Add early bailout to bash scripts.

Signed-off-by: Cody Littley <[email protected]>

api/builder/build-docker.sh

@@ -22,3 +22,7 @@ docker build \
   --tag pbuf-compiler:latest \
   --build-arg PROTOC_URL="${PROTOC_URL}" \
   .
+
+if [ $? -ne 0 ]; then
+  exit 1
+fi

api/builder/protoc-docker.sh

@@ -11,8 +11,15 @@ if [ -z "$(docker images -q pbuf-compiler:latest 2> /dev/null)" ]; then
   "${SCRIPT_DIR}"/build-docker.sh
 fi
 
+if [ $? -ne 0 ]; then
+  exit 1
+fi
 
 docker container run \
   --rm \
   --mount "type=bind,source=${ROOT},target=/home/user/eigenda" \
   pbuf-compiler bash -c "source ~/.bashrc && eigenda/api/builder/protoc.sh"
+
+if [ $? -ne 0 ]; then
+  exit 1
+fi

api/builder/protoc.sh

@@ -14,25 +14,41 @@ PROTO_DIR="${API_DIR}/proto"
 GRPC_DIR="${API_DIR}/grpc"
 mkdir -p "${GRPC_DIR}"
 
+if [ $? -ne 0 ]; then
+  exit 1
+fi
+
 protoc -I "${PROTO_DIR}" \
 	--go_out="${GRPC_DIR}" \
 	--go_opt=paths=source_relative \
 	--go-grpc_out="${GRPC_DIR}" \
 	--go-grpc_opt=paths=source_relative \
 	"${PROTO_DIR}"/**/*.proto
 
+	if [ $? -ne 0 ]; then
+    exit 1
+  fi
+
 # Build protobufs in the disperser/api/proto directory.
 
 DISPERSER_DIR="$SCRIPT_DIR/../../disperser"
 DISPERSER_PROTO_DIR="$DISPERSER_DIR/api/proto"
 DISPERSER_GRPC_DIR="$DISPERSER_DIR/api/grpc"
 mkdir -p "${DISPERSER_GRPC_DIR}"
 
+if [ $? -ne 0 ]; then
+  exit 1
+fi
+
 protoc -I "${DISPERSER_PROTO_DIR}" -I "${PROTO_DIR}" \
 	--go_out="${DISPERSER_GRPC_DIR}" \
 	--go_opt=paths=source_relative \
 	--go-grpc_out="${DISPERSER_GRPC_DIR}" \
 	--go-grpc_opt=paths=source_relative \
 	"${DISPERSER_PROTO_DIR}"/**/*.proto
 
+if [ $? -ne 0 ]; then
+  exit 1
+fi
+
 set -x