* introduced 'initrd' target output format to create

build/${SDECFG_ID}/TOOLCHAIN/initrd.img (cpio.gz) considering
	  what was built on stage 1.
	  


git-svn-id: svn://svn.opensde.net/opensde/opensde/trunk@21054 10447126-35f2-4685-b0cf-6dd780d3921f

target/share/initrd/build.sh

@@ -0,0 +1,52 @@
+#Description: Initial ramdisk (initrd)
+
+initrddir="$build_toolchain/initrd"
+
+rm -rf "$initrddir"
+mkdir -p "$initrddir"
+
+INITRD_POSTFLIST_HOOK=""
+INITRD_FLIST_PATTERN="-e '/\.\(h\|o\|a\|la\)$/d;' -e '/ usr\/share\/\(doc\|info\|man\)\//d;'"
+INITRD_EMPTY_PATTERN="-e '/\/lib\/udev\/devices\//d;'"
+
+# source target specific code
+#
+if [ -f target/$target/build-initrd.in ]; then
+	. target/$target/build-initrd.in
+fi
+
+# install what was flisted for stage 1 packages, use $INITRD_FLIST_PATTERN to skip files
+#
+echo_status "Populating ${initrddir#$base/} ..."
+for pkg_name in $( grep '^X .1' $base/config/$config/packages | cut -d' ' -f5 ); do
+	echo_status "- $pkg_name"
+	flist="build/${SDECFG_ID}/var/adm/flists/$pkg_name"
+
+	eval "sed -e '/ var\/adm/ d;' $INITRD_FLIST_PATTERN '$flist'" | cut -f2- -d' ' |
+		tar -C "build/${SDECFG_ID}/" -cf- --no-recursion --files-from=- |
+		tar -C "$initrddir" -xf-
+done
+
+# hook
+#
+[ -z "$INITRD_POSTFLIST" ] || eval "$INITRD_POSTFLIST"
+
+# remove empty folder, use $INITRD_EMPTY_PATTERN to skip folders
+#
+echo_status "Removing empty folders ..."
+find "$initrddir" -type d | tac | eval "sed -e '/\/dev\$/d;' $INITRD_EMPTY_PATTERN" | while read folder; do
+	count=$( find "$folder" | wc -l )
+
+	if [ $count -eq 1 ]; then
+		rm -r "$folder"
+		#echo_status "- ${folder#$initrddir} deleted."
+	fi
+done
+
+echo_status "Expanded size: $( du -sh "$initrddir" | cut -f1)."
+
+echo_status "Creating ${initrddir#$base/}.img ..."
+( cd "$initrddir"; find * | cpio -o -H newc ) |
+	gzip -c -9 > "$initrddir.img"
+
+echo_status "Image size: $( du -sh "$initrddir.img" | cut -f1)."