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beadm
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beadm
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# OpenIndiana beadm(1M) completion -*- shell-script -*-
# ------------------------------------------------------------------------------
# Copyright (c) 2017, Aurelien Larcher <[email protected]>
# Copyright (c) 2019, Michal Nowak <[email protected]>
# Bash-completion does not handle custom wordbreaks so comma-separated values
# cannot be implemented without this.
COMP_WORDBREAKS="${COMP_WORDBREAKS//,},"
# BE name may contain ':', e.g. to delimit date. It needs to be removed from
# set of word separators, otherwise we are stuck half-way in BE name completion.
COMP_WORDBREAKS="${COMP_WORDBREAKS//:/}"
_beadm()
{
local cur prev words cword line
line="${COMP_LINE}"
_init_completion -n : || return
local cmds="activate create destroy list mount unmount umount rename rollback"
local cmd_opts=""
# Lookup for command
local special i
for (( i=1; i < $cword; i++ ))
do
if [[ ${words[i]} == @(activate|create|destroy|list|@(|u|un)mount|rename|rollback) ]]
then
special=${words[i]}
break
fi
done
if [[ -z "${special}" ]]
then
COMPREPLY=( $(compgen -W "${cmds}" -- "${cur}") )
return
else
# Command options
if [[ "${cur}" == -* ]]
then
case "${special}" in
activate|rename|rollback)
# beadm activate [-v] beName
# beadm rename [-v] origBeName newBeName
# beadm rollback [-v] beName snapshot
# beadm rollback [-v] beName@snapshot
# Prevent recurring autocompletion
if [[ "${prev}" != "-v" ]]; then cmd_opts="-v"; fi
;;
create)
# beadm create [-a] [-d BE_desc]
# [-o property=value] ... [-p zpool]
# [-e nonActiveBe | beName@snapshot] [-v] beName
# beadm create [-d BE_desc]
# [-o property=value] ... [-p zpool] [-v] beName@snapshot
cmd_opts="-a -d -o -p -e -v"
;;
destroy)
# beadm destroy [-Ffsv] beName
# beadm destroy [-Fv] beName@snapshot
cmd_opts="-F -f -s -v"
;;
list)
# beadm list [[-a] | [-d] [-s]] [-H]
# [-k|-K date | name | space] [-v] [beName]
cmd_opts="-a -d -s -H -k -K -v"
;;
mount)
# beadm mount [-s ro|rw] [-v] beName [mountpoint]
cmd_opts="-s -v"
;;
unmount|umount)
# beadm unmount [-fv] beName | mountpoint
# beadm umount [-fv] beName | mountpoint
cmd_opts="-f -v"
;;
*)
;;
esac
COMPREPLY=( $(compgen -W "${cmd_opts}" -- "${cur}") )
return
else
case "${special}" in
activate|destroy|*mount|rename|rollback)
# beadm activate [-v] beName
# beadm destroy [-Ffsv] beName
# beadm destroy [-Fv] beName@snapshot
# beadm rename [-v] origBeName newBeName
# beadm rollback [-v] beName snapshot
# beadm rollback [-v] beName@snapshot
case "${prev}" in
-s)
# Only for mount
if [[ "${special}" == "mount" ]]
then
COMPREPLY=( $(compgen -W "ro rw" -- "${cur}") )
return
fi
;;
*)
case "${cur}" in
*@)
compopt -o nospace
COMPREPLY=( $(compgen -W "$(beadm list -H -s | nawk -F ';' '{print $2}')" -- "${cur}") )
return
;;
*)
local be_filter=""
local be_and_snapshots=()
case "${special}" in
activate)
# Activate only BEs not already set active on reboot ('R')
be_and_snapshots=( $(beadm list -H | nawk -F ';' '$3 !~ "R" {print $1}') )
;;
destroy)
be_and_snapshots=( $(beadm list -H -a | nawk -F ';' '$2 ~ "@" {print $2}; $3 !~ "N" {print $1}' | sort | uniq) )
;;
mount)
be_and_snapshots=( $(beadm list -H | nawk -F ';' '$3 !~ "N" && $4 == "" {print $1}') )
;;
umount|unmount)
be_and_snapshots=( $(beadm list -H | nawk -F ';' '$3 !~ "N" && $4 != "" {print $1}') )
;;
rename)
# Rename all but currently/now active ('N') BEs
be_and_snapshots=( $(beadm list -H | nawk -F ';' '$3 !~ "N" {print $1}') )
;;
rollback)
# list BEs and snapshots
be_and_snapshots=( $(beadm list -H -a | nawk -F ';' '$2 ~ "@" {print $2}; $3 !~ "N" {print $1}' | sort | uniq) )
case "${line}" in
*@*)
# entered BE@snapshot, hence we are done here
return
;;
*)
# entered BE name, so find snapshot for the particuler BE
if [[ "${prev}" != "rollback" ]]
then
be_and_snapshots=( $(for K in echo "${!be_and_snapshots[@]}"; do echo ${be_and_snapshots[$K]} | grep "^${prev}@" | sed -e 's,.*@,,'; done) )
fi
;;
esac
esac
compopt -o nospace
COMPREPLY=( $(compgen -W "${be_and_snapshots[*]}" -- "${cur}") )
return
;;
esac
;;
esac
;;
create)
# beadm create [-a] [-d BE_desc]
# [-o property=value] ... [-p zpool]
# [-e nonActiveBe | beName@snapshot] [-v] beName
# beadm create [-d BE_desc]
# [-o property=value] ... [-p zpool] [-v] beName@snapshot
case "${prev}" in
-p)
COMPREPLY=( $(compgen -W "$(zpool list -H -o name)" -- "${cur}") )
return
;;
-e)
case "${cur}" in
*@)
compopt -o nospace
COMPREPLY=( $(compgen -W "$(beadm list -H -s | nawk -F ';' '{print $2}')" -- "${cur}") )
return
;;
*)
be_and_snapshots=( $(beadm list -H -a | nawk -F ';' '$2 ~ "@" {print $2}; $3 !~ "N" {print $1}' | sort | uniq) )
compopt -o nospace
COMPREPLY=( $(compgen -W "${be_and_snapshots[*]}" -- "${cur}") )
return
;;
esac
;;
-o|,)
# ZFS property
compopt -o nospace
COMPREPLY=( $(compgen -W "$(zfs get 2>&1 | nawk '$2 == "YES" {print $1}')" -S '=' -- "${cur}") )
return
;;
=)
# ZFS property value
local pprev="${COMP_WORDS[COMP_CWORD-2]}"
local realcur="${cur##*=}"
local zfsprop="${pprev%%@*}"; zfsprop="${zfsprop##*,}"
local zfsvals=( $(zfs get 2>&1 | nawk '$1 == "'${zfsprop}'" && $2 == "YES" { $1=""; $2=""; $3=""; print }' | sed -e 's,|,,g') )
compopt -o nospace
compopt -o nosort
COMPREPLY=( $(compgen -W "${zfsvals[*]}" -- "${realcur}") )
;;
*)
case "${cur}" in
,*)
# ZFS property after comma
local realcur=${cur##*,}
compopt -o nospace
COMPREPLY=( $(compgen -W "$(zfs get 2>&1 | nawk '$2 == "YES" {print $1}')" -S '=' -- "${realcur}") )
return
;;
=)
# ZFS property values
local realcur=${cur##*=}
local zfsprop=${prev%%@*}; zfsprop=${zfsprop##*,}
local zfsvals=( $(zfs get 2>&1 | nawk '$1 == "'${zfsprop}'" && $2 == "YES" { $1=""; $2=""; $3=""; print }' | sed -e 's,|,,g') )
compopt -o nospace
compopt -o nosort
COMPREPLY=( $(compgen -W "${zfsvals[*]}" -- "${realcur}") )
return
;;
esac
;;
esac
;;
list)
# beadm list [[-a] | [-d] [-s]] [-H]
# [-k|-K date | name | space] [-v] [beName]
case "${prev}" in
-k|-K)
COMPREPLY=( $(compgen -W "date name space" -- "${cur}") )
return
;;
*)
local be_list=( $(beadm list -H | nawk -F ';' '{print $1}') )
compopt -o nospace
COMPREPLY=( $(compgen -W "${be_list[*]}" -- "${cur}") )
;;
esac
;;
*)
;;
esac
fi
fi
} &&
complete -F _beadm +o default beadm
# ex: filetype=sh
# vim: tabstop=2 shiftwidth=2 expandtab smartindent