Fail link checking if recache isn't up-to-date

Author: chalin

.github/workflows/check-links.yml

@@ -25,4 +25,4 @@ jobs:
 
       - run: npm install --omit=optional
 
-      - run: npm run check:links
+      - run: npm run seq -- check:links _diff:check

Makefile

@@ -1,6 +1,5 @@
 # cSpell:ignore htmltest refcache
-# Set REFCACHE to another value to disable htmltest refcache-file manipulation
-REFCACHE?=refcache
+
 HTMLTEST_DIR=tmp
 HTMLTEST?=htmltest # Specify as make arg if different
 HTMLTEST_ARGS?=--log-level 1
@@ -28,19 +27,11 @@ $(LINK_CACHE_FILE_DEST_DIR)/$(LINK_CACHE_FILE):
 	echo '{}' > $(LINK_CACHE_FILE_DEST_DIR)/$(LINK_CACHE_FILE)
 
 refcache-restore: $(LINK_CACHE_FILE_DEST_DIR)/$(LINK_CACHE_FILE) $(LINK_CACHE_FILE_SRC_DIR)
-ifeq (refcache, $(REFCACHE))
 	cp $(LINK_CACHE_FILE_DEST_DIR)/$(LINK_CACHE_FILE) $(LINK_CACHE_FILE_SRC_DIR)/
-else
-	@echo "SKIPPING refcache-restore"
-endif
 
 refcache-save:
-ifeq (refcache, $(REFCACHE))
 	cp $(LINK_CACHE_FILE_SRC_DIR)/$(LINK_CACHE_FILE) $(LINK_CACHE_FILE_DEST_DIR)/
 	npx prettier --prose-wrap=always --write $(LINK_CACHE_FILE_DEST_DIR)/$(LINK_CACHE_FILE)
-else
-	@echo "SKIPPING refcache-save"
-endif
 
 check-links: $(GET_LINK_CHECKER_IF_NEEDED) \
 	refcache-restore check-links-only refcache-save