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 11 set -eu 12 13 readonly ScriptDir=$(dirname "$(echo $0 | sed -e "s,^\([^/]\),$(pwd)/\1,")") 14 readonly ProtoRootDir="${ScriptDir}/../.." 15 16 die() { 17 echo "Error: $1" 18 exit 1 19 } 20 21 readonly ConstantName=GOOGLE_PROTOBUF_OBJC_GEN_VERSION 22 23 # Collect version from plugin sources. 24 25 readonly PluginSrc="${ProtoRootDir}/src/google/protobuf/compiler/objectivec/objectivec_file.cc" 26 readonly PluginVersion=$( \ 27 cat "${PluginSrc}" \ 28 | sed -n -e "s:const int32 ${ConstantName} = \([0-9]*\);:\1:p" 29 ) 30 31 if [[ -z "${PluginVersion}" ]] ; then 32 die "Failed to find ${ConstantName} in the plugin source (${PluginSrc})." 33 fi 34 35 # Collect version from runtime sources. 36 37 readonly RuntimeSrc="${ProtoRootDir}/objectivec/GPBBootstrap.h" 38 readonly RuntimeVersion=$( \ 39 cat "${RuntimeSrc}" \ 40 | sed -n -e "s:#define ${ConstantName} \([0-9]*\):\1:p" 41 ) 42 43 if [[ -z "${RuntimeVersion}" ]] ; then 44 die "Failed to find ${ConstantName} in the runtime source (${RuntimeSrc})." 45 fi 46 47 # Compare them. 48 49 if [[ "${PluginVersion}" != "${RuntimeVersion}" ]] ; then 50 die "Versions don't match! 51 Plugin: ${PluginVersion} from ${PluginSrc} 52 Runtime: ${RuntimeVersion} from ${RuntimeSrc} 53 " 54 fi 55 56 # Success 57
