#!/usr/bin/python3 import sys import locale import io import os import os.path import subprocess import re from debian_linux import config from debian_linux.debian import PackageDescription, PackageRelation, \ PackageRelationEntry, PackageRelationGroup, VersionLinux from debian_linux.gencontrol import Gencontrol as Base, merge_packages, \ iter_featuresets from debian_linux.utils import Templates, read_control locale.setlocale(locale.LC_CTYPE, "C.UTF-8") class Gencontrol(Base): config_schema = { 'abi': { 'ignore-changes': config.SchemaItemList(), }, 'build': { 'debug-info': config.SchemaItemBoolean(), 'signed-code': config.SchemaItemBoolean(), 'vdso': config.SchemaItemBoolean(), }, 'description': { 'parts': config.SchemaItemList(), }, 'image': { 'bootloaders': config.SchemaItemList(), 'configs': config.SchemaItemList(), 'initramfs-generators': config.SchemaItemList(), 'check-size': config.SchemaItemInteger(), 'check-size-with-dtb': config.SchemaItemBoolean(), 'check-uncompressed-size': config.SchemaItemInteger(), 'depends': config.SchemaItemList(','), 'provides': config.SchemaItemList(','), 'suggests': config.SchemaItemList(','), 'recommends': config.SchemaItemList(','), 'conflicts': config.SchemaItemList(','), 'breaks': config.SchemaItemList(','), }, 'relations': { }, 'packages': { 'docs': config.SchemaItemBoolean(), 'headers-all': config.SchemaItemBoolean(), 'installer': config.SchemaItemBoolean(), 'libc-dev': config.SchemaItemBoolean(), 'tools-unversioned': config.SchemaItemBoolean(), 'tools-versioned': config.SchemaItemBoolean(), 'source': config.SchemaItemBoolean(), } } env_flags = [ ('DEBIAN_KERNEL_DISABLE_DEBUG', 'disable_debug', 'debug infos'), ('DEBIAN_KERNEL_DISABLE_INSTALLER', 'disable_installer', 'installer modules'), ('DEBIAN_KERNEL_DISABLE_SIGNED', 'disable_signed', 'signed code'), ] def __init__(self, config_dirs=["debian/config"], template_dirs=["debian/templates"]): super(Gencontrol, self).__init__( config.ConfigCoreHierarchy(self.config_schema, config_dirs), Templates(template_dirs), VersionLinux) self.process_changelog() self.config_dirs = config_dirs for env, attr, desc in self.env_flags: setattr(self, attr, False) if os.getenv(env): if self.changelog[0].distribution == 'UNRELEASED': import warnings warnings.warn(f'Disable {desc} on request ({env} set)') setattr(self, attr, True) else: raise RuntimeError( f'Unable to disable {desc} in release build ({env} set)') def _setup_makeflags(self, names, makeflags, data): for src, dst, optional in names: if src in data or not optional: makeflags[dst] = data[src] def _substitute_file(self, template, vars, target, append=False): with open(target, 'a' if append else 'w') as f: f.write(self.substitute(self.templates[template], vars)) def do_main_setup(self, vars, makeflags, extra): super(Gencontrol, self).do_main_setup(vars, makeflags, extra) makeflags.update({ 'VERSION': self.version.linux_version, 'UPSTREAMVERSION': self.version.linux_upstream, 'ABINAME': self.abiname_version + self.abiname_part, 'SOURCEVERSION': self.version.complete, }) makeflags['SOURCE_BASENAME'] = self.vars['source_basename'] # Prepare to generate debian/tests/control self.tests_control = self.process_packages( self.templates['tests-control.main'], vars) self.tests_control_image = None self.installer_packages = {} if not self.disable_installer and self.config.merge('packages').get('installer', True): # Add udebs using kernel-wedge kw_env = os.environ.copy() kw_env['KW_DEFCONFIG_DIR'] = 'debian/installer' kw_env['KW_CONFIG_DIR'] = 'debian/installer' kw_proc = subprocess.Popen( ['kernel-wedge', 'gen-control', vars['abiname']], stdout=subprocess.PIPE, env=kw_env) if not isinstance(kw_proc.stdout, io.IOBase): udeb_packages = read_control(io.open(kw_proc.stdout.fileno(), closefd=False)) else: udeb_packages = read_control(io.TextIOWrapper(kw_proc.stdout)) kw_proc.wait() if kw_proc.returncode != 0: raise RuntimeError('kernel-wedge exited with code %d' % kw_proc.returncode) # All architectures that have some installer udebs arches = set() for package in udeb_packages: arches.update(package['Architecture']) # Code-signing status for those architectures # If we're going to build signed udebs later, don't actually # generate udebs. Just test that we *can* build, so we find # configuration errors before building linux-signed. build_signed = {} for arch in arches: if not self.disable_signed: build_signed[arch] = self.config.merge('build', arch) \ .get('signed-code', False) else: build_signed[arch] = False for package in udeb_packages: # kernel-wedge currently chokes on Build-Profiles so add it now if any(build_signed[arch] for arch in package['Architecture']): assert all(build_signed[arch] for arch in package['Architecture']) # XXX This is a hack to exclude the udebs from # the package list while still being able to # convince debhelper and kernel-wedge to go # part way to building them. package['Build-Profiles'] = ( '') else: package['Build-Profiles'] = '' for arch in package['Architecture']: self.installer_packages.setdefault(arch, []) \ .append(package) def do_main_makefile(self, makefile, makeflags, extra): for featureset in iter_featuresets(self.config): makeflags_featureset = makeflags.copy() makeflags_featureset['FEATURESET'] = featureset cmds_source = ["$(MAKE) -f debian/rules.real source-featureset %s" % makeflags_featureset] makefile.add('source_%s_real' % featureset, cmds=cmds_source) makefile.add('source_%s' % featureset, ['source_%s_real' % featureset]) makefile.add('source', ['source_%s' % featureset]) makeflags = makeflags.copy() makeflags['ALL_FEATURESETS'] = ' '.join(iter_featuresets(self.config)) super(Gencontrol, self).do_main_makefile(makefile, makeflags, extra) def do_main_packages(self, packages, vars, makeflags, extra): packages.extend(self.process_packages( self.templates["control.main"], self.vars)) if self.config.merge('packages').get('docs', True): packages.extend(self.process_packages( self.templates["control.docs"], self.vars)) if self.config.merge('packages').get('tools-unversioned', True): packages.extend(self.process_packages( self.templates["control.tools-unversioned"], self.vars)) if self.config.merge('packages').get('tools-versioned', True): packages.extend(self.process_packages( self.templates["control.tools-versioned"], self.vars)) if self.config.merge('packages').get('source', True): packages.extend(self.process_packages( self.templates["control.sourcebin"], self.vars)) self._substitute_file('perf.lintian-overrides', self.vars, 'debian/linux-perf-%s.lintian-overrides' % self.vars['version']) def do_indep_featureset_setup(self, vars, makeflags, featureset, extra): makeflags['LOCALVERSION'] = vars['localversion'] kernel_arches = set() for arch in iter(self.config['base', ]['arches']): if self.config.get_merge('base', arch, featureset, None, 'flavours'): kernel_arches.add(self.config['base', arch]['kernel-arch']) makeflags['ALL_KERNEL_ARCHES'] = ' '.join(sorted(list(kernel_arches))) vars['featureset_desc'] = '' if featureset != 'none': desc = self.config[('description', None, featureset)] desc_parts = desc['parts'] vars['featureset_desc'] = (' with the %s featureset' % desc['part-short-%s' % desc_parts[0]]) def do_indep_featureset_packages(self, packages, makefile, featureset, vars, makeflags, extra): headers_featureset = self.templates["control.headers.featureset"] packages.extend(self.process_packages(headers_featureset, vars)) cmds_binary_arch = ["$(MAKE) -f debian/rules.real " "binary-indep-featureset %s" % makeflags] makefile.add('binary-indep_%s_real' % featureset, cmds=cmds_binary_arch) arch_makeflags = ( ('kernel-arch', 'KERNEL_ARCH', False), ) def do_arch_setup(self, vars, makeflags, arch, extra): config_base = self.config.merge('base', arch) self._setup_makeflags(self.arch_makeflags, makeflags, config_base) try: gnu_type_bytes = subprocess.check_output( ['dpkg-architecture', '-f', '-a', arch, '-q', 'DEB_HOST_GNU_TYPE'], stderr=subprocess.DEVNULL) except subprocess.CalledProcessError: # This sometimes happens for the newest ports :-/ print('W: Unable to get GNU type for %s' % arch, file=sys.stderr) else: vars['gnu-type-package'] = ( gnu_type_bytes.decode('utf-8').strip().replace('_', '-')) def do_arch_packages(self, packages, makefile, arch, vars, makeflags, extra): if self.version.linux_modifier is None: try: abiname_part = '-%s' % self.config['abi', arch]['abiname'] except KeyError: abiname_part = self.abiname_part makeflags['ABINAME'] = vars['abiname'] = \ self.abiname_version + abiname_part if not self.disable_signed: build_signed = self.config.merge('build', arch) \ .get('signed-code', False) else: build_signed = False # Some userland architectures require kernels from another # (Debian) architecture, e.g. x32/amd64. # And some derivatives don't need the headers-all packages # for other reasons. if self.config['base', arch].get('featuresets') and \ self.config.merge('packages').get('headers-all', True): headers_arch = self.templates["control.headers.arch"] packages_headers_arch = self.process_packages(headers_arch, vars) packages_headers_arch[-1]['Depends'].extend(PackageRelation()) extra['headers_arch_depends'] = ( packages_headers_arch[-1]['Depends']) else: packages_headers_arch = [] if self.config.merge('packages').get('libc-dev', True): libc_dev = self.templates["control.libc-dev"] packages_headers_arch[0:0] = self.process_packages(libc_dev, {}) merge_packages(packages, packages_headers_arch, arch) if self.config['base', arch].get('featuresets') and \ self.config.merge('packages').get('source', True): merge_packages(packages, self.process_packages( self.templates["control.config"], vars), arch) cmds_build_arch = ["$(MAKE) -f debian/rules.real build-arch-arch %s" % makeflags] makefile.add('build-arch_%s_real' % arch, cmds=cmds_build_arch) cmds_binary_arch = ["$(MAKE) -f debian/rules.real binary-arch-arch %s" % makeflags] makefile.add('binary-arch_%s_real' % arch, cmds=cmds_binary_arch, deps=['setup_%s' % arch]) udeb_packages = self.installer_packages.get(arch, []) if udeb_packages: merge_packages(packages, udeb_packages, arch) # These packages must be built after the per-flavour/ # per-featureset packages. Also, this won't work # correctly with an empty package list. makefile.add( 'binary-arch_%s' % arch, cmds=["$(MAKE) -f debian/rules.real install-udeb_%s %s " "PACKAGE_NAMES='%s' UDEB_UNSIGNED_TEST_BUILD=%s" % (arch, makeflags, ' '.join(p['Package'] for p in udeb_packages), build_signed)]) # This also needs to be built after the per-flavour/per-featureset # packages. if build_signed: merge_packages(packages, self.process_packages( self.templates['control.signed-template'], vars), arch) makefile.add( 'binary-arch_%s' % arch, cmds=["$(MAKE) -f debian/rules.real " "install-signed-template_%s %s" % (arch, makeflags)]) def do_featureset_setup(self, vars, makeflags, arch, featureset, extra): vars['localversion_headers'] = vars['localversion'] makeflags['LOCALVERSION_HEADERS'] = vars['localversion_headers'] flavour_makeflags_base = ( ('compiler', 'COMPILER', False), ('compiler-filename', 'COMPILER', True), ('kernel-arch', 'KERNEL_ARCH', False), ('cflags', 'CFLAGS_KERNEL', True), ('override-host-type', 'OVERRIDE_HOST_TYPE', True), ) flavour_makeflags_build = ( ('image-file', 'IMAGE_FILE', True), ) flavour_makeflags_image = ( ('install-stem', 'IMAGE_INSTALL_STEM', True), ) flavour_makeflags_other = ( ('localversion', 'LOCALVERSION', False), ('localversion-image', 'LOCALVERSION_IMAGE', True), ) def do_flavour_setup(self, vars, makeflags, arch, featureset, flavour, extra): config_base = self.config.merge('base', arch, featureset, flavour) config_build = self.config.merge('build', arch, featureset, flavour) config_description = self.config.merge('description', arch, featureset, flavour) config_image = self.config.merge('image', arch, featureset, flavour) vars['class'] = config_description['hardware'] vars['longclass'] = (config_description.get('hardware-long') or vars['class']) vars['localversion-image'] = vars['localversion'] override_localversion = config_image.get('override-localversion', None) if override_localversion is not None: vars['localversion-image'] = (vars['localversion_headers'] + '-' + override_localversion) vars['image-stem'] = config_image.get('install-stem') self._setup_makeflags(self.flavour_makeflags_base, makeflags, config_base) self._setup_makeflags(self.flavour_makeflags_build, makeflags, config_build) self._setup_makeflags(self.flavour_makeflags_image, makeflags, config_image) self._setup_makeflags(self.flavour_makeflags_other, makeflags, vars) def do_flavour_packages(self, packages, makefile, arch, featureset, flavour, vars, makeflags, extra): headers = self.templates["control.headers"] assert len(headers) == 1 config_entry_base = self.config.merge('base', arch, featureset, flavour) config_entry_build = self.config.merge('build', arch, featureset, flavour) config_entry_description = self.config.merge('description', arch, featureset, flavour) config_entry_relations = self.config.merge('relations', arch, featureset, flavour) def config_entry_image(key, *args, **kwargs): return self.config.get_merge( 'image', arch, featureset, flavour, key, *args, **kwargs) compiler = config_entry_base.get('compiler', 'gcc') # Work out dependency from linux-headers to compiler. Drop # dependencies for cross-builds. Strip any remaining # restrictions, as they don't apply to binary Depends. relations_compiler_headers = PackageRelation( self.substitute(config_entry_relations.get('headers%' + compiler) or config_entry_relations.get(compiler), vars)) relations_compiler_headers = PackageRelation( PackageRelationGroup(entry for entry in group if 'cross' not in entry.restrictions) for group in relations_compiler_headers) for group in relations_compiler_headers: for entry in group: entry.restrictions = [] relations_compiler_build_dep = PackageRelation( self.substitute(config_entry_relations[compiler], vars)) for group in relations_compiler_build_dep: for item in group: item.arches = [arch] packages['source']['Build-Depends-Arch'].extend( relations_compiler_build_dep) image_fields = {'Description': PackageDescription()} for field in ('Depends', 'Provides', 'Suggests', 'Recommends', 'Conflicts', 'Breaks'): image_fields[field] = PackageRelation( config_entry_image(field.lower(), None), override_arches=(arch,)) generators = config_entry_image('initramfs-generators') group = PackageRelationGroup() for i in generators: i = config_entry_relations.get(i, i) group.append(i) a = PackageRelationEntry(i) if a.operator is not None: a.operator = -a.operator image_fields['Breaks'].append(PackageRelationGroup([a])) for item in group: item.arches = [arch] image_fields['Depends'].append(group) bootloaders = config_entry_image('bootloaders', None) if bootloaders: group = PackageRelationGroup() for i in bootloaders: i = config_entry_relations.get(i, i) group.append(i) a = PackageRelationEntry(i) if a.operator is not None: a.operator = -a.operator image_fields['Breaks'].append(PackageRelationGroup([a])) for item in group: item.arches = [arch] image_fields['Suggests'].append(group) desc_parts = self.config.get_merge('description', arch, featureset, flavour, 'parts') if desc_parts: # XXX: Workaround, we need to support multiple entries of the same # name parts = list(set(desc_parts)) parts.sort() desc = image_fields['Description'] for part in parts: desc.append(config_entry_description['part-long-' + part]) desc.append_short(config_entry_description .get('part-short-' + part, '')) packages_own = [] if not self.disable_signed: build_signed = config_entry_build.get('signed-code') else: build_signed = False image = self.templates[build_signed and "control.image-unsigned" or "control.image"] assert len(image) == 1 vars.setdefault('desc', None) image_main = self.process_real_image(image[0], image_fields, vars) packages_own.append(image_main) makeflags['IMAGE_PACKAGE_NAME'] = image_main['Package'] package_headers = self.process_package(headers[0], vars) package_headers['Depends'].extend(relations_compiler_headers) packages_own.append(package_headers) if extra.get('headers_arch_depends'): extra['headers_arch_depends'].append('%s (= ${binary:Version})' % packages_own[-1]['Package']) if config_entry_build.get('vdso', False): makeflags['VDSO'] = True if not self.disable_debug: build_debug = config_entry_build.get('debug-info') else: build_debug = False if build_debug: makeflags['DEBUG'] = True packages_own.extend(self.process_packages( self.templates['control.image-dbg'], vars)) merge_packages(packages, packages_own, arch) tests_control = self.process_package( self.templates['tests-control.image'][0], vars) tests_control['Depends'].append( PackageRelationGroup(image_main['Package'], override_arches=(arch,))) if self.tests_control_image: self.tests_control_image['Depends'].extend( tests_control['Depends']) else: self.tests_control_image = tests_control self.tests_control.append(tests_control) def get_config(*entry_name): entry_real = ('image',) + entry_name entry = self.config.get(entry_real, None) if entry is None: return None return entry.get('configs', None) def check_config_default(fail, f): for d in self.config_dirs[::-1]: f1 = d + '/' + f if os.path.exists(f1): return [f1] if fail: raise RuntimeError("%s unavailable" % f) return [] def check_config_files(files): ret = [] for f in files: for d in self.config_dirs[::-1]: f1 = d + '/' + f if os.path.exists(f1): ret.append(f1) break else: raise RuntimeError("%s unavailable" % f) return ret def check_config(default, fail, *entry_name): configs = get_config(*entry_name) if configs is None: return check_config_default(fail, default) return check_config_files(configs) kconfig = check_config('config', True) kconfig.extend(check_config("kernelarch-%s/config" % config_entry_base['kernel-arch'], False)) kconfig.extend(check_config("%s/config" % arch, True, arch)) kconfig.extend(check_config("%s/config.%s" % (arch, flavour), False, arch, None, flavour)) kconfig.extend(check_config("featureset-%s/config" % featureset, False, None, featureset)) kconfig.extend(check_config("%s/%s/config" % (arch, featureset), False, arch, featureset)) kconfig.extend(check_config("%s/%s/config.%s" % (arch, featureset, flavour), False, arch, featureset, flavour)) makeflags['KCONFIG'] = ' '.join(kconfig) makeflags['KCONFIG_OPTIONS'] = '' if build_debug: makeflags['KCONFIG_OPTIONS'] += ' -o DEBUG_INFO=y' if build_signed: makeflags['KCONFIG_OPTIONS'] += ' -o LOCK_DOWN_IN_EFI_SECURE_BOOT=y -o MODULE_SIG=y' # Add "salt" to fix #872263 makeflags['KCONFIG_OPTIONS'] += (' -o "BUILD_SALT=\\"%s%s\\""' % (vars['abiname'], vars['localversion'])) cmds_binary_arch = ["$(MAKE) -f debian/rules.real binary-arch-flavour " "%s" % makeflags] cmds_build = ["$(MAKE) -f debian/rules.real build-arch-flavour %s" % makeflags] cmds_setup = ["$(MAKE) -f debian/rules.real setup-arch-flavour %s" % makeflags] makefile.add('binary-arch_%s_%s_%s_real' % (arch, featureset, flavour), cmds=cmds_binary_arch) makefile.add('build-arch_%s_%s_%s_real' % (arch, featureset, flavour), cmds=cmds_build) makefile.add('setup_%s_%s_%s_real' % (arch, featureset, flavour), cmds=cmds_setup) merged_config = ('debian/build/config.%s_%s_%s' % (arch, featureset, flavour)) makefile.add(merged_config, cmds=["$(MAKE) -f debian/rules.real %s %s" % (merged_config, makeflags)]) # Substitute kernel version etc. into maintainer scripts, # translations and lintian overrides self._substitute_file('headers.postinst', vars, 'debian/linux-headers-%s%s.postinst' % (vars['abiname'], vars['localversion'])) for name in ['postinst', 'postrm', 'preinst', 'prerm']: self._substitute_file('image.%s' % name, vars, 'debian/%s.%s' % (image_main['Package'], name)) if build_debug: debug_lintian_over = ( 'debian/linux-image-%s%s-dbg.lintian-overrides' % (vars['abiname'], vars['localversion'])) self._substitute_file('image-dbg.lintian-overrides', vars, debug_lintian_over) os.chmod(debug_lintian_over, 0o755) def process_changelog(self): version = self.version = self.changelog[0].version if self.version.linux_modifier is not None: self.abiname_part = '' else: self.abiname_part = '-%s' % self.config['abi', ]['abiname'] # We need to keep at least three version components to avoid # userland breakage (e.g. #742226, #745984). self.abiname_version = re.sub(r'^(\d+\.\d+)(?=-|$)', r'\1.0', self.version.linux_upstream) self.vars = { 'upstreamversion': self.version.linux_upstream, 'version': self.version.linux_version, 'source_basename': re.sub(r'-[\d.]+$', '', self.changelog[0].source), 'source_upstream': self.version.upstream, 'source_package': self.changelog[0].source, 'abiname': self.abiname_version + self.abiname_part, } self.config['version', ] = {'source': self.version.complete, 'upstream': self.version.linux_upstream, 'abiname_base': self.abiname_version, 'abiname': (self.abiname_version + self.abiname_part)} distribution = self.changelog[0].distribution def process_real_image(self, entry, fields, vars): entry = self.process_package(entry, vars) for key, value in fields.items(): if key in entry: real = entry[key] real.extend(value) elif value: entry[key] = value return entry def write(self, packages, makefile): self.write_config() super(Gencontrol, self).write(packages, makefile) self.write_tests_control() def write_config(self): f = open("debian/config.defines.dump", 'wb') self.config.dump(f) f.close() def write_tests_control(self): self.write_rfc822(open("debian/tests/control", 'w'), self.tests_control) if __name__ == '__main__': Gencontrol()()