#!/bin/bash
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# Run this script to regenerate *.pbobjc.{h,m} for the well known types after
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# the protocol compiler changes.
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# HINT: Flags passed to generate_well_known_types.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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set -eu
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readonly ScriptDir=$(dirname "$(echo $0 | sed -e "s,^\([^/]\),$(pwd)/\1,")")
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readonly ProtoRootDir="${ScriptDir}/.."
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# Flag for continuous integration to check that everything is current.
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CHECK_ONLY=0
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if [[ $# -ge 1 && ( "$1" == "--check-only" ) ]] ; then
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CHECK_ONLY=1
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shift
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fi
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pushd "${ProtoRootDir}" > /dev/null
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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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if test ! -e src/Makefile; then
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cat >&2 << __EOF__
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Could not find src/Makefile. You must run ./configure (and perhaps
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./autogen.sh) first.
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__EOF__
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exit 1
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fi
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# Make sure the compiler is current.
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cd src
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make $@ protoc
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declare -a RUNTIME_PROTO_FILES=( \
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google/protobuf/any.proto \
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google/protobuf/api.proto \
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google/protobuf/duration.proto \
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google/protobuf/empty.proto \
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google/protobuf/field_mask.proto \
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google/protobuf/source_context.proto \
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google/protobuf/struct.proto \
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google/protobuf/timestamp.proto \
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google/protobuf/type.proto \
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google/protobuf/wrappers.proto)
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# Generate to a temp directory to see if they match.
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TMP_DIR=$(mktemp -d)
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trap "rm -rf ${TMP_DIR}" EXIT
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./protoc --objc_out="${TMP_DIR}" ${RUNTIME_PROTO_FILES[@]}
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set +e
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diff -r "${TMP_DIR}/google" "${ProtoRootDir}/objectivec/google" > /dev/null
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if [[ $? -eq 0 ]] ; then
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echo "Generated source for WellKnownTypes is current."
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exit 0
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fi
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set -e
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# If check only mode, error out.
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if [[ "${CHECK_ONLY}" == 1 ]] ; then
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echo "ERROR: The WKTs need to be regenerated! Run $0"
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exit 1
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fi
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# Copy them over.
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echo "Copying over updated WellKnownType sources."
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cp -r "${TMP_DIR}/google/." "${ProtoRootDir}/objectivec/google/"
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