--- a/makefile	Sat Nov 16 16:45:33 2019 +0100
+++ b/makefile	Sat Nov 16 16:52:31 2019 +0100
@@ -19,6 +19,9 @@
 MKDIR=install -d
 MKDIR_PRIVATE=$(MKDIR) -m750
 
+LUACHECK=luacheck
+BUSTED=busted
+
 .PHONY: all test clean install
 
 all: prosody.install prosodyctl.install prosody.cfg.lua.install prosody.version
@@ -68,8 +71,13 @@
 	rm -f prosody.version
 	$(MAKE) clean -C util-src
 
+lint:
+	$(LUACHECK) -q $$(HGPLAIN= hg files -I '**.lua') prosody prosodyctl
+	@echo $$(sed -n '/^\tlocal exclude_files/,/^}/p;' .luacheckrc | sed '1d;$d' | wc -l) files ignored
+	shellcheck configure
+
 test:
-	busted --lua=$(RUNWITH)
+	$(BUSTED) --lua=$(RUNWITH)
 
 
 prosody.install: prosody