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26 lines
640 B
26 lines
640 B
post_install() {
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depmod -a > /dev/null 2>&1
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check_hostid
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}
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post_remove() {
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depmod -a > /dev/null 2>&1
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}
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post_upgrade() {
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depmod -a > /dev/null 2>&1
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check_hostid
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}
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check_hostid() {
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# Check /etc/hostid to see if it set to the sentinel value, see
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# https://wiki.archlinux.org/index.php/ZFS for more information.
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HOSTID=$(hostid)
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if [ "0x$HOSTID" == "0xffffffff" ]; then
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# Generate a new hostid
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: >/etc/hostid
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HOSTID=$(hostid)
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# hostid is 4 byte little endian
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printf $(echo -n $HOSTID | sed 's/\(..\)\(..\)\(..\)\(..\)/\\x\4\\x\3\\x\2\\x\1/') >/etc/hostid
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fi
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}
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