diff options
| -rw-r--r-- | meta/classes/copyleft_compliance.bbclass | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/meta/classes/copyleft_compliance.bbclass b/meta/classes/copyleft_compliance.bbclass new file mode 100644 index 000000000..5d9ab1192 --- /dev/null +++ b/meta/classes/copyleft_compliance.bbclass @@ -0,0 +1,94 @@ +# 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' + + +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 oe.utils.inherits(d, 'native', 'nativesdk', 'cross', 'crossdk'): + # not a target recipe + return + + 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)) + + 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' |