herald.go/protobuf/build.sh
2021-03-18 17:24:48 -04:00

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#!/bin/bash
set -euo pipefail
#set -x
version_gte() {
[ "$1" = "$(echo -e "$1\n$2" | sort -V | tail -n1)" ]
}
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
hash protoc 2>/dev/null || { echo >&2 -e 'error: protoc binary not found\nDownload it from https://github.com/google/protobuf/releases and put it in your path.\nMake sure you get the one starting with `protoc`, not `protobuf`.'; exit 1; }
PROTOC="$(which protoc)"
VERSION="$($PROTOC --version | cut -d' ' -f2)"
MIN_VERSION="3.0"
version_gte "$VERSION" "$MIN_VERSION" || { echo >&2 "error: protoc version must be >= $MIN_VERSION (your $PROTOC is $VERSION)"; exit 1; }
hash protoc-gen-go-grpc 2>/dev/null || go get github.com/golang/protobuf/protoc-gen-go google.golang.org/grpc/cmd/protoc-gen-go-grpc
hash protoc-gen-go-grpc 2>/dev/null || { echo >&2 'error: Make sure $GOPATH/bin is in your $PATH'; exit 1; }
mkdir -p $DIR/go $DIR/python $DIR/js
find $DIR/go $DIR/python $DIR/js -type f -delete
protoc --proto_path="$DIR/definitions" \
--go_out="$DIR/go" --go_opt=paths=source_relative \
--go-grpc_out="$DIR/go" --go-grpc_opt=paths=source_relative \
$DIR/definitions/*.proto
# --python_out="$DIR/python" \
# --js_out="import_style=commonjs,binary:$DIR/js" \
ls "$DIR"/go/*.pb.go | xargs -n1 -IX bash -c "sed -e 's/,omitempty//' X > X.tmp && mv X{.tmp,}"