use/apt-conf: @$(call add_feature) @$(call add,THE_PACKAGES,apt-conf-$$(THE_APT_CONF))
@$(call add,PINNED_PACKAGES,apt-conf-$$(THE_APT_CONF))
@$(call try,THE_APT_CONF,sisyphus)
use/apt-conf/branch: use/apt-conf
@$(call set,THE_APT_CONF,branch)