DATABASES = $(wildcard /etc/passwd /etc/group /etc/ethers /etc/protocols \
		       /etc/rpc /etc/services /etc/shadow /etc/netgroup)

VAR_DB = /var/db

AWK = awk
MAKEDB = makedb --quiet

all: $(patsubst %,$(VAR_DB)/%.db,$(notdir $(DATABASES)))


$(VAR_DB)/passwd.db: /etc/passwd
	@echo -n "$(patsubst %.db,%,$(@F))... "
	@$(AWK) 'BEGIN { FS=":"; OFS=":"; cnt=0 } \
		 { printf "0%u ", cnt++; print } \
		 /^[^#]/ { printf ".%s ", $$1; print; \
			   if (!uids[$$3]++) \
			     { printf "=%s ", $$3; print } }' $^ | \
	$(MAKEDB) -o $@ -
	@echo "done."

$(VAR_DB)/group.db: /etc/group
	@echo -n "$(patsubst %.db,%,$(@F))... "
	@$(AWK) 'BEGIN { FS=":"; OFS=":"; cnt=0 } \
		 { printf "0%u ", cnt++; print } \
		 /^[^#]/ { printf ".%s ", $$1; print; \
			   printf "=%s ", $$3; print }' $^ | \
	$(MAKEDB) -o $@ -
	@echo "done."

$(VAR_DB)/ethers.db: /etc/ethers
	@echo -n "$(patsubst %.db,%,$(@F))... "
	@$(AWK) 'BEGIN { cnt=0 } \
		 { printf "0%u ", cnt++; print } \
		 /^[^#]/ { printf ".%s ", $$1; print; \
			   printf "=%s ", $$2; print }' $^ | \
	$(MAKEDB) -o $@ -
	@echo "done."

$(VAR_DB)/protocols.db: /etc/protocols
	@echo -n "$(patsubst %.db,%,$(@F))... "
	@$(AWK) 'BEGIN { cnt=0 } \
		 { printf "0%u ", cnt++; print } \
		 /^[^#]/ { printf ".%s ", $$1; print; \
			   printf "=%s ", $$2; print; \
			   for (i = 3; i <= NF && !($$i ~ /^#/); ++i) \
			     { printf ".%s ", $$i; print } }' $^ | \
	$(MAKEDB) -o $@ -
	@echo "done."

$(VAR_DB)/rpc.db: /etc/rpc
	@echo -n "$(patsubst %.db,%,$(@F))... "
	@$(AWK) 'BEGIN { cnt=0 } \
		 { printf "0%u ", cnt++; print } \
		 /^[^#]/ { printf ".%s ", $$1; print; \
			   printf "=%s ", $$2; print; \
			   for (i = 3; i <= NF && !($$i ~ /^#/); ++i) \
			     { printf ".%s ", $$i; print } }' $^ | \
	$(MAKEDB) -o $@ -
	@echo "done."

$(VAR_DB)/services.db: /etc/services
	@echo -n "$(patsubst %.db,%,$(@F))... "
	@$(AWK) 'BEGIN { FS="[ \t/]+"; cnt=0 } \
		 { printf "0%u ", cnt++; print } \
		 /^[^#]/ { printf ".%s/%s ", $$1, $$3; print; \
			   printf "=%s/%s ", $$2, $$3; print; \
			   for (i = 4; i <= NF && !($$i ~ /^#/); ++i) \
			     { printf ".%s/%s ", $$i, $$3; print } }' $^ | \
	$(MAKEDB) -o $@ -
	@echo "done."

$(VAR_DB)/shadow.db: /etc/shadow
	@echo -n "$(patsubst %.db,%,$(@F))... "
	@$(AWK) 'BEGIN { FS=":"; OFS=":"; cnt=0 } \
		 { printf "0%u ", cnt++; print } \
		 /^[^#]/ { printf ".%s ", $$1; print }' $^ | \
	$(MAKEDB) -o $@ -
	@echo "done."

$(VAR_DB)/netgroup.db: /etc/netgroup
	@echo -n "$(patsubst %.db,%,$(@F))... "
	@$(AWK) 'BEGIN { cnt=0 } \
		 { printf "0%u ", cnt++; print } \
		 /^[^#]/ { end=sub(/\\/, " "); \
			   gsub(/[ \t]+/, " "); \
			   if(end == 1) printf "%s", $$0; else print }' $^ | \
	$(MAKEDB) -o $@ -
	@echo "done."