refactor(littlesnitch): create new, more strict rules

little snitch/rules/build-full-strict-ruleset.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+WORKDIR=$(dirname "$0")
+
+# Pre-flight checks
+# -----------------
+
+# Check files are readable JSON files.
+PRE_FLIGHT_CHECKS_RESULT=0
+for FILE in "${WORKDIR}/parts.strict/"*.lsrules
+do
+	if ! jq '.' "$FILE" > /dev/null
+	then
+		echo "$FILE"
+		PRE_FLIGHT_CHECKS_RESULT=1
+	fi
+done
+
+[[ "$PRE_FLIGHT_CHECKS_RESULT" -ne 0 ]] && exit "$PRE_FLIGHT_CHECKS_RESULT"
+
+# Actual work
+# -----------
+
+jq --indent 4 -M \
+	'.rules=([inputs.rules]|flatten)' \
+	"${WORKDIR}/all.strict.lsrules" \
+	"${WORKDIR}/parts.strict/"*.lsrules \
+| sponge "${WORKDIR}/all.strict.lsrules"