From 952c1401389343c1008c62f43559cd8991d8614c Mon Sep 17 00:00:00 2001
From: Zaiming Shi <zmstone@gmail.com>
Date: Sat, 12 Dec 2020 22:06:28 +0100
Subject: [PATCH] chore(build): Skip relup when there is no upgrade base

---
 Makefile    | 2 ++
 packages.mk | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index db3469876..537117597 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,8 @@
 REBAR_VERSION = 3.14.3-emqx-2
 REBAR = ./rebar3
 export PKG_VSN ?= $(shell git describe --tags --always)
+# comma separated versions
+export RELUP_BASE_VERSIONS ?=
 
 PROFILE ?= emqx
 PROFILES := emqx emqx-edge check test
diff --git a/packages.mk b/packages.mk
index 2007137e7..cbb99dc91 100644
--- a/packages.mk
+++ b/packages.mk
@@ -31,12 +31,14 @@ endif
 
 .PHONY: $(PROFILES:%=relup-%)
 $(PROFILES:%=relup-%): $(REBAR)
+ifneq ($(RELUP_BASE_VERSIONS),)
 ifneq ($(OS),Windows_NT)
 	@if [ ! -z $$(ls | grep -E "$(@:relup-%=%)-$(SYSTEM)-(.*)-$$(uname -m).zip" | head -1 ) ]; then \
 		mkdir -p tmp/relup_packages/$(@:relup-%=%); \
 		cp $(@:relup-%=%)-$(SYSTEM)-*-$$(uname -m).zip tmp/relup_packages/$(@:relup-%=%); \
 	fi
-	$(REBAR) as $(@:relup-%=%) relup
+	$(REBAR) as $(@:relup-%=%) relup --relname emqx --relvsn $(PKG_VSN) --upfrom $(RELUP_BASE_VERSIONS)
+endif
 endif
 
 .PHONY: $(PROFILES:%=%-tar) $(PKG_PROFILES:%=%-tar)