Branch for updates

1 files changed, 66 insertions, 0 deletions

diff --git a/tools/mdkinst_stage2_tool b/tools/mdkinst_stage2_tool
new file mode 100755
index 000000000..c1ef5d151
--- /dev/null
+++ b/tools/mdkinst_stage2_tool
@@ -0,0 +1,66 @@
+#!/bin/sh
+
+error() {
+    cat <<EOF;
+usage: mdkinst_stage2_tool [--clean] [--compress | --uncompress] <stage2 dir> [<compressed file>]
+EOF
+    exit 1
+}
+
+if [ "$1" = "--clean" ]; then
+    CLEAN=1
+    shift
+fi
+
+[ $# = 2 -o $# = 3 ] || error
+
+if [ "$1" = "--compress" -o "$1" == "--uncompress" ]; then
+    ACTION=$1
+    shift
+    STAGE2_DIR="$1"
+    shift
+    LIVE_DIR="$STAGE2_DIR/live"
+    if [ -n "$1" ]; then
+	COMPRESSED_IMAGE=$1
+	shift
+    else
+	COMPRESSED_IMAGE="$STAGE2_DIR/mdkinst.sqfs"
+    fi
+else
+    error
+fi
+
+if [ $ACTION = "--compress" ]; then
+    which mksquashfs >/dev/null 2>/dev/null || { echo "missing command mksquashfs (from squashfs-tools)"; exit 1; }
+
+    [ -d "$LIVE_DIR" ] || error
+    echo "Creating $COMPRESSED_IMAGE from $LIVE_DIR"
+    rm -f $STAGE2_DIR/.room
+    mksquashfs $LIVE_DIR $COMPRESSED_IMAGE -all-root -noappend >/dev/null || { echo "mksquashfs failed"; exit 1; }
+    chmod 755 $COMPRESSED_IMAGE
+    echo foo > $STAGE2_DIR/.room
+    if [ -s $STAGE2_DIR/.room ]; then
+	rm -f $STAGE2_DIR/.room
+	[ -n "$CLEAN" ] && rm -rf $LIVE_DIR 
+    else
+	echo "not enough space"
+	rm -f $COMPRESSED_IMAGE
+	exit 1
+    fi
+else
+    which unsquashfs >/dev/null 2>/dev/null || { echo "missing command unsquashfs (from squashfs-tools)"; exit 1; }
+
+    [ -f "$COMPRESSED_IMAGE" ] || error
+    echo "Creating $LIVE_DIR from $COMPRESSED_IMAGE"
+
+    if [ $EUID != "0" ]; then
+	SUDO="sudo"
+	PATH="/sbin:/usr/sbin:$PATH"
+    fi
+
+    unsquashfs -dest $LIVE_DIR $COMPRESSED_IMAGE || { rm -rf $LIVE_DIR; exit 1; }
+
+    [ -n "$CLEAN" ] && rm -f $COMPRESSED_IMAGE
+fi
+
+exit 0