Lock gogofaster to a fixed v1.2.0

Makefile

@@ -20,9 +20,11 @@ endif
 .PHONY: check-protoc
 check-protoc:
 		./_tools/install-protoc-maybe.sh
+.PHONY: check-gogofaster
+check-gogofaster:
+		./_tools/install-gogofaster-maybe.sh
 .PHONY: protogen
-protogen: check-protoc
-		$(GOCMD) get github.com/gogo/protobuf/protoc-gen-gogofaster
+protogen: check-protoc check-gogofaster
 		./_tools/protogen_golang.sh
 		pip3 install $(PIP_ARGS) grpcio_tools==1.13.0
 		./_tools/protogen_python.sh

_tools/install-gogofaster-maybe.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+#
+# Checks protoc-gen-gogofaster installed in local 'protoc_dir' dir.
+# If it's absent installs it in 'protoc_dir' from GH release.
+
+GOGO_PROTOBUF_VER=1.2.0
+
+protoc_dir="./protoc"
+protoc_bin_dir=${protoc_dir}/bin
+
+gogo_protobuf_release_url=https://github.com/gogo/protobuf/archive/v${GOGO_PROTOBUF_VER}.zip
+gogo_protobuf_zip_path=${protoc_dir}/protobuf-${GOGO_PROTOBUF_VER}.zip
+gogo_protobuf_base_dir=${protoc_dir}/src/github.com/gogo
+gogo_protobuf_src_dir=${gogo_protobuf_base_dir}/protobuf
+gogofaster_package=${gogo_protobuf_src_dir}/protoc-gen-gogofaster
+gogofaster_bin_path=${protoc_bin_dir}/protoc-gen-gogofaster
+
+# Since 'protoc-gen-gogofaster' does not expose its version, it must be reinstalled
+if [[ -f ${gogofaster_bin_path} ]]; then
+	echo "Removing old gogofaster ${gogofaster_bin_path}"
+	rm ${gogofaster_bin_path}
+fi
+
+echo "Installing gogofaster v${GOGO_PROTOBUF_VER}"
+
+mkdir -p ${protoc_bin_dir}
+if [[ ! -f ${gogo_protobuf_zip_path} ]]; then
+	wget ${gogo_protobuf_release_url} -O ${gogo_protobuf_zip_path}
+	if [[ "$?" -ne 0 ]]; then
+		echo "Failed to download protoc release from ${gogo_protobuf_release_url}"
+		exit 2
+	fi
+fi
+
+mkdir -p ${gogo_protobuf_base_dir}
+unzip -aoq ${gogo_protobuf_zip_path} -d ${gogo_protobuf_base_dir}
+if [[ "$?" -ne 0 ]]; then
+	echo "Failed to unzip release from ${gogo_protobuf_zip_path}"
+	exit 2
+else
+	rm -rf ${gogo_protobuf_src_dir}
+	mv ${gogo_protobuf_src_dir}-${GOGO_PROTOBUF_VER} ${gogo_protobuf_src_dir}
+fi
+
+export GOPATH=`pwd`/${protoc_dir}
+go build -o ${gogofaster_bin_path} ${gogofaster_package}
+if [[ "$?" -ne 0 ]]; then
+	echo "Failed to install ${gogofaster_package} into ${gogofaster_bin_path}"
+	exit 2
+fi
+
+if ! rm -rf "${gogo_protobuf_src_dir}" ; then
+    echo "Failed to delete ${gogo_protobuf_src_dir}"
+    exit 2
+fi

_tools/install-protoc-maybe.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 #
-# Checks Protobuf compiler version.
-# If absent, installs one in protoc_dir from GH release.
+# Checks Protobuf compiler installed in local 'protoc_dir' dir.
+# If it's absent or not the expected version, installs it in 'protoc_dir' from GH release.
 
 PROTOC_VER="3.6.0"
 OS="$(uname)"

_tools/protogen_golang.sh

@@ -1,21 +1,26 @@
 #!/bin/bash
 #
 # Generates Protobuf + gRCP for Golang
-# Assumes 'protoc' and 'protoc-gen-gogofaster' binaries are installed
+# Assumes 'protoc' and 'protoc-gen-gogofaster' binaries are installed in local './protoc/bin' dir
 
 PROTOC="./protoc/bin/protoc"
+GOGOFASTER="./protoc/bin/protoc-gen-gogofaster"
 sdk="lookout/sdk"
 src="proto"
 dst="golang"
 
-
 [[ -f $PROTOC ]] >/dev/null 2>&1 || { echo "Protobuf compiler is required but not found in ${PROTOC}" >&2; exit 1; }
 
+[[ -f $GOGOFASTER ]] >/dev/null 2>&1 || { echo "protoc-gen-gogofaster is required but not found in ${GOGOFASTER}" >&2; exit 1; }
+
 if ! mkdir -p "${dst}" ; then
     echo "Failed to create ${dst}"
     exit 2
 fi
 
+# 'protoc-gen-gogofaster' must be under $PATH to be found by 'protoc'
+export PATH=./protoc/bin:$PATH
+
 "${PROTOC}" -I proto \
     --gogofaster_out=plugins=grpc,\
 Mgoogle/protobuf/any.proto=github.com/gogo/protobuf/types,\