diff --git a/Makefile.common b/Makefile.common
index 3f06d46..9baa6c9 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -276,7 +276,9 @@ $(TOPLVL)/repo:
 	@echo "Creating local RPM repository $(TOPLVL)/repo"
 	mkdir $(TOPLVL)/repo
 
-#help repoadd: Creates a local Yum repository in the $(TOPLVL)/repo directory.
+#help repoadd: Adds locally-built RPMs for this package to the local RPM
+#help repository. If this repository does not yet exist, it is created and
+#help enabled.
 repoadd: results/build.log $(TOPLVL)/repo
 	@if [ -z "`grep '^Wrote: .*$(shell basename $(SRPMFILE))$$' results/build.log`" ]; then \
 		echo "You have not yet succesfully built this release yet"; exit 1; \
@@ -291,11 +293,10 @@ repoadd: results/build.log $(TOPLVL)/repo
 	fi
 	for r in $(LATEST_RPMS); do echo "+$$r"; echo $$(basename $$r) >> .repo-index; cp $$r $(TOPLVL)/repo; done
 	( cd $(TOPLVL)/repo ; if type createrepo_c 1>/dev/null 2>&1; then createrepo_c .; else createrepo .; fi );
-	@cp $(TOPLVL)/projects/common/image-creator/yum.conf $(TOPLVL)/repo/.yum.conf
-	@printf "\n\n[local]\nname=Local\nfailovermethod=priority\nenabled=1\ngpgcheck=0\n" >> $(TOPLVL)/repo/.yum.conf
-	@printf "baseurl=file://$$(realpath $(TOPLVL))/repo/\n\n" >> $(TOPLVL)/repo/.yum.conf
+	$(call localrepoenable,${PM_CONF},${MOCK_CONF})
 
-#help repodel: Removes package from local Yum repository.
+#help repodel: Removes RPMs from the local RPM repository that were
+#help previously added by 'make repoadd' for this package.
 repodel:
 	@if [ -f .repo-index ]; then \
 		echo "Cleaning old rpms:"; \
@@ -306,6 +307,13 @@ repodel:
 		rm .repo-index; \
 	fi
 
+#help repoenable: Enables the local RPM repository for use with Yum/DNF and
+#help Mock. If this repository does not yet exist, it is created.
+repoenable: $(TOPLVL)/repo ; $(call localrepoenable,${PM_CONF},${MOCK_CONF})
+
+#help repodisable: Disables the local RPM repository.
+repodisable: localrepodisable ;
+
 loop-up:
 	$(loopup)
 
diff --git a/Makefile.config b/Makefile.config
index e5b66a8..2077438 100644
--- a/Makefile.config
+++ b/Makefile.config
@@ -54,6 +54,13 @@ AUTOSPEC_CONF = $(TOPLVL)/projects/common/autospec.conf
 # in "pkg-mapping" for cloning/pulling package repos.
 USE_PACKAGE_MAPPING = yes
 
+# Package manager config file. Default to the in-tree copy.
+PM_CONF = $(TOPLVL)/projects/common/image-creator/yum.conf
+
+# Mock configuration file. Default to the in-tree copy.
+MOCK_CONF = $(TOPLVL)/projects/common/koji-client-files/clear.cfg
+
+
 # Include any site local configuration variables. These variables may override
 # the definitions given above.
 -include $(TOPLVL)/projects/common/Makefile.config.site_local
diff --git a/Makefile.functions b/Makefile.functions
index e89cd40..616ef99 100644
--- a/Makefile.functions
+++ b/Makefile.functions
@@ -62,6 +62,27 @@ define remotepkgname
 $(if $(USE_PACKAGE_MAPPING),$$(awk -v P="$(1)" '$$1 == P { res=$$2 } END { print res ? res : P }' $(TOPLVL)/projects/common/pkg-mapping),$(1))
 endef
 
+# Enables the local RPM repo by installing package manager and Mock configs.
+# First argument is the path to the package manager config, and the second
+# argument is the path to the mock config. Each of these config files is
+# augmented for local repo support.
+define localrepoenable
+	@cp $(1) $(TOPLVL)/repo/.yum.conf
+	@printf "\n\n[local]\nname=Local\nfailovermethod=priority\nenabled=1\ngpgcheck=0\n" >> $(TOPLVL)/repo/.yum.conf
+	@printf "baseurl=file://$$(realpath $(TOPLVL))/repo/\n\n" >> $(TOPLVL)/repo/.yum.conf
+	@cp $(2) $(TOPLVL)/repo/.clear.cfg
+	@printf "\n\n[localrepo]\nname=Local repo\nfailovermethod=priority\nenabled=1\ngpgcheck=0\n" >> $(TOPLVL)/repo/.clear.cfg
+	@printf "baseurl=file://$$(realpath $(TOPLVL))/repo/\n\n" >> $(TOPLVL)/repo/.clear.cfg
+	@sed -i '/^"""/d; $$a"""' $(TOPLVL)/repo/.clear.cfg
+endef
+
+# Disables the local RPM repo by removing the installed package manager and
+# Mock configuration files.
+localrepodisable:
+	@rm -f $(TOPLVL)/repo/.yum.conf
+	@rm -f $(TOPLVL)/repo/.clear.cfg
+
+
 .PHONY: help
 ##### Code
 # Make sure that HELPSPACE has exactly HELPLEN spaces in it
diff --git a/Makefile.toplevel b/Makefile.toplevel
index 43fa2fd..7d4b943 100644
--- a/Makefile.toplevel
+++ b/Makefile.toplevel
@@ -211,5 +211,17 @@ autospecnew:
 		exit 1; \
 	fi
 
+$(TOPLVL)/repo:
+	@echo "Creating local RPM repository $(TOPLVL)/repo"
+	mkdir $(TOPLVL)/repo
+
+#help repoenable: Enables the local RPM repository for use with Yum/DNF and
+#help Mock. If this repository does not yet exist, it is created.
+repoenable: $(TOPLVL)/repo ; $(call localrepoenable,${PM_CONF},${MOCK_CONF})
+
+#help repodisable: Disables the local RPM repository.
+repodisable: localrepodisable ;
+
+
 # Define site local toplevel targets in a separate makefile
 -include $(TOPLVL)/projects/common/Makefile.toplevel.site_local