116 lines
3.1 KiB
Bash
116 lines
3.1 KiB
Bash
#!/usr/bin/env bash
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# Run this script to regenerate descriptor.pb.{h,cc} after the protocol
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# compiler changes. Since these files are compiled into the protocol compiler
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# itself, they cannot be generated automatically by a make rule. "make check"
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# will fail if these files do not match what the protocol compiler would
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# generate.
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#
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# HINT: Flags passed to generate_descriptor_proto.sh will be passed directly
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# to make when building protoc. This is particularly useful for passing
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# -j4 to run 4 jobs simultaneously.
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if test ! -e src/google/protobuf/stubs/common.h; then
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cat >&2 << __EOF__
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Could not find source code. Make sure you are running this script from the
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root of the distribution tree.
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__EOF__
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exit 1
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fi
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cd src
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declare -a RUNTIME_PROTO_FILES=(\
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google/protobuf/any.proto \
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google/protobuf/api.proto \
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google/protobuf/descriptor.proto \
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google/protobuf/duration.proto \
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google/protobuf/empty.proto \
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google/protobuf/field_mask.proto \
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google/protobuf/source_context.proto \
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google/protobuf/struct.proto \
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google/protobuf/timestamp.proto \
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google/protobuf/type.proto \
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google/protobuf/wrappers.proto)
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declare -a COMPILER_PROTO_FILES=(\
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google/protobuf/compiler/plugin.proto)
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CORE_PROTO_IS_CORRECT=0
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PROCESS_ROUND=1
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BOOTSTRAP_PROTOC=""
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while [ $# -gt 0 ]; do
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case $1 in
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--bootstrap_protoc)
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BOOTSTRAP_PROTOC=$2
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shift 2
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;;
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*)
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break
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;;
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esac
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shift
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done
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TMP=$(mktemp -d)
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echo "Updating descriptor protos..."
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while [ $CORE_PROTO_IS_CORRECT -ne 1 ]
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do
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echo "Round $PROCESS_ROUND"
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CORE_PROTO_IS_CORRECT=1
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if [ "$BOOTSTRAP_PROTOC" != "" ]; then
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PROTOC=$BOOTSTRAP_PROTOC
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BOOTSTRAP_PROTOC=""
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else
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make -j$(nproc) $@ protoc
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if test $? -ne 0; then
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echo "Failed to build protoc."
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exit 1
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fi
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PROTOC="./protoc"
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fi
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$PROTOC --cpp_out=dllexport_decl=PROTOBUF_EXPORT:$TMP ${RUNTIME_PROTO_FILES[@]} && \
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$PROTOC --cpp_out=dllexport_decl=PROTOC_EXPORT:$TMP ${COMPILER_PROTO_FILES[@]}
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for PROTO_FILE in ${RUNTIME_PROTO_FILES[@]} ${COMPILER_PROTO_FILES[@]}; do
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BASE_NAME=${PROTO_FILE%.*}
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diff ${BASE_NAME}.pb.h $TMP/${BASE_NAME}.pb.h > /dev/null
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if test $? -ne 0; then
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CORE_PROTO_IS_CORRECT=0
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fi
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diff ${BASE_NAME}.pb.cc $TMP/${BASE_NAME}.pb.cc > /dev/null
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if test $? -ne 0; then
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CORE_PROTO_IS_CORRECT=0
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fi
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done
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# Only override the output if the files are different to avoid re-compilation
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# of the protoc.
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if [ $CORE_PROTO_IS_CORRECT -ne 1 ]; then
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for PROTO_FILE in ${RUNTIME_PROTO_FILES[@]} ${COMPILER_PROTO_FILES[@]}; do
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BASE_NAME=${PROTO_FILE%.*}
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mv $TMP/${BASE_NAME}.pb.h ${BASE_NAME}.pb.h
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mv $TMP/${BASE_NAME}.pb.cc ${BASE_NAME}.pb.cc
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done
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fi
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PROCESS_ROUND=$((PROCESS_ROUND + 1))
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done
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cd ..
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if test -x objectivec/generate_well_known_types.sh; then
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echo "Generating messages for objc."
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objectivec/generate_well_known_types.sh $@
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fi
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if test -x csharp/generate_protos.sh; then
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echo "Generating messages for C#."
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csharp/generate_protos.sh $@
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fi
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if test -x php/generate_descriptor_protos.sh; then
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echo "Generating messages for PHP."
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php/generate_descriptor_protos.sh $@
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fi
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