virtual-dsm/install.sh
2023-03-30 20:25:49 +02:00

103 lines
2.4 KiB
Bash

#!/usr/bin/env bash
set -eu
IMG="/storage"
[ ! -f "/run/server.sh" ] && echo "Script must run inside Docker container!" && exit 60
[ ! -f "$IMG/boot.img" ] && rm -f $IMG/system.img
[ -f "$IMG/system.img" ] && exit 0
echo "Install: Downloading $URL..."
TMP="$IMG/tmp"
FILE="$TMP/dsm.pat"
rm -rf $TMP && mkdir -p $TMP
wget "$URL" -O "$FILE" -q --show-progress
[ ! -f "$FILE" ] && echo "Download failed" && exit 61
SIZE=$(stat -c%s "$FILE")
if ((SIZE<250000000)); then
echo "Invalid PAT file: File is an update pack which contains no OS image." && exit 62
fi
echo "Install: Extracting downloaded system image..."
if { tar tf "$FILE"; } >/dev/null 2>&1; then
tar xpf $FILE -C $TMP/.
else
export LD_LIBRARY_PATH="/run/extract"
if ! /run/extract/syno_extract_system_patch $FILE $TMP/. ; then
echo "Invalid PAT file: File is an update pack which contains no OS image." && exit 63
fi
export LD_LIBRARY_PATH=""
fi
HDA="$TMP/hda1"
IDB="$TMP/indexdb"
HDP="$TMP/synohdpack_img"
[ ! -f "$HDA.tgz" ] && echo "Invalid PAT file: File contains no OS image." && exit 64
[ ! -f "$HDP.txz" ] && echo "Invalid PAT file: HD pack not found." && exit 65
[ ! -f "$IDB.txz" ] && echo "Invalid PAT file: IndexDB file not found." && exit 66
BOOT=$(find $TMP -name "*.bin.zip")
[ ! -f "$BOOT" ] && echo "Invalid PAT file: boot file not found." && exit 67
BOOT=$(echo "$BOOT" | head -c -5)
unzip -q -o "$BOOT".zip -d $TMP
echo "Install: Extracting prepared disk image..."
SYSTEM="$TMP/temp.img"
PLATE="/data/template.img"
rm -f $PLATE
unxz $PLATE.xz
mv -f $PLATE $SYSTEM
echo "Install: Extracting system partition..."
PRIVILEGED=false
LABEL="1.44.1-42218"
OFFSET="1048576" # 2048 * 512
NUMBLOCKS="622560" # 2550005760 / 4096
MOUNT="/mnt/tmp"
rm -rf $MOUNT && mkdir -p $MOUNT
mount -t ext4 -o loop,offset=$OFFSET $SYSTEM $MOUNT 2>/dev/null && PRIVILEGED=true
rm -rf ${MOUNT:?}/{,.[!.],..?}*
mv -f $HDA.tgz $HDA.txz
tar xpfJ $HDP.txz --absolute-names -C $MOUNT/
tar xpfJ $HDA.txz --absolute-names -C $MOUNT/
tar xpfJ $IDB.txz --absolute-names -C $MOUNT/usr/syno/synoman/indexdb/
if [ "$PRIVILEGED" = false ]; then
echo "Install: Installing system partition..."
# Workaround for containers that are not privileged to mount loop devices
mke2fs -q -t ext4 -b 4096 -d $MOUNT/ -L $LABEL -E offset=$OFFSET $SYSTEM $NUMBLOCKS
else
umount $MOUNT
fi
rm -rf $MOUNT
mv -f "$BOOT" "$IMG"/boot.img
mv -f "$SYSTEM" "$IMG"/system.img
rm -rf $TMP
exit 0