rootfs.py, package_manager.py, sdk.py: Fix building from feeds feature for opkg

When using opkg as the PM backend, one has the option to provide custom
feeds to create the rootfs from.

This commit:
 * fixes this in the refactored code;
 * moves the custom config creation code to python;
 * clean up the package-ipk.bbclass;

(From OE-Core rev: 19c538f57c8fa7c566e88a6dbe13ea4826d4f26c)

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

1 files changed, 3 insertions, 1 deletions

diff --git a/meta/lib/oe/sdk.py b/meta/lib/oe/sdk.py
index b54e51697c..518076e75d 100644
--- a/meta/lib/oe/sdk.py
+++ b/meta/lib/oe/sdk.py
@@ -216,7 +216,9 @@ class OpkgSdk(Sdk):
     def _populate_sysroot(self, pm, manifest):
         pkgs_to_install = manifest.parse_initial_manifest()
 
-        pm.write_index()
+        if (self.d.getVar('BUILD_IMAGES_FROM_FEEDS', True) or "") != "1":
+            pm.write_index()
+
         pm.update()
 
         for pkg_type in self.install_order: