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#!/bin/sh
# fetch-liveupdate - fetch an update image for dmsquash-live media.
# this gets called by the "initqueue/online" hook for each network interface
# that comes online.
# no updates requested? we're not needed.
[ -e /tmp/liveupdates.info ] || return 0
command -v getarg > /dev/null || . /lib/dracut-lib.sh
command -v fetch_url > /dev/null || . /lib/url-lib.sh
command -v unpack_img > /dev/null || . /lib/img-lib.sh
read -r url < /tmp/liveupdates.info
info "fetching live updates from $url"
if ! fetch_url "$url" /tmp/updates.img; then
warn "failed to fetch update image!"
warn "url: $url"
return 1
fi
if ! unpack_img /tmp/updates.img /updates.tmp.$$; then
warn "failed to unpack update image!"
warn "url: $url"
return 1
fi
copytree /updates.tmp.$$ /updates
mv /tmp/liveupdates.info /tmp/liveupdates.done
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