image.bbclass: remove unneeded files from the image

This patch creates a new function, rootfs_remove_unneeded(), that will
be called after rootfs_*_do_rootfs is called and which will handle
delayed postinstalls in a generic fashion, for all backends in the same
way.

(From OE-Core rev: d3d810faf8e93ce2d3faaa70da6deeb25b1cec26)

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 04db533128..380ed8e09d 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -303,6 +303,9 @@ fakeroot do_rootfs () {
 
         rootfs_${IMAGE_PKGTYPE}_do_rootfs
 
+        # remove unneeded packages/files from the final image
+        rootfs_remove_unneeded
+
         insert_feed_uris
 
         if [ "x${LDCONFIGDEPEND}" != "x" ]; then
@@ -463,6 +466,36 @@ rootfs_install_complementary() {
     fi
 }
 
+rootfs_remove_unneeded () {
+        if ${@base_contains("IMAGE_FEATURES", "package-management", "false", "true", d)}; then
+                if [ -z "$(delayed_postinsts)" ]; then
+                        # All packages were successfully configured.
+                        # update-rc.d, base-passwd, run-postinsts are no further use, remove them now
+                        remove_run_postinsts=false
+                        if [ -e ${IMAGE_ROOTFS}${sysconfdir}/init.d/run-postinsts ]; then
+                                remove_run_postinsts=true
+                        fi
+                        rootfs_remove_packages update-rc.d base-passwd ${ROOTFS_BOOTSTRAP_INSTALL}
+
+                        # Need to remove rc.d files for run-postinsts by hand since opkg won't
+                        # call postrm scripts in offline root mode.
+                        if $remove_run_postinsts; then
+                                update-rc.d -f -r ${IMAGE_ROOTFS} run-postinsts remove
+                        fi
+                else
+                        # Some packages were not successfully configured, save them only
+                        # if we have run-postinsts script present. Otherwise, they're
+                        # useless
+                        if [ -e ${IMAGE_ROOTFS}${sysconfdir}/init.d/run-postinsts ]; then
+                                save_postinsts
+                        fi
+                fi
+
+                # Since no package manager is present in the image the metadata is not needed
+                remove_packaging_data_files
+        fi
+}
+
 # set '*' as the root password so the images
 # can decide if they want it or not
 zap_root_password () {