target: added docker rootfs output support

target/share/docker/build.sh

@@ -0,0 +1,67 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: target/share/docker/build.sh
+# Copyright (C) 2016 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License. A copy of the
+# GNU General Public License can be found in the file COPYING.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+#Description: Build an archived rootfs for docker images
+set -e
+. $base/target/share/functions.in
+
+dockerdir="$build_toolchain/docker"
+imagelocation="$build_toolchain/rootfs" # where the roofs is prepared and compress.
+
+mkdir -p $dockerdir
+mkdir -p $imagelocation ; cd $imagelocation
+# just in case it is still there from the last run
+(umount proc ; umount dev) 2>/dev/null
+
+echo "Creating root file-system file lists ..."
+
+pkg_skip=" ccache distcc "
+for pkg in `grep '^X ' $base/config/$config/packages | cut -d ' ' -f 5`; do
+        # include the package?
+        if [ "${pkg_skip/ $pkg /}" == "$pkg_skip" ] ; then
+                cut -d ' ' -f 2 $build_root/var/adm/flists/$pkg || true
+        fi
+done | (
+        # quick and dirty filter
+        grep  -v -e 'lib/[^/]*\.a$'
+) | sort -u > ../files-wanted
+
+# for rsync with --delete we can not use file lists, since rsync does not
+# delete in that mode - instead we need to generate a negative list
+
+time find $build_root -mount -wholename $build_root/TOOLCHAIN -prune -o -printf '%P\n' |
+        sort -u > ../files-all
+# the difference
+diff -u ../files-all ../files-wanted |
+sed -n -e '/var\/adm\/olist/d' -e '/var\/adm\/logs/d' \
+       -e '/var\/adm\/dep-debug/d' -e '/var\/adm\/cache/d' -e 's/^-//p' > ../files-exclude
+echo "proc/*
+dev/*
+*/share/doc/*
+var/adm/olist
+var/adm/logs
+var/adm/dep-debug
+var/adm/cache" >> ../files-exclude
+
+echo "Syncing root file-system (this may take some time) ..."
+[ -e $imagelocation/bin ] && v="-v" || v=
+time rsync -artH $v --delete --exclude-from ../files-exclude \
+      --exclude TOOLCHAIN --delete-excluded $build_root/ $imagelocation/
+rm ../files-{wanted,all,exclude}
+
+echo "Creating root file-system (this may take some time) ..."
+cd $dockerdir
+time tar -cjvf rootfs.tar.bz2 -C $imagelocation .
+
+echo_status "Done!"