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