#compdef systemctl

(( $+functions[_systemctl_command] )) || _systemctl_command()

{

local -a _systemctl_cmds

_systemctl_cmds=(

"list-sockets:List sockets"

"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 if possible, otherwise start or restart"

"force-reload:Reload one or more units if possible, otherwise restart if active"

"hibernate:Hibernate the system"

"hybrid-sleep:Hibernate and suspend the system"

"reload-or-try-restart:Reload one or more units if 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"

"is-failed:Check whether units are failed"

"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"

"help:Show documentation for specified units"

"list-dependencies:Show unit dependency tree"

"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"

"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"

"suspend:Suspend 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"

)

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()

{

local -a _modes

_modes=("--user" "--system")

systemctl ${words:*_modes} --full --no-legend --no-pager "$@"

}

# 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=${(f)"$(_call_program units "$service show --no-pager --property="$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" || $c == "failed" ]] && 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-failed is-enabled status show mask preset help list-dependencies ; 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

_systemctl_disabled_units

compadd "$@" -a - _sys_enabled_units _sys_disabled_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 \

[[ "$line" =~ \.device$ ]] || 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 snapshot 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 }

# no systemctl completion for:

# [STANDALONE]='daemon-reexec daemon-reload default

# 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

}

_unit_states() {

local -a _states

_states=(loaded failed active inactive not-found listening running waiting plugged mounted exited dead masked)

_values -s , "${_states[@]}"

}

_unit_types() {

local -a _types

_types=(automount device mount path service snapshot socket swap target timer)

_values -s , "${_types[@]}"

}

_arguments -s \

{-h,--help}'[Show help]' \

'--version[Show package version]' \

{-t+,--type=}'[List only units of a particular type]:unit type:_unit_types' \

'--state=[Display units in the specifyied state]:unit state:_unit_states' \

\*{-p+,--property=}'[Show only properties by specific name]:unit property' \

{-a,--all}'[Show all units/properties, including dead/empty ones]' \

'--reverse[Show reverse dependencies]' \

'--after[Show units ordered after]' \

'--before[Show units ordered before]' \

'--failed[Show only failed units]' \

{-l,--full}"[Don't ellipsize unit names on output]" \

'--fail[When queueing a new job, fail if conflicting jobs are pending]' \

'--show-types[When showing sockets, show socket type]' \

'--irreversible[Mark transactions as irreversible]' \

'--ignore-dependencies[When queueing a new job, ignore all its dependencies]' \

{-i,--ignore-inhibitors}'[When executing a job, ignore jobs dependencies]' \

{-q,--quiet}'[Suppress output]' \

'--no-block[Do not wait until operation finished]' \

'--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]' \

'--system[Connect to system manager]' \

'--user[Connect to user service manager]' \

"--no-wall[Don't send wall message before halt/power-off/reboot]" \

'--global[Enable/disable unit files globally]' \

"--no-reload[When enabling/disabling unit files, don't reload daemon configuration]" \

'--no-ask-password[Do not ask for system passwords]' \

'--kill-who=[Who to send signal to]:killwho:(main control all)' \

{-s+,--signal=}'[Which signal to send]:signal:_signals' \

{-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]' \

{-H+,--host=}'[Show information for remote host]:userathost:_sd_hosts_or_user_at_host' \

{-P,--privileged}'[Acquire privileges before execution]' \

{-n+,--lines=}'[Journal entries to show]:number of entries' \

{-o+,--output=}'[Change journal output mode]:modes:_sd_outputmodes' \

'--plain[When used with list-dependencies, print output as a list]' \

'*::systemctl command:_systemctl_command'