diff options
Diffstat (limited to 'tools/mdkinst_stage2_tool')
-rwxr-xr-x | tools/mdkinst_stage2_tool | 66 |
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 |