diff -rupN --no-dereference devscripts-2.20.1/scripts/Makefile devscripts-2.20.1-new/scripts/Makefile
--- devscripts-2.20.1/scripts/Makefile	2020-01-31 22:45:50.345166748 +0100
+++ devscripts-2.20.1-new/scripts/Makefile	2020-01-31 22:45:50.348166894 +0100
@@ -138,5 +138,7 @@ install: all
 	install -d $(DESTDIR)$(DATA_DIR)
 	mv $(DESTDIR)$(BINDIR)/debpkg $(DESTDIR)$(DATA_DIR)
 	cp debpkg-wrapper $(DESTDIR)$(BINDIR)/debpkg
+	install -dD $(DESTDIR)$(MAN1DIR)
+	cp *.1 $(DESTDIR)$(MAN1DIR)
 
 .PHONY: test test_pl test_sh test_py all install clean scripts