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_IMAGE_APTBOX_ = $(WORKDIR)/chroot/$(WORKDIRNAME)/aptbox
# Add prerequisite to the build-image target of
# $(MKIMAGE_PREFIX)/targets.mk.
build-image: $(_IMAGE_APTBOX_)/etc/apt/pkgpriorities
_PINNED_PACKAGES_ = $(foreach pp,$(PINNED_PACKAGES),$(if $(findstring :,$(pp)),$(pp),$(pp):$(PIN_PRIORITY)))
_PIN_PRIORITIES_ = $(sort $(foreach pp,$(_PINNED_PACKAGES_),$(lastword $(subst :, ,$(pp)))))
_PKGPRIORITIES_ = $(subst \n ,\n,$(foreach pri,$(_PIN_PRIORITIES_),$(pri):$(patsubst %:$(pri),\n %,$(filter %:$(pri),$(_PINNED_PACKAGES_)))\n))
$(_IMAGE_APTBOX_)/etc/apt/pkgpriorities: prepare-image-workdir
@echo -e '$(_PKGPRIORITIES_)' | sed -e 's,[[:space:]]\+$$,,' >$@
@if [ -s $@ ]; then \
if grep -q '^\(APT::\)\?Dir::Etc::pkgpriorities[[:space:]]' \
$(_IMAGE_APTBOX_)/etc/apt/apt.conf; \
then \
sed -i -e 's,\(Dir::Etc::pkgpriorities\)[[:space:]].*$$,\1 "$@";,g' \
$(_IMAGE_APTBOX_)/etc/apt/apt.conf; \
else \
echo 'Dir::Etc::pkgpriorities "$@";' \
>>$(_IMAGE_APTBOX_)/etc/apt/apt.conf; \
fi; \
echo "--- Package priorities ---" >&2; \
cat $@ >&2; \
echo "---" >&2; \
fi