1 files changed, 58 insertions, 0 deletions

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
new file mode 100644
index 0000000000..e995265244
--- /dev/null
+++ b/meta/classes/image.bbclass
@@ -0,0 +1,58 @@
+inherit rootfs_${IMAGE_PKGTYPE}
+
+# We need to recursively follow RDEPENDS and RRECOMMENDS for images
+BUILD_ALL_DEPS = "1"
+do_rootfs[recrdeptask] = "do_package"
+
+# Images are generally built explicitly, do not need to be part of world.
+EXCLUDE_FROM_WORLD = "1"
+
+USE_DEVFS ?= "0"
+
+DEPENDS += "makedevs-native"
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+def get_image_deps(d):
+        import bb
+        str = ""
+        for type in (bb.data.getVar('IMAGE_FSTYPES', d, 1) or "").split():
+                deps = bb.data.getVar('IMAGE_DEPENDS_%s' % type, d) or ""
+                if deps:
+                        str += " %s" % deps
+        return str
+
+DEPENDS += "${@get_image_deps(d)}"
+
+IMAGE_DEVICE_TABLE ?= "${@bb.which(bb.data.getVar('BBPATH', d, 1), 'files/device_table-minimal.txt')}"
+IMAGE_POSTPROCESS_COMMAND ?= ""
+
+# 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.
+fakeroot do_rootfs () {
+        set -x
+        rm -rf ${IMAGE_ROOTFS}
+
+        if [ "${USE_DEVFS}" != "1" ]; then
+                mkdir -p ${IMAGE_ROOTFS}/dev
+                makedevs -r ${IMAGE_ROOTFS} -D ${IMAGE_DEVICE_TABLE}
+        fi
+
+        rootfs_${IMAGE_PKGTYPE}_do_rootfs
+
+        ${IMAGE_PREPROCESS_COMMAND}
+                
+        export TOPDIR=${TOPDIR}
+
+        for type in ${IMAGE_FSTYPES}; do
+                if test -z "$FAKEROOTKEY"; then
+                        fakeroot -i ${TMPDIR}/fakedb.image bbimage -t $type -e ${FILE}
+                else
+                        bbimage -n "${IMAGE_NAME}" -t "$type" -e "${FILE}"
+                fi
+
+                rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.*
+                ln -s ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$type ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.$type
+        done
+
+        ${IMAGE_POSTPROCESS_COMMAND}
+}