define dl_method
$(strip \
$(if $(2),$(2), \
- $(if $(filter @GNOME/% @GNU/% @KERNEL/% @SF/% ftp://% http://% https://% file://%,$(1)),default, \
+ $(if $(filter @GNOME/% @GNU/% @KERNEL/% @SF/% @SAVANNAH/% ftp://% http://% https://% file://%,$(1)),default, \
$(if $(filter git://%,$(1)),git, \
$(if $(filter svn://%,$(1)),svn, \
$(if $(filter cvs://%,$(1)),cvs, \
# code for creating tarballs from cvs/svn/git/bzr/hg/darcs checkouts - useful for mirror support
dl_pack/bz2=$(TAR) cjf $(1) $(2)
dl_pack/gz=$(TAR) czf $(1) $(2)
+dl_pack/xz=$(TAR) c $(2) | xz -zc > $(1)
dl_pack/unknown=echo "ERROR: Unknown pack format for file $(1)"; false
define dl_pack
$(if $(dl_pack/$(call ext,$(1))),$(dl_pack/$(call ext,$(1))),$(dl_pack/unknown))