livepatch/klp-build: add Makefile with check target

Add a standalone Makefile with a 'check' target that runs static code
analysis (shellcheck) on the klp-build script(s).  This is intended
strictly as a development aid.

Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
Link: https://patch.msgid.link/20260310203751.1479229-7-joe.lawrence@redhat.com
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>

diff --git a/scripts/livepatch/Makefile b/scripts/livepatch/Makefile
new file mode 100644 (file)
index 0000000..17b5902
--- /dev/null
+++ b/scripts/livepatch/Makefile
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0
+# Standalone Makefile for developer tooling (not part of kbuild).
+
+SHELLCHECK := $(shell which shellcheck 2> /dev/null)
+
+SRCS := \
+  klp-build
+
+.DEFAULT_GOAL := help
+.PHONY: help
+help:
+       @echo "  check      - Run shellcheck on $(SRCS)"
+       @echo "  help       - Show this help message"
+
+.PHONY: check
+check:
+ifndef SHELLCHECK
+       $(error shellcheck is not installed. Please install it to run checks)
+endif
+       @$(SHELLCHECK) $(SHELLCHECK_OPTIONS) $(SRCS)