[bitbake-devel] [1.26][PATCH 1/2] lib/bb/utils: add function to get layer containing a file
Paul Eggleton
paul.eggleton at linux.intel.com
Fri May 22 15:42:21 UTC 2015
In certain contexts it can be useful to find the layer that a file (e.g.
a recipe) appears in.
Implements [YOCTO #7723].
(Bitbake master rev: 3bf9c8830c5d5eea5502230d5af84ebd87ad5849)
Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
lib/bb/utils.py | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/lib/bb/utils.py b/lib/bb/utils.py
index c97f3ef..1681efd 100644
--- a/lib/bb/utils.py
+++ b/lib/bb/utils.py
@@ -1097,3 +1097,19 @@ def edit_bblayers_conf(bblayers_conf, add, remove):
return (notadded, notremoved)
+
+def get_file_layer(filename, d):
+ """Determine the collection (as defined by a layer's layer.conf file) containing the specified file"""
+ collections = (d.getVar('BBFILE_COLLECTIONS', True) or '').split()
+ collection_res = {}
+ for collection in collections:
+ collection_res[collection] = d.getVar('BBFILE_PATTERN_%s' % collection, True) or ''
+
+ # Use longest path so we handle nested layers
+ matchlen = 0
+ match = None
+ for collection, regex in collection_res.iteritems():
+ if len(regex) > matchlen and re.match(regex, filename):
+ matchlen = len(regex)
+ match = collection
+ return match
--
2.1.0
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