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# Deploy sources for recipes for compliance with copyleft-style licenses
# Defaults to using symlinks, as it's a quick operation, and one can easily
# follow the links when making use of the files (e.g. tar with the -h arg).
#
# By default, includes all GPL and LGPL, and excludes CLOSED and Proprietary.
#
# vi:sts=4:sw=4:et
COPYLEFT_SOURCES_DIR ?= '${DEPLOY_DIR}/copyleft_sources'
COPYLEFT_LICENSE_INCLUDE ?= 'GPL* LGPL*'
COPYLEFT_LICENSE_INCLUDE[type] = 'list'
COPYLEFT_LICENSE_INCLUDE[doc] = 'Space separated list of globs which include licenses'
COPYLEFT_LICENSE_EXCLUDE ?= 'CLOSED Proprietary'
COPYLEFT_LICENSE_EXCLUDE[type] = 'list'
COPYLEFT_LICENSE_INCLUDE[doc] = 'Space separated list of globs which exclude licenses'
COPYLEFT_RECIPE_TYPE ?= '${@copyleft_recipe_type(d)}'
COPYLEFT_RECIPE_TYPE[doc] = 'The "type" of the current recipe (e.g. target, native, cross)'
COPYLEFT_RECIPE_TYPES ?= 'target'
COPYLEFT_RECIPE_TYPES[type] = 'list'
COPYLEFT_RECIPE_TYPES[doc] = 'Space separated list of recipe types to include'
COPYLEFT_AVAILABLE_RECIPE_TYPES = 'target native nativesdk cross crosssdk cross-canadian'
COPYLEFT_AVAILABLE_RECIPE_TYPES[type] = 'list'
COPYLEFT_AVAILABLE_RECIPE_TYPES[doc] = 'Space separated list of available recipe types'
def copyleft_recipe_type(d):
for recipe_type in oe.data.typed_value('COPYLEFT_AVAILABLE_RECIPE_TYPES', d):
if oe.utils.inherits(d, recipe_type):
return recipe_type
return 'target'
def copyleft_should_include(d):
"""Determine if this recipe's sources should be deployed for compliance"""
import ast
import oe.license
from fnmatch import fnmatchcase as fnmatch
if d.getVar('COPYLEFT_RECIPE_TYPE', True) not in oe.data.typed_value('COPYLEFT_RECIPE_TYPES', d):
return False
include = oe.data.typed_value('COPYLEFT_LICENSE_INCLUDE', d)
exclude = oe.data.typed_value('COPYLEFT_LICENSE_EXCLUDE', d)
def include_license(license):
if any(fnmatch(license, pattern) for pattern in exclude):
return False
if any(fnmatch(license, pattern) for pattern in include):
return True
return False
def choose_licenses(a, b):
"""Select the left option in an OR if all its licenses are to be included"""
if all(include_license(lic) for lic in a):
return a
else:
return b
try:
licenses = oe.license.flattened_licenses(d.getVar('LICENSE', True), choose_licenses)
except oe.license.InvalidLicense as exc:
bb.fatal('%s: %s' % (d.getVar('PF', True), exc))
except SyntaxError:
bb.warn("%s: Failed to parse it's LICENSE field." % (d.getVar('PF', True)))
return all(include_license(lic) for lic in licenses)
python do_prepare_copyleft_sources () {
"""Populate a tree of the recipe sources and emit patch series files"""
import os.path
import shutil
if not copyleft_should_include(d):
return
sources_dir = d.getVar('COPYLEFT_SOURCES_DIR', 1)
src_uri = d.getVar('SRC_URI', 1).split()
fetch = bb.fetch2.Fetch(src_uri, d)
ud = fetch.ud
locals = (fetch.localpath(url) for url in fetch.urls)
localpaths = [local for local in locals if not local.endswith('.bb')]
if not localpaths:
return
pf = d.getVar('PF', True)
dest = os.path.join(sources_dir, pf)
shutil.rmtree(dest, ignore_errors=True)
bb.mkdirhier(dest)
for path in localpaths:
os.symlink(path, os.path.join(dest, os.path.basename(path)))
patches = src_patches(d)
for patch in patches:
_, _, local, _, _, parm = bb.decodeurl(patch)
patchdir = parm.get('patchdir')
if patchdir:
series = os.path.join(dest, 'series.subdir.%s' % patchdir.replace('/', '_'))
else:
series = os.path.join(dest, 'series')
with open(series, 'a') as s:
s.write('%s -p%s\n' % (os.path.basename(local), parm['striplevel']))
}
addtask prepare_copyleft_sources after do_fetch before do_build
do_build[recrdeptask] += 'do_prepare_copyleft_sources'
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