poky/meta/classes/archiver.bbclass - mdmillerii/openbmc - Gitiles

 # ex:ts=4:sw=4:sts=4:et
 # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # This bbclass is used for creating archive for:
 # 1) original (or unpacked) source: ARCHIVER_MODE[src] = "original"
 # 2) patched source: ARCHIVER_MODE[src] = "patched" (default)
 # 3) configured source: ARCHIVER_MODE[src] = "configured"
 # 4) The patches between do_unpack and do_patch:
 #    ARCHIVER_MODE[diff] = "1"
 #    And you can set the one that you'd like to exclude from the diff:
 #    ARCHIVER_MODE[diff-exclude] ?= ".pc autom4te.cache patches"
 # 5) The environment data, similar to 'bitbake -e recipe':
 #    ARCHIVER_MODE[dumpdata] = "1"
 # 6) The recipe (.bb and .inc): ARCHIVER_MODE[recipe] = "1"
 # 7) Whether output the .src.rpm package:
 #    ARCHIVER_MODE[srpm] = "1"
 # 8) Filter the license, the recipe whose license in
 #    COPYLEFT_LICENSE_INCLUDE will be included, and in
 #    COPYLEFT_LICENSE_EXCLUDE will be excluded.
 #    COPYLEFT_LICENSE_INCLUDE = 'GPL* LGPL*'
 #    COPYLEFT_LICENSE_EXCLUDE = 'CLOSED Proprietary'
 # 9) The recipe type that will be archived:
 #    COPYLEFT_RECIPE_TYPES = 'target'
 #

 # Create archive for all the recipe types
 COPYLEFT_RECIPE_TYPES ?= 'target native nativesdk cross crosssdk cross-canadian'
 inherit copyleft_filter

 ARCHIVER_MODE[srpm] ?= "0"
 ARCHIVER_MODE[src] ?= "patched"
 ARCHIVER_MODE[diff] ?= "0"
 ARCHIVER_MODE[diff-exclude] ?= ".pc autom4te.cache patches"
 ARCHIVER_MODE[dumpdata] ?= "0"
 ARCHIVER_MODE[recipe] ?= "0"

 DEPLOY_DIR_SRC ?= "${DEPLOY_DIR}/sources"
 ARCHIVER_TOPDIR ?= "${WORKDIR}/deploy-sources"
 ARCHIVER_OUTDIR = "${ARCHIVER_TOPDIR}/${TARGET_SYS}/${PF}/"
 ARCHIVER_RPMTOPDIR ?= "${WORKDIR}/deploy-sources-rpm"
 ARCHIVER_RPMOUTDIR = "${ARCHIVER_RPMTOPDIR}/${TARGET_SYS}/${PF}/"
 ARCHIVER_WORKDIR = "${WORKDIR}/archiver-work/"


 do_dumpdata[dirs] = "${ARCHIVER_OUTDIR}"
 do_ar_recipe[dirs] = "${ARCHIVER_OUTDIR}"
 do_ar_original[dirs] = "${ARCHIVER_OUTDIR} ${ARCHIVER_WORKDIR}"
 do_deploy_archives[dirs] = "${WORKDIR}"

 # This is a convenience for the shell script to use it


 python () {
     pn = d.getVar('PN')
     assume_provided = (d.getVar("ASSUME_PROVIDED") or "").split()
     if pn in assume_provided:
         for p in d.getVar("PROVIDES").split():
             if p != pn:
                 pn = p
                 break

     included, reason = copyleft_should_include(d)
     if not included:
         bb.debug(1, 'archiver: %s is excluded: %s' % (pn, reason))
         return
     else:
         bb.debug(1, 'archiver: %s is included: %s' % (pn, reason))


     # glibc-locale: do_fetch, do_unpack and do_patch tasks have been deleted,
     # so avoid archiving source here.
     if pn.startswith('glibc-locale'):
         return

     # We just archive gcc-source for all the gcc related recipes
     if d.getVar('BPN') in ['gcc', 'libgcc'] \
             and not pn.startswith('gcc-source'):
         bb.debug(1, 'archiver: %s is excluded, covered by gcc-source' % pn)
         return

     def hasTask(task):
         return bool(d.getVarFlag(task, "task", False)) and not bool(d.getVarFlag(task, "noexec", False))

     ar_src = d.getVarFlag('ARCHIVER_MODE', 'src')
     ar_dumpdata = d.getVarFlag('ARCHIVER_MODE', 'dumpdata')
     ar_recipe = d.getVarFlag('ARCHIVER_MODE', 'recipe')

     if ar_src == "original":
         d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_ar_original' % pn)
         # 'patched' and 'configured' invoke do_unpack_and_patch because
         # do_ar_patched resp. do_ar_configured depend on it, but for 'original'
         # we have to add it explicitly.
         if d.getVarFlag('ARCHIVER_MODE', 'diff') == '1':
             d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_unpack_and_patch' % pn)
     elif ar_src == "patched":
         d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_ar_patched' % pn)
     elif ar_src == "configured":
         # We can't use "addtask do_ar_configured after do_configure" since it
         # will cause the deptask of do_populate_sysroot to run not matter what
         # archives we need, so we add the depends here.

         # There is a corner case with "gcc-source-${PV}" recipes, they don't have
         # the "do_configure" task, so we need to use "do_preconfigure"
         if hasTask("do_preconfigure"):
             d.appendVarFlag('do_ar_configured', 'depends', ' %s:do_preconfigure' % pn)
         elif hasTask("do_configure"):
             d.appendVarFlag('do_ar_configured', 'depends', ' %s:do_configure' % pn)
         d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_ar_configured' % pn)

     elif ar_src:
         bb.fatal("Invalid ARCHIVER_MODE[src]: %s" % ar_src)

     if ar_dumpdata == "1":
         d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_dumpdata' % pn)

     if ar_recipe == "1":
         d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_ar_recipe' % pn)

     # Output the SRPM package
     if d.getVarFlag('ARCHIVER_MODE', 'srpm') == "1" and d.getVar('PACKAGES'):
         if "package_rpm" not in d.getVar('PACKAGE_CLASSES'):
             bb.fatal("ARCHIVER_MODE[srpm] needs package_rpm in PACKAGE_CLASSES")

         # Some recipes do not have any packaging tasks
         if hasTask("do_package_write_rpm"):
             d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_package_write_rpm' % pn)
             d.appendVarFlag('do_package_write_rpm', 'dirs', ' ${ARCHIVER_RPMTOPDIR}')
             d.appendVarFlag('do_package_write_rpm', 'sstate-inputdirs', ' ${ARCHIVER_RPMTOPDIR}')
             d.appendVarFlag('do_package_write_rpm', 'sstate-outputdirs', ' ${DEPLOY_DIR_SRC}')
             if ar_dumpdata == "1":
                 d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_dumpdata' % pn)
             if ar_recipe == "1":
                 d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_ar_recipe' % pn)
             if ar_src == "original":
                 d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_ar_original' % pn)
             elif ar_src == "patched":
                 d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_ar_patched' % pn)
             elif ar_src == "configured":
                 d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_ar_configured' % pn)
 }

 # Take all the sources for a recipe and puts them in WORKDIR/archiver-work/.
 # Files in SRC_URI are copied directly, anything that's a directory
 # (e.g. git repositories) is "unpacked" and then put into a tarball.
 python do_ar_original() {

     import shutil, tempfile

     if d.getVarFlag('ARCHIVER_MODE', 'src') != "original":
         return

     ar_outdir = d.getVar('ARCHIVER_OUTDIR')
     bb.note('Archiving the original source...')
     urls = d.getVar("SRC_URI").split()
     # destsuffix (git fetcher) and subdir (everything else) are allowed to be
     # absolute paths (for example, destsuffix=${S}/foobar).
     # That messes with unpacking inside our tmpdir below, because the fetchers
     # will then unpack in that directory and completely ignore the tmpdir.
     # That breaks parallel tasks relying on ${S}, like do_compile.
     #
     # To solve this, we remove these parameters from all URLs.
     # We do this even for relative paths because it makes the content of the
     # archives more useful (no extra paths that are only used during
     # compilation).
     for i, url in enumerate(urls):
         decoded = bb.fetch2.decodeurl(url)
         for param in ('destsuffix', 'subdir'):
             if param in decoded[5]:
                 del decoded[5][param]
         encoded = bb.fetch2.encodeurl(decoded)
         urls[i] = encoded
     fetch = bb.fetch2.Fetch(urls, d)
     tarball_suffix = {}
     for url in fetch.urls:
         local = fetch.localpath(url).rstrip("/");
         if os.path.isfile(local):
             shutil.copy(local, ar_outdir)
         elif os.path.isdir(local):
             tmpdir = tempfile.mkdtemp(dir=d.getVar('ARCHIVER_WORKDIR'))
             fetch.unpack(tmpdir, (url,))
             # To handle recipes with more than one source, we add the "name"
             # URL parameter as suffix. We treat it as an error when
             # there's more than one URL without a name, or a name gets reused.
             # This is an additional safety net, in practice the name has
             # to be set when using the git fetcher, otherwise SRCREV cannot
             # be set separately for each URL.
             params = bb.fetch2.decodeurl(url)[5]
             type = bb.fetch2.decodeurl(url)[0]
             location = bb.fetch2.decodeurl(url)[2]
             name = params.get('name', '')
             if type.lower() == 'file':
                 name_tmp = location.rstrip("*").rstrip("/")
                 name = os.path.basename(name_tmp)
             else:
                 if name in tarball_suffix:
                     if not name:
                         bb.fatal("Cannot determine archive names for original source because 'name' URL parameter is unset in more than one URL. Add it to at least one of these: %s %s" % (tarball_suffix[name], url))
                     else:
                         bb.fatal("Cannot determine archive names for original source because 'name=' URL parameter '%s' is used twice. Make it unique in: %s %s" % (tarball_suffix[name], url))
             tarball_suffix[name] = url
             create_tarball(d, tmpdir + '/.', name, ar_outdir)

     # Emit patch series files for 'original'
     bb.note('Writing patch series files...')
     for patch in src_patches(d):
         _, _, local, _, _, parm = bb.fetch.decodeurl(patch)
         patchdir = parm.get('patchdir')
         if patchdir:
             series = os.path.join(ar_outdir, 'series.subdir.%s' % patchdir.replace('/', '_'))
         else:
             series = os.path.join(ar_outdir, 'series')

         with open(series, 'a') as s:
             s.write('%s -p%s\n' % (os.path.basename(local), parm['striplevel']))
 }

 python do_ar_patched() {

     if d.getVarFlag('ARCHIVER_MODE', 'src') != 'patched':
         return

     # Get the ARCHIVER_OUTDIR before we reset the WORKDIR
     ar_outdir = d.getVar('ARCHIVER_OUTDIR')
     ar_workdir = d.getVar('ARCHIVER_WORKDIR')
     bb.note('Archiving the patched source...')
     d.setVar('WORKDIR', ar_workdir)
     create_tarball(d, d.getVar('S'), 'patched', ar_outdir)
 }

 python do_ar_configured() {
     import shutil

     # Forcibly expand the sysroot paths as we're about to change WORKDIR
     d.setVar('STAGING_DIR_HOST', d.getVar('STAGING_DIR_HOST'))
     d.setVar('STAGING_DIR_TARGET', d.getVar('STAGING_DIR_TARGET'))
     d.setVar('RECIPE_SYSROOT', d.getVar('RECIPE_SYSROOT'))
     d.setVar('RECIPE_SYSROOT_NATIVE', d.getVar('RECIPE_SYSROOT_NATIVE'))

     ar_outdir = d.getVar('ARCHIVER_OUTDIR')
     if d.getVarFlag('ARCHIVER_MODE', 'src') == 'configured':
         bb.note('Archiving the configured source...')
         pn = d.getVar('PN')
         # "gcc-source-${PV}" recipes don't have "do_configure"
         # task, so we need to run "do_preconfigure" instead
         if pn.startswith("gcc-source-"):
             d.setVar('WORKDIR', d.getVar('ARCHIVER_WORKDIR'))
             bb.build.exec_func('do_preconfigure', d)

         # The libtool-native's do_configure will remove the
         # ${STAGING_DATADIR}/aclocal/libtool.m4, so we can't re-run the
         # do_configure, we archive the already configured ${S} to
         # instead of.
         elif pn != 'libtool-native':
             def runTask(task):
                 prefuncs = d.getVarFlag(task, 'prefuncs') or ''
                 for func in prefuncs.split():
                     if func != "sysroot_cleansstate":
                         bb.build.exec_func(func, d)
                 bb.build.exec_func(task, d)
                 postfuncs = d.getVarFlag(task, 'postfuncs') or ''
                 for func in postfuncs.split():
                     if func != 'do_qa_configure':
                         bb.build.exec_func(func, d)

             # Change the WORKDIR to make do_configure run in another dir.
             d.setVar('WORKDIR', d.getVar('ARCHIVER_WORKDIR'))

             preceeds = bb.build.preceedtask('do_configure', False, d)
             for task in preceeds:
                 if task != 'do_patch' and task != 'do_prepare_recipe_sysroot':
                     runTask(task)
             runTask('do_configure')

         srcdir = d.getVar('S')
         builddir = d.getVar('B')
         if srcdir != builddir:
             if os.path.exists(builddir):
                 oe.path.copytree(builddir, os.path.join(srcdir, \
                     'build.%s.ar_configured' % d.getVar('PF')))
         create_tarball(d, srcdir, 'configured', ar_outdir)
 }

 def exclude_useless_paths(tarinfo):
     if tarinfo.isdir():
         if tarinfo.name.endswith('/temp') or tarinfo.name.endswith('/patches') or tarinfo.name.endswith('/.pc'):
             return None
         elif tarinfo.name == 'temp' or tarinfo.name == 'patches' or tarinfo.name == '.pc':
             return None
     return tarinfo

 def create_tarball(d, srcdir, suffix, ar_outdir):
     """
     create the tarball from srcdir
     """
     import tarfile

     # Make sure we are only creating a single tarball for gcc sources
     if (d.getVar('SRC_URI') == ""):
         return

     # For the kernel archive, srcdir may just be a link to the
     # work-shared location. Use os.path.realpath to make sure
     # that we archive the actual directory and not just the link.
     srcdir = os.path.realpath(srcdir)

     bb.utils.mkdirhier(ar_outdir)
     if suffix:
         filename = '%s-%s.tar.gz' % (d.getVar('PF'), suffix)
     else:
         filename = '%s.tar.gz' % d.getVar('PF')
     tarname = os.path.join(ar_outdir, filename)

     bb.note('Creating %s' % tarname)
     tar = tarfile.open(tarname, 'w:gz')
     tar.add(srcdir, arcname=os.path.basename(srcdir), filter=exclude_useless_paths)
     tar.close()

 # creating .diff.gz between source.orig and source
 def create_diff_gz(d, src_orig, src, ar_outdir):

     import subprocess

     if not os.path.isdir(src) or not os.path.isdir(src_orig):
         return

     # The diff --exclude can't exclude the file with path, so we copy
     # the patched source, and remove the files that we'd like to
     # exclude.
     src_patched = src + '.patched'
     oe.path.copyhardlinktree(src, src_patched)
     for i in d.getVarFlag('ARCHIVER_MODE', 'diff-exclude').split():
         bb.utils.remove(os.path.join(src_orig, i), recurse=True)
         bb.utils.remove(os.path.join(src_patched, i), recurse=True)

     dirname = os.path.dirname(src)
     basename = os.path.basename(src)
     bb.utils.mkdirhier(ar_outdir)
     cwd = os.getcwd()
     try:
         os.chdir(dirname)
         out_file = os.path.join(ar_outdir, '%s-diff.gz' % d.getVar('PF'))
         diff_cmd = 'diff -Naur %s.orig %s.patched | gzip -c > %s' % (basename, basename, out_file)
         subprocess.check_call(diff_cmd, shell=True)
         bb.utils.remove(src_patched, recurse=True)
     finally:
         os.chdir(cwd)

 def is_work_shared(d):
     pn = d.getVar('PN')
     return bb.data.inherits_class('kernel', d) or pn.startswith('gcc-source')

 # Run do_unpack and do_patch
 python do_unpack_and_patch() {
     if d.getVarFlag('ARCHIVER_MODE', 'src') not in \
             [ 'patched', 'configured'] and \
             d.getVarFlag('ARCHIVER_MODE', 'diff') != '1':
         return
     ar_outdir = d.getVar('ARCHIVER_OUTDIR')
     ar_workdir = d.getVar('ARCHIVER_WORKDIR')
     ar_sysroot_native = d.getVar('STAGING_DIR_NATIVE')
     pn = d.getVar('PN')

     # The kernel class functions require it to be on work-shared, so we dont change WORKDIR
     if not is_work_shared(d):
         # Change the WORKDIR to make do_unpack do_patch run in another dir.
         d.setVar('WORKDIR', ar_workdir)
         # Restore the original path to recipe's native sysroot (it's relative to WORKDIR).
         d.setVar('STAGING_DIR_NATIVE', ar_sysroot_native)

         # The changed 'WORKDIR' also caused 'B' changed, create dir 'B' for the
         # possibly requiring of the following tasks (such as some recipes's
         # do_patch required 'B' existed).
         bb.utils.mkdirhier(d.getVar('B'))

         bb.build.exec_func('do_unpack', d)

     # Save the original source for creating the patches
     if d.getVarFlag('ARCHIVER_MODE', 'diff') == '1':
         src = d.getVar('S').rstrip('/')
         src_orig = '%s.orig' % src
         oe.path.copytree(src, src_orig)

     # Make sure gcc and kernel sources are patched only once
     if not (d.getVar('SRC_URI') == "" or is_work_shared(d)):
         bb.build.exec_func('do_patch', d)

     # Create the patches
     if d.getVarFlag('ARCHIVER_MODE', 'diff') == '1':
         bb.note('Creating diff gz...')
         create_diff_gz(d, src_orig, src, ar_outdir)
         bb.utils.remove(src_orig, recurse=True)
 }

 # BBINCLUDED is special (excluded from basehash signature
 # calculation). Using it in a task signature can cause "basehash
 # changed" errors.
 #
 # Depending on BBINCLUDED also causes do_ar_recipe to run again
 # for unrelated changes, like adding or removing buildhistory.bbclass.
 #
 # For these reasons we ignore the dependency completely. The versioning
 # of the output file ensures that we create it each time the recipe
 # gets rebuilt, at least as long as a PR server is used. We also rely
 # on that mechanism to catch changes in the file content, because the
 # file content is not part of of the task signature either.
 do_ar_recipe[vardepsexclude] += "BBINCLUDED"
 python do_ar_recipe () {
     """
     archive the recipe, including .bb and .inc.
     """
     import re
     import shutil

     require_re = re.compile( r"require\s+(.+)" )
     include_re = re.compile( r"include\s+(.+)" )
     bbfile = d.getVar('FILE')
     outdir = os.path.join(d.getVar('WORKDIR'), \
             '%s-recipe' % d.getVar('PF'))
     bb.utils.mkdirhier(outdir)
     shutil.copy(bbfile, outdir)

     pn = d.getVar('PN')
     bbappend_files = d.getVar('BBINCLUDED').split()
     # If recipe name is aa, we need to match files like aa.bbappend and aa_1.1.bbappend
     # Files like aa1.bbappend or aa1_1.1.bbappend must be excluded.
     bbappend_re = re.compile( r".*/%s_[^/]*\.bbappend$" % re.escape(pn))
     bbappend_re1 = re.compile( r".*/%s\.bbappend$" % re.escape(pn))
     for file in bbappend_files:
         if bbappend_re.match(file) or bbappend_re1.match(file):
             shutil.copy(file, outdir)

     dirname = os.path.dirname(bbfile)
     bbpath = '%s:%s' % (dirname, d.getVar('BBPATH'))
     f = open(bbfile, 'r')
     for line in f.readlines():
         incfile = None
         if require_re.match(line):
             incfile = require_re.match(line).group(1)
         elif include_re.match(line):
             incfile = include_re.match(line).group(1)
         if incfile:
             incfile = d.expand(incfile)
             incfile = bb.utils.which(bbpath, incfile)
             if incfile:
                 shutil.copy(incfile, outdir)

     create_tarball(d, outdir, 'recipe', d.getVar('ARCHIVER_OUTDIR'))
     bb.utils.remove(outdir, recurse=True)
 }

 python do_dumpdata () {
     """
     dump environment data to ${PF}-showdata.dump
     """

     dumpfile = os.path.join(d.getVar('ARCHIVER_OUTDIR'), \
         '%s-showdata.dump' % d.getVar('PF'))
     bb.note('Dumping metadata into %s' % dumpfile)
     with open(dumpfile, "w") as f:
         # emit variables and shell functions
         bb.data.emit_env(f, d, True)
         # emit the metadata which isn't valid shell
         for e in d.keys():
             if d.getVarFlag(e, "python", False):
                 f.write("\npython %s () {\n%s}\n" % (e, d.getVar(e, False)))
 }

 SSTATETASKS += "do_deploy_archives"
 do_deploy_archives () {
     echo "Deploying source archive files from ${ARCHIVER_TOPDIR} to ${DEPLOY_DIR_SRC}."
 }
 python do_deploy_archives_setscene () {
     sstate_setscene(d)
 }
 do_deploy_archives[dirs] = "${ARCHIVER_TOPDIR}"
 do_deploy_archives[sstate-inputdirs] = "${ARCHIVER_TOPDIR}"
 do_deploy_archives[sstate-outputdirs] = "${DEPLOY_DIR_SRC}"
 addtask do_deploy_archives_setscene

 addtask do_ar_original after do_unpack
 addtask do_unpack_and_patch after do_patch
 addtask do_ar_patched after do_unpack_and_patch
 addtask do_ar_configured after do_unpack_and_patch
 addtask do_dumpdata
 addtask do_ar_recipe
 addtask do_deploy_archives before do_build

 python () {
     # Add tasks in the correct order, specifically for linux-yocto to avoid race condition.
     # sstatesig.py:sstate_rundepfilter has special support that excludes this dependency
     # so that do_kernel_configme does not need to run again when do_unpack_and_patch
     # gets added or removed (by adding or removing archiver.bbclass).
     if bb.data.inherits_class('kernel-yocto', d):
         bb.build.addtask('do_kernel_configme', 'do_configure', 'do_unpack_and_patch', d)
 }
	# ex:ts=4:sw=4:sts=4:et
	# -- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil --
	#
	# This bbclass is used for creating archive for:
	# 1) original (or unpacked) source: ARCHIVER_MODE[src] = "original"
	# 2) patched source: ARCHIVER_MODE[src] = "patched" (default)
	# 3) configured source: ARCHIVER_MODE[src] = "configured"
	# 4) The patches between do_unpack and do_patch:
	# ARCHIVER_MODE[diff] = "1"
	# And you can set the one that you'd like to exclude from the diff:
	# ARCHIVER_MODE[diff-exclude] ?= ".pc autom4te.cache patches"
	# 5) The environment data, similar to 'bitbake -e recipe':
	# ARCHIVER_MODE[dumpdata] = "1"
	# 6) The recipe (.bb and .inc): ARCHIVER_MODE[recipe] = "1"
	# 7) Whether output the .src.rpm package:
	# ARCHIVER_MODE[srpm] = "1"
	# 8) Filter the license, the recipe whose license in
	# COPYLEFT_LICENSE_INCLUDE will be included, and in
	# COPYLEFT_LICENSE_EXCLUDE will be excluded.
	# COPYLEFT_LICENSE_INCLUDE = 'GPL* LGPL*'
	# COPYLEFT_LICENSE_EXCLUDE = 'CLOSED Proprietary'
	# 9) The recipe type that will be archived:
	# COPYLEFT_RECIPE_TYPES = 'target'
	#

	# Create archive for all the recipe types
	COPYLEFT_RECIPE_TYPES ?= 'target native nativesdk cross crosssdk cross-canadian'
	inherit copyleft_filter

	ARCHIVER_MODE[srpm] ?= "0"
	ARCHIVER_MODE[src] ?= "patched"
	ARCHIVER_MODE[diff] ?= "0"
	ARCHIVER_MODE[diff-exclude] ?= ".pc autom4te.cache patches"
	ARCHIVER_MODE[dumpdata] ?= "0"
	ARCHIVER_MODE[recipe] ?= "0"

	DEPLOY_DIR_SRC ?= "${DEPLOY_DIR}/sources"
	ARCHIVER_TOPDIR ?= "${WORKDIR}/deploy-sources"
	ARCHIVER_OUTDIR = "${ARCHIVER_TOPDIR}/${TARGET_SYS}/${PF}/"
	ARCHIVER_RPMTOPDIR ?= "${WORKDIR}/deploy-sources-rpm"
	ARCHIVER_RPMOUTDIR = "${ARCHIVER_RPMTOPDIR}/${TARGET_SYS}/${PF}/"
	ARCHIVER_WORKDIR = "${WORKDIR}/archiver-work/"


	do_dumpdata[dirs] = "${ARCHIVER_OUTDIR}"
	do_ar_recipe[dirs] = "${ARCHIVER_OUTDIR}"
	do_ar_original[dirs] = "${ARCHIVER_OUTDIR} ${ARCHIVER_WORKDIR}"
	do_deploy_archives[dirs] = "${WORKDIR}"

	# This is a convenience for the shell script to use it


	python () {
	pn = d.getVar('PN')
	assume_provided = (d.getVar("ASSUME_PROVIDED") or "").split()
	if pn in assume_provided:
	for p in d.getVar("PROVIDES").split():
	if p != pn:
	pn = p
	break

	included, reason = copyleft_should_include(d)
	if not included:
	bb.debug(1, 'archiver: %s is excluded: %s' % (pn, reason))
	return
	else:
	bb.debug(1, 'archiver: %s is included: %s' % (pn, reason))


	# glibc-locale: do_fetch, do_unpack and do_patch tasks have been deleted,
	# so avoid archiving source here.
	if pn.startswith('glibc-locale'):
	return

	# We just archive gcc-source for all the gcc related recipes
	if d.getVar('BPN') in ['gcc', 'libgcc'] \
	and not pn.startswith('gcc-source'):
	bb.debug(1, 'archiver: %s is excluded, covered by gcc-source' % pn)
	return

	def hasTask(task):
	return bool(d.getVarFlag(task, "task", False)) and not bool(d.getVarFlag(task, "noexec", False))

	ar_src = d.getVarFlag('ARCHIVER_MODE', 'src')
	ar_dumpdata = d.getVarFlag('ARCHIVER_MODE', 'dumpdata')
	ar_recipe = d.getVarFlag('ARCHIVER_MODE', 'recipe')

	if ar_src == "original":
	d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_ar_original' % pn)
	# 'patched' and 'configured' invoke do_unpack_and_patch because
	# do_ar_patched resp. do_ar_configured depend on it, but for 'original'
	# we have to add it explicitly.
	if d.getVarFlag('ARCHIVER_MODE', 'diff') == '1':
	d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_unpack_and_patch' % pn)
	elif ar_src == "patched":
	d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_ar_patched' % pn)
	elif ar_src == "configured":
	# We can't use "addtask do_ar_configured after do_configure" since it
	# will cause the deptask of do_populate_sysroot to run not matter what
	# archives we need, so we add the depends here.

	# There is a corner case with "gcc-source-${PV}" recipes, they don't have
	# the "do_configure" task, so we need to use "do_preconfigure"
	if hasTask("do_preconfigure"):
	d.appendVarFlag('do_ar_configured', 'depends', ' %s:do_preconfigure' % pn)
	elif hasTask("do_configure"):
	d.appendVarFlag('do_ar_configured', 'depends', ' %s:do_configure' % pn)
	d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_ar_configured' % pn)

	elif ar_src:
	bb.fatal("Invalid ARCHIVER_MODE[src]: %s" % ar_src)

	if ar_dumpdata == "1":
	d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_dumpdata' % pn)

	if ar_recipe == "1":
	d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_ar_recipe' % pn)

	# Output the SRPM package
	if d.getVarFlag('ARCHIVER_MODE', 'srpm') == "1" and d.getVar('PACKAGES'):
	if "package_rpm" not in d.getVar('PACKAGE_CLASSES'):
	bb.fatal("ARCHIVER_MODE[srpm] needs package_rpm in PACKAGE_CLASSES")

	# Some recipes do not have any packaging tasks
	if hasTask("do_package_write_rpm"):
	d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_package_write_rpm' % pn)
	d.appendVarFlag('do_package_write_rpm', 'dirs', ' ${ARCHIVER_RPMTOPDIR}')
	d.appendVarFlag('do_package_write_rpm', 'sstate-inputdirs', ' ${ARCHIVER_RPMTOPDIR}')
	d.appendVarFlag('do_package_write_rpm', 'sstate-outputdirs', ' ${DEPLOY_DIR_SRC}')
	if ar_dumpdata == "1":
	d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_dumpdata' % pn)
	if ar_recipe == "1":
	d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_ar_recipe' % pn)
	if ar_src == "original":
	d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_ar_original' % pn)
	elif ar_src == "patched":
	d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_ar_patched' % pn)
	elif ar_src == "configured":
	d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_ar_configured' % pn)
	}

	# Take all the sources for a recipe and puts them in WORKDIR/archiver-work/.
	# Files in SRC_URI are copied directly, anything that's a directory
	# (e.g. git repositories) is "unpacked" and then put into a tarball.
	python do_ar_original() {

	import shutil, tempfile

	if d.getVarFlag('ARCHIVER_MODE', 'src') != "original":
	return

	ar_outdir = d.getVar('ARCHIVER_OUTDIR')
	bb.note('Archiving the original source...')
	urls = d.getVar("SRC_URI").split()
	# destsuffix (git fetcher) and subdir (everything else) are allowed to be
	# absolute paths (for example, destsuffix=${S}/foobar).
	# That messes with unpacking inside our tmpdir below, because the fetchers
	# will then unpack in that directory and completely ignore the tmpdir.
	# That breaks parallel tasks relying on ${S}, like do_compile.
	#
	# To solve this, we remove these parameters from all URLs.
	# We do this even for relative paths because it makes the content of the
	# archives more useful (no extra paths that are only used during
	# compilation).
	for i, url in enumerate(urls):
	decoded = bb.fetch2.decodeurl(url)
	for param in ('destsuffix', 'subdir'):
	if param in decoded[5]:
	del decoded[5][param]
	encoded = bb.fetch2.encodeurl(decoded)
	urls[i] = encoded
	fetch = bb.fetch2.Fetch(urls, d)
	tarball_suffix = {}
	for url in fetch.urls:
	local = fetch.localpath(url).rstrip("/");
	if os.path.isfile(local):
	shutil.copy(local, ar_outdir)
	elif os.path.isdir(local):
	tmpdir = tempfile.mkdtemp(dir=d.getVar('ARCHIVER_WORKDIR'))
	fetch.unpack(tmpdir, (url,))
	# To handle recipes with more than one source, we add the "name"
	# URL parameter as suffix. We treat it as an error when
	# there's more than one URL without a name, or a name gets reused.
	# This is an additional safety net, in practice the name has
	# to be set when using the git fetcher, otherwise SRCREV cannot
	# be set separately for each URL.
	params = bb.fetch2.decodeurl(url)[5]
	type = bb.fetch2.decodeurl(url)[0]
	location = bb.fetch2.decodeurl(url)[2]
	name = params.get('name', '')
	if type.lower() == 'file':
	name_tmp = location.rstrip("*").rstrip("/")
	name = os.path.basename(name_tmp)
	else:
	if name in tarball_suffix:
	if not name:
	bb.fatal("Cannot determine archive names for original source because 'name' URL parameter is unset in more than one URL. Add it to at least one of these: %s %s" % (tarball_suffix[name], url))
	else:
	bb.fatal("Cannot determine archive names for original source because 'name=' URL parameter '%s' is used twice. Make it unique in: %s %s" % (tarball_suffix[name], url))
	tarball_suffix[name] = url
	create_tarball(d, tmpdir + '/.', name, ar_outdir)

	# Emit patch series files for 'original'
	bb.note('Writing patch series files...')
	for patch in src_patches(d):
	_, _, local, _, _, parm = bb.fetch.decodeurl(patch)
	patchdir = parm.get('patchdir')
	if patchdir:
	series = os.path.join(ar_outdir, 'series.subdir.%s' % patchdir.replace('/', '_'))
	else:
	series = os.path.join(ar_outdir, 'series')

	with open(series, 'a') as s:
	s.write('%s -p%s\n' % (os.path.basename(local), parm['striplevel']))
	}

	python do_ar_patched() {

	if d.getVarFlag('ARCHIVER_MODE', 'src') != 'patched':
	return

	# Get the ARCHIVER_OUTDIR before we reset the WORKDIR
	ar_outdir = d.getVar('ARCHIVER_OUTDIR')
	ar_workdir = d.getVar('ARCHIVER_WORKDIR')
	bb.note('Archiving the patched source...')
	d.setVar('WORKDIR', ar_workdir)
	create_tarball(d, d.getVar('S'), 'patched', ar_outdir)
	}

	python do_ar_configured() {
	import shutil

	# Forcibly expand the sysroot paths as we're about to change WORKDIR
	d.setVar('STAGING_DIR_HOST', d.getVar('STAGING_DIR_HOST'))
	d.setVar('STAGING_DIR_TARGET', d.getVar('STAGING_DIR_TARGET'))
	d.setVar('RECIPE_SYSROOT', d.getVar('RECIPE_SYSROOT'))
	d.setVar('RECIPE_SYSROOT_NATIVE', d.getVar('RECIPE_SYSROOT_NATIVE'))

	ar_outdir = d.getVar('ARCHIVER_OUTDIR')
	if d.getVarFlag('ARCHIVER_MODE', 'src') == 'configured':
	bb.note('Archiving the configured source...')
	pn = d.getVar('PN')
	# "gcc-source-${PV}" recipes don't have "do_configure"
	# task, so we need to run "do_preconfigure" instead
	if pn.startswith("gcc-source-"):
	d.setVar('WORKDIR', d.getVar('ARCHIVER_WORKDIR'))
	bb.build.exec_func('do_preconfigure', d)

	# The libtool-native's do_configure will remove the
	# ${STAGING_DATADIR}/aclocal/libtool.m4, so we can't re-run the
	# do_configure, we archive the already configured ${S} to
	# instead of.
	elif pn != 'libtool-native':
	def runTask(task):
	prefuncs = d.getVarFlag(task, 'prefuncs') or ''
	for func in prefuncs.split():
	if func != "sysroot_cleansstate":
	bb.build.exec_func(func, d)
	bb.build.exec_func(task, d)
	postfuncs = d.getVarFlag(task, 'postfuncs') or ''
	for func in postfuncs.split():
	if func != 'do_qa_configure':
	bb.build.exec_func(func, d)

	# Change the WORKDIR to make do_configure run in another dir.
	d.setVar('WORKDIR', d.getVar('ARCHIVER_WORKDIR'))

	preceeds = bb.build.preceedtask('do_configure', False, d)
	for task in preceeds:
	if task != 'do_patch' and task != 'do_prepare_recipe_sysroot':
	runTask(task)
	runTask('do_configure')

	srcdir = d.getVar('S')
	builddir = d.getVar('B')
	if srcdir != builddir:
	if os.path.exists(builddir):
	oe.path.copytree(builddir, os.path.join(srcdir, \
	'build.%s.ar_configured' % d.getVar('PF')))
	create_tarball(d, srcdir, 'configured', ar_outdir)
	}

	def exclude_useless_paths(tarinfo):
	if tarinfo.isdir():
	if tarinfo.name.endswith('/temp') or tarinfo.name.endswith('/patches') or tarinfo.name.endswith('/.pc'):
	return None
	elif tarinfo.name == 'temp' or tarinfo.name == 'patches' or tarinfo.name == '.pc':
	return None
	return tarinfo

	def create_tarball(d, srcdir, suffix, ar_outdir):
	"""
	create the tarball from srcdir
	"""
	import tarfile

	# Make sure we are only creating a single tarball for gcc sources
	if (d.getVar('SRC_URI') == ""):
	return

	# For the kernel archive, srcdir may just be a link to the
	# work-shared location. Use os.path.realpath to make sure
	# that we archive the actual directory and not just the link.
	srcdir = os.path.realpath(srcdir)

	bb.utils.mkdirhier(ar_outdir)
	if suffix:
	filename = '%s-%s.tar.gz' % (d.getVar('PF'), suffix)
	else:
	filename = '%s.tar.gz' % d.getVar('PF')
	tarname = os.path.join(ar_outdir, filename)

	bb.note('Creating %s' % tarname)
	tar = tarfile.open(tarname, 'w:gz')
	tar.add(srcdir, arcname=os.path.basename(srcdir), filter=exclude_useless_paths)
	tar.close()

	# creating .diff.gz between source.orig and source
	def create_diff_gz(d, src_orig, src, ar_outdir):

	import subprocess

	if not os.path.isdir(src) or not os.path.isdir(src_orig):
	return

	# The diff --exclude can't exclude the file with path, so we copy
	# the patched source, and remove the files that we'd like to
	# exclude.
	src_patched = src + '.patched'
	oe.path.copyhardlinktree(src, src_patched)
	for i in d.getVarFlag('ARCHIVER_MODE', 'diff-exclude').split():
	bb.utils.remove(os.path.join(src_orig, i), recurse=True)
	bb.utils.remove(os.path.join(src_patched, i), recurse=True)

	dirname = os.path.dirname(src)
	basename = os.path.basename(src)
	bb.utils.mkdirhier(ar_outdir)
	cwd = os.getcwd()
	try:
	os.chdir(dirname)
	out_file = os.path.join(ar_outdir, '%s-diff.gz' % d.getVar('PF'))
	diff_cmd = 'diff -Naur %s.orig %s.patched \| gzip -c > %s' % (basename, basename, out_file)
	subprocess.check_call(diff_cmd, shell=True)
	bb.utils.remove(src_patched, recurse=True)
	finally:
	os.chdir(cwd)

	def is_work_shared(d):
	pn = d.getVar('PN')
	return bb.data.inherits_class('kernel', d) or pn.startswith('gcc-source')

	# Run do_unpack and do_patch
	python do_unpack_and_patch() {
	if d.getVarFlag('ARCHIVER_MODE', 'src') not in \
	[ 'patched', 'configured'] and \
	d.getVarFlag('ARCHIVER_MODE', 'diff') != '1':
	return
	ar_outdir = d.getVar('ARCHIVER_OUTDIR')
	ar_workdir = d.getVar('ARCHIVER_WORKDIR')
	ar_sysroot_native = d.getVar('STAGING_DIR_NATIVE')
	pn = d.getVar('PN')

	# The kernel class functions require it to be on work-shared, so we dont change WORKDIR
	if not is_work_shared(d):
	# Change the WORKDIR to make do_unpack do_patch run in another dir.
	d.setVar('WORKDIR', ar_workdir)
	# Restore the original path to recipe's native sysroot (it's relative to WORKDIR).
	d.setVar('STAGING_DIR_NATIVE', ar_sysroot_native)

	# The changed 'WORKDIR' also caused 'B' changed, create dir 'B' for the
	# possibly requiring of the following tasks (such as some recipes's
	# do_patch required 'B' existed).
	bb.utils.mkdirhier(d.getVar('B'))

	bb.build.exec_func('do_unpack', d)

	# Save the original source for creating the patches
	if d.getVarFlag('ARCHIVER_MODE', 'diff') == '1':
	src = d.getVar('S').rstrip('/')
	src_orig = '%s.orig' % src
	oe.path.copytree(src, src_orig)

	# Make sure gcc and kernel sources are patched only once
	if not (d.getVar('SRC_URI') == "" or is_work_shared(d)):
	bb.build.exec_func('do_patch', d)

	# Create the patches
	if d.getVarFlag('ARCHIVER_MODE', 'diff') == '1':
	bb.note('Creating diff gz...')
	create_diff_gz(d, src_orig, src, ar_outdir)
	bb.utils.remove(src_orig, recurse=True)
	}

	# BBINCLUDED is special (excluded from basehash signature
	# calculation). Using it in a task signature can cause "basehash
	# changed" errors.
	#
	# Depending on BBINCLUDED also causes do_ar_recipe to run again
	# for unrelated changes, like adding or removing buildhistory.bbclass.
	#
	# For these reasons we ignore the dependency completely. The versioning
	# of the output file ensures that we create it each time the recipe
	# gets rebuilt, at least as long as a PR server is used. We also rely
	# on that mechanism to catch changes in the file content, because the
	# file content is not part of of the task signature either.
	do_ar_recipe[vardepsexclude] += "BBINCLUDED"
	python do_ar_recipe () {
	"""
	archive the recipe, including .bb and .inc.
	"""
	import re
	import shutil

	require_re = re.compile( r"require\s+(.+)" )
	include_re = re.compile( r"include\s+(.+)" )
	bbfile = d.getVar('FILE')
	outdir = os.path.join(d.getVar('WORKDIR'), \
	'%s-recipe' % d.getVar('PF'))
	bb.utils.mkdirhier(outdir)
	shutil.copy(bbfile, outdir)

	pn = d.getVar('PN')
	bbappend_files = d.getVar('BBINCLUDED').split()
	# If recipe name is aa, we need to match files like aa.bbappend and aa_1.1.bbappend
	# Files like aa1.bbappend or aa1_1.1.bbappend must be excluded.
	bbappend_re = re.compile( r"./%s_[^/]\.bbappend$" % re.escape(pn))
	bbappend_re1 = re.compile( r".*/%s\.bbappend$" % re.escape(pn))
	for file in bbappend_files:
	if bbappend_re.match(file) or bbappend_re1.match(file):
	shutil.copy(file, outdir)

	dirname = os.path.dirname(bbfile)
	bbpath = '%s:%s' % (dirname, d.getVar('BBPATH'))
	f = open(bbfile, 'r')
	for line in f.readlines():
	incfile = None
	if require_re.match(line):
	incfile = require_re.match(line).group(1)
	elif include_re.match(line):
	incfile = include_re.match(line).group(1)
	if incfile:
	incfile = d.expand(incfile)
	incfile = bb.utils.which(bbpath, incfile)
	if incfile:
	shutil.copy(incfile, outdir)

	create_tarball(d, outdir, 'recipe', d.getVar('ARCHIVER_OUTDIR'))
	bb.utils.remove(outdir, recurse=True)
	}

	python do_dumpdata () {
	"""
	dump environment data to ${PF}-showdata.dump
	"""

	dumpfile = os.path.join(d.getVar('ARCHIVER_OUTDIR'), \
	'%s-showdata.dump' % d.getVar('PF'))
	bb.note('Dumping metadata into %s' % dumpfile)
	with open(dumpfile, "w") as f:
	# emit variables and shell functions
	bb.data.emit_env(f, d, True)
	# emit the metadata which isn't valid shell
	for e in d.keys():
	if d.getVarFlag(e, "python", False):
	f.write("\npython %s () {\n%s}\n" % (e, d.getVar(e, False)))
	}

	SSTATETASKS += "do_deploy_archives"
	do_deploy_archives () {
	echo "Deploying source archive files from ${ARCHIVER_TOPDIR} to ${DEPLOY_DIR_SRC}."
	}
	python do_deploy_archives_setscene () {
	sstate_setscene(d)
	}
	do_deploy_archives[dirs] = "${ARCHIVER_TOPDIR}"
	do_deploy_archives[sstate-inputdirs] = "${ARCHIVER_TOPDIR}"
	do_deploy_archives[sstate-outputdirs] = "${DEPLOY_DIR_SRC}"
	addtask do_deploy_archives_setscene

	addtask do_ar_original after do_unpack
	addtask do_unpack_and_patch after do_patch
	addtask do_ar_patched after do_unpack_and_patch
	addtask do_ar_configured after do_unpack_and_patch
	addtask do_dumpdata
	addtask do_ar_recipe
	addtask do_deploy_archives before do_build

	python () {
	# Add tasks in the correct order, specifically for linux-yocto to avoid race condition.
	# sstatesig.py:sstate_rundepfilter has special support that excludes this dependency
	# so that do_kernel_configme does not need to run again when do_unpack_and_patch
	# gets added or removed (by adding or removing archiver.bbclass).
	if bb.data.inherits_class('kernel-yocto', d):
	bb.build.addtask('do_kernel_configme', 'do_configure', 'do_unpack_and_patch', d)
	}