\"')[1]
+                break
+        lastline = line
     return val
 
 def get_test_layer():
-- 
1.9.3