all: known_hosts authorized_keys config
	@chmod -R og= .
.PHONY: all

known_hosts: $(wildcard known_hosts.d/*)
	touch $@
	for f in $^; do \
	  echo "### from $$f:"; \
	  cat $$f; \
	  echo; \
	done > $@

authorized_keys: $(wildcard authorized_keys.d/*)
	touch $@
	for f in $^; do \
	  echo "### from $$f:"; \
	  cat $$f; \
	  echo; \
	done > $@

ifeq ($(strip $(wildcard config.local)),)
LOCAL_CONFIG=/dev/null
else
LOCAL_CONFIG=config.local
endif

SSH_VERSION = $(shell ssh -V 2>&1)
config: $(LOCAL_CONFIG) config.in
	cat $^ > $@
	if ! ssh -P 2>&1 | grep -q 'option requires an argument'; then \
		sed -i -e '/^Match tagged/,/^$$/d' $@; \
	fi