Ignore local changes in doc file

a2787289 · Bernhard Heinloth · c25df507 · a2787289
Commit a2787289 authored Jul 31, 2020 by Bernhard Heinloth
--- a/Makefile
+++ b/Makefile
@@ -28,6 +28,7 @@ all: sty doc
 sty: $(PACKAGE_TGT)

 doc: $(DOC_PDF)
+	@cd $(dir $<) && git update-index --assume-unchanged $(notdir $<) || true

 clean::
 	@rm -rf "$(CACHE_DIR)"