chore(build): Use different env variable for dashboard version

Makefile

@@ -1,9 +1,9 @@
 REBAR_VERSION = 3.14.3-emqx-4
-DASHBOARD_VERSION = v4.3.0-beta.1
 REBAR = $(CURDIR)/rebar3
 BUILD = $(CURDIR)/build
 SCRIPTS = $(CURDIR)/scripts
 export PKG_VSN ?= $(shell $(CURDIR)/pkg-vsn.sh)
+export EMQX_CE_DASHBOARD_VERSION ?= v4.3.0-beta.1
 
 PROFILE ?= emqx
 REL_PROFILES := emqx emqx-edge
@@ -27,7 +27,7 @@ $(REBAR): ensure-rebar3
 
 .PHONY: get-dashboard
 get-dashboard:
-	@$(SCRIPTS)/get-dashboard.sh $(DASHBOARD_VERSION)
+	@$(SCRIPTS)/get-dashboard.sh
 
 .PHONY: eunit
 eunit: $(REBAR)

scripts/get-dashboard.sh

@@ -5,14 +5,15 @@ set -euo pipefail
 # ensure dir
 cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")/.."
 
-VERSION="$1"
 RELEASE_ASSET_FILE="emqx-dashboard.zip"
 
 if [ -f 'EMQX_ENTERPRISE' ]; then
+    VERSION="${EMQX_EE_DASHBOARD_VERSION}"
     DASHBOARD_PATH='lib-ee/emqx_dashboard/priv'
     DASHBOARD_REPO='emqx-enterprise-dashboard-frontend-src'
     AUTH="Authorization: token $(cat scripts/git-token)"
 else
+    VERSION="${EMQX_CE_DASHBOARD_VERSION}"
     DASHBOARD_PATH='lib-ce/emqx_dashboard/priv'
     DASHBOARD_REPO='emqx-dashboard-frontend'
     AUTH=""