scripts/dtc-version.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0+
   3 #
   4 # dtc-version dtc-command
   5 #
   6 # Prints the dtc version of `dtc-command' in a canonical 6-digit form
   7 # such as `010404'  for dtc 1.4.4
   8 #
   9
  10 dtc="$*"
  11
  12 if [ ${#dtc} -eq 0 ]; then
  13         echo "Error: No dtc command specified"
  14         printf "Usage:\n\t$0 <dtc-command>\n"
  15         exit 1
  16 fi
  17
  18 if ! which $dtc > /dev/null 2>&1 ; then
  19         echo "Error: Cannot find dtc: $dtc"
  20         exit 1
  21 fi
  22
  23 MAJOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 1 | tr -d v)
  24 MINOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 2)
  25 PATCH=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 3 | cut -d - -f 1)
  26
  27 printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCH