[PATCH 8/8] oe/copy_buildsystem.py: add SDK_LAYERS_EXCLUDE_PATTERN

Robert Yang
2016-11-17T06:19:42Z

It is helpful we want to exclude a lot of layers.
It uses python re, and supports multiple patterns (separated by space).

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
---
meta/lib/oe/copy_buildsystem.py | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)

diff --git a/meta/lib/oe/copy_buildsystem.py b/meta/lib/oe/copy_buildsystem.py
index 29ac6d4..e5d00c7 100644
--- a/meta/lib/oe/copy_buildsystem.py
+++ b/meta/lib/oe/copy_buildsystem.py
@@ -1,5 +1,12 @@
# This class should provide easy access to the different aspects of the
# buildsystem such as layers, bitbake location, etc.
+#
+# SDK_LAYERS_EXCLUDE: Layers which will be excluded from SDK layers.
+# SDK_LAYERS_EXCLUDE_PATTERN: The simiar to SDK_LAYERS_EXCLUDE, this supports
+# python regular expression, use space as separator,
+# e.g.: ".*-downloads closed-.*"
+#
+
import stat
import shutil

@@ -23,8 +30,10 @@ class BuildSystem(object):
self.context = context
self.layerdirs = [os.path.abspath(pth) for pth in d.getVar('BBLAYERS', True).split()]
self.layers_exclude = (d.getVar('SDK_LAYERS_EXCLUDE', True) or "").split()
+ self.layers_exclude_pattern = d.getVar('SDK_LAYERS_EXCLUDE_PATTERN', True)

def copy_bitbake_and_layers(self, destdir, workspace_name=None):
+ import re
# Copy in all metadata layers + bitbake (as repositories)
layers_copied = []
bb.utils.mkdirhier(destdir)
@@ -36,8 +45,17 @@ class BuildSystem(object):
# Exclude layers
for layer_exclude in self.layers_exclude:
if layer_exclude in layers:
+ bb.note('Excluded %s from sdk layers since it is in SDK_LAYERS_EXCLUDE' % layer_exclude)
layers.remove(layer_exclude)

+ if self.layers_exclude_pattern:
+ layers_cp = layers[:]
+ for pattern in self.layers_exclude_pattern.split():
+ for layer in layers_cp:
+ if re.match(pattern, layer):
+ bb.note('Excluded %s from sdk layers since matched SDK_LAYERS_EXCLUDE_PATTERN' % layer)
+ layers.remove(layer)
+
workspace_newname = workspace_name
if workspace_newname:
layernames = [os.path.basename(layer) for layer in layers]
--
2.10.2