name : fetch-liveupdate.sh #!/bin/bash # 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 url < /tmp/liveupdates.info info "fetching live updates from $url" fetch_url "$url" /tmp/updates.img if [ $? != 0 ]; then warn "failed to fetch update image!" warn "url: $url" return 1 fi unpack_img /tmp/updates.img /updates.tmp.$$ if [ $? != 0 ]; then warn "failed to unpack update image!" warn "url: $url" return 1 fi copytree /updates.tmp.$$ /updates mv /tmp/liveupdates.info /tmp/liveupdates.done