Colors in log

if [ ! -f "${RDC}" ]; then

  RD="$TMP/rd.gz"

  echo "Install: Downloading installer..." 

  info "Install: Downloading installer..." 

  LOC="$DL/release/7.0.1/42218/DSM_VirtualDSM_42218.pat"

  { curl -r 65627648-71021836 -sfk -o "$RD" "$LOC"; rc=$?; } || :

  (( rc != 0 )) && echo "ERROR: Failed to download $LOC, reason: $rc" && exit 60

  (( rc != 0 )) && error "Failed to download $LOC, reason: $rc" && exit 60

  SUM=$(md5sum "$RD" | cut -f 1 -d " ")

  if [ "$SUM" != "ab399db750f88ac7aa88f608f2b8651c" ]; then

    echo "ERROR: Invalid download location (checksum $SUM)" && exit 61

    error "Invalid download location (checksum $SUM)" && exit 61

  fi

  cp "$RD" "$RDC"

rm -rf "$TMP" && mkdir -p "$TMP"

echo "Install: Downloading $(basename "$URL")..."

info "Install: Downloading $(basename "$URL")..."

PAT="/$BASE.pat"

rm -f "$PAT"

fi

{ wget "$URL" -O "$PAT" -q --no-check-certificate --show-progress "$PROGRESS"; rc=$?; } || :

(( rc != 0 )) && echo "ERROR: Failed to download $URL, reason: $rc" && exit 69

(( rc != 0 )) && error "Failed to download $URL, reason: $rc" && exit 69

[ ! -f "$PAT" ] && echo "ERROR: Failed to download $URL" && exit 69

[ ! -f "$PAT" ] && error "Failed to download $URL" && exit 69

SIZE=$(stat -c%s "$PAT")

if ((SIZE<250000000)); then

  echo "ERROR: Invalid PAT file: File is an update pack which contains no OS image." && exit 62

  error "Invalid PAT file: File is an update pack which contains no OS image." && exit 62

fi

echo "Install: Extracting downloaded image..."

info "Install: Extracting downloaded image..."

if { tar tf "$PAT"; } >/dev/null 2>&1; then

   tar xpf "$PAT" -C "$TMP/."

else

   export LD_LIBRARY_PATH="/run/extract"

   if ! /run/extract/syno_extract_system_patch "$PAT" "$TMP/." ; then

     echo "ERROR: Invalid PAT file: File is an update pack which contains no OS image." && exit 63

     error "Invalid PAT file: File is an update pack which contains no OS image." && exit 63

   fi

   export LD_LIBRARY_PATH=""

fi

PKG="$TMP/packages"

HDP="$TMP/synohdpack_img"

[ ! -f "$HDA.tgz" ] && echo "ERROR: Invalid PAT file: contains no OS image." && exit 64

[ ! -f "$HDP.txz" ] && echo "ERROR: Invalid PAT file: contains no HD pack." && exit 65

[ ! -f "$IDB.txz" ] && echo "ERROR: Invalid PAT file: contains no IndexDB." && exit 66

[ ! -d "$PKG" ] && echo "ERROR: Invalid PAT file: contains no packages." && exit 68

[ ! -f "$HDA.tgz" ] && error "Invalid PAT file: contains no OS image." && exit 64

[ ! -f "$HDP.txz" ] && error "Invalid PAT file: contains no HD pack." && exit 65

[ ! -f "$IDB.txz" ] && error "Invalid PAT file: contains no IndexDB." && exit 66

[ ! -d "$PKG" ] && error "Invalid PAT file: contains no packages." && exit 68

BOOT=$(find "$TMP" -name "*.bin.zip")

[ ! -f "$BOOT" ] && echo "ERROR: Invalid PAT file: contains no boot file." && exit 67

[ ! -f "$BOOT" ] && error "Invalid PAT file: contains no boot file." && exit 67

BOOT=$(echo "$BOOT" | head -c -5)

unzip -q -o "$BOOT".zip -d "$TMP"

[[ "${ALLOCATE}" == [Zz]* ]] && echo "Install: Allocating diskspace..."

[[ "${ALLOCATE}" == [Zz]* ]] && info "Install: Allocating diskspace..."

SYSTEM="$TMP/sys.img"

SYSTEM_SIZE=4954537983

SPACE=$(df --output=avail -B 1 "$TMP" | tail -n 1)

if (( SYSTEM_SIZE > SPACE )); then

  echo "ERROR: Not enough free space to create a 4 GB system disk." && exit 87

  error "Not enough free space to create a 4 GB system disk." && exit 87

fi

if ! fallocate -l "${SYSTEM_SIZE}" "${SYSTEM}"; then

  rm -f "${SYSTEM}"

  echo "ERROR: Could not allocate a file for the system disk." && exit 88

  error "Could not allocate a file for the system disk." && exit 88

fi

if [[ "${ALLOCATE}" == [Zz]* ]]; then

  echo "Install: Preallocating 4 GB of diskspace..."

  info "Install: Preallocating 4 GB of diskspace..."

  dd if=/dev/urandom of="${SYSTEM}" count="${SYSTEM_SIZE}" bs=1M iflag=count_bytes status=none

fi

# Check if file exists

if [ ! -f "${SYSTEM}" ]; then

    echo "ERROR: System disk does not exist ($SYSTEM)" && exit 89

    error "System disk does not exist ($SYSTEM)" && exit 89

fi

# Check the filesize

if [[ SIZE -ne SYSTEM_SIZE ]]; then

  rm -f "${SYSTEM}"

  echo "ERROR: System disk has the wrong size: ${SIZE}" && exit 90

  error "System disk has the wrong size: ${SIZE}" && exit 90

fi

PART="$TMP/partition.fdisk"

sfdisk -q "$SYSTEM" < "$PART"

echo "Install: Extracting system partition..."

info "Install: Extracting system partition..."

MOUNT="$TMP/system"

# Store agent version

echo "7" > "$STORAGE"/"$BASE".agent

echo "Install: Installing system partition..."

info "Install: Installing system partition..."

LABEL="1.44.1-42218"

OFFSET="1048576" # 2048 * 512