update/blobs/*: unify checking of defconfig files

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/defconfig.sh b/include/defconfig.sh
new file mode 100755
index 00000000..f022937a
--- /dev/null
+++ b/include/defconfig.sh
@@ -0,0 +1,11 @@
+# Copyright (c) 2023 Leah Rowe <leah@libreboot.org>
+# SPDX-License-Identifier: MIT
+
+check_defconfig()
+{
+	no_config="printf \"No target defconfig in %s\\n\" ${1} 1>&2; return 1"
+	for x in "${1}"/config/*; do
+		[ -f "${x}" ] && no_config=""
+	done
+	eval "${no_config}"
+}