fix(core): generate metric.pb.go with protoc v14

Signed-off-by: Godefroy Ponsinet <godefroy.ponsinet@outlook.com>

core/Makefile

@@ -2,13 +2,15 @@ rwildcard = $(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subs
 NAME ?= berty
 # FIXME: create a everythingButVendor helper that runs a wildcard but ignores node_modules/ and vendor/, and simplify variables below
 GOPATH ?= $(HOME)/go
+GO_ROOT_PACKAGES := ../core ../network
+GO_ROOT_PACKAGES_VENDORS := ../core/vendor/% ../network/vendor/%
 BIN ?= $(GOPATH)/bin/berty
 BUILD_MODE ?= dev
-SOURCES = $(call rwildcard, ./, *.go)
-OUR_SOURCES = $(filter-out $(call rwildcard,./vendor/, *.go),$(SOURCES))
-PROTOS = $(strip $(call rwildcard, ./, *.proto))
-OUR_PROTOS = $(filter-out $(call rwildcard,./vendor/, *.proto),$(PROTOS))
-PROTOC_OPTS = --proto_path=/protobuf:./vendor/berty.tech:./vendor/github.com/gogo/protobuf:vendor:.
+SOURCES = $(strip $(call rwildcard, $(GO_ROOT_PACKAGES), *.go))
+OUR_SOURCES = $(filter-out $(GO_ROOT_PACKAGES_VENDORS),$(SOURCES))
+PROTOS = $(strip $(call rwildcard, $(GO_ROOT_PACKAGES), *.proto))
+OUR_PROTOS = $(filter-out $(GO_ROOT_PACKAGES_VENDORS),$(PROTOS))
+PROTOC_OPTS = -I /protobuf:./vendor/berty.tech:./vendor/github.com/gogo/protobuf:vendor:../network:.
 SERVICE_PROTOS = $(call rwildcard, api, *.proto)
 GENERATED_PATTERNS = %.validate.gen.go %.service.gen.go %generated.gen.go %kind.gen.go %.pb.go %.gen.js
 GENERATED_FILES = $(filter $(GENERATED_PATTERNS),$(filter-out $(call rwildcard ./vendor/,*),$(call rwildcard,./,*)))

core/api/node/kind.proto

@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package berty.node;
 
-import "network/metric/metric.proto";
+import "berty.tech/network/metric/metric.proto";
 import "gogoproto/gogo.proto";
 
 option go_package = "berty.tech/core/api/node";