[gnome-continuous-yocto/gnomeostree-3.28-rocko: 9/8267] ref-manual: Added new 2.1 migration misc. Change

[Emmanuele Bassi <ebassi src gnome org>]

commit ab3147e9959b9975d76d8d6956da8b736e672b5a
Author: Scott Rifenbark <srifenbark gmail com>
Date:   Tue Apr 19 21:46:04 2016 -0700

    ref-manual: Added new 2.1 migration misc. Change
    
    Lists packages removed if package-management was not in
    IMAGE_FEATURES.
    
    (From yocto-docs rev: 45768d661b800782e32b76b4fa7efa0f70cb7e47)
    
    Signed-off-by: Scott Rifenbark <srifenbark gmail com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 documentation/ref-manual/migration.xml |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/documentation/ref-manual/migration.xml b/documentation/ref-manual/migration.xml
index f3159fa..1299323 100644
--- a/documentation/ref-manual/migration.xml
+++ b/documentation/ref-manual/migration.xml
@@ -3221,6 +3221,25 @@
                     remains.
                     </para></listitem>
                 <listitem><para>
+                    Previously, the following list of packages were removed
+                    if package-management was not in
+                    <link linkend='var-IMAGE_FEATURES'><filename>IMAGE_FEATURES</filename></link>,
+                    regardless of any dependencies:
+                    <literallayout class='monospaced'>
+     update-rc.d
+     base-passwd
+     shadow
+     update-alternatives
+     run-postinsts
+                    </literallayout>
+                    With the Yocto Project 2.1 release, these packages are only
+                    removed if "read-only-rootfs" is in
+                    <filename>IMAGE_FEATURES</filename>, since they might
+                    still be needed for a read-write image even in the absence
+                    of a package manager (e.g. if users need to be added,
+                    modified, or removed at runtime).
+                    </para></listitem>
+                <listitem><para>
                     The
                     <ulink 
url='&YOCTO_DOCS_SDK_URL;#sdk-devtool-use-devtool-modify-to-modify-the-source-of-an-existing-component'><filename>devtool
 modify</filename></ulink>
                     command now defaults to extracting the source since that