[OE-core] [PATCH 1/3] wic: accept '-' in bitbake variables

[Enrico Scholz]

From: Enrico Scholz <enrico.scholz at ensc.de>

'-' is valid and common in bitbake variables (e.g. 'FOO_pn-bar'). Accept
it and other characters when reading the .env file.

Also, allow variables to be empty.

Signed-off-by: Enrico Scholz <enrico.scholz at ensc.de>
---
 scripts/lib/wic/misc.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/lib/wic/misc.py b/scripts/lib/wic/misc.py
index 4e07cd6..0792480 100644
--- a/scripts/lib/wic/misc.py
+++ b/scripts/lib/wic/misc.py
@@ -183,7 +183,7 @@ class BitbakeVars(defaultdict):
         self.default_image = None
         self.vars_dir = None
 
-    def _parse_line(self, line, image, matcher=re.compile(r"^(\w+)=(.+)")):
+    def _parse_line(self, line, image, matcher=re.compile(r"^([a-zA-Z0-9\-_+./~]+)=(.*)")):
         """
         Parse one line from bitbake -e output or from .env file.
         Put result key-value pair into the storage.
-- 
2.9.5