### -*-makefile-*-

TARGETS =
all:

HOST = $(shell hostname)
M4 = m4

TARGETS += config
config: config.m4
	$(M4) -P $< >$@.new && mv $@.new $@

TARGETS += authorized_keys
authorized_keys: authkeys.base $(wildcard authkeys.$(HOST)/*)
	{ echo "### DO NOT EDIT!  Generated from authkeys.*" && \
	  cat $^ | grep "^[^#]"; \
	} >$@.new && mv $@.new $@

TARGETS += known_hosts
known_hosts: /var/cache/ssh-certs/known_hosts $(wildcard known_hosts.*)
	{ echo "### DO NOT EDIT!  Generated from known_hosts.*" && \
	  cat $^ | grep "^[^#]"; \
	} >$@.new && mv $@.new $@

all: $(TARGETS)
clean:; rm -f $(TARGETS)