[include] package-ipkg.mk: build sysupgrade keepfile hints out of conffiles not yet...

This applies to config directories or files that do not exist but may be created by the
user after package installation.

SVN-Revision: 23257

diff --git a/include/package-ipkg.mk b/include/package-ipkg.mk
index a07c5cc38c8f7a6b12e524d4ab92ebc9ea18bf45..512e40186de7a99ada91b5d38624648f01156060 100644 (file)
--- a/include/package-ipkg.mk
+++ b/include/package-ipkg.mk
@@ -49,6 +49,7 @@ ifeq ($(DUMP),)
     IPKG_$(1):=$(PACKAGE_DIR)/$(1)_$(VERSION)_$(PKGARCH).ipk
     IDIR_$(1):=$(PKG_BUILD_DIR)/ipkg-$(PKGARCH)/$(1)
     INFO_$(1):=$(IPKG_STATE_DIR)/info/$(1).list
+    KEEP_$(1):=$(strip $(call Package/$(1)/conffiles))
 
     ifeq ($(if $(VARIANT),$(BUILD_VARIANT)),$(VARIANT))
     ifdef Package/$(1)/install
@@ -112,6 +113,20 @@ ifeq ($(DUMP),)
        (cd $$(IDIR_$(1))/CONTROL; \
                $($(1)_COMMANDS) \
        )
+
+    ifneq ($$(KEEP_$(1)),)
+               @( \
+                       keepfiles=""; \
+                       for x in $$(KEEP_$(1)); do \
+                               [ -f "$$(IDIR_$(1))/$$$$x" ] || keepfiles="$$$${keepfiles:+$$$$keepfiles }$$$$x"; \
+                       done; \
+                       [ -z "$keepfiles" ] || { \
+                               mkdir -p $$(IDIR_$(1))/lib/upgrade/keep.d; \
+                               for x in $$$$keepfiles; do echo $$$$x >> $$(IDIR_$(1))/lib/upgrade/keep.d/$(1); done; \
+                       }; \
+               )
+    endif
+
        $(IPKG_BUILD) $$(IDIR_$(1)) $(PACKAGE_DIR)
        @[ -f $$(IPKG_$(1)) ]