llvm/utils/release/get-llvm-version.sh

   1 #!/usr/bin/env bash
   2 #===-- get-llvm-version.sh - Get LLVM Version from sources -----------------===#
   3 #
   4 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 # See https://llvm.org/LICENSE.txt for license information.
   6 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 #
   8 #===------------------------------------------------------------------------===#
   9 #
  10 # Extract the current LLVM version from the CMake files.
  11 #
  12 #===------------------------------------------------------------------------===#
  13
  14 cmake_file=$(dirname $0)/../../../cmake/Modules/LLVMVersion.cmake
  15 function usage() {
  16     echo "usage: `basename $0`"
  17     echo ""
  18     echo "Calling this script with now options will output the full version: e.g. 19.1.0"
  19     echo " --cmake-file      Path to cmake file with the version (default: $cmake_file)
  20     echo " You can use at most one of the following options:
  21     echo " --major           Print the major version."
  22     echo " --minor           Print the minor version."
  23     echo " --patch           Print the patch version."
  24 }
  25
  26 print=""
  27
  28 while [ $# -gt 0 ]; do
  29     case $1 in
  30         --cmake-file )
  31             shift
  32             cmake_file="$1"
  33             ;;
  34         --major)
  35             if [ -n "$print" ]; then
  36                 echo "Only one of --major, --minor, --patch is allowed"
  37                 exit 1
  38             fi
  39             print="major"
  40             ;;
  41         --minor)
  42             if [ -n "$print" ]; then
  43                 echo "Only one of --major, --minor, --patch is allowed"
  44                 exit 1
  45             fi
  46             print="minor"
  47             ;;
  48         --patch)
  49             if [ -n "$print" ]; then
  50                 echo "Only one of --major, --minor, --patch is allowed"
  51                 exit 1
  52             fi
  53             print="patch"
  54             ;;
  55         --help | -h | -\? )
  56             usage
  57             exit 0
  58             ;;
  59         * )
  60             echo "unknown option: $1"
  61             usage
  62             exit 1
  63             ;;
  64     esac
  65     shift
  66 done
  67
  68 major=`grep -o 'LLVM_VERSION_MAJOR[[:space:]]\+\([0-9]\+\)' $cmake_file  | grep -o '[0-9]\+'`
  69 minor=`grep -o 'LLVM_VERSION_MINOR[[:space:]]\+\([0-9]\+\)' $cmake_file  | grep -o '[0-9]\+'`
  70 patch=`grep -o 'LLVM_VERSION_PATCH[[:space:]]\+\([0-9]\+\)' $cmake_file  | grep -o '[0-9]\+'`
  71
  72 case $print in
  73     major)
  74         echo "$major"
  75         ;;
  76     minor)
  77         echo "$minor"
  78         ;;
  79     patch)
  80         echo "$patch"
  81         ;;
  82     *)
  83         echo "$major.$minor.$patch"
  84         ;;
  85 esac
  86