initramfs: added pack_and_push.sh helper, which first uses mkinitramfs and the rsync

target/share/initramfs/pack_and_push.sh

@@ -0,0 +1,93 @@
+#!/bin/sh
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: target/share/initramfs/pack_and_push.sh
+# Copyright (C) 2008 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 ---
+
+die() { echo "ERROR: $*" >&2; exit 127; }
+
+usage() {
+	[ $# -eq 0 ] || echo "ERROR: $*"
+	cat <<-EOT
+	Usage: ${0##*/} -c <config_build> -e <config_early> [-s <suffix>] [<target>]
+	EOT
+	exit 1
+}
+
+config_build=
+config_early=
+SUFFIX=
+
+while [ $# -gt 0 ]; do
+	case "$1" in
+		-c|--cfg)
+			config_build="$2"; shift ;;
+		-e|--early)
+			config_early="$2"; shift ;;
+		-s|--suffix)
+			SUFFIX="$2"; shift ;;
+		--)
+			shift; break ;;
+		-*)
+			usage "$1: Invalid option."
+			;;
+		*)
+			break
+			;;
+	esac
+	shift
+done
+
+case "$#" in
+	0)	TARGETDIR= ;;
+	1)	TARGETDIR="$1"; shift ;;
+	*)	usage "Too many arguments." ;;
+esac
+
+[ -n "$config_build" -a -n "$config_early" ] || usage
+
+BUILD=$(grep SDECFG_ID= config/$config_build/config | cut -d"'" -f2)
+EARLY=$(grep SDECFG_ID= config/$config_early/config | cut -d"'" -f2)
+
+[ -n "$BUILD" -a -d "build/$BUILD/TOOLCHAIN" ] ||
+	die "$config_build: Invalid config."
+
+[ -n "$EARLY" -a -d "build/$EARLY/TOOLCHAIN" ] ||
+	die "$config_early: Invalid config."
+
+BUILD="build/$BUILD"
+EARLY="build/$EARLY"
+INITRD="$EARLY/TOOLCHAIN/initrd.img"
+
+KERVER=$(cd "$BUILD/boot" && ls -1 vmlinuz_* | tail -n1 | cut -d_ -f2-)
+
+[ -n "$KERVER" ] || die "$config_build: no kernel found."
+[ -s "$INITRD" ] || die "$config_early: no initrd template found."
+
+cat <<EOT
+packing: $config_build + $config_early
+EOT
+if "$BUILD/usr/sbin/mkinitramfs" -R "$BUILD" -T "$INITRD" "$KERVER"; then
+
+	vmlinuz="$BUILD/boot/vmlinuz_$KERVER"
+	initrd="$BUILD/boot/initrd-$KERVER.img"
+
+	[ -s "$vmlinuz" ] || die "\${root}/boot/vmlinuz_$KERVER: not found."
+	[ -s "$initrd" ] || die "\${root}/boot/initrd-$KERVER.img: not found."
+
+	if [ -n "$TARGETDIR" ]; then
+		echo "pushing: $TARGETDIR/vmlinuz${SUFFIX:+-$SUFFIX}"
+		rsync -ztqP "$vmlinuz" "$TARGETDIR/vmlinuz${SUFFIX:+-$SUFFIX}"
+		echo "pushing: $TARGETDIR/initrd${SUFFIX:+-$SUFFIX}.img"
+		rsync -ztqP "$initrd"  "$TARGETDIR/initrd${SUFFIX:+-$SUFFIX}.img"
+	fi
+fi