* MOD: test actions

Signed-off-by: Uwe Hermann <uh@uleenucks.de>

shellcheck.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+set -o pipefail
+
+ERRORS=()
+
+# find all executables and run `shellcheck`
+for f in $(find . -type f -not -iwholename '*.git*' -not -name "Dockerfile" | sort -u); do
+	if file "$f" | grep --quiet shell; then
+		{
+			shellcheck "$f" && echo "[OK]: sucessfully linted $f"
+		} || {
+			# add to errors
+			ERRORS+=("$f")
+		}
+	fi
+done
+
+if [ ${#ERRORS[@]} -eq 0 ]; then
+	echo "No errors, hooray"
+else
+	echo "These files failed shellcheck: ${ERRORS[*]}"
+	exit 1
+fi