build: support macOS for "make update" purposes

build/common.sh

@@ -277,8 +277,10 @@ confirm|fingerprint|info|print)
 	;;
 esac
 
+PKGBIN=$(which pkg || true)
+
 for WANT in git ${PRODUCT_WANTS}; do
-	if ! pkg info ${WANT} > /dev/null; then
+	if ! ${PKGBIN} info ${WANT} > /dev/null; then
 		echo ">>> Required build package '${WANT}' is not installed." >&2
 		exit 1
 	fi
@@ -298,7 +300,7 @@ git_fetch()
 {
 	echo ">>> Fetching ${1}:"
 
-	git -C ${1} fetch --all --prune
+	git -C ${1} fetch --tags --prune
 }
 
 git_clone()

device/A10.conf

@@ -4,6 +4,8 @@ serial_hook()
 {
 	# We do not require any custom hooks for the A10, but for
 	# the sake of demonstration, we keep this little stub.  :)
+
+	: # prevent syntax error
 }
 
 # unset this for generic device handling, i.e. no device suffix