1 files changed, 448 insertions, 0 deletions

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
new file mode 100644
index 0000000000..1c0fda7d60
--- /dev/null
+++ b/meta/classes/image.bbclass
@@ -0,0 +1,448 @@
+inherit rootfs_${IMAGE_PKGTYPE}
+
+inherit populate_sdk_base
+
+TOOLCHAIN_TARGET_TASK += "${PACKAGE_INSTALL}"
+TOOLCHAIN_TARGET_TASK_ATTEMPTONLY += "${PACKAGE_INSTALL_ATTEMPTONLY}"
+POPULATE_SDK_POST_TARGET_COMMAND += "rootfs_sysroot_relativelinks; "
+
+inherit gzipnative
+
+LICENSE = "MIT"
+PACKAGES = ""
+DEPENDS += "${MLPREFIX}qemuwrapper-cross ${MLPREFIX}depmodwrapper-cross"
+RDEPENDS += "${PACKAGE_INSTALL} ${LINGUAS_INSTALL}"
+RRECOMMENDS += "${PACKAGE_INSTALL_ATTEMPTONLY}"
+
+INHIBIT_DEFAULT_DEPS = "1"
+
+TESTIMAGECLASS = "${@base_conditional('TEST_IMAGE', '1', 'testimage-auto', '', d)}"
+inherit ${TESTIMAGECLASS}
+
+# IMAGE_FEATURES may contain any available package group
+IMAGE_FEATURES ?= ""
+IMAGE_FEATURES[type] = "list"
+IMAGE_FEATURES[validitems] += "debug-tweaks read-only-rootfs"
+
+# rootfs bootstrap install
+ROOTFS_BOOTSTRAP_INSTALL = "${@bb.utils.contains("IMAGE_FEATURES", "package-management", "", "${ROOTFS_PKGMANAGE_BOOTSTRAP}",d)}"
+
+# packages to install from features
+FEATURE_INSTALL = "${@' '.join(oe.packagegroup.required_packages(oe.data.typed_value('IMAGE_FEATURES', d), d))}"
+FEATURE_INSTALL_OPTIONAL = "${@' '.join(oe.packagegroup.optional_packages(oe.data.typed_value('IMAGE_FEATURES', d), d))}"
+
+# Define some very basic feature package groups
+FEATURE_PACKAGES_package-management = "${ROOTFS_PKGMANAGE}"
+SPLASH ?= "psplash"
+FEATURE_PACKAGES_splash = "${SPLASH}"
+
+IMAGE_INSTALL_COMPLEMENTARY = '${@complementary_globs("IMAGE_FEATURES", d)}'
+
+def check_image_features(d):
+    valid_features = (d.getVarFlag('IMAGE_FEATURES', 'validitems', True) or "").split()
+    valid_features += d.getVarFlags('COMPLEMENTARY_GLOB').keys()
+    for var in d:
+       if var.startswith("PACKAGE_GROUP_"):
+           bb.warn("PACKAGE_GROUP is deprecated, please use FEATURE_PACKAGES instead")
+           valid_features.append(var[14:])
+       elif var.startswith("FEATURE_PACKAGES_"):
+           valid_features.append(var[17:])
+    valid_features.sort()
+
+    features = set(oe.data.typed_value('IMAGE_FEATURES', d))
+    for feature in features:
+        if feature not in valid_features:
+            bb.fatal("'%s' in IMAGE_FEATURES is not a valid image feature. Valid features: %s" % (feature, ' '.join(valid_features)))
+
+IMAGE_INSTALL ?= ""
+IMAGE_INSTALL[type] = "list"
+export PACKAGE_INSTALL ?= "${IMAGE_INSTALL} ${ROOTFS_BOOTSTRAP_INSTALL} ${FEATURE_INSTALL}"
+PACKAGE_INSTALL_ATTEMPTONLY ?= "${FEATURE_INSTALL_OPTIONAL}"
+
+# Images are generally built explicitly, do not need to be part of world.
+EXCLUDE_FROM_WORLD = "1"
+
+USE_DEVFS ?= "1"
+
+PID = "${@os.getpid()}"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+LDCONFIGDEPEND ?= "ldconfig-native:do_populate_sysroot"
+LDCONFIGDEPEND_libc-uclibc = ""
+LDCONFIGDEPEND_libc-musl = ""
+
+do_rootfs[depends] += "makedevs-native:do_populate_sysroot virtual/fakeroot-native:do_populate_sysroot ${LDCONFIGDEPEND}"
+do_rootfs[depends] += "virtual/update-alternatives-native:do_populate_sysroot update-rc.d-native:do_populate_sysroot"
+do_rootfs[recrdeptask] += "do_packagedata"
+
+def command_variables(d):
+    return ['ROOTFS_POSTPROCESS_COMMAND','ROOTFS_PREPROCESS_COMMAND','ROOTFS_POSTINSTALL_COMMAND','OPKG_PREPROCESS_COMMANDS','OPKG_POSTPROCESS_COMMANDS','IMAGE_POSTPROCESS_COMMAND',
+            'IMAGE_PREPROCESS_COMMAND','ROOTFS_POSTPROCESS_COMMAND','POPULATE_SDK_POST_HOST_COMMAND','POPULATE_SDK_POST_TARGET_COMMAND','SDK_POSTPROCESS_COMMAND','RPM_PREPROCESS_COMMANDS',         
+            'RPM_POSTPROCESS_COMMANDS']
+
+python () {
+    variables = command_variables(d)
+    for var in variables:
+        if d.getVar(var):
+            d.setVarFlag(var, 'func', '1')
+}
+
+def rootfs_variables(d):
+    from oe.rootfs import variable_depends
+    variables = ['IMAGE_DEVICE_TABLES','BUILD_IMAGES_FROM_FEEDS','IMAGE_TYPEDEP_','IMAGE_TYPES_MASKED','IMAGE_ROOTFS_ALIGNMENT','IMAGE_OVERHEAD_FACTOR','IMAGE_ROOTFS_SIZE','IMAGE_ROOTFS_EXTRA_SPACE',
+                 'IMAGE_ROOTFS_MAXSIZE','IMAGE_NAME','IMAGE_LINK_NAME','IMAGE_MANIFEST','DEPLOY_DIR_IMAGE','RM_OLD_IMAGE','IMAGE_FSTYPES','IMAGE_INSTALL_COMPLEMENTARY','IMAGE_LINGUAS','SDK_OS',
+                 'SDK_OUTPUT','SDKPATHNATIVE','SDKTARGETSYSROOT','SDK_DIR','SDK_VENDOR','SDKIMAGE_INSTALL_COMPLEMENTARY','SDK_PACKAGE_ARCHS','SDK_OUTPUT','SDKTARGETSYSROOT','MULTILIBRE_ALLOW_REP',
+                 'MULTILIB_TEMP_ROOTFS','MULTILIB_VARIANTS','MULTILIBS','ALL_MULTILIB_PACKAGE_ARCHS','MULTILIB_GLOBAL_VARIANTS','BAD_RECOMMENDATIONS','NO_RECOMMENDATIONS','PACKAGE_ARCHS',
+                 'PACKAGE_CLASSES','TARGET_VENDOR','TARGET_VENDOR','TARGET_ARCH','TARGET_OS','OVERRIDES','BBEXTENDVARIANT','FEED_DEPLOYDIR_BASE_URI','INTERCEPT_DIR','BUILDNAME','USE_DEVFS',
+                 'STAGING_KERNEL_DIR','COMPRESSIONTYPES']
+    variables.extend(command_variables(d))
+    variables.extend(variable_depends(d))
+    return " ".join(variables)
+
+do_rootfs[vardeps] += "${@rootfs_variables(d)}"
+
+do_build[depends] += "virtual/kernel:do_deploy"
+
+def build_live(d):
+    if bb.utils.contains("IMAGE_FSTYPES", "live", "live", "0", d) == "0": # live is not set but hob might set iso or hddimg
+        d.setVar('NOISO', bb.utils.contains('IMAGE_FSTYPES', "iso", "0", "1", d))
+        d.setVar('NOHDD', bb.utils.contains('IMAGE_FSTYPES', "hddimg", "0", "1", d))
+        if d.getVar('NOISO', True) == "0" or d.getVar('NOHDD', True) == "0":
+            return "image-live"
+        return ""
+    return "image-live"
+
+IMAGE_TYPE_live = "${@build_live(d)}"
+
+inherit ${IMAGE_TYPE_live}
+IMAGE_TYPE_vmdk = '${@bb.utils.contains("IMAGE_FSTYPES", "vmdk", "image-vmdk", "", d)}'
+inherit ${IMAGE_TYPE_vmdk}
+
+python () {
+    deps = " " + imagetypes_getdepends(d)
+    d.appendVarFlag('do_rootfs', 'depends', deps)
+
+    deps = ""
+    for dep in (d.getVar('EXTRA_IMAGEDEPENDS', True) or "").split():
+        deps += " %s:do_populate_sysroot" % dep
+    d.appendVarFlag('do_build', 'depends', deps)
+
+    #process IMAGE_FEATURES, we must do this before runtime_mapping_rename
+    #Check for replaces image features
+    features = set(oe.data.typed_value('IMAGE_FEATURES', d))
+    remain_features = features.copy()
+    for feature in features:
+        replaces = set((d.getVar("IMAGE_FEATURES_REPLACES_%s" % feature, True) or "").split())
+        remain_features -= replaces
+
+    #Check for conflict image features
+    for feature in remain_features:
+        conflicts = set((d.getVar("IMAGE_FEATURES_CONFLICTS_%s" % feature, True) or "").split())
+        temp = conflicts & remain_features
+        if temp:
+            bb.fatal("%s contains conflicting IMAGE_FEATURES %s %s" % (d.getVar('PN', True), feature, ' '.join(list(temp))))
+
+    d.setVar('IMAGE_FEATURES', ' '.join(list(remain_features)))
+
+    check_image_features(d)
+    initramfs_image = d.getVar('INITRAMFS_IMAGE', True) or ""
+    if initramfs_image != "":
+        d.appendVarFlag('do_build', 'depends', " %s:do_bundle_initramfs" %  d.getVar('PN', True))
+        d.appendVarFlag('do_bundle_initramfs', 'depends', " %s:do_rootfs" % initramfs_image)
+}
+
+IMAGE_CLASSES += "image_types"
+inherit ${IMAGE_CLASSES}
+
+IMAGE_POSTPROCESS_COMMAND ?= ""
+MACHINE_POSTPROCESS_COMMAND ?= ""
+# Allow dropbear/openssh to accept logins from accounts with an empty password string if debug-tweaks is enabled
+ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "debug-tweaks", "ssh_allow_empty_password; ", "",d)}'
+# Enable postinst logging if debug-tweaks is enabled
+ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "debug-tweaks", "postinst_enable_logging; ", "",d)}'
+# Write manifest
+IMAGE_MANIFEST = "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.manifest"
+ROOTFS_POSTPROCESS_COMMAND =+ "write_image_manifest ; "
+# Set default postinst log file
+POSTINST_LOGFILE ?= "${localstatedir}/log/postinstall.log"
+# Set default target for systemd images
+SYSTEMD_DEFAULT_TARGET ?= '${@bb.utils.contains("IMAGE_FEATURES", "x11-base", "graphical.target", "multi-user.target", d)}'
+ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("DISTRO_FEATURES", "systemd", "set_systemd_default_target; ", "", d)}'
+
+# some default locales
+IMAGE_LINGUAS ?= "de-de fr-fr en-gb"
+
+LINGUAS_INSTALL ?= "${@" ".join(map(lambda s: "locale-base-%s" % s, d.getVar('IMAGE_LINGUAS', True).split()))}"
+
+# Prefer image, but use the fallback files for lookups if the image ones
+# aren't yet available.
+PSEUDO_PASSWD = "${IMAGE_ROOTFS}:${STAGING_DIR_NATIVE}"
+
+do_rootfs[dirs] = "${TOPDIR}"
+do_rootfs[lockfiles] += "${IMAGE_ROOTFS}.lock"
+do_rootfs[cleandirs] += "${S}"
+
+# Must call real_do_rootfs() from inside here, rather than as a separate
+# task, so that we have a single fakeroot context for the whole process.
+do_rootfs[umask] = "022"
+
+# A hook function to support read-only-rootfs IMAGE_FEATURES
+# Currently, it only supports sysvinit system.
+read_only_rootfs_hook () {
+        # Tweak the mount option and fs_passno for rootfs in fstab
+        sed -i -e '/^[#[:space:]]*\/dev\/root/{s/defaults/ro/;s/\([[:space:]]*[[:digit:]]\)\([[:space:]]*\)[[:digit:]]$/\1\20/}' ${IMAGE_ROOTFS}/etc/fstab
+
+        if ${@bb.utils.contains("DISTRO_FEATURES", "sysvinit", "true", "false", d)}; then
+                # Change the value of ROOTFS_READ_ONLY in /etc/default/rcS to yes
+                if [ -e ${IMAGE_ROOTFS}/etc/default/rcS ]; then
+                        sed -i 's/ROOTFS_READ_ONLY=no/ROOTFS_READ_ONLY=yes/' ${IMAGE_ROOTFS}/etc/default/rcS
+                fi
+                # Run populate-volatile.sh at rootfs time to set up basic files
+                # and directories to support read-only rootfs.
+                if [ -x ${IMAGE_ROOTFS}/etc/init.d/populate-volatile.sh ]; then
+                        ${IMAGE_ROOTFS}/etc/init.d/populate-volatile.sh
+                fi
+                # If we're using openssh and the /etc/ssh directory has no pre-generated keys,
+                # we should configure openssh to use the configuration file /etc/ssh/sshd_config_readonly
+                # and the keys under /var/run/ssh.
+                if [ -d ${IMAGE_ROOTFS}/etc/ssh ]; then
+                        if [ -e ${IMAGE_ROOTFS}/etc/ssh/ssh_host_rsa_key ]; then
+                                echo "SYSCONFDIR=/etc/ssh" >> ${IMAGE_ROOTFS}/etc/default/ssh
+                                echo "SSHD_OPTS=" >> ${IMAGE_ROOTFS}/etc/default/ssh
+                        else
+                                echo "SYSCONFDIR=/var/run/ssh" >> ${IMAGE_ROOTFS}/etc/default/ssh
+                                echo "SSHD_OPTS='-f /etc/ssh/sshd_config_readonly'" >> ${IMAGE_ROOTFS}/etc/default/ssh
+                        fi
+                fi
+        fi
+
+        if ${@bb.utils.contains("DISTRO_FEATURES", "systemd", "true", "false", d)}; then
+            # Update user database files so that services don't fail for a read-only systemd system
+            for conffile in ${IMAGE_ROOTFS}/usr/lib/sysusers.d/systemd.conf ${IMAGE_ROOTFS}/usr/lib/sysusers.d/systemd-remote.conf; do
+                [ -e $conffile ] || continue
+                grep -v "^#" $conffile | sed -e '/^$/d' | while read type name id comment; do
+                    if [ "$type" = "u" ]; then
+                        useradd_params=""
+                        [ "$id" != "-" ] && useradd_params="$useradd_params --uid $id"
+                        [ "$comment" != "-" ] && useradd_params="$useradd_params --comment $comment"
+                        useradd_params="$useradd_params --system $name"
+                        eval useradd --root ${IMAGE_ROOTFS} $useradd_params || true
+                    elif [ "$type" = "g" ]; then
+                        groupadd_params=""
+                        [ "$id" != "-" ] && groupadd_params="$groupadd_params --gid $id"
+                        groupadd_params="$groupadd_params --system $name"
+                        eval groupadd --root ${IMAGE_ROOTFS} $groupadd_params || true
+                    fi
+                done
+            done
+        fi
+}
+
+PACKAGE_EXCLUDE ??= ""
+PACKAGE_EXCLUDE[type] = "list"
+
+python rootfs_process_ignore() {
+    excl_pkgs = d.getVar("PACKAGE_EXCLUDE", True).split()
+    inst_pkgs = d.getVar("PACKAGE_INSTALL", True).split()
+    inst_attempt_pkgs = d.getVar("PACKAGE_INSTALL_ATTEMPTONLY", True).split()
+
+    d.setVar('PACKAGE_INSTALL_ORIG', ' '.join(inst_pkgs))
+    d.setVar('PACKAGE_INSTALL_ATTEMPTONLY', ' '.join(inst_attempt_pkgs))
+
+    for pkg in excl_pkgs:
+        if pkg in inst_pkgs:
+            bb.warn("Package %s, set to be excluded, is in %s PACKAGE_INSTALL (%s).  It will be removed from the list." % (pkg, d.getVar('PN', True), inst_pkgs))
+            inst_pkgs.remove(pkg)
+
+        if pkg in inst_attempt_pkgs:
+            bb.warn("Package %s, set to be excluded, is in %s PACKAGE_INSTALL_ATTEMPTONLY (%s).  It will be removed from the list." % (pkg, d.getVar('PN', True), inst_pkgs))
+            inst_attempt_pkgs.remove(pkg)
+
+    d.setVar("PACKAGE_INSTALL", ' '.join(inst_pkgs))
+    d.setVar("PACKAGE_INSTALL_ATTEMPTONLY", ' '.join(inst_attempt_pkgs))
+}
+do_rootfs[prefuncs] += "rootfs_process_ignore"
+
+# We have to delay the runtime_mapping_rename until just before rootfs runs
+# otherwise, the multilib renaming could step in and squash any fixups that
+# may have occurred.
+python rootfs_runtime_mapping() {
+    pn = d.getVar('PN', True)
+    runtime_mapping_rename("PACKAGE_INSTALL", pn, d)
+    runtime_mapping_rename("PACKAGE_INSTALL_ATTEMPTONLY", pn, d)
+    runtime_mapping_rename("BAD_RECOMMENDATIONS", pn, d)
+}
+do_rootfs[prefuncs] += "rootfs_runtime_mapping"
+
+fakeroot python do_rootfs () {
+    from oe.rootfs import create_rootfs
+    from oe.image import create_image
+    from oe.manifest import create_manifest
+
+    # generate the initial manifest
+    create_manifest(d)
+
+    # generate rootfs
+    create_rootfs(d)
+
+    # generate final images
+    create_image(d)
+}
+
+insert_feed_uris () {
+        
+        echo "Building feeds for [${DISTRO}].."
+
+        for line in ${FEED_URIS}
+        do
+                # strip leading and trailing spaces/tabs, then split into name and uri
+                line_clean="`echo "$line"|sed 's/^[ \t]*//;s/[ \t]*$//'`"
+                feed_name="`echo "$line_clean" | sed -n 's/\(.*\)##\(.*\)/\1/p'`"
+                feed_uri="`echo "$line_clean" | sed -n 's/\(.*\)##\(.*\)/\2/p'`"
+                
+                echo "Added $feed_name feed with URL $feed_uri"
+                
+                # insert new feed-sources
+                echo "src/gz $feed_name $feed_uri" >> ${IMAGE_ROOTFS}/etc/opkg/${feed_name}-feed.conf
+        done
+}
+
+MULTILIBRE_ALLOW_REP =. "${base_bindir}|${base_sbindir}|${bindir}|${sbindir}|${libexecdir}|${sysconfdir}|${nonarch_base_libdir}/udev|/lib/modules/[^/]*/modules.*|"
+MULTILIB_CHECK_FILE = "${WORKDIR}/multilib_check.py"
+MULTILIB_TEMP_ROOTFS = "${WORKDIR}/multilib"
+
+# This function is intended to disallow empty root password if 'debug-tweaks' is not in IMAGE_FEATURES.
+zap_empty_root_password () {
+        if [ -e ${IMAGE_ROOTFS}/etc/shadow ]; then
+                sed -i 's%^root::%root:*:%' ${IMAGE_ROOTFS}/etc/shadow
+        elif [ -e ${IMAGE_ROOTFS}/etc/passwd ]; then
+                sed -i 's%^root::%root:*:%' ${IMAGE_ROOTFS}/etc/passwd
+        fi
+} 
+
+# allow dropbear/openssh to accept root logins and logins from accounts with an empty password string
+ssh_allow_empty_password () {
+        if [ -e ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config ]; then
+                sed -i 's/^[#[:space:]]*PermitRootLogin.*/PermitRootLogin yes/' ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config
+                sed -i 's/^[#[:space:]]*PermitEmptyPasswords.*/PermitEmptyPasswords yes/' ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config
+        fi
+
+        if [ -e ${IMAGE_ROOTFS}${sbindir}/dropbear ] ; then
+                if grep -q DROPBEAR_EXTRA_ARGS ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear 2>/dev/null ; then
+                        if ! grep -q "DROPBEAR_EXTRA_ARGS=.*-B" ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear ; then
+                                sed -i 's/^DROPBEAR_EXTRA_ARGS="*\([^"]*\)"*/DROPBEAR_EXTRA_ARGS="\1 -B"/' ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear
+                        fi
+                else
+                        printf '\nDROPBEAR_EXTRA_ARGS="-B"\n' >> ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear
+                fi
+        fi
+
+        if [ -d ${IMAGE_ROOTFS}${sysconfdir}/pam.d ] ; then
+                sed -i 's/nullok_secure/nullok/' ${IMAGE_ROOTFS}${sysconfdir}/pam.d/*
+        fi
+}
+
+# Disable DNS lookups, the SSH_DISABLE_DNS_LOOKUP can be overridden to allow
+# distros to choose not to take this change
+SSH_DISABLE_DNS_LOOKUP ?= " ssh_disable_dns_lookup ; "
+ROOTFS_POSTPROCESS_COMMAND_append_qemuall = "${SSH_DISABLE_DNS_LOOKUP}"
+ssh_disable_dns_lookup () {
+        if [ -e ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config ]; then
+                sed -i -e 's:#UseDNS yes:UseDNS no:' ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config
+        fi
+}
+
+# Enable postinst logging if debug-tweaks is enabled
+postinst_enable_logging () {
+        mkdir -p ${IMAGE_ROOTFS}${sysconfdir}/default
+        echo "POSTINST_LOGGING=1" >> ${IMAGE_ROOTFS}${sysconfdir}/default/postinst
+        echo "LOGFILE=${POSTINST_LOGFILE}" >> ${IMAGE_ROOTFS}${sysconfdir}/default/postinst
+}
+
+# Modify systemd default target
+set_systemd_default_target () {
+        if [ -d ${IMAGE_ROOTFS}${sysconfdir}/systemd/system -a -e ${IMAGE_ROOTFS}${systemd_unitdir}/system/${SYSTEMD_DEFAULT_TARGET} ]; then
+                ln -sf ${systemd_unitdir}/system/${SYSTEMD_DEFAULT_TARGET} ${IMAGE_ROOTFS}${sysconfdir}/systemd/system/default.target
+        fi
+}
+
+# Turn any symbolic /sbin/init link into a file
+remove_init_link () {
+        if [ -h ${IMAGE_ROOTFS}/sbin/init ]; then
+                LINKFILE=${IMAGE_ROOTFS}`readlink ${IMAGE_ROOTFS}/sbin/init`
+                rm ${IMAGE_ROOTFS}/sbin/init
+                cp $LINKFILE ${IMAGE_ROOTFS}/sbin/init
+        fi
+}
+
+make_zimage_symlink_relative () {
+        if [ -L ${IMAGE_ROOTFS}/boot/zImage ]; then
+                (cd ${IMAGE_ROOTFS}/boot/ && for i in `ls zImage-* | sort`; do ln -sf $i zImage; done)
+        fi
+}
+
+python write_image_manifest () {
+    from oe.rootfs import image_list_installed_packages
+    with open(d.getVar('IMAGE_MANIFEST', True), 'w+') as image_manifest:
+        image_manifest.write(image_list_installed_packages(d, 'ver'))
+}
+
+# Make login manager(s) enable automatic login.
+# Useful for devices where we do not want to log in at all (e.g. phones)
+set_image_autologin () {
+        sed -i 's%^AUTOLOGIN=\"false"%AUTOLOGIN="true"%g' ${IMAGE_ROOTFS}/etc/sysconfig/gpelogin
+}
+
+# Can be use to create /etc/timestamp during image construction to give a reasonably 
+# sane default time setting
+rootfs_update_timestamp () {
+        date -u +%4Y%2m%2d%2H%2M%2S >${IMAGE_ROOTFS}/etc/timestamp
+}
+
+# Prevent X from being started
+rootfs_no_x_startup () {
+        if [ -f ${IMAGE_ROOTFS}/etc/init.d/xserver-nodm ]; then
+                chmod a-x ${IMAGE_ROOTFS}/etc/init.d/xserver-nodm
+        fi
+}
+
+rootfs_trim_schemas () {
+        for schema in ${IMAGE_ROOTFS}/etc/gconf/schemas/*.schemas
+        do
+                # Need this in case no files exist
+                if [ -e $schema ]; then
+                        oe-trim-schemas $schema > $schema.new
+                        mv $schema.new $schema
+                fi
+        done
+}
+
+# Make any absolute links in a sysroot relative
+rootfs_sysroot_relativelinks () {
+        sysroot-relativelinks.py ${SDK_OUTPUT}/${SDKTARGETSYSROOT}
+}
+
+do_fetch[noexec] = "1"
+do_unpack[noexec] = "1"
+do_patch[noexec] = "1"
+do_configure[noexec] = "1"
+do_compile[noexec] = "1"
+do_install[noexec] = "1"
+do_populate_sysroot[noexec] = "1"
+do_package[noexec] = "1"
+do_package_qa[noexec] = "1"
+do_packagedata[noexec] = "1"
+do_package_write_ipk[noexec] = "1"
+do_package_write_deb[noexec] = "1"
+do_package_write_rpm[noexec] = "1"
+
+addtask rootfs before do_build
+# Allow the kernel to be repacked with the initramfs and boot image file as a single file
+do_bundle_initramfs[depends] += "virtual/kernel:do_bundle_initramfs"
+do_bundle_initramfs[nostamp] = "1"
+do_bundle_initramfs[noexec] = "1"
+do_bundle_initramfs () {
+        :
+}
+addtask bundle_initramfs after do_rootfs