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zsh/Completion/Unix/Command/_systemd

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#compdef systemctl systemd-loginctl
# Copyright (c) 2011 Foudil Bre'tel <foudil.newbie+zshsystemctl@gmail.com>
#
# This file is released under the GPLv3.
#
# inspired from _yum and systemctl-bash-completion.sh (shipped with systemctl)
#
# TODO: enable options after commands. Ex: systemctl list-units --all --full
# Main dispatcher
_systemd()
{
local curcontext="$curcontext" state lstate line
case "$service" in
systemctl)
# -s for aggregated options like -aP
_arguments -s \
{-h,--help}'[Show help]' \
'--version[Show package version]' \
{-t,--type=}'[List only units of a particular type]:unit type:(automount device mount path service snapshot socket swap target timer)' \
\*{-p,--property=}'[Show only properties by specific name]:unit property:()' \
{-a,--all}'[Show all units/properties, including dead/empty ones]' \
'--failed[Show only failed units]' \
"--full[Don't ellipsize unit names on output]" \
'--fail[When queueing a new job, fail if conflicting jobs are pending]' \
'--ignore-dependencies[When queueing a new job, ignore all its dependencies]' \
'--kill-mode=[How to send signal]:killmode:(control-group process)' \
'--kill-who=[Who to send signal to]:killwho:(main control all)' \
{-s,--signal=}'[Which signal to send]:signal:_signals' \
{-H,--host=}'[Show information for remote host]:userathost:_hosts_or_user_at_host' \
{-P,--privileged}'[Acquire privileges before execution]' \
{-q,--quiet}'[Suppress output]' \
'--no-block[Do not wait until operation finished]' \
"--no-wall[Don't send wall message before halt/power-off/reboot]" \
"--no-reload[When enabling/disabling unit files, don't reload daemon configuration]" \
'--no-legend[Do not print a legend, i.e. the column headers and the footer with hints]' \
'--no-pager[Do not pipe output into a pager]' \
'--no-ask-password[Do not ask for system passwords]' \
'--order[When generating graph for dot, show only order]' \
'--require[When generating graph for dot, show only requirement]' \
'--system[Connect to system manager]' \
'--user[Connect to user service manager]' \
'--global[Enable/disable unit files globally]' \
{-f,--force}'[When enabling unit files, override existing symlinks. When shutting down, execute action immediately]' \
'--root=[Enable unit files in the specified root directory]:directory:_directories' \
'--runtime[Enable unit files only temporarily until next reboot]' \
'*::systemctl command:_systemctl_command'
;;
systemd-loginctl)
_arguments -s \
{-h,--help}'[Show help]' \
'--version[Show package version]' \
\*{-p,--property=}'[Show only properties by this name]:unit property:' \
{-a,--all}'[Show all properties, including empty ones]' \
'--failed[Show only failed units]' \
'--kill-who=[Who to send signal to]:killwho:(main control all)' \
{-s,--signal=}'[Which signal to send]:signal:_signals' \
{-H,--host=}'[Show information for remote host]:userathost:_hosts_or_user_at_host' \
{-P,--privileged}'[Acquire privileges before execution]' \
'--no-pager[Do not pipe output into a pager]' \
'*::systemd-loginctl command:_systemd_loginctl_command'
;;
*) _message 'eh?' ;;
esac
}
_hosts_or_user_at_host()
{
_alternative \
'users-hosts:: _user_at_host' \
'hosts:: _hosts'
}
(( $+functions[_systemctl_command] )) || _systemctl_command()
{
local -a _systemctl_cmds
_systemctl_cmds=(
"list-units:List units"
"start:Start (activate) one or more units"
"stop:Stop (deactivate) one or more units"
"reload:Reload one or more units"
"restart:Start or restart one or more units"
"condrestart:Restart one or more units if active"
"try-restart:Restart one or more units if active"
"reload-or-restart:Reload one or more units is possible, otherwise start or restart"
"force-reload:Reload one or more units is possible, otherwise restart if active"
"reload-or-try-restart:Reload one or more units is possible, otherwise restart if active"
"isolate:Start one unit and stop all others"
"kill:Send signal to processes of a unit"
"is-active:Check whether units are active"
"status:Show runtime status of one or more units"
"show:Show properties of one or more units/jobs or the manager"
"reset-failed:Reset failed state for all, one, or more units"
"load:Load one or more units"
"list-unit-files:List installed unit files"
"enable:Enable one or more unit files"
"disable:Disable one or more unit files"
"reenable:Reenable one or more unit files"
"preset:Enable/disable one or more unit files based on preset configuration"
"mask:Mask one or more units"
"unmask:Unmask one or more units"
"link:Link one or more units files into the search path"
"is-enabled:Check whether unit files are enabled"
"list-jobs:List jobs"
"cancel:Cancel all, one, or more jobs"
"dump:Dump server status"
"dot:Dump dependency graph for dot(1)"
"snapshot:Create a snapshot"
"delete:Remove one or more snapshots"
"show-environment:Dump environment"
"set-environment:Set one or more environment variables"
"unset-environment:Unset one or more environment variables"
"daemon-reload:Reload systemd manager configuration"
"daemon-reexec:Reexecute systemd manager"
"default:Enter system default mode"
"rescue:Enter system rescue mode"
"emergency:Enter system emergency mode"
"halt:Shut down and halt the system"
"poweroff:Shut down and power-off the system"
"reboot:Shut down and reboot the system"
"kexec:Shut down and reboot the system with kexec"
"exit:Ask for user instance termination"
"switch-root:Change to a different root file system"
"suspend:Suspend the system"
"hibernate:Hibernate the system"
"hibernate-sleep:Hibernate and suspend the system"
)
if (( CURRENT == 1 )); then
_describe -t commands 'systemctl command' _systemctl_cmds || compadd "$@"
else
local curcontext="$curcontext"
cmd="${${_systemctl_cmds[(r)$words[1]:*]%%:*}}"
# Deal with any aliases
case $cmd in
condrestart) cmd="try-restart";;
force-reload) cmd="reload-or-try-restart";;
esac
if (( $#cmd )); then
curcontext="${curcontext%:*:*}:systemctl-${cmd}:"
local update_policy
zstyle -s ":completion:${curcontext}:" cache-policy update_policy
if [[ -z "$update_policy" ]]; then
zstyle ":completion:${curcontext}:" cache-policy _systemctl_caching_policy
fi
_call_function ret _systemctl_$cmd || _message 'no more arguments'
else
_message "unknown systemctl command: $words[1]"
fi
return ret
fi
}
__systemctl()
{
systemctl --full --no-legend --no-pager "$@"
}
# Fills the unit list
_systemctl_all_units()
{
if ( [[ ${+_sys_all_units} -eq 0 ]] || _cache_invalid SYS_ALL_UNITS ) &&
! _retrieve_cache SYS_ALL_UNITS;
then
_sys_all_units=( $(__systemctl list-units --all | { while read a b; do echo "$a"; done; }) )
_store_cache SYS_ALL_UNITS _sys_all_units
fi
}
# Fills the unit list including all file units
_systemctl_really_all_units()
{
local -a all_unit_files;
local -a really_all_units;
if ( [[ ${+_sys_really_all_units} -eq 0 ]] || _cache_invalid SYS_REALLY_ALL_UNITS ) &&
! _retrieve_cache SYS_REALLY_ALL_UNITS;
then
all_unit_files=( $(__systemctl list-unit-files | { while read a b; do echo "$a"; done; }) )
_systemctl_all_units
really_all_units=($_sys_all_units $all_unit_files)
_sys_really_all_units=(${(u)really_all_units})
_store_cache SYS_REALLY_ALL_UNITS _sys_really_all_units
fi
}
_filter_units_by_property() {
local property=$1 value=$2 ; shift ; shift
local -a units ; units=($*)
local prop unit
for ((i=1; $i <= ${#units[*]}; i++)); do
# FIXME: "Failed to issue method call: Unknown unit" errors are ignored for
# now (related to DBUS_ERROR_UNKNOWN_OBJECT). in the future, we need to
# revert to calling 'systemctl show' once for all units, which is way
# faster
unit=${units[i]}
prop=$(systemctl show --no-pager --property="$property" ${unit} 2>/dev/null)
if [[ "${prop}" = "$property=$value" ]]; then
echo "${unit}"
fi
done
}
_systemctl_active_units() {_sys_active_units=( $(__systemctl list-units | { while read a b; do echo "$a"; done; }) )}
_systemctl_inactive_units(){_sys_inactive_units=($(__systemctl list-units --all | { while read a b c d; do [[ $c == "inactive" ]] && echo "$a"; done; }) )}
_systemctl_failed_units() {_sys_failed_units=( $(__systemctl list-units --failed | { while read a b; do echo "$a"; done; }) )}
_systemctl_enabled_units() {_sys_enabled_units=( $(__systemctl list-unit-files | { while read a b; do [[ $b == "enabled" ]] && echo "$a"; done; }) )}
_systemctl_disabled_units(){_sys_disabled_units=($(__systemctl list-unit-files | { while read a b; do [[ $b == "disabled" ]] && echo "$a"; done; }) )}
_systemctl_masked_units() {_sys_masked_units=( $(__systemctl list-unit-files | { while read a b; do [[ $b == "masked" ]] && echo "$a"; done; }) )}
# Completion functions for ALL_UNITS
for fun in is-active is-enabled status show mask preset ; do
(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
{
_systemctl_really_all_units
compadd "$@" -a - _sys_really_all_units
}
done
# Completion functions for ENABLED_UNITS
for fun in disable reenable ; do
(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
{
_systemctl_enabled_units
compadd "$@" -a - _sys_enabled_units
}
done
# Completion functions for DISABLED_UNITS
(( $+functions[_systemctl_enable] )) || _systemctl_enable()
{
_systemctl_disabled_units
compadd "$@" -a - _sys_disabled_units
}
# Completion functions for FAILED_UNITS
(( $+functions[_systemctl_reset-failed] )) || _systemctl_reset-failed()
{
_systemctl_failed_units
compadd "$@" -a - _sys_failed_units || _message "no failed unit found"
}
# Completion functions for STARTABLE_UNITS
(( $+functions[_systemctl_start] )) || _systemctl_start()
{
_systemctl_inactive_units
compadd "$@" -a - _sys_inactive_units
}
# Completion functions for STOPPABLE_UNITS
for fun in stop kill try-restart condrestart ; do
(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
{
_systemctl_active_units
compadd "$@" - $( _filter_units_by_property CanStop yes \
${_sys_active_units[*]} )
}
done
# Completion functions for ISOLATABLE_UNITS
(( $+functions[_systemctl_isolate] )) || _systemctl_isolate()
{
_systemctl_all_units
compadd "$@" - $( _filter_units_by_property AllowIsolate yes \
${_sys_all_units[*]} )
}
# Completion functions for RELOADABLE_UNITS
for fun in reload reload-or-try-restart force-reload ; do
(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
{
_systemctl_active_units
compadd "$@" - $( _filter_units_by_property CanReload yes \
${_sys_active_units[*]} )
}
done
# Completion functions for RESTARTABLE_UNITS
for fun in restart reload-or-restart ; do
(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
{
_systemctl_all_units
compadd "$@" - $( _filter_units_by_property CanStart yes \
${_sys_all_units[*]} | while read line; do \
[[ "$line" =~ \.(device|snapshot|socket|timer)$ ]] || echo "$line"; \
done )
}
done
# Completion functions for MASKED_UNITS
(( $+functions[_systemctl_unmask] )) || _systemctl_unmask()
{
_systemctl_masked_units
compadd "$@" -a - _sys_masked_units || _message "no masked unit found"
}
# Completion functions for JOBS
(( $+functions[_systemctl_cancel] )) || _systemctl_cancel()
{
compadd "$@" - $(__systemctl list-jobs \
| cut -d' ' -f1 2>/dev/null ) || _message "no job found"
}
# Completion functions for SNAPSHOTS
(( $+functions[_systemctl_delete] )) || _systemctl_delete()
{
compadd "$@" - $(__systemctl list-units --type snapshot --all \
| cut -d' ' -f1 2>/dev/null ) || _message "no snampshot found"
}
# Completion functions for ENVS
for fun in set-environment unset-environment ; do
(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
{
local fun=$0 ; fun=${fun##_systemctl_}
local suf
if [[ "${fun}" = "set-environment" ]]; then
suf='-S='
fi
compadd "$@" ${suf} - $(systemctl show-environment \
| while read line; do echo "${line%%\=}";done )
}
done
(( $+functions[_systemctl_link] )) || _systemctl_link() { _files }
(( $+functions[_systemctl_switch-root] )) || _systemctl_switch-root()
{
if (( CURRENT == 2 )); then
_directories
fi
}
# no systemctl completion for:
# [STANDALONE]='daemon-reexec daemon-reload default dot dump
# emergency exit halt kexec list-jobs list-units
# list-unit-files poweroff reboot rescue show-environment'
# [NAME]='snapshot load'
_systemctl_caching_policy()
{
local _sysunits
local -a oldcache
# rebuild if cache is more than a day old
oldcache=( "$1"(mh+1) )
(( $#oldcache )) && return 0
_sysunits=($(__systemctl --all | cut -d' ' -f1))
if (( $#_sysunits )); then
for unit in $_sysunits; do
[[ "$unit" -nt "$1" ]] && return 0
done
fi
return 1
}
_systemd_loginctl_all_sessions(){_sys_all_sessions=($(systemd-loginctl list-sessions | { while read a b; do echo "$a"; done; }) )}
_systemd_loginctl_all_users() {_sys_all_users=( $(systemd-loginctl list-users | { while read a b; do echo "$a"; done; }) )}
_systemd_loginctl_all_seats() {_sys_all_seats=( $(systemd-loginctl list-seats | { while read a b; do echo "$a"; done; }) )}
# Completion functions for SESSIONS
for fun in session-status show-session activate lock-session unlock-session terminate-session kill-session ; do
(( $+functions[_systemd_loginctl_$fun] )) || _systemd_loginctl_$fun()
{
_systemd_loginctl_all_sessions
compadd "$@" -a - _sys_all_sessions
}
done
# Completion functions for USERS
for fun in user-status show-user enable-linger disable-linger terminate-user kill-user ; do
(( $+functions[_systemd_loginctl_$fun] )) || _systemd_loginctl_$fun()
{
_systemd_loginctl_all_users
compadd "$@" -a - _sys_all_users
}
done
# Completion functions for SEATS
(( $+functions[_systemd_loginctl_seats] )) || _systemd_loginctl_seats()
{
_systemd_loginctl_all_seats
compadd "$@" -a - _sys_all_seats
}
for fun in seat-status show-seat terminate-seat ; do
(( $+functions[_systemd_loginctl_$fun] )) || _systemd_loginctl_$fun()
{ _systemd_loginctl_seats }
done
# Completion functions for ATTACH
(( $+functions[_systemd_loginctl_attach] )) || _systemd_loginctl_attach()
{
_systemd_loginctl_all_seats
_arguments -w -C -S -s \
':seat:_systemd_loginctl_seats' \
'*:device:_files'
}
# no systemd-loginctl completion for:
# [STANDALONE]='list-sessions list-users list-seats flush-devices'
(( $+functions[_systemd_loginctl_command] )) || _systemd_loginctl_command()
{
local -a _systemd_loginctl_cmds
_systemd_loginctl_cmds=(
"list-sessions:List sessions"
"session-status:Show session status"
"show-session:Show properties of one or more sessions"
"activate:Activate a session"
"lock-session:Screen lock one or more sessions"
"unlock-session:Screen unlock one or more sessions"
"terminate-session:Terminate one or more sessions"
"kill-session:Send signal to processes of a session"
"list-users:List users"
"user-status:Show user status"
"show-user:Show properties of one or more users"
"enable-linger:Enable linger state of one or more users"
"disable-linger:Disable linger state of one or more users"
"terminate-user:Terminate all sessions of one or more users"
"kill-user:Send signal to processes of a user"
"list-seats:List seats"
"seat-status:Show seat status"
"show-seat:Show properties of one or more seats"
"attach:Attach one or more devices to a seat"
"flush-devices:Flush all device associations"
"terminate-seat:Terminate all sessions on one or more seats"
)
if (( CURRENT == 1 )); then
_describe -t commands 'systemd-loginctl command' _systemd_loginctl_cmds || compadd "$@"
else
local curcontext="$curcontext"
cmd="${${_systemd_loginctl_cmds[(r)$words[1]:*]%%:*}}"
if (( $#cmd )); then
curcontext="${curcontext%:*:*}:systemd_loginctl-${cmd}:"
_call_function ret _systemd_loginctl_$cmd || _message 'no more arguments'
else
_message "unknown systemd-loginctl command: $words[1]"
fi
return ret
fi
}
_systemd "$@"
# Local Variables:
# mode: sh
# sh-indentation: 2
# indent-tabs-mode: nil
# sh-basic-offset: 2
# End: