restore extra instructions in Makefile

Makefile

@@ -1,4 +1,17 @@
+YANGDATE=2023-01-10
+CWTSIDDATE1=ietf-voucher@${YANGDATE}.sid
+CWTSIDLIST1=ietf-voucher-sid.txt
+CWTSIDDATE2=ietf-voucher-request@${YANGDATE}.sid
+CWTSIDLIST2=ietf-voucher-request-sid.txt
+EXAMPLES+=$(wildcard examples/voucher*.b64)
+EXAMPLES+=$(wildcard examples/*.pem)
+EXAMPLES+=$(wildcard examples/*.crt)
 LIBDIR := lib
+
+# add this path because your local install might be newer.
+YANGMODULESPATH=${HOME}/.local/share/yang/modules
+PYANG?=pyang
+PYANGPATH=--path=yang --path=${YANGMODULESPATH}
 include $(LIBDIR)/main.mk
 
 $(LIBDIR)/main.mk:
@@ -9,3 +22,60 @@ else
 	git clone -q --depth 10 $(CLONE_ARGS) \
 	    -b main https://github.com/martinthomson/i-d-template $(LIBDIR)
 endif
+
+# because pyang likes to pick the file ./"foo.yang", when it should be looking for
+# yang/[email protected] first, most invokations are pyang are done from the yang
+# subdirectory so that pyang won't see the template files in the CWD.
+# maybe a different extension is in order.
+
+draft-ietf-anima-rfc8366bis.xml:: yang/ietf-voucher@${YANGDATE}.yang \
+	yang/ietf-voucher-tree-latest.txt \
+	yang/ietf-voucher-request@${YANGDATE}.yang \
+	yang/ietf-voucher-request-tree-latest.txt ${CWTSIDLIST1} ${CWTSIDLIST2} ${EXAMPLES}
+
+yang/ietf-voucher@${YANGDATE}.yang: ietf-voucher.yang
+	# make sure we are running a new enough pyang
+	pyang --help | grep sid-finalize
+	mkdir -p yang
+	sed -e 's/YYYY-MM-DD/'${YANGDATE}'/g' ietf-voucher.yang | (cd yang && pyang ${PYANGPATH} --keep-comments -f yang >ietf-voucher@${YANGDATE}.yang )
+	ln -s -f ietf-voucher@${YANGDATE}.yang yang/ietf-voucher-latest.yang
+
+yang/ietf-voucher-request@${YANGDATE}.yang: ietf-voucher-request.yang
+	mkdir -p yang
+	sed -e 's/YYYY-MM-DD/'${YANGDATE}'/g' ietf-voucher-request.yang | (cd yang && pyang ${PYANGPATH} --keep-comments -f yang >ietf-voucher-request@${YANGDATE}.yang )
+	ln -s -f ietf-voucher-request@${YANGDATE}.yang yang/ietf-voucher-request-latest.yang
+
+yang/ietf-voucher-tree-latest.txt: yang/ietf-voucher@${YANGDATE}.yang
+	# make sure we are running a new enough pyang
+	pyang --help | grep sid-finalize
+	mkdir -p yang
+	pyang ${PYANGPATH} -f tree --tree-print-structures --tree-line-length=70  yang/ietf-voucher@${YANGDATE}.yang > yang/ietf-voucher-tree-latest.txt
+
+yang/ietf-voucher-request-tree-latest.txt: yang/ietf-voucher-request@${YANGDATE}.yang
+	${PYANG} ${PYANGPATH} -f tree --tree-print-structures --tree-line-length=70 yang/ietf-voucher-request@${YANGDATE}.yang > yang/ietf-voucher-request-tree-latest.txt
+
+# Base SID value for voucher: 2450
+boot-sid1: yang/ietf-voucher@${YANGDATE}.yang
+	${PYANG} ${PYANGPATH} --sid-list --generate-sid-file 2450:50 yang/ietf-voucher@${YANGDATE}.yang
+
+${CWTSIDLIST1}: yang/ietf-voucher@${YANGDATE}.yang
+	mkdir -p yang
+	ln -s -f ../${CWTSIDDATE1} yang/${CWTSIDDATE1}
+	(cd yang && ${PYANG} ${PYANGPATH} --sid-list --sid-update-file=../${CWTSIDDATE1} ietf-voucher@${YANGDATE}.yang ) | ./truncate-sid-table >${CWTSIDLIST1}
+
+# Base SID value for voucher request: 2500
+boot-sid2: yang/ietf-voucher-request@${YANGDATE}.yang
+	mkdir -p yang
+	(cd yang && ${PYANG} ${PYANGPATH} --sid-list --generate-sid-file 2500:50 ietf-voucher-request@${YANGDATE}.yang )
+
+${CWTSIDLIST2}: yang/ietf-voucher-request@${YANGDATE}.yang
+	mkdir -p yang
+	ln -s -f ../${CWTSIDDATE2} yang/${CWTSIDDATE2}
+	(cd yang && ${PYANG} ${PYANGPATH} --sid-list --sid-update-file=../${CWTSIDDATE2} ietf-voucher-request@${YANGDATE}.yang ) | ./truncate-sid-table >${CWTSIDLIST2}
+
+
+.PHONY: pyang-install
+pyang-install:
+	pip3 install pyang
+
+