UBUNTU: [Packaging] nvidia-6.2: dkms-versions standalone provides support

Add support for exposing rprovides data for standalone modules too.
Switch to exposing provides as a shared debian/substvar file and use
that in the templates.

Ignore: yes
Signed-off-by: Ian May <ian.may@canonical.com>

Author: ianmay81

debian/control.d/flavour-module.stub

@@ -4,6 +4,7 @@ Build-Profiles: <!stage1>
 Architecture: ARCH
 Section: kernel
 Priority: optional
+Provides: ${MODULE:rprovides}
 Depends:
  ${misc:Depends},
  linux-image-PKGVER-ABINUM-FLAVOUR | linux-image-unsigned-PKGVER-ABINUM-FLAVOUR,

debian/rules

@@ -153,6 +153,10 @@ clean: debian/control debian/canonical-certs.pem debian/canonical-revoked-certs.
 	rm -f $(DROOT)/control.stub $(DEBIAN)/control.stub
 	rm -f $(DROOT)/scripts/fix-filenames
 
+	# SUBSTVARS: rprovides for all DKMS packages
+	echo "linux:rprovides=$(foreach dkms,$(all_built-in_dkms_modules),$(foreach provides,$(dkms_$(dkms)_rprovides),$(provides)$(comma)))" >"debian/substvars"
+	echo "$(foreach dkms,$(all_standalone_dkms_modules),$(dkms):rprovides=$(foreach provides,$(dkms_$(dkms)_rprovides),$(provides)$(comma))=NL=)" | sed -e "s/=NL= */\n/g" >>"debian/substvars"
+
 .PHONY: distclean
 distclean: clean
 	rm -rf $(DROOT)/control debian/changelog \

debian/rules.d/2-binary-arch.mk

@@ -606,7 +606,7 @@ define dh_all
 	dh_shlibdeps -p$(1) $(shlibdeps_opts)
 	dh_installdeb -p$(1)
 	dh_installdebconf -p$(1)
-	$(lockme) dh_gencontrol -p$(1) -- -Vlinux:rprovides='$(rprovides)' $(2)
+	$(lockme) dh_gencontrol -p$(1) -- -Tdebian/substvars $(2)
 	dh_md5sums -p$(1)
 	dh_builddeb -p$(1)
 endef
@@ -646,7 +646,6 @@ binary-%: pkgcloud = $(cloud_flavour_pkg_name)-$*
 $(foreach _m,$(all_dkms_modules), \
   $(eval binary-%: enable_$(_m) = $$(filter true,$$(call custom_override,do_$(_m),$$*))) \
 )
-binary-%: rprovides = $(foreach _m,$(all_built-in_dkms_modules),$(if $(enable_$(_m)),$(foreach _r,$(dkms_$(_m)_rprovides),$(_r)$(comma) )))
 binary-%: target_flavour = $*
 binary-%: checks-%
 	@echo Debug: $@