Merge pull request #1051 from lightninglabs/release-gotoolchain

makefile+scripts: specify Go version for building release binaries

Author: Roasbeef

Makefile

@@ -118,7 +118,7 @@ release-install:
 release:
 	@$(call print, "Releasing tapd and tapcli binaries.")
 	$(VERSION_CHECK)
-	./scripts/release.sh build-release "$(VERSION_TAG)" "$(BUILD_SYSTEM)" "$(RELEASE_TAGS)" "$(RELEASE_LDFLAGS)"
+	./scripts/release.sh build-release "$(VERSION_TAG)" "$(BUILD_SYSTEM)" "$(RELEASE_TAGS)" "$(RELEASE_LDFLAGS)" "$(GO_VERSION)"
 
 release-tag:
 	@$(call print, "Adding release tag.")

scripts/release.sh

@@ -118,11 +118,23 @@ function check_tag_correct() {
 
 # build_release builds the actual release binaries.
 #   arguments: <version-tag> <build-system(s)> <build-tags> <ldflags>
+#              <go-version>
 function build_release() {
   local tag=$1
   local sys=$2
   local buildtags=$3
   local ldflags=$4
+  local goversion=$5
+
+  # Check if the active Go version matches the specified Go version.
+  active_go_version=$(go version | awk '{print $3}' | sed 's/go//')
+  if [ "$active_go_version" != "$goversion" ]; then
+    echo "Error: active Go version ($active_go_version) does not match \
+required Go version ($goversion)."
+    exit 1
+  fi
+
+  echo "Building release for tag $tag with Go version $goversion"
 
   green " - Packaging vendor"
   go mod vendor