diff --git a/meta/lib/oe/package_manager.py b/meta/lib/oe/package_manager.py
new file mode 100644
index 0000000..292ed44
--- /dev/null
+++ b/meta/lib/oe/package_manager.py
@@ -0,0 +1,1900 @@
+from abc import ABCMeta, abstractmethod
+import os
+import glob
+import subprocess
+import shutil
+import multiprocessing
+import re
+import bb
+import tempfile
+import oe.utils
+
+
+# this can be used by all PM backends to create the index files in parallel
+def create_index(arg):
+    index_cmd = arg
+
+    try:
+        bb.note("Executing '%s' ..." % index_cmd)
+        result = subprocess.check_output(index_cmd, stderr=subprocess.STDOUT, shell=True)
+    except subprocess.CalledProcessError as e:
+        return("Index creation command '%s' failed with return code %d:\n%s" %
+               (e.cmd, e.returncode, e.output))
+
+    if result:
+        bb.note(result)
+
+    return None
+
+
+class Indexer(object):
+    __metaclass__ = ABCMeta
+
+    def __init__(self, d, deploy_dir):
+        self.d = d
+        self.deploy_dir = deploy_dir
+
+    @abstractmethod
+    def write_index(self):
+        pass
+
+
+class RpmIndexer(Indexer):
+    def get_ml_prefix_and_os_list(self, arch_var=None, os_var=None):
+        package_archs = {
+            'default': [],
+        }
+
+        target_os = {
+            'default': "",
+        }
+
+        if arch_var is not None and os_var is not None:
+            package_archs['default'] = self.d.getVar(arch_var, True).split()
+            package_archs['default'].reverse()
+            target_os['default'] = self.d.getVar(os_var, True).strip()
+        else:
+            package_archs['default'] = self.d.getVar("PACKAGE_ARCHS", True).split()
+            # arch order is reversed.  This ensures the -best- match is
+            # listed first!
+            package_archs['default'].reverse()
+            target_os['default'] = self.d.getVar("TARGET_OS", True).strip()
+            multilibs = self.d.getVar('MULTILIBS', True) or ""
+            for ext in multilibs.split():
+                eext = ext.split(':')
+                if len(eext) > 1 and eext[0] == 'multilib':
+                    localdata = bb.data.createCopy(self.d)
+                    default_tune_key = "DEFAULTTUNE_virtclass-multilib-" + eext[1]
+                    default_tune = localdata.getVar(default_tune_key, False)
+                    if default_tune is None:
+                        default_tune_key = "DEFAULTTUNE_ML_" + eext[1]
+                        default_tune = localdata.getVar(default_tune_key, False)
+                    if default_tune:
+                        localdata.setVar("DEFAULTTUNE", default_tune)
+                        bb.data.update_data(localdata)
+                        package_archs[eext[1]] = localdata.getVar('PACKAGE_ARCHS',
+                                                                  True).split()
+                        package_archs[eext[1]].reverse()
+                        target_os[eext[1]] = localdata.getVar("TARGET_OS",
+                                                              True).strip()
+
+        ml_prefix_list = dict()
+        for mlib in package_archs:
+            if mlib == 'default':
+                ml_prefix_list[mlib] = package_archs[mlib]
+            else:
+                ml_prefix_list[mlib] = list()
+                for arch in package_archs[mlib]:
+                    if arch in ['all', 'noarch', 'any']:
+                        ml_prefix_list[mlib].append(arch)
+                    else:
+                        ml_prefix_list[mlib].append(mlib + "_" + arch)
+
+        return (ml_prefix_list, target_os)
+
+    def write_index(self):
+        sdk_pkg_archs = (self.d.getVar('SDK_PACKAGE_ARCHS', True) or "").replace('-', '_').split()
+        all_mlb_pkg_archs = (self.d.getVar('ALL_MULTILIB_PACKAGE_ARCHS', True) or "").replace('-', '_').split()
+
+        mlb_prefix_list = self.get_ml_prefix_and_os_list()[0]
+
+        archs = set()
+        for item in mlb_prefix_list:
+            archs = archs.union(set(i.replace('-', '_') for i in mlb_prefix_list[item]))
+
+        if len(archs) == 0:
+            archs = archs.union(set(all_mlb_pkg_archs))
+
+        archs = archs.union(set(sdk_pkg_archs))
+
+        rpm_createrepo = bb.utils.which(os.getenv('PATH'), "createrepo")
+        if self.d.getVar('PACKAGE_FEED_SIGN', True) == '1':
+            pkgfeed_gpg_name = self.d.getVar('PACKAGE_FEED_GPG_NAME', True)
+            pkgfeed_gpg_pass = self.d.getVar('PACKAGE_FEED_GPG_PASSPHRASE_FILE', True)
+        else:
+            pkgfeed_gpg_name = None
+            pkgfeed_gpg_pass = None
+        gpg_bin = self.d.getVar('GPG_BIN', True) or \
+                  bb.utils.which(os.getenv('PATH'), "gpg")
+
+        index_cmds = []
+        repo_sign_cmds = []
+        rpm_dirs_found = False
+        for arch in archs:
+            dbpath = os.path.join(self.d.getVar('WORKDIR', True), 'rpmdb', arch)
+            if os.path.exists(dbpath):
+                bb.utils.remove(dbpath, True)
+            arch_dir = os.path.join(self.deploy_dir, arch)
+            if not os.path.isdir(arch_dir):
+                continue
+
+            index_cmds.append("%s --dbpath %s --update -q %s" % \
+                             (rpm_createrepo, dbpath, arch_dir))
+            if pkgfeed_gpg_name:
+                repomd_file = os.path.join(arch_dir, 'repodata', 'repomd.xml')
+                gpg_cmd = "%s --detach-sign --armor --batch --no-tty --yes " \
+                          "--passphrase-file '%s' -u '%s' %s" % (gpg_bin,
+                          pkgfeed_gpg_pass, pkgfeed_gpg_name, repomd_file)
+                repo_sign_cmds.append(gpg_cmd)
+
+            rpm_dirs_found = True
+
+        if not rpm_dirs_found:
+            bb.note("There are no packages in %s" % self.deploy_dir)
+            return
+
+        # Create repodata
+        result = oe.utils.multiprocess_exec(index_cmds, create_index)
+        if result:
+            bb.fatal('%s' % ('\n'.join(result)))
+        # Sign repomd
+        result = oe.utils.multiprocess_exec(repo_sign_cmds, create_index)
+        if result:
+            bb.fatal('%s' % ('\n'.join(result)))
+        # Copy pubkey(s) to repo
+        distro_version = self.d.getVar('DISTRO_VERSION', True) or "oe.0"
+        if self.d.getVar('RPM_SIGN_PACKAGES', True) == '1':
+            shutil.copy2(self.d.getVar('RPM_GPG_PUBKEY', True),
+                         os.path.join(self.deploy_dir,
+                                      'RPM-GPG-KEY-%s' % distro_version))
+        if self.d.getVar('PACKAGE_FEED_SIGN', True) == '1':
+            shutil.copy2(self.d.getVar('PACKAGE_FEED_GPG_PUBKEY', True),
+                         os.path.join(self.deploy_dir,
+                                      'REPODATA-GPG-KEY-%s' % distro_version))
+
+
+class OpkgIndexer(Indexer):
+    def write_index(self):
+        arch_vars = ["ALL_MULTILIB_PACKAGE_ARCHS",
+                     "SDK_PACKAGE_ARCHS",
+                     "MULTILIB_ARCHS"]
+
+        opkg_index_cmd = bb.utils.which(os.getenv('PATH'), "opkg-make-index")
+
+        if not os.path.exists(os.path.join(self.deploy_dir, "Packages")):
+            open(os.path.join(self.deploy_dir, "Packages"), "w").close()
+
+        index_cmds = []
+        for arch_var in arch_vars:
+            archs = self.d.getVar(arch_var, True)
+            if archs is None:
+                continue
+
+            for arch in archs.split():
+                pkgs_dir = os.path.join(self.deploy_dir, arch)
+                pkgs_file = os.path.join(pkgs_dir, "Packages")
+
+                if not os.path.isdir(pkgs_dir):
+                    continue
+
+                if not os.path.exists(pkgs_file):
+                    open(pkgs_file, "w").close()
+
+                index_cmds.append('%s -r %s -p %s -m %s' %
+                                  (opkg_index_cmd, pkgs_file, pkgs_file, pkgs_dir))
+
+        if len(index_cmds) == 0:
+            bb.note("There are no packages in %s!" % self.deploy_dir)
+            return
+
+        result = oe.utils.multiprocess_exec(index_cmds, create_index)
+        if result:
+            bb.fatal('%s' % ('\n'.join(result)))
+
+
+
+class DpkgIndexer(Indexer):
+    def _create_configs(self):
+        bb.utils.mkdirhier(self.apt_conf_dir)
+        bb.utils.mkdirhier(os.path.join(self.apt_conf_dir, "lists", "partial"))
+        bb.utils.mkdirhier(os.path.join(self.apt_conf_dir, "apt.conf.d"))
+        bb.utils.mkdirhier(os.path.join(self.apt_conf_dir, "preferences.d"))
+
+        with open(os.path.join(self.apt_conf_dir, "preferences"),
+                "w") as prefs_file:
+            pass
+        with open(os.path.join(self.apt_conf_dir, "sources.list"),
+                "w+") as sources_file:
+            pass
+
+        with open(self.apt_conf_file, "w") as apt_conf:
+            with open(os.path.join(self.d.expand("${STAGING_ETCDIR_NATIVE}"),
+                "apt", "apt.conf.sample")) as apt_conf_sample:
+                for line in apt_conf_sample.read().split("\n"):
+                    line = re.sub("#ROOTFS#", "/dev/null", line)
+                    line = re.sub("#APTCONF#", self.apt_conf_dir, line)
+                    apt_conf.write(line + "\n")
+
+    def write_index(self):
+        self.apt_conf_dir = os.path.join(self.d.expand("${APTCONF_TARGET}"),
+                "apt-ftparchive")
+        self.apt_conf_file = os.path.join(self.apt_conf_dir, "apt.conf")
+        self._create_configs()
+
+        os.environ['APT_CONFIG'] = self.apt_conf_file
+
+        pkg_archs = self.d.getVar('PACKAGE_ARCHS', True)
+        if pkg_archs is not None:
+            arch_list = pkg_archs.split()
+        sdk_pkg_archs = self.d.getVar('SDK_PACKAGE_ARCHS', True)
+        if sdk_pkg_archs is not None:
+            for a in sdk_pkg_archs.split():
+                if a not in pkg_archs:
+                    arch_list.append(a)
+
+        all_mlb_pkg_arch_list = (self.d.getVar('ALL_MULTILIB_PACKAGE_ARCHS', True) or "").replace('-', '_').split()
+        arch_list.extend(arch for arch in all_mlb_pkg_arch_list if arch not in arch_list)
+
+        apt_ftparchive = bb.utils.which(os.getenv('PATH'), "apt-ftparchive")
+        gzip = bb.utils.which(os.getenv('PATH'), "gzip")
+
+        index_cmds = []
+        deb_dirs_found = False
+        for arch in arch_list:
+            arch_dir = os.path.join(self.deploy_dir, arch)
+            if not os.path.isdir(arch_dir):
+                continue
+
+            cmd = "cd %s; PSEUDO_UNLOAD=1 %s packages . > Packages;" % (arch_dir, apt_ftparchive)
+
+            cmd += "%s -fc Packages > Packages.gz;" % gzip
+
+            with open(os.path.join(arch_dir, "Release"), "w+") as release:
+                release.write("Label: %s\n" % arch)
+
+            cmd += "PSEUDO_UNLOAD=1 %s release . >> Release" % apt_ftparchive
+            
+            index_cmds.append(cmd)
+
+            deb_dirs_found = True
+
+        if not deb_dirs_found:
+            bb.note("There are no packages in %s" % self.deploy_dir)
+            return
+
+        result = oe.utils.multiprocess_exec(index_cmds, create_index)
+        if result:
+            bb.fatal('%s' % ('\n'.join(result)))
+
+
+
+class PkgsList(object):
+    __metaclass__ = ABCMeta
+
+    def __init__(self, d, rootfs_dir):
+        self.d = d
+        self.rootfs_dir = rootfs_dir
+
+    @abstractmethod
+    def list(self, format=None):
+        pass
+
+
+class RpmPkgsList(PkgsList):
+    def __init__(self, d, rootfs_dir, arch_var=None, os_var=None):
+        super(RpmPkgsList, self).__init__(d, rootfs_dir)
+
+        self.rpm_cmd = bb.utils.which(os.getenv('PATH'), "rpm")
+        self.image_rpmlib = os.path.join(self.rootfs_dir, 'var/lib/rpm')
+
+        self.ml_prefix_list, self.ml_os_list = \
+            RpmIndexer(d, rootfs_dir).get_ml_prefix_and_os_list(arch_var, os_var)
+
+        # Determine rpm version
+        cmd = "%s --version" % self.rpm_cmd
+        try:
+            output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Getting rpm version failed. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+        self.rpm_version = int(output.split()[-1].split('.')[0])
+
+    '''
+    Translate the RPM/Smart format names to the OE multilib format names
+    '''
+    def _pkg_translate_smart_to_oe(self, pkg, arch):
+        new_pkg = pkg
+        new_arch = arch
+        fixed_arch = arch.replace('_', '-')
+        found = 0
+        for mlib in self.ml_prefix_list:
+            for cmp_arch in self.ml_prefix_list[mlib]:
+                fixed_cmp_arch = cmp_arch.replace('_', '-')
+                if fixed_arch == fixed_cmp_arch:
+                    if mlib == 'default':
+                        new_pkg = pkg
+                        new_arch = cmp_arch
+                    else:
+                        new_pkg = mlib + '-' + pkg
+                        # We need to strip off the ${mlib}_ prefix on the arch
+                        new_arch = cmp_arch.replace(mlib + '_', '')
+
+                    # Workaround for bug 3565. Simply look to see if we
+                    # know of a package with that name, if not try again!
+                    filename = os.path.join(self.d.getVar('PKGDATA_DIR', True),
+                                            'runtime-reverse',
+                                            new_pkg)
+                    if os.path.exists(filename):
+                        found = 1
+                        break
+
+            if found == 1 and fixed_arch == fixed_cmp_arch:
+                break
+        #bb.note('%s, %s -> %s, %s' % (pkg, arch, new_pkg, new_arch))
+        return new_pkg, new_arch
+
+    def _list_pkg_deps(self):
+        cmd = [bb.utils.which(os.getenv('PATH'), "rpmresolve"),
+               "-t", self.image_rpmlib]
+
+        try:
+            output = subprocess.check_output(cmd, stderr=subprocess.STDOUT).strip()
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Cannot get the package dependencies. Command '%s' "
+                     "returned %d:\n%s" % (' '.join(cmd), e.returncode, e.output))
+
+        return output
+
+    def list(self, format=None):
+        if format == "deps":
+            if self.rpm_version == 4:
+                bb.fatal("'deps' format dependency listings are not supported with rpm 4 since rpmresolve does not work")
+            return self._list_pkg_deps()
+
+        cmd = self.rpm_cmd + ' --root ' + self.rootfs_dir
+        cmd += ' -D "_dbpath /var/lib/rpm" -qa'
+        if self.rpm_version == 4:
+            cmd += " --qf '[%{NAME} %{ARCH} %{VERSION}\n]'"
+        else:
+            cmd += " --qf '[%{NAME} %{ARCH} %{VERSION} %{PACKAGEORIGIN}\n]'"
+
+        try:
+            # bb.note(cmd)
+            tmp_output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True).strip()
+
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Cannot get the installed packages list. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+        output = list()
+        for line in tmp_output.split('\n'):
+            if len(line.strip()) == 0:
+                continue
+            pkg = line.split()[0]
+            arch = line.split()[1]
+            ver = line.split()[2]
+            # Skip GPG keys
+            if pkg == 'gpg-pubkey':
+                continue
+            if self.rpm_version == 4:
+                pkgorigin = "unknown"
+            else:
+                pkgorigin = line.split()[3]
+            new_pkg, new_arch = self._pkg_translate_smart_to_oe(pkg, arch)
+
+            if format == "arch":
+                output.append('%s %s' % (new_pkg, new_arch))
+            elif format == "file":
+                output.append('%s %s %s' % (new_pkg, pkgorigin, new_arch))
+            elif format == "ver":
+                output.append('%s %s %s' % (new_pkg, new_arch, ver))
+            else:
+                output.append('%s' % (new_pkg))
+
+            output.sort()
+
+        return '\n'.join(output)
+
+
+class OpkgPkgsList(PkgsList):
+    def __init__(self, d, rootfs_dir, config_file):
+        super(OpkgPkgsList, self).__init__(d, rootfs_dir)
+
+        self.opkg_cmd = bb.utils.which(os.getenv('PATH'), "opkg")
+        self.opkg_args = "-f %s -o %s " % (config_file, rootfs_dir)
+        self.opkg_args += self.d.getVar("OPKG_ARGS", True)
+
+    def list(self, format=None):
+        opkg_query_cmd = bb.utils.which(os.getenv('PATH'), "opkg-query-helper.py")
+
+        if format == "arch":
+            cmd = "%s %s status | %s -a" % \
+                (self.opkg_cmd, self.opkg_args, opkg_query_cmd)
+        elif format == "file":
+            cmd = "%s %s status | %s -f" % \
+                (self.opkg_cmd, self.opkg_args, opkg_query_cmd)
+        elif format == "ver":
+            cmd = "%s %s status | %s -v" % \
+                (self.opkg_cmd, self.opkg_args, opkg_query_cmd)
+        elif format == "deps":
+            cmd = "%s %s status | %s" % \
+                (self.opkg_cmd, self.opkg_args, opkg_query_cmd)
+        else:
+            cmd = "%s %s list_installed | cut -d' ' -f1" % \
+                (self.opkg_cmd, self.opkg_args)
+
+        try:
+            output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True).strip()
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Cannot get the installed packages list. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+        if output and format == "file":
+            tmp_output = ""
+            for line in output.split('\n'):
+                pkg, pkg_file, pkg_arch = line.split()
+                full_path = os.path.join(self.rootfs_dir, pkg_arch, pkg_file)
+                if os.path.exists(full_path):
+                    tmp_output += "%s %s %s\n" % (pkg, full_path, pkg_arch)
+                else:
+                    tmp_output += "%s %s %s\n" % (pkg, pkg_file, pkg_arch)
+
+            output = tmp_output
+
+        return output
+
+
+class DpkgPkgsList(PkgsList):
+    def list(self, format=None):
+        cmd = [bb.utils.which(os.getenv('PATH'), "dpkg-query"),
+               "--admindir=%s/var/lib/dpkg" % self.rootfs_dir,
+               "-W"]
+
+        if format == "arch":
+            cmd.append("-f=${Package} ${PackageArch}\n")
+        elif format == "file":
+            cmd.append("-f=${Package} ${Package}_${Version}_${Architecture}.deb ${PackageArch}\n")
+        elif format == "ver":
+            cmd.append("-f=${Package} ${PackageArch} ${Version}\n")
+        elif format == "deps":
+            cmd.append("-f=Package: ${Package}\nDepends: ${Depends}\nRecommends: ${Recommends}\n\n")
+        else:
+            cmd.append("-f=${Package}\n")
+
+        try:
+            output = subprocess.check_output(cmd, stderr=subprocess.STDOUT).strip()
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Cannot get the installed packages list. Command '%s' "
+                     "returned %d:\n%s" % (' '.join(cmd), e.returncode, e.output))
+
+        if format == "file":
+            tmp_output = ""
+            for line in tuple(output.split('\n')):
+                if not line.strip():
+                    continue
+                pkg, pkg_file, pkg_arch = line.split()
+                full_path = os.path.join(self.rootfs_dir, pkg_arch, pkg_file)
+                if os.path.exists(full_path):
+                    tmp_output += "%s %s %s\n" % (pkg, full_path, pkg_arch)
+                else:
+                    tmp_output += "%s %s %s\n" % (pkg, pkg_file, pkg_arch)
+
+            output = tmp_output
+        elif format == "deps":
+            opkg_query_cmd = bb.utils.which(os.getenv('PATH'), "opkg-query-helper.py")
+            file_out = tempfile.NamedTemporaryFile()
+            file_out.write(output)
+            file_out.flush()
+
+            try:
+                output = subprocess.check_output("cat %s | %s" %
+                                                 (file_out.name, opkg_query_cmd),
+                                                 stderr=subprocess.STDOUT,
+                                                 shell=True)
+            except subprocess.CalledProcessError as e:
+                file_out.close()
+                bb.fatal("Cannot compute packages dependencies. Command '%s' "
+                         "returned %d:\n%s" % (e.cmd, e.returncode, e.output))
+
+            file_out.close()
+
+        return output
+
+
+class PackageManager(object):
+    """
+    This is an abstract class. Do not instantiate this directly.
+    """
+    __metaclass__ = ABCMeta
+
+    def __init__(self, d):
+        self.d = d
+        self.deploy_dir = None
+        self.deploy_lock = None
+        self.feed_uris = self.d.getVar('PACKAGE_FEED_URIS', True) or ""
+        self.feed_prefix = self.d.getVar('PACKAGE_FEED_PREFIX', True) or ""
+
+    """
+    Update the package manager package database.
+    """
+    @abstractmethod
+    def update(self):
+        pass
+
+    """
+    Install a list of packages. 'pkgs' is a list object. If 'attempt_only' is
+    True, installation failures are ignored.
+    """
+    @abstractmethod
+    def install(self, pkgs, attempt_only=False):
+        pass
+
+    """
+    Remove a list of packages. 'pkgs' is a list object. If 'with_dependencies'
+    is False, the any dependencies are left in place.
+    """
+    @abstractmethod
+    def remove(self, pkgs, with_dependencies=True):
+        pass
+
+    """
+    This function creates the index files
+    """
+    @abstractmethod
+    def write_index(self):
+        pass
+
+    @abstractmethod
+    def remove_packaging_data(self):
+        pass
+
+    @abstractmethod
+    def list_installed(self, format=None):
+        pass
+
+    @abstractmethod
+    def insert_feeds_uris(self):
+        pass
+
+    """
+    Install complementary packages based upon the list of currently installed
+    packages e.g. locales, *-dev, *-dbg, etc. This will only attempt to install
+    these packages, if they don't exist then no error will occur.  Note: every
+    backend needs to call this function explicitly after the normal package
+    installation
+    """
+    def install_complementary(self, globs=None):
+        # we need to write the list of installed packages to a file because the
+        # oe-pkgdata-util reads it from a file
+        installed_pkgs_file = os.path.join(self.d.getVar('WORKDIR', True),
+                                           "installed_pkgs.txt")
+        with open(installed_pkgs_file, "w+") as installed_pkgs:
+            installed_pkgs.write(self.list_installed("arch"))
+
+        if globs is None:
+            globs = self.d.getVar('IMAGE_INSTALL_COMPLEMENTARY', True)
+            split_linguas = set()
+
+            for translation in self.d.getVar('IMAGE_LINGUAS', True).split():
+                split_linguas.add(translation)
+                split_linguas.add(translation.split('-')[0])
+
+            split_linguas = sorted(split_linguas)
+
+            for lang in split_linguas:
+                globs += " *-locale-%s" % lang
+
+        if globs is None:
+            return
+
+        cmd = [bb.utils.which(os.getenv('PATH'), "oe-pkgdata-util"),
+               "-p", self.d.getVar('PKGDATA_DIR', True), "glob", installed_pkgs_file,
+               globs]
+        exclude = self.d.getVar('PACKAGE_EXCLUDE_COMPLEMENTARY', True)
+        if exclude:
+            cmd.extend(['-x', exclude])
+        try:
+            bb.note("Installing complementary packages ...")
+            complementary_pkgs = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Could not compute complementary packages list. Command "
+                     "'%s' returned %d:\n%s" %
+                     (' '.join(cmd), e.returncode, e.output))
+
+        self.install(complementary_pkgs.split(), attempt_only=True)
+
+    def deploy_dir_lock(self):
+        if self.deploy_dir is None:
+            raise RuntimeError("deploy_dir is not set!")
+
+        lock_file_name = os.path.join(self.deploy_dir, "deploy.lock")
+
+        self.deploy_lock = bb.utils.lockfile(lock_file_name)
+
+    def deploy_dir_unlock(self):
+        if self.deploy_lock is None:
+            return
+
+        bb.utils.unlockfile(self.deploy_lock)
+
+        self.deploy_lock = None
+
+
+class RpmPM(PackageManager):
+    def __init__(self,
+                 d,
+                 target_rootfs,
+                 target_vendor,
+                 task_name='target',
+                 providename=None,
+                 arch_var=None,
+                 os_var=None):
+        super(RpmPM, self).__init__(d)
+        self.target_rootfs = target_rootfs
+        self.target_vendor = target_vendor
+        self.task_name = task_name
+        self.providename = providename
+        self.fullpkglist = list()
+        self.deploy_dir = self.d.getVar('DEPLOY_DIR_RPM', True)
+        self.etcrpm_dir = os.path.join(self.target_rootfs, "etc/rpm")
+        self.install_dir_name = "oe_install"
+        self.install_dir_path = os.path.join(self.target_rootfs, self.install_dir_name)
+        self.rpm_cmd = bb.utils.which(os.getenv('PATH'), "rpm")
+        self.smart_cmd = bb.utils.which(os.getenv('PATH'), "smart")
+        self.smart_opt = "--log-level=warning --data-dir=" + os.path.join(target_rootfs,
+                                                      'var/lib/smart')
+        self.scriptlet_wrapper = self.d.expand('${WORKDIR}/scriptlet_wrapper')
+        self.solution_manifest = self.d.expand('${T}/saved/%s_solution' %
+                                               self.task_name)
+        self.saved_rpmlib = self.d.expand('${T}/saved/%s' % self.task_name)
+        self.image_rpmlib = os.path.join(self.target_rootfs, 'var/lib/rpm')
+
+        if not os.path.exists(self.d.expand('${T}/saved')):
+            bb.utils.mkdirhier(self.d.expand('${T}/saved'))
+
+        self.indexer = RpmIndexer(self.d, self.deploy_dir)
+        self.pkgs_list = RpmPkgsList(self.d, self.target_rootfs, arch_var, os_var)
+        self.rpm_version = self.pkgs_list.rpm_version
+
+        self.ml_prefix_list, self.ml_os_list = self.indexer.get_ml_prefix_and_os_list(arch_var, os_var)
+
+    def insert_feeds_uris(self):
+        if self.feed_uris == "":
+            return
+
+        # List must be prefered to least preferred order
+        default_platform_extra = set()
+        platform_extra = set()
+        bbextendvariant = self.d.getVar('BBEXTENDVARIANT', True) or ""
+        for mlib in self.ml_os_list:
+            for arch in self.ml_prefix_list[mlib]:
+                plt = arch.replace('-', '_') + '-.*-' + self.ml_os_list[mlib]
+                if mlib == bbextendvariant:
+                        default_platform_extra.add(plt)
+                else:
+                        platform_extra.add(plt)
+
+        platform_extra = platform_extra.union(default_platform_extra)
+
+        arch_list = []
+        for canonical_arch in platform_extra:
+            arch = canonical_arch.split('-')[0]
+            if not os.path.exists(os.path.join(self.deploy_dir, arch)):
+                continue
+            arch_list.append(arch)
+
+        uri_iterator = 0
+        channel_priority = 10 + 5 * len(self.feed_uris.split()) * len(arch_list)
+
+        for uri in self.feed_uris.split():
+            full_uri = uri
+            if self.feed_prefix:
+                full_uri = os.path.join(uri, self.feed_prefix)
+            for arch in arch_list:
+                bb.note('Note: adding Smart channel url%d%s (%s)' %
+                        (uri_iterator, arch, channel_priority))
+                self._invoke_smart('channel --add url%d-%s type=rpm-md baseurl=%s/%s -y'
+                                   % (uri_iterator, arch, full_uri, arch))
+                self._invoke_smart('channel --set url%d-%s priority=%d' %
+                                   (uri_iterator, arch, channel_priority))
+                channel_priority -= 5
+            uri_iterator += 1
+
+    '''
+    Create configs for rpm and smart, and multilib is supported
+    '''
+    def create_configs(self):
+        target_arch = self.d.getVar('TARGET_ARCH', True)
+        platform = '%s%s-%s' % (target_arch.replace('-', '_'),
+                                self.target_vendor,
+                                self.ml_os_list['default'])
+
+        # List must be prefered to least preferred order
+        default_platform_extra = list()
+        platform_extra = list()
+        bbextendvariant = self.d.getVar('BBEXTENDVARIANT', True) or ""
+        for mlib in self.ml_os_list:
+            for arch in self.ml_prefix_list[mlib]:
+                plt = arch.replace('-', '_') + '-.*-' + self.ml_os_list[mlib]
+                if mlib == bbextendvariant:
+                    if plt not in default_platform_extra:
+                        default_platform_extra.append(plt)
+                else:
+                    if plt not in platform_extra:
+                        platform_extra.append(plt)
+        platform_extra = default_platform_extra + platform_extra
+
+        self._create_configs(platform, platform_extra)
+
+    def _invoke_smart(self, args):
+        cmd = "%s %s %s" % (self.smart_cmd, self.smart_opt, args)
+        # bb.note(cmd)
+        try:
+            complementary_pkgs = subprocess.check_output(cmd,
+                                                         stderr=subprocess.STDOUT,
+                                                         shell=True)
+            # bb.note(complementary_pkgs)
+            return complementary_pkgs
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Could not invoke smart. Command "
+                     "'%s' returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+    def _search_pkg_name_in_feeds(self, pkg, feed_archs):
+        for arch in feed_archs:
+            arch = arch.replace('-', '_')
+            regex_match = re.compile(r"^%s-[^-]*-[^-]*@%s$" % \
+                (re.escape(pkg), re.escape(arch)))
+            for p in self.fullpkglist:
+                if regex_match.match(p) is not None:
+                    # First found is best match
+                    # bb.note('%s -> %s' % (pkg, pkg + '@' + arch))
+                    return pkg + '@' + arch
+
+        # Search provides if not found by pkgname.
+        bb.note('Not found %s by name, searching provides ...' % pkg)
+        cmd = "%s %s query --provides %s --show-format='$name-$version'" % \
+                (self.smart_cmd, self.smart_opt, pkg)
+        cmd += " | sed -ne 's/ *Provides://p'"
+        bb.note('cmd: %s' % cmd)
+        output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+        # Found a provider
+        if output:
+            bb.note('Found providers for %s: %s' % (pkg, output))
+            for p in output.split():
+                for arch in feed_archs:
+                    arch = arch.replace('-', '_')
+                    if p.rstrip().endswith('@' + arch):
+                        return p
+
+        return ""
+
+    '''
+    Translate the OE multilib format names to the RPM/Smart format names
+    It searched the RPM/Smart format names in probable multilib feeds first,
+    and then searched the default base feed.
+    '''
+    def _pkg_translate_oe_to_smart(self, pkgs, attempt_only=False):
+        new_pkgs = list()
+
+        for pkg in pkgs:
+            new_pkg = pkg
+            # Search new_pkg in probable multilibs first
+            for mlib in self.ml_prefix_list:
+                # Jump the default archs
+                if mlib == 'default':
+                    continue
+
+                subst = pkg.replace(mlib + '-', '')
+                # if the pkg in this multilib feed
+                if subst != pkg:
+                    feed_archs = self.ml_prefix_list[mlib]
+                    new_pkg = self._search_pkg_name_in_feeds(subst, feed_archs)
+                    if not new_pkg:
+                        # Failed to translate, package not found!
+                        err_msg = '%s not found in the %s feeds (%s).\n' % \
+                                  (pkg, mlib, " ".join(feed_archs))
+                        if not attempt_only:
+                            err_msg += " ".join(self.fullpkglist)
+                            bb.fatal(err_msg)
+                        bb.warn(err_msg)
+                    else:
+                        new_pkgs.append(new_pkg)
+
+                    break
+
+            # Apparently not a multilib package...
+            if pkg == new_pkg:
+                # Search new_pkg in default archs
+                default_archs = self.ml_prefix_list['default']
+                new_pkg = self._search_pkg_name_in_feeds(pkg, default_archs)
+                if not new_pkg:
+                    err_msg = '%s not found in the base feeds (%s).\n' % \
+                              (pkg, ' '.join(default_archs))
+                    if not attempt_only:
+                        err_msg += " ".join(self.fullpkglist)
+                        bb.fatal(err_msg)
+                    bb.warn(err_msg)
+                else:
+                    new_pkgs.append(new_pkg)
+
+        return new_pkgs
+
+    def _create_configs(self, platform, platform_extra):
+        # Setup base system configuration
+        bb.note("configuring RPM platform settings")
+
+        # Configure internal RPM environment when using Smart
+        os.environ['RPM_ETCRPM'] = self.etcrpm_dir
+        bb.utils.mkdirhier(self.etcrpm_dir)
+
+        # Setup temporary directory -- install...
+        if os.path.exists(self.install_dir_path):
+            bb.utils.remove(self.install_dir_path, True)
+        bb.utils.mkdirhier(os.path.join(self.install_dir_path, 'tmp'))
+
+        channel_priority = 5
+        platform_dir = os.path.join(self.etcrpm_dir, "platform")
+        sdkos = self.d.getVar("SDK_OS", True)
+        with open(platform_dir, "w+") as platform_fd:
+            platform_fd.write(platform + '\n')
+            for pt in platform_extra:
+                channel_priority += 5
+                if sdkos:
+                    tmp = re.sub("-%s$" % sdkos, "-%s\n" % sdkos, pt)
+                tmp = re.sub("-linux.*$", "-linux.*\n", tmp)
+                platform_fd.write(tmp)
+
+        # Tell RPM that the "/" directory exist and is available
+        bb.note("configuring RPM system provides")
+        sysinfo_dir = os.path.join(self.etcrpm_dir, "sysinfo")
+        bb.utils.mkdirhier(sysinfo_dir)
+        with open(os.path.join(sysinfo_dir, "Dirnames"), "w+") as dirnames:
+            dirnames.write("/\n")
+
+        if self.providename:
+            providename_dir = os.path.join(sysinfo_dir, "Providename")
+            if not os.path.exists(providename_dir):
+                providename_content = '\n'.join(self.providename)
+                providename_content += '\n'
+                open(providename_dir, "w+").write(providename_content)
+
+        # Configure RPM... we enforce these settings!
+        bb.note("configuring RPM DB settings")
+        # After change the __db.* cache size, log file will not be
+        # generated automatically, that will raise some warnings,
+        # so touch a bare log for rpm write into it.
+        if self.rpm_version == 5:
+            rpmlib_log = os.path.join(self.image_rpmlib, 'log', 'log.0000000001')
+            if not os.path.exists(rpmlib_log):
+                bb.utils.mkdirhier(os.path.join(self.image_rpmlib, 'log'))
+                open(rpmlib_log, 'w+').close()
+
+            DB_CONFIG_CONTENT = "# ================ Environment\n" \
+                "set_data_dir .\n" \
+                "set_create_dir .\n" \
+                "set_lg_dir ./log\n" \
+                "set_tmp_dir ./tmp\n" \
+                "set_flags db_log_autoremove on\n" \
+                "\n" \
+                "# -- thread_count must be >= 8\n" \
+                "set_thread_count 64\n" \
+                "\n" \
+                "# ================ Logging\n" \
+                "\n" \
+                "# ================ Memory Pool\n" \
+                "set_cachesize 0 1048576 0\n" \
+                "set_mp_mmapsize 268435456\n" \
+                "\n" \
+                "# ================ Locking\n" \
+                "set_lk_max_locks 16384\n" \
+                "set_lk_max_lockers 16384\n" \
+                "set_lk_max_objects 16384\n" \
+                "mutex_set_max 163840\n" \
+                "\n" \
+                "# ================ Replication\n"
+
+            db_config_dir = os.path.join(self.image_rpmlib, 'DB_CONFIG')
+            if not os.path.exists(db_config_dir):
+                open(db_config_dir, 'w+').write(DB_CONFIG_CONTENT)
+
+        # Create database so that smart doesn't complain (lazy init)
+        opt = "-qa"
+        if self.rpm_version == 4:
+            opt = "--initdb"
+        cmd = "%s --root %s --dbpath /var/lib/rpm %s > /dev/null" % (
+              self.rpm_cmd, self.target_rootfs, opt)
+        try:
+            subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Create rpm database failed. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+        # Import GPG key to RPM database of the target system
+        if self.d.getVar('RPM_SIGN_PACKAGES', True) == '1':
+            pubkey_path = self.d.getVar('RPM_GPG_PUBKEY', True)
+            cmd = "%s --root %s --dbpath /var/lib/rpm --import %s > /dev/null" % (
+                  self.rpm_cmd, self.target_rootfs, pubkey_path)
+            subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+
+        # Configure smart
+        bb.note("configuring Smart settings")
+        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/smart'),
+                        True)
+        self._invoke_smart('config --set rpm-root=%s' % self.target_rootfs)
+        self._invoke_smart('config --set rpm-dbpath=/var/lib/rpm')
+        self._invoke_smart('config --set rpm-extra-macros._var=%s' %
+                           self.d.getVar('localstatedir', True))
+        cmd = "config --set rpm-extra-macros._tmppath=/%s/tmp" % (self.install_dir_name)
+
+        prefer_color = self.d.getVar('RPM_PREFER_ELF_ARCH', True)
+        if prefer_color:
+            if prefer_color not in ['0', '1', '2', '4']:
+                bb.fatal("Invalid RPM_PREFER_ELF_ARCH: %s, it should be one of:\n"
+                        "\t1: ELF32 wins\n"
+                        "\t2: ELF64 wins\n"
+                        "\t4: ELF64 N32 wins (mips64 or mips64el only)" %
+                        prefer_color)
+            if prefer_color == "4" and self.d.getVar("TUNE_ARCH", True) not in \
+                                    ['mips64', 'mips64el']:
+                bb.fatal("RPM_PREFER_ELF_ARCH = \"4\" is for mips64 or mips64el "
+                         "only.")
+            self._invoke_smart('config --set rpm-extra-macros._prefer_color=%s'
+                        % prefer_color)
+
+        self._invoke_smart(cmd)
+        self._invoke_smart('config --set rpm-ignoresize=1')
+
+        # Write common configuration for host and target usage
+        self._invoke_smart('config --set rpm-nolinktos=1')
+        self._invoke_smart('config --set rpm-noparentdirs=1')
+        check_signature = self.d.getVar('RPM_CHECK_SIGNATURES', True)
+        if check_signature and check_signature.strip() == "0":
+            self._invoke_smart('config --set rpm-check-signatures=false')
+        for i in self.d.getVar('BAD_RECOMMENDATIONS', True).split():
+            self._invoke_smart('flag --set ignore-recommends %s' % i)
+
+        # Do the following configurations here, to avoid them being
+        # saved for field upgrade
+        if self.d.getVar('NO_RECOMMENDATIONS', True).strip() == "1":
+            self._invoke_smart('config --set ignore-all-recommends=1')
+        pkg_exclude = self.d.getVar('PACKAGE_EXCLUDE', True) or ""
+        for i in pkg_exclude.split():
+            self._invoke_smart('flag --set exclude-packages %s' % i)
+
+        # Optional debugging
+        # self._invoke_smart('config --set rpm-log-level=debug')
+        # cmd = 'config --set rpm-log-file=/tmp/smart-debug-logfile'
+        # self._invoke_smart(cmd)
+        ch_already_added = []
+        for canonical_arch in platform_extra:
+            arch = canonical_arch.split('-')[0]
+            arch_channel = os.path.join(self.deploy_dir, arch)
+            if os.path.exists(arch_channel) and not arch in ch_already_added:
+                bb.note('Note: adding Smart channel %s (%s)' %
+                        (arch, channel_priority))
+                self._invoke_smart('channel --add %s type=rpm-md baseurl=%s -y'
+                                   % (arch, arch_channel))
+                self._invoke_smart('channel --set %s priority=%d' %
+                                   (arch, channel_priority))
+                channel_priority -= 5
+
+                ch_already_added.append(arch)
+
+        bb.note('adding Smart RPM DB channel')
+        self._invoke_smart('channel --add rpmsys type=rpm-sys -y')
+
+        # Construct install scriptlet wrapper.
+        # Scripts need to be ordered when executed, this ensures numeric order.
+        # If we ever run into needing more the 899 scripts, we'll have to.
+        # change num to start with 1000.
+        #
+        if self.rpm_version == 4:
+            scriptletcmd = "$2 $3 $4\n"
+            scriptpath = "$3"
+        else:
+            scriptletcmd = "$2 $1/$3 $4\n"
+            scriptpath = "$1/$3"
+
+        SCRIPTLET_FORMAT = "#!/bin/bash\n" \
+            "\n" \
+            "export PATH=%s\n" \
+            "export D=%s\n" \
+            'export OFFLINE_ROOT="$D"\n' \
+            'export IPKG_OFFLINE_ROOT="$D"\n' \
+            'export OPKG_OFFLINE_ROOT="$D"\n' \
+            "export INTERCEPT_DIR=%s\n" \
+            "export NATIVE_ROOT=%s\n" \
+            "\n" \
+            + scriptletcmd + \
+            "if [ $? -ne 0 ]; then\n" \
+            "  if [ $4 -eq 1 ]; then\n" \
+            "    mkdir -p $1/etc/rpm-postinsts\n" \
+            "    num=100\n" \
+            "    while [ -e $1/etc/rpm-postinsts/${num}-* ]; do num=$((num + 1)); done\n" \
+            "    name=`head -1 " + scriptpath + " | cut -d\' \' -f 2`\n" \
+            '    echo "#!$2" > $1/etc/rpm-postinsts/${num}-${name}\n' \
+            '    echo "# Arg: $4" >> $1/etc/rpm-postinsts/${num}-${name}\n' \
+            "    cat " + scriptpath + " >> $1/etc/rpm-postinsts/${num}-${name}\n" \
+            "    chmod +x $1/etc/rpm-postinsts/${num}-${name}\n" \
+            "  else\n" \
+            '    echo "Error: pre/post remove scriptlet failed"\n' \
+            "  fi\n" \
+            "fi\n"
+
+        intercept_dir = self.d.expand('${WORKDIR}/intercept_scripts')
+        native_root = self.d.getVar('STAGING_DIR_NATIVE', True)
+        scriptlet_content = SCRIPTLET_FORMAT % (os.environ['PATH'],
+                                                self.target_rootfs,
+                                                intercept_dir,
+                                                native_root)
+        open(self.scriptlet_wrapper, 'w+').write(scriptlet_content)
+
+        bb.note("Note: configuring RPM cross-install scriptlet_wrapper")
+        os.chmod(self.scriptlet_wrapper, 0755)
+        cmd = 'config --set rpm-extra-macros._cross_scriptlet_wrapper=%s' % \
+              self.scriptlet_wrapper
+        self._invoke_smart(cmd)
+
+        # Debug to show smart config info
+        # bb.note(self._invoke_smart('config --show'))
+
+    def update(self):
+        self._invoke_smart('update rpmsys')
+
+    '''
+    Install pkgs with smart, the pkg name is oe format
+    '''
+    def install(self, pkgs, attempt_only=False):
+
+        if not pkgs:
+            bb.note("There are no packages to install")
+            return
+        bb.note("Installing the following packages: %s" % ' '.join(pkgs))
+        pkgs = self._pkg_translate_oe_to_smart(pkgs, attempt_only)
+
+        if not attempt_only:
+            bb.note('to be installed: %s' % ' '.join(pkgs))
+            cmd = "%s %s install -y %s" % \
+                  (self.smart_cmd, self.smart_opt, ' '.join(pkgs))
+            bb.note(cmd)
+        else:
+            bb.note('installing attempt only packages...')
+            bb.note('Attempting %s' % ' '.join(pkgs))
+            cmd = "%s %s install --attempt -y %s" % \
+                  (self.smart_cmd, self.smart_opt, ' '.join(pkgs))
+        try:
+            output = subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
+            bb.note(output)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Unable to install packages. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+    '''
+    Remove pkgs with smart, the pkg name is smart/rpm format
+    '''
+    def remove(self, pkgs, with_dependencies=True):
+        bb.note('to be removed: ' + ' '.join(pkgs))
+
+        if not with_dependencies:
+            cmd = "%s -e --nodeps " % self.rpm_cmd
+            cmd += "--root=%s " % self.target_rootfs
+            cmd += "--dbpath=/var/lib/rpm "
+            cmd += "--define='_cross_scriptlet_wrapper %s' " % \
+                   self.scriptlet_wrapper
+            cmd += "--define='_tmppath /%s/tmp' %s" % (self.install_dir_name, ' '.join(pkgs))
+        else:
+            # for pkg in pkgs:
+            #   bb.note('Debug: What required: %s' % pkg)
+            #   bb.note(self._invoke_smart('query %s --show-requiredby' % pkg))
+
+            cmd = "%s %s remove -y %s" % (self.smart_cmd,
+                                          self.smart_opt,
+                                          ' '.join(pkgs))
+
+        try:
+            bb.note(cmd)
+            output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+            bb.note(output)
+        except subprocess.CalledProcessError as e:
+            bb.note("Unable to remove packages. Command '%s' "
+                    "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+    def upgrade(self):
+        bb.note('smart upgrade')
+        self._invoke_smart('upgrade')
+
+    def write_index(self):
+        result = self.indexer.write_index()
+
+        if result is not None:
+            bb.fatal(result)
+
+    def remove_packaging_data(self):
+        bb.utils.remove(self.image_rpmlib, True)
+        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/smart'),
+                        True)
+        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/opkg'), True)
+
+        # remove temp directory
+        bb.utils.remove(self.install_dir_path, True)
+
+    def backup_packaging_data(self):
+        # Save the rpmlib for increment rpm image generation
+        if os.path.exists(self.saved_rpmlib):
+            bb.utils.remove(self.saved_rpmlib, True)
+        shutil.copytree(self.image_rpmlib,
+                        self.saved_rpmlib,
+                        symlinks=True)
+
+    def recovery_packaging_data(self):
+        # Move the rpmlib back
+        if os.path.exists(self.saved_rpmlib):
+            if os.path.exists(self.image_rpmlib):
+                bb.utils.remove(self.image_rpmlib, True)
+
+            bb.note('Recovery packaging data')
+            shutil.copytree(self.saved_rpmlib,
+                            self.image_rpmlib,
+                            symlinks=True)
+
+    def list_installed(self, format=None):
+        return self.pkgs_list.list(format)
+
+    '''
+    If incremental install, we need to determine what we've got,
+    what we need to add, and what to remove...
+    The dump_install_solution will dump and save the new install
+    solution.
+    '''
+    def dump_install_solution(self, pkgs):
+        bb.note('creating new install solution for incremental install')
+        if len(pkgs) == 0:
+            return
+
+        pkgs = self._pkg_translate_oe_to_smart(pkgs, False)
+        install_pkgs = list()
+
+        cmd = "%s %s install -y --dump %s 2>%s" %  \
+              (self.smart_cmd,
+               self.smart_opt,
+               ' '.join(pkgs),
+               self.solution_manifest)
+        try:
+            # Disable rpmsys channel for the fake install
+            self._invoke_smart('channel --disable rpmsys')
+
+            subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+            with open(self.solution_manifest, 'r') as manifest:
+                for pkg in manifest.read().split('\n'):
+                    if '@' in pkg:
+                        install_pkgs.append(pkg)
+        except subprocess.CalledProcessError as e:
+            bb.note("Unable to dump install packages. Command '%s' "
+                    "returned %d:\n%s" % (cmd, e.returncode, e.output))
+        # Recovery rpmsys channel
+        self._invoke_smart('channel --enable rpmsys')
+        return install_pkgs
+
+    '''
+    If incremental install, we need to determine what we've got,
+    what we need to add, and what to remove...
+    The load_old_install_solution will load the previous install
+    solution
+    '''
+    def load_old_install_solution(self):
+        bb.note('load old install solution for incremental install')
+        installed_pkgs = list()
+        if not os.path.exists(self.solution_manifest):
+            bb.note('old install solution not exist')
+            return installed_pkgs
+
+        with open(self.solution_manifest, 'r') as manifest:
+            for pkg in manifest.read().split('\n'):
+                if '@' in pkg:
+                    installed_pkgs.append(pkg.strip())
+
+        return installed_pkgs
+
+    '''
+    Dump all available packages in feeds, it should be invoked after the
+    newest rpm index was created
+    '''
+    def dump_all_available_pkgs(self):
+        available_manifest = self.d.expand('${T}/saved/available_pkgs.txt')
+        available_pkgs = list()
+        cmd = "%s %s query --output %s" %  \
+              (self.smart_cmd, self.smart_opt, available_manifest)
+        try:
+            subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+            with open(available_manifest, 'r') as manifest:
+                for pkg in manifest.read().split('\n'):
+                    if '@' in pkg:
+                        available_pkgs.append(pkg.strip())
+        except subprocess.CalledProcessError as e:
+            bb.note("Unable to list all available packages. Command '%s' "
+                    "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+        self.fullpkglist = available_pkgs
+
+        return
+
+    def save_rpmpostinst(self, pkg):
+        mlibs = (self.d.getVar('MULTILIB_GLOBAL_VARIANTS', False) or "").split()
+
+        new_pkg = pkg
+        # Remove any multilib prefix from the package name
+        for mlib in mlibs:
+            if mlib in pkg:
+                new_pkg = pkg.replace(mlib + '-', '')
+                break
+
+        bb.note('  * postponing %s' % new_pkg)
+        saved_dir = self.target_rootfs + self.d.expand('${sysconfdir}/rpm-postinsts/') + new_pkg
+
+        cmd = self.rpm_cmd + ' -q --scripts --root ' + self.target_rootfs
+        cmd += ' --dbpath=/var/lib/rpm ' + new_pkg
+        cmd += ' | sed -n -e "/^postinstall scriptlet (using .*):$/,/^.* scriptlet (using .*):$/ {/.*/p}"'
+        cmd += ' | sed -e "/postinstall scriptlet (using \(.*\)):$/d"'
+        cmd += ' -e "/^.* scriptlet (using .*):$/d" > %s' % saved_dir
+
+        try:
+            bb.note(cmd)
+            output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True).strip()
+            bb.note(output)
+            os.chmod(saved_dir, 0755)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Invoke save_rpmpostinst failed. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+    '''Write common configuration for target usage'''
+    def rpm_setup_smart_target_config(self):
+        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/smart'),
+                        True)
+
+        self._invoke_smart('config --set rpm-nolinktos=1')
+        self._invoke_smart('config --set rpm-noparentdirs=1')
+        for i in self.d.getVar('BAD_RECOMMENDATIONS', True).split():
+            self._invoke_smart('flag --set ignore-recommends %s' % i)
+        self._invoke_smart('channel --add rpmsys type=rpm-sys -y')
+
+    '''
+    The rpm db lock files were produced after invoking rpm to query on
+    build system, and they caused the rpm on target didn't work, so we
+    need to unlock the rpm db by removing the lock files.
+    '''
+    def unlock_rpm_db(self):
+        # Remove rpm db lock files
+        rpm_db_locks = glob.glob('%s/var/lib/rpm/__db.*' % self.target_rootfs)
+        for f in rpm_db_locks:
+            bb.utils.remove(f, True)
+
+
+class OpkgPM(PackageManager):
+    def __init__(self, d, target_rootfs, config_file, archs, task_name='target'):
+        super(OpkgPM, self).__init__(d)
+
+        self.target_rootfs = target_rootfs
+        self.config_file = config_file
+        self.pkg_archs = archs
+        self.task_name = task_name
+
+        self.deploy_dir = self.d.getVar("DEPLOY_DIR_IPK", True)
+        self.deploy_lock_file = os.path.join(self.deploy_dir, "deploy.lock")
+        self.opkg_cmd = bb.utils.which(os.getenv('PATH'), "opkg")
+        self.opkg_args = "--volatile-cache -f %s -o %s " % (self.config_file, target_rootfs)
+        self.opkg_args += self.d.getVar("OPKG_ARGS", True)
+
+        opkg_lib_dir = self.d.getVar('OPKGLIBDIR', True)
+        if opkg_lib_dir[0] == "/":
+            opkg_lib_dir = opkg_lib_dir[1:]
+
+        self.opkg_dir = os.path.join(target_rootfs, opkg_lib_dir, "opkg")
+
+        bb.utils.mkdirhier(self.opkg_dir)
+
+        self.saved_opkg_dir = self.d.expand('${T}/saved/%s' % self.task_name)
+        if not os.path.exists(self.d.expand('${T}/saved')):
+            bb.utils.mkdirhier(self.d.expand('${T}/saved'))
+
+        if (self.d.getVar('BUILD_IMAGES_FROM_FEEDS', True) or "") != "1":
+            self._create_config()
+        else:
+            self._create_custom_config()
+
+        self.indexer = OpkgIndexer(self.d, self.deploy_dir)
+
+    """
+    This function will change a package's status in /var/lib/opkg/status file.
+    If 'packages' is None then the new_status will be applied to all
+    packages
+    """
+    def mark_packages(self, status_tag, packages=None):
+        status_file = os.path.join(self.opkg_dir, "status")
+
+        with open(status_file, "r") as sf:
+            with open(status_file + ".tmp", "w+") as tmp_sf:
+                if packages is None:
+                    tmp_sf.write(re.sub(r"Package: (.*?)\n((?:[^\n]+\n)*?)Status: (.*)(?:unpacked|installed)",
+                                        r"Package: \1\n\2Status: \3%s" % status_tag,
+                                        sf.read()))
+                else:
+                    if type(packages).__name__ != "list":
+                        raise TypeError("'packages' should be a list object")
+
+                    status = sf.read()
+                    for pkg in packages:
+                        status = re.sub(r"Package: %s\n((?:[^\n]+\n)*?)Status: (.*)(?:unpacked|installed)" % pkg,
+                                        r"Package: %s\n\1Status: \2%s" % (pkg, status_tag),
+                                        status)
+
+                    tmp_sf.write(status)
+
+        os.rename(status_file + ".tmp", status_file)
+
+    def _create_custom_config(self):
+        bb.note("Building from feeds activated!")
+
+        with open(self.config_file, "w+") as config_file:
+            priority = 1
+            for arch in self.pkg_archs.split():
+                config_file.write("arch %s %d\n" % (arch, priority))
+                priority += 5
+
+            for line in (self.d.getVar('IPK_FEED_URIS', True) or "").split():
+                feed_match = re.match("^[ \t]*(.*)##([^ \t]*)[ \t]*$", line)
+
+                if feed_match is not None:
+                    feed_name = feed_match.group(1)
+                    feed_uri = feed_match.group(2)
+
+                    bb.note("Add %s feed with URL %s" % (feed_name, feed_uri))
+
+                    config_file.write("src/gz %s %s\n" % (feed_name, feed_uri))
+
+            """
+            Allow to use package deploy directory contents as quick devel-testing
+            feed. This creates individual feed configs for each arch subdir of those
+            specified as compatible for the current machine.
+            NOTE: Development-helper feature, NOT a full-fledged feed.
+            """
+            if (self.d.getVar('FEED_DEPLOYDIR_BASE_URI', True) or "") != "":
+                for arch in self.pkg_archs.split():
+                    cfg_file_name = os.path.join(self.target_rootfs,
+                                                 self.d.getVar("sysconfdir", True),
+                                                 "opkg",
+                                                 "local-%s-feed.conf" % arch)
+
+                    with open(cfg_file_name, "w+") as cfg_file:
+                        cfg_file.write("src/gz local-%s %s/%s" %
+                                       (arch,
+                                        self.d.getVar('FEED_DEPLOYDIR_BASE_URI', True),
+                                        arch))
+
+    def _create_config(self):
+        with open(self.config_file, "w+") as config_file:
+            priority = 1
+            for arch in self.pkg_archs.split():
+                config_file.write("arch %s %d\n" % (arch, priority))
+                priority += 5
+
+            config_file.write("src oe file:%s\n" % self.deploy_dir)
+
+            for arch in self.pkg_archs.split():
+                pkgs_dir = os.path.join(self.deploy_dir, arch)
+                if os.path.isdir(pkgs_dir):
+                    config_file.write("src oe-%s file:%s\n" %
+                                      (arch, pkgs_dir))
+
+    def insert_feeds_uris(self):
+        if self.feed_uris == "":
+            return
+
+        rootfs_config = os.path.join('%s/etc/opkg/base-feeds.conf'
+                                  % self.target_rootfs)
+
+        with open(rootfs_config, "w+") as config_file:
+            uri_iterator = 0
+            for uri in self.feed_uris.split():
+                full_uri = uri
+                if self.feed_prefix:
+                    full_uri = os.path.join(uri, self.feed_prefix)
+
+                for arch in self.pkg_archs.split():
+                    if not os.path.exists(os.path.join(self.deploy_dir, arch)):
+                        continue
+                    bb.note('Note: adding opkg feed url-%s-%d (%s)' %
+                        (arch, uri_iterator, full_uri))
+
+                    config_file.write("src/gz uri-%s-%d %s/%s\n" %
+                                      (arch, uri_iterator, full_uri, arch))
+                uri_iterator += 1
+
+    def update(self):
+        self.deploy_dir_lock()
+
+        cmd = "%s %s update" % (self.opkg_cmd, self.opkg_args)
+
+        try:
+            subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
+        except subprocess.CalledProcessError as e:
+            self.deploy_dir_unlock()
+            bb.fatal("Unable to update the package index files. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+        self.deploy_dir_unlock()
+
+    def install(self, pkgs, attempt_only=False):
+        if attempt_only and len(pkgs) == 0:
+            return
+
+        cmd = "%s %s install %s" % (self.opkg_cmd, self.opkg_args, ' '.join(pkgs))
+
+        os.environ['D'] = self.target_rootfs
+        os.environ['OFFLINE_ROOT'] = self.target_rootfs
+        os.environ['IPKG_OFFLINE_ROOT'] = self.target_rootfs
+        os.environ['OPKG_OFFLINE_ROOT'] = self.target_rootfs
+        os.environ['INTERCEPT_DIR'] = os.path.join(self.d.getVar('WORKDIR', True),
+                                                   "intercept_scripts")
+        os.environ['NATIVE_ROOT'] = self.d.getVar('STAGING_DIR_NATIVE', True)
+
+        try:
+            bb.note("Installing the following packages: %s" % ' '.join(pkgs))
+            bb.note(cmd)
+            output = subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
+            bb.note(output)
+        except subprocess.CalledProcessError as e:
+            (bb.fatal, bb.note)[attempt_only]("Unable to install packages. "
+                                              "Command '%s' returned %d:\n%s" %
+                                              (cmd, e.returncode, e.output))
+
+    def remove(self, pkgs, with_dependencies=True):
+        if with_dependencies:
+            cmd = "%s %s --force-depends --force-remove --force-removal-of-dependent-packages remove %s" % \
+                (self.opkg_cmd, self.opkg_args, ' '.join(pkgs))
+        else:
+            cmd = "%s %s --force-depends remove %s" % \
+                (self.opkg_cmd, self.opkg_args, ' '.join(pkgs))
+
+        try:
+            bb.note(cmd)
+            output = subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
+            bb.note(output)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Unable to remove packages. Command '%s' "
+                     "returned %d:\n%s" % (e.cmd, e.returncode, e.output))
+
+    def write_index(self):
+        self.deploy_dir_lock()
+
+        result = self.indexer.write_index()
+
+        self.deploy_dir_unlock()
+
+        if result is not None:
+            bb.fatal(result)
+
+    def remove_packaging_data(self):
+        bb.utils.remove(self.opkg_dir, True)
+        # create the directory back, it's needed by PM lock
+        bb.utils.mkdirhier(self.opkg_dir)
+
+    def list_installed(self, format=None):
+        return OpkgPkgsList(self.d, self.target_rootfs, self.config_file).list(format)
+
+    def handle_bad_recommendations(self):
+        bad_recommendations = self.d.getVar("BAD_RECOMMENDATIONS", True) or ""
+        if bad_recommendations.strip() == "":
+            return
+
+        status_file = os.path.join(self.opkg_dir, "status")
+
+        # If status file existed, it means the bad recommendations has already
+        # been handled
+        if os.path.exists(status_file):
+            return
+
+        cmd = "%s %s info " % (self.opkg_cmd, self.opkg_args)
+
+        with open(status_file, "w+") as status:
+            for pkg in bad_recommendations.split():
+                pkg_info = cmd + pkg
+
+                try:
+                    output = subprocess.check_output(pkg_info.split(), stderr=subprocess.STDOUT).strip()
+                except subprocess.CalledProcessError as e:
+                    bb.fatal("Cannot get package info. Command '%s' "
+                             "returned %d:\n%s" % (pkg_info, e.returncode, e.output))
+
+                if output == "":
+                    bb.note("Ignored bad recommendation: '%s' is "
+                            "not a package" % pkg)
+                    continue
+
+                for line in output.split('\n'):
+                    if line.startswith("Status:"):
+                        status.write("Status: deinstall hold not-installed\n")
+                    else:
+                        status.write(line + "\n")
+
+                # Append a blank line after each package entry to ensure that it
+                # is separated from the following entry
+                status.write("\n")
+
+    '''
+    The following function dummy installs pkgs and returns the log of output.
+    '''
+    def dummy_install(self, pkgs):
+        if len(pkgs) == 0:
+            return
+
+        # Create an temp dir as opkg root for dummy installation
+        temp_rootfs = self.d.expand('${T}/opkg')
+        temp_opkg_dir = os.path.join(temp_rootfs, 'var/lib/opkg')
+        bb.utils.mkdirhier(temp_opkg_dir)
+
+        opkg_args = "-f %s -o %s " % (self.config_file, temp_rootfs)
+        opkg_args += self.d.getVar("OPKG_ARGS", True)
+
+        cmd = "%s %s update" % (self.opkg_cmd, opkg_args)
+        try:
+            subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Unable to update. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+        # Dummy installation
+        cmd = "%s %s --noaction install %s " % (self.opkg_cmd,
+                                                opkg_args,
+                                                ' '.join(pkgs))
+        try:
+            output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Unable to dummy install packages. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+        bb.utils.remove(temp_rootfs, True)
+
+        return output
+
+    def backup_packaging_data(self):
+        # Save the opkglib for increment ipk image generation
+        if os.path.exists(self.saved_opkg_dir):
+            bb.utils.remove(self.saved_opkg_dir, True)
+        shutil.copytree(self.opkg_dir,
+                        self.saved_opkg_dir,
+                        symlinks=True)
+
+    def recover_packaging_data(self):
+        # Move the opkglib back
+        if os.path.exists(self.saved_opkg_dir):
+            if os.path.exists(self.opkg_dir):
+                bb.utils.remove(self.opkg_dir, True)
+
+            bb.note('Recover packaging data')
+            shutil.copytree(self.saved_opkg_dir,
+                            self.opkg_dir,
+                            symlinks=True)
+
+
+class DpkgPM(PackageManager):
+    def __init__(self, d, target_rootfs, archs, base_archs, apt_conf_dir=None):
+        super(DpkgPM, self).__init__(d)
+        self.target_rootfs = target_rootfs
+        self.deploy_dir = self.d.getVar('DEPLOY_DIR_DEB', True)
+        if apt_conf_dir is None:
+            self.apt_conf_dir = self.d.expand("${APTCONF_TARGET}/apt")
+        else:
+            self.apt_conf_dir = apt_conf_dir
+        self.apt_conf_file = os.path.join(self.apt_conf_dir, "apt.conf")
+        self.apt_get_cmd = bb.utils.which(os.getenv('PATH'), "apt-get")
+
+        self.apt_args = d.getVar("APT_ARGS", True)
+
+        self.all_arch_list = archs.split()
+        all_mlb_pkg_arch_list = (self.d.getVar('ALL_MULTILIB_PACKAGE_ARCHS', True) or "").replace('-', '_').split()
+        self.all_arch_list.extend(arch for arch in all_mlb_pkg_arch_list if arch not in self.all_arch_list)
+
+        self._create_configs(archs, base_archs)
+
+        self.indexer = DpkgIndexer(self.d, self.deploy_dir)
+
+    """
+    This function will change a package's status in /var/lib/dpkg/status file.
+    If 'packages' is None then the new_status will be applied to all
+    packages
+    """
+    def mark_packages(self, status_tag, packages=None):
+        status_file = self.target_rootfs + "/var/lib/dpkg/status"
+
+        with open(status_file, "r") as sf:
+            with open(status_file + ".tmp", "w+") as tmp_sf:
+                if packages is None:
+                    tmp_sf.write(re.sub(r"Package: (.*?)\n((?:[^\n]+\n)*?)Status: (.*)(?:unpacked|installed)",
+                                        r"Package: \1\n\2Status: \3%s" % status_tag,
+                                        sf.read()))
+                else:
+                    if type(packages).__name__ != "list":
+                        raise TypeError("'packages' should be a list object")
+
+                    status = sf.read()
+                    for pkg in packages:
+                        status = re.sub(r"Package: %s\n((?:[^\n]+\n)*?)Status: (.*)(?:unpacked|installed)" % pkg,
+                                        r"Package: %s\n\1Status: \2%s" % (pkg, status_tag),
+                                        status)
+
+                    tmp_sf.write(status)
+
+        os.rename(status_file + ".tmp", status_file)
+
+    """
+    Run the pre/post installs for package "package_name". If package_name is
+    None, then run all pre/post install scriptlets.
+    """
+    def run_pre_post_installs(self, package_name=None):
+        info_dir = self.target_rootfs + "/var/lib/dpkg/info"
+        suffixes = [(".preinst", "Preinstall"), (".postinst", "Postinstall")]
+        status_file = self.target_rootfs + "/var/lib/dpkg/status"
+        installed_pkgs = []
+
+        with open(status_file, "r") as status:
+            for line in status.read().split('\n'):
+                m = re.match("^Package: (.*)", line)
+                if m is not None:
+                    installed_pkgs.append(m.group(1))
+
+        if package_name is not None and not package_name in installed_pkgs:
+            return
+
+        os.environ['D'] = self.target_rootfs
+        os.environ['OFFLINE_ROOT'] = self.target_rootfs
+        os.environ['IPKG_OFFLINE_ROOT'] = self.target_rootfs
+        os.environ['OPKG_OFFLINE_ROOT'] = self.target_rootfs
+        os.environ['INTERCEPT_DIR'] = os.path.join(self.d.getVar('WORKDIR', True),
+                                                   "intercept_scripts")
+        os.environ['NATIVE_ROOT'] = self.d.getVar('STAGING_DIR_NATIVE', True)
+
+        failed_pkgs = []
+        for pkg_name in installed_pkgs:
+            for suffix in suffixes:
+                p_full = os.path.join(info_dir, pkg_name + suffix[0])
+                if os.path.exists(p_full):
+                    try:
+                        bb.note("Executing %s for package: %s ..." %
+                                 (suffix[1].lower(), pkg_name))
+                        subprocess.check_output(p_full, stderr=subprocess.STDOUT)
+                    except subprocess.CalledProcessError as e:
+                        bb.note("%s for package %s failed with %d:\n%s" %
+                                (suffix[1], pkg_name, e.returncode, e.output))
+                        failed_pkgs.append(pkg_name)
+                        break
+
+        if len(failed_pkgs):
+            self.mark_packages("unpacked", failed_pkgs)
+
+    def update(self):
+        os.environ['APT_CONFIG'] = self.apt_conf_file
+
+        self.deploy_dir_lock()
+
+        cmd = "%s update" % self.apt_get_cmd
+
+        try:
+            subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Unable to update the package index files. Command '%s' "
+                     "returned %d:\n%s" % (e.cmd, e.returncode, e.output))
+
+        self.deploy_dir_unlock()
+
+    def install(self, pkgs, attempt_only=False):
+        if attempt_only and len(pkgs) == 0:
+            return
+
+        os.environ['APT_CONFIG'] = self.apt_conf_file
+
+        cmd = "%s %s install --force-yes --allow-unauthenticated %s" % \
+              (self.apt_get_cmd, self.apt_args, ' '.join(pkgs))
+
+        try:
+            bb.note("Installing the following packages: %s" % ' '.join(pkgs))
+            subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
+        except subprocess.CalledProcessError as e:
+            (bb.fatal, bb.note)[attempt_only]("Unable to install packages. "
+                                              "Command '%s' returned %d:\n%s" %
+                                              (cmd, e.returncode, e.output))
+
+        # rename *.dpkg-new files/dirs
+        for root, dirs, files in os.walk(self.target_rootfs):
+            for dir in dirs:
+                new_dir = re.sub("\.dpkg-new", "", dir)
+                if dir != new_dir:
+                    os.rename(os.path.join(root, dir),
+                              os.path.join(root, new_dir))
+
+            for file in files:
+                new_file = re.sub("\.dpkg-new", "", file)
+                if file != new_file:
+                    os.rename(os.path.join(root, file),
+                              os.path.join(root, new_file))
+
+
+    def remove(self, pkgs, with_dependencies=True):
+        if with_dependencies:
+            os.environ['APT_CONFIG'] = self.apt_conf_file
+            cmd = "%s purge %s" % (self.apt_get_cmd, ' '.join(pkgs))
+        else:
+            cmd = "%s --admindir=%s/var/lib/dpkg --instdir=%s" \
+                  " -P --force-depends %s" % \
+                  (bb.utils.which(os.getenv('PATH'), "dpkg"),
+                   self.target_rootfs, self.target_rootfs, ' '.join(pkgs))
+
+        try:
+            subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Unable to remove packages. Command '%s' "
+                     "returned %d:\n%s" % (e.cmd, e.returncode, e.output))
+
+    def write_index(self):
+        self.deploy_dir_lock()
+
+        result = self.indexer.write_index()
+
+        self.deploy_dir_unlock()
+
+        if result is not None:
+            bb.fatal(result)
+
+    def insert_feeds_uris(self):
+        if self.feed_uris == "":
+            return
+
+        sources_conf = os.path.join("%s/etc/apt/sources.list"
+                                    % self.target_rootfs)
+        arch_list = []
+
+        for arch in self.all_arch_list:
+            if not os.path.exists(os.path.join(self.deploy_dir, arch)):
+                continue
+            arch_list.append(arch)
+
+        with open(sources_conf, "w+") as sources_file:
+            for uri in self.feed_uris.split():
+                full_uri = uri
+                if self.feed_prefix:
+                    full_uri = os.path.join(uri, self.feed_prefix)
+                for arch in arch_list:
+                    bb.note('Note: adding dpkg channel at (%s)' % uri)
+                    sources_file.write("deb %s/%s ./\n" %
+                                       (full_uri, arch))
+
+    def _create_configs(self, archs, base_archs):
+        base_archs = re.sub("_", "-", base_archs)
+
+        if os.path.exists(self.apt_conf_dir):
+            bb.utils.remove(self.apt_conf_dir, True)
+
+        bb.utils.mkdirhier(self.apt_conf_dir)
+        bb.utils.mkdirhier(self.apt_conf_dir + "/lists/partial/")
+        bb.utils.mkdirhier(self.apt_conf_dir + "/apt.conf.d/")
+
+        arch_list = []
+        for arch in self.all_arch_list:
+            if not os.path.exists(os.path.join(self.deploy_dir, arch)):
+                continue
+            arch_list.append(arch)
+
+        with open(os.path.join(self.apt_conf_dir, "preferences"), "w+") as prefs_file:
+            priority = 801
+            for arch in arch_list:
+                prefs_file.write(
+                    "Package: *\n"
+                    "Pin: release l=%s\n"
+                    "Pin-Priority: %d\n\n" % (arch, priority))
+
+                priority += 5
+
+            pkg_exclude = self.d.getVar('PACKAGE_EXCLUDE', True) or ""
+            for pkg in pkg_exclude.split():
+                prefs_file.write(
+                    "Package: %s\n"
+                    "Pin: release *\n"
+                    "Pin-Priority: -1\n\n" % pkg)
+
+        arch_list.reverse()
+
+        with open(os.path.join(self.apt_conf_dir, "sources.list"), "w+") as sources_file:
+            for arch in arch_list:
+                sources_file.write("deb file:%s/ ./\n" %
+                                   os.path.join(self.deploy_dir, arch))
+
+        base_arch_list = base_archs.split()
+        multilib_variants = self.d.getVar("MULTILIB_VARIANTS", True);
+        for variant in multilib_variants.split():
+            if variant == "lib32":
+                base_arch_list.append("i386")
+            elif variant == "lib64":
+                base_arch_list.append("amd64")
+
+        with open(self.apt_conf_file, "w+") as apt_conf:
+            with open(self.d.expand("${STAGING_ETCDIR_NATIVE}/apt/apt.conf.sample")) as apt_conf_sample:
+                for line in apt_conf_sample.read().split("\n"):
+                    match_arch = re.match("  Architecture \".*\";$", line)
+                    architectures = ""
+                    if match_arch:
+                        for base_arch in base_arch_list:
+                            architectures += "\"%s\";" % base_arch
+                        apt_conf.write("  Architectures {%s};\n" % architectures);
+                        apt_conf.write("  Architecture \"%s\";\n" % base_archs)
+                    else:
+                        line = re.sub("#ROOTFS#", self.target_rootfs, line)
+                        line = re.sub("#APTCONF#", self.apt_conf_dir, line)
+                        apt_conf.write(line + "\n")
+
+        target_dpkg_dir = "%s/var/lib/dpkg" % self.target_rootfs
+        bb.utils.mkdirhier(os.path.join(target_dpkg_dir, "info"))
+
+        bb.utils.mkdirhier(os.path.join(target_dpkg_dir, "updates"))
+
+        if not os.path.exists(os.path.join(target_dpkg_dir, "status")):
+            open(os.path.join(target_dpkg_dir, "status"), "w+").close()
+        if not os.path.exists(os.path.join(target_dpkg_dir, "available")):
+            open(os.path.join(target_dpkg_dir, "available"), "w+").close()
+
+    def remove_packaging_data(self):
+        bb.utils.remove(os.path.join(self.target_rootfs,
+                                     self.d.getVar('opkglibdir', True)), True)
+        bb.utils.remove(self.target_rootfs + "/var/lib/dpkg/", True)
+
+    def fix_broken_dependencies(self):
+        os.environ['APT_CONFIG'] = self.apt_conf_file
+
+        cmd = "%s %s -f install" % (self.apt_get_cmd, self.apt_args)
+
+        try:
+            subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Cannot fix broken dependencies. Command '%s' "
+                     "returned %d:\n%s" % (cmd, e.returncode, e.output))
+
+    def list_installed(self, format=None):
+        return DpkgPkgsList(self.d, self.target_rootfs).list()
+
+
+def generate_index_files(d):
+    classes = d.getVar('PACKAGE_CLASSES', True).replace("package_", "").split()
+
+    indexer_map = {
+        "rpm": (RpmIndexer, d.getVar('DEPLOY_DIR_RPM', True)),
+        "ipk": (OpkgIndexer, d.getVar('DEPLOY_DIR_IPK', True)),
+        "deb": (DpkgIndexer, d.getVar('DEPLOY_DIR_DEB', True))
+    }
+
+    result = None
+
+    for pkg_class in classes:
+        if not pkg_class in indexer_map:
+            continue
+
+        if os.path.exists(indexer_map[pkg_class][1]):
+            result = indexer_map[pkg_class][0](d, indexer_map[pkg_class][1]).write_index()
+
+            if result is not None:
+                bb.fatal(result)
+
+if __name__ == "__main__":
+    """
+    We should be able to run this as a standalone script, from outside bitbake
+    environment.
+    """
+    """
+    TBD
+    """