ci: consistent script naming

scripts/luals-check.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# Performs a lua-language-server check on all files.
+# luals-out/check.json will be produced on any issues, returning 1.
+# Outputs only check.json to stdout, all other messages to stderr, to allow jq etc.
+
+DIR_SRC="lua"
+DIR_OUT="luals-out"
+
+# clear output
+rm -rf "${DIR_OUT}"
+mkdir "${DIR_OUT}"
+
+# execute inside lua to prevent luals itself from being checked
+OUT=$(lua-language-server --check "${DIR_SRC}" --configpath="${PWD}/.luarc.json" --checklevel=Information --logpath="${DIR_OUT}" --loglevel=error)
+RC=$?
+
+echo "${OUT}" >&2
+
+if [ $RC -ne 0 ]; then
+	echo "failed with RC=$RC"
+	exit $RC
+fi
+
+# any output is a fail
+case "${OUT}" in
+	*Diagnosis\ complete*)
+		if [ -f "${DIR_OUT}/check.json" ]; then
+			cat "${DIR_OUT}/check.json"
+			exit 1
+		else
+			exit 0
+		fi
+		;;
+	*)
+		exit 1
+		;;
+esac
+