1#!/bin/bash 2 3# This script checks that the runtime version number constant in the compiler 4# source and in the runtime source is the same. 5# 6# A distro can be made of the protobuf sources with only a subset of the 7# languages, so if the compiler depended on the Objective C runtime, those 8# builds would break. At the same time, we don't want the runtime source 9# depending on the compiler sources; so two copies of the constant are needed. 10 11set -eu 12 13readonly ScriptDir=$(dirname "$(echo $0 | sed -e "s,^\([^/]\),$(pwd)/\1,")") 14readonly ProtoRootDir="${ScriptDir}/../.." 15 16die() { 17 echo "Error: $1" 18 exit 1 19} 20 21readonly ConstantName=GOOGLE_PROTOBUF_OBJC_GEN_VERSION 22 23# Collect version from plugin sources. 24 25readonly PluginSrc="${ProtoRootDir}/src/google/protobuf/compiler/objectivec/objectivec_file.cc" 26readonly PluginVersion=$( \ 27 cat "${PluginSrc}" \ 28 | sed -n -e "s:const int32 ${ConstantName} = \([0-9]*\);:\1:p" 29) 30 31if [[ -z "${PluginVersion}" ]] ; then 32 die "Failed to find ${ConstantName} in the plugin source (${PluginSrc})." 33fi 34 35# Collect version from runtime sources. 36 37readonly RuntimeSrc="${ProtoRootDir}/objectivec/GPBBootstrap.h" 38readonly RuntimeVersion=$( \ 39 cat "${RuntimeSrc}" \ 40 | sed -n -e "s:#define ${ConstantName} \([0-9]*\):\1:p" 41) 42 43if [[ -z "${RuntimeVersion}" ]] ; then 44 die "Failed to find ${ConstantName} in the runtime source (${RuntimeSrc})." 45fi 46 47# Compare them. 48 49if [[ "${PluginVersion}" != "${RuntimeVersion}" ]] ; then 50 die "Versions don't match! 51 Plugin: ${PluginVersion} from ${PluginSrc} 52 Runtime: ${RuntimeVersion} from ${RuntimeSrc} 53" 54fi 55 56# Success 57