split up grp-{hostname,locale}, grp-resolve/systemd-resolve{,d}; shell completion

3 files changed, 677 insertions, 0 deletions

diff --git a/src/grp-system/systemctl/.gitignore b/src/grp-system/systemctl/.gitignore
new file mode 100644
index 0000000000..89c7427edd
--- /dev/null
+++ b/src/grp-system/systemctl/.gitignore
@@ -0,0 +1,2 @@
+/systemctl.completion.bash
+/systemctl.completion.zsh
diff --git a/src/grp-system/systemctl/systemctl.completion.bash.in b/src/grp-system/systemctl/systemctl.completion.bash.in
new file mode 100644
index 0000000000..6f2b3f122c
--- /dev/null
+++ b/src/grp-system/systemctl/systemctl.completion.bash.in
@@ -0,0 +1,284 @@
+# systemctl(1) completion                                 -*- shell-script -*-
+#
+# This file is part of systemd.
+#
+# Copyright 2010 Ran Benita
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+#
+# systemd is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+__systemctl() {
+        local mode=$1; shift 1
+        systemctl $mode --full --no-legend "$@"
+}
+
+__systemd_properties() {
+        local mode=$1
+        { __systemctl $mode show --all;
+         @rootlibexecdir@/systemd --dump-configuration-items; } |
+        while IFS='=' read -r key value; do
+            [[ $value ]] && echo "$key"
+        done
+}
+
+__contains_word () {
+        local w word=$1; shift
+        for w in "$@"; do
+                [[ $w = "$word" ]] && return
+        done
+}
+
+__filter_units_by_property () {
+        local mode=$1 property=$2 value=$3 ; shift 3
+        local units=("$@")
+        local props
+        IFS=$'\n' read -rd '' -a props < \
+            <(__systemctl $mode show --property "$property" -- "${units[@]}")
+        for ((i=0; $i < ${#units[*]}; i++)); do
+                if [[ "${props[i]}" = "$property=$value" ]]; then
+                        echo " ${units[i]}"
+                fi
+        done
+}
+
+__get_all_units      () { { __systemctl $1 list-unit-files; __systemctl $1 list-units --all; } \
+        | { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }; }
+__get_template_names () { __systemctl $1 list-unit-files \
+        | { while read -r a b; do [[ $a =~ @\. ]] && echo " ${a%%@.*}@"; done; }; }
+
+__get_active_units   () { __systemctl $1 list-units       \
+        | { while read -r a b; do echo " $a"; done; }; }
+__get_startable_units () {
+        # find startable inactive units
+        __filter_units_by_property $mode ActiveState inactive $(
+            __filter_units_by_property $mode CanStart yes $(
+                __systemctl $mode list-unit-files --state enabled,disabled,static | \
+                    { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }
+                __systemctl $mode list-units --state inactive,failed | \
+                    { while read -r a b; do echo " $a"; done; } ))
+}
+__get_restartable_units () {
+        # filter out masked and not-found
+        __filter_units_by_property $mode CanStart yes $(
+            __systemctl $mode list-unit-files --state enabled,disabled,static | \
+                    { while read -r a b; do [[ $a =~ @\. ]] || echo " $a"; done; }
+            __systemctl $mode list-units | \
+                    { while read -r a b; do echo " $a"; done; } )
+}
+__get_failed_units   () { __systemctl $1 list-units       \
+        | { while read -r a b c d; do [[ $c == "failed"   ]] && echo " $a"; done; }; }
+__get_enabled_units  () { __systemctl $1 list-unit-files  \
+        | { while read -r a b c  ; do [[ $b == "enabled"  ]] && echo " $a"; done; }; }
+__get_disabled_units () { __systemctl $1 list-unit-files  \
+        | { while read -r a b c  ; do [[ $b == "disabled" ]] && echo " $a"; done; }; }
+__get_masked_units   () { __systemctl $1 list-unit-files  \
+        | { while read -r a b c  ; do [[ $b == "masked"   ]] && echo " $a"; done; }; }
+__get_all_unit_files () { { __systemctl $1 list-unit-files; } | { while read -r a b; do echo " $a"; done; }; }
+
+__get_machines() {
+        local a b
+        { machinectl list-images --no-legend --no-pager; machinectl list --no-legend --no-pager; } | \
+		{ while read a b; do echo " $a"; done; }
+}
+
+_systemctl () {
+        local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
+        local i verb comps mode
+
+        local -A OPTS=(
+               [STANDALONE]='--all -a --reverse --after --before --defaults --force -f --full -l --global
+                             --help -h --no-ask-password --no-block --no-legend --no-pager --no-reload --no-wall
+                             --quiet -q --privileged -P --system --user --version --runtime --recursive -r --firmware-setup
+                             --show-types -i --ignore-inhibitors --plain'
+                      [ARG]='--host -H --kill-who --property -p --signal -s --type -t --state --job-mode --root
+                             --preset-mode -n --lines -o --output -M --machine'
+        )
+
+        if __contains_word "--user" ${COMP_WORDS[*]}; then
+            mode=--user
+        elif __contains_word "--global" ${COMP_WORDS[*]}; then
+            mode=--user
+        else
+            mode=--system
+        fi
+
+        if __contains_word "$prev" ${OPTS[ARG]}; then
+                case $prev in
+                        --signal|-s)
+                                _signals
+                                return
+                        ;;
+                        --type|-t)
+                                comps=$(__systemctl $mode -t help)
+                        ;;
+                        --state)
+                                comps=$(__systemctl $mode --state=help)
+                        ;;
+                        --job-mode)
+                                comps='fail replace replace-irreversibly isolate
+                                       ignore-dependencies ignore-requirements flush'
+                        ;;
+                        --kill-who)
+                                comps='all control main'
+                        ;;
+                        --root)
+                                comps=$(compgen -A directory -- "$cur" )
+                                compopt -o filenames
+                        ;;
+                        --host|-H)
+                                comps=$(compgen -A hostname)
+                        ;;
+                        --property|-p)
+                                comps=$(__systemd_properties $mode)
+                        ;;
+                        --preset-mode)
+                                comps='full enable-only disable-only'
+                        ;;
+                        --output|-o)
+                                comps='short short-iso short-precise short-monotonic verbose export json
+                                       json-pretty json-sse cat'
+                        ;;
+                        --machine|-M)
+                                comps=$( __get_machines )
+                        ;;
+                esac
+                COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+                return 0
+        fi
+
+        if [[ "$cur" = -* ]]; then
+                COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
+                return 0
+        fi
+
+        local -A VERBS=(
+                [ALL_UNITS]='is-active is-failed is-enabled status show cat mask preset help list-dependencies edit set-property'
+            [ENABLED_UNITS]='disable'
+           [DISABLED_UNITS]='enable'
+        [REENABLABLE_UNITS]='reenable'
+             [FAILED_UNITS]='reset-failed'
+          [STARTABLE_UNITS]='start'
+          [STOPPABLE_UNITS]='stop condstop kill try-restart condrestart'
+         [ISOLATABLE_UNITS]='isolate'
+         [RELOADABLE_UNITS]='reload condreload try-reload-or-restart force-reload'
+        [RESTARTABLE_UNITS]='restart reload-or-restart'
+         [TARGET_AND_UNITS]='add-wants add-requires'
+             [MASKED_UNITS]='unmask'
+                     [JOBS]='cancel'
+                     [ENVS]='set-environment unset-environment'
+               [STANDALONE]='daemon-reexec daemon-reload default
+                             emergency exit halt hibernate hybrid-sleep kexec list-jobs
+                             list-sockets list-timers list-units list-unit-files poweroff
+                             reboot rescue show-environment suspend get-default
+                             is-system-running'
+                     [FILE]='link switch-root'
+                  [TARGETS]='set-default'
+        )
+
+        for ((i=0; i < COMP_CWORD; i++)); do
+                if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
+                 ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
+                        verb=${COMP_WORDS[i]}
+                        break
+                fi
+        done
+
+        if [[ -z $verb ]]; then
+                comps="${VERBS[*]}"
+
+        elif __contains_word "$verb" ${VERBS[ALL_UNITS]}; then
+                comps=$( __get_all_units $mode )
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[ENABLED_UNITS]}; then
+                comps=$( __get_enabled_units $mode )
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[DISABLED_UNITS]}; then
+                comps=$( __get_disabled_units $mode;
+                        __get_template_names $mode)
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[REENABLABLE_UNITS]}; then
+                comps=$( __get_disabled_units $mode;
+                         __get_enabled_units $mode;
+                         __get_template_names $mode)
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[STARTABLE_UNITS]}; then
+                comps=$( __get_startable_units $mode;
+                         __get_template_names $mode)
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[RESTARTABLE_UNITS]}; then
+                comps=$( __get_restartable_units $mode;
+                         __get_template_names $mode)
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[STOPPABLE_UNITS]}; then
+                comps=$( __filter_units_by_property $mode CanStop yes \
+                      $( __get_active_units $mode ) )
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[RELOADABLE_UNITS]}; then
+                comps=$( __filter_units_by_property $mode CanReload yes \
+                      $( __get_active_units $mode ) )
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[ISOLATABLE_UNITS]}; then
+                comps=$( __filter_units_by_property $mode AllowIsolate yes \
+                      $( __get_all_units $mode ) )
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[FAILED_UNITS]}; then
+                comps=$( __get_failed_units $mode )
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[MASKED_UNITS]}; then
+                comps=$( __get_masked_units $mode )
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[TARGET_AND_UNITS]}; then
+                if __contains_word "$prev" ${VERBS[TARGET_AND_UNITS]} \
+                || __contains_word "$prev" ${OPTS[STANDALONE]}; then
+                        comps=$( __systemctl $mode list-unit-files --type target --all \
+                        | { while read -r a b; do echo " $a"; done; } )
+                else
+                        comps=$( __get_all_unit_files $mode )
+                fi
+                compopt -o filenames
+
+        elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
+                comps=''
+
+        elif __contains_word "$verb" ${VERBS[JOBS]}; then
+                comps=$( __systemctl $mode list-jobs | { while read -r a b; do echo " $a"; done; } )
+
+        elif __contains_word "$verb" ${VERBS[ENVS]}; then
+                comps=$( __systemctl $mode show-environment \
+                    | while read -r line; do echo " ${line%%=*}=";done )
+                compopt -o nospace
+
+        elif __contains_word "$verb" ${VERBS[FILE]}; then
+                comps=$( compgen -A file -- "$cur" )
+                compopt -o filenames
+        elif __contains_word "$verb" ${VERBS[TARGETS]}; then
+                comps=$( __systemctl $mode list-unit-files --type target --full --all \
+                        | { while read -r a b; do echo " $a"; done; } )
+        fi
+
+        COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
+        return 0
+}
+
+complete -F _systemctl systemctl
diff --git a/src/grp-system/systemctl/systemctl.completion.zsh.in b/src/grp-system/systemctl/systemctl.completion.zsh.in
new file mode 100644
index 0000000000..44c31b7833
--- /dev/null
+++ b/src/grp-system/systemctl/systemctl.completion.zsh.in
@@ -0,0 +1,391 @@
+#compdef systemctl
+
+(( $+functions[_systemctl_command] )) || _systemctl_command()
+{
+  local -a _systemctl_cmds
+  _systemctl_cmds=(
+    "list-sockets:List sockets"
+    "list-timers:List timers"
+    "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"
+    "try-reload-or-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"
+    "cat:Show the source unit files and drop-ins"
+    "reset-failed:Reset failed state for all, 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"
+    "set-default:Set the default target"
+    "get-default:Query the default target"
+    "edit:Edit one or more unit files"
+    "is-system-running:Query overall status of the system"
+    "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"
+    "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"
+    "switch-root:Change root directory"
+  )
+
+  if (( CURRENT == 1 )); then
+    _describe -t commands 'systemctl command' _systemctl_cmds || compadd "$@"
+  else
+    local curcontext="$curcontext" expl
+
+    cmd="${${_systemctl_cmds[(r)$words[1]:*]%%:*}}"
+    # Deal with any aliases
+    case $cmd in
+      condrestart) cmd="try-restart";;
+      force-reload) cmd="try-reload-or-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 $_sys_service_mgr --full --no-legend --no-pager "$@"
+}
+
+
+# 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=( ${${(f)"$(__systemctl list-units --all)"}%% *} )
+    _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=( ${${(f)"$(__systemctl list-unit-files)"}%% *} )
+    _systemctl_all_units
+    really_all_units=($_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 props
+  for props in ${(ps:\n\n:)"$(_call_program units "$service show --no-pager --property="Id,$property" -- ${units} 2>/dev/null")"}; do
+    props=(${(f)props})
+    if [[ "${props[2]}" = "$property=$value" ]]; then
+      echo -E - " ${props[1]#Id=}"
+    fi
+  done
+}
+
+_systemctl_get_template_names() { echo -E - ${^${(M)${(f)"$(__systemctl list-unit-files)"}##*@.[^[:space:]]##}%%@.*}\@ }
+
+
+_systemctl_active_units()  {_sys_active_units=(  ${${(f)"$(__systemctl list-units)"}%% *} )}
+
+_systemctl_startable_units(){
+    _sys_startable_units=( $( _filter_units_by_property ActiveState inactive $(
+                          _filter_units_by_property CanStart yes $(
+                          __systemctl $mode list-unit-files --state enabled,disabled,static | \
+                               { while read -r a b; do [[ $a =~ @\. ]] || echo -E - " $a"; done; }
+                          __systemctl $mode list-units --state inactive,failed | \
+                               { while read -r a b; do echo -E - " $a"; done; } )) ) )
+}
+
+_systemctl_restartable_units(){
+    _sys_restartable_units=( $(_filter_units_by_property CanStart yes $(
+                          __systemctl $mode list-unit-files --state enabled,disabled,static | \
+                               { while read -r a b; do [[ $a =~ @\. ]] || echo -E - " $a"; done; }
+                          __systemctl $mode list-units | \
+                               { while read -r a b; do echo -E - " $a"; done; } )) )
+}
+
+_systemctl_failed_units()  {_sys_failed_units=( ${${(f)"$(__systemctl list-units --state=failed)"}%% *} ) }
+_systemctl_unit_state() { typeset -gA _sys_unit_state; _sys_unit_state=( $(__systemctl list-unit-files) ) }
+
+local fun
+# Completion functions for ALL_UNITS
+for fun in is-active is-failed is-enabled status show cat mask preset help list-dependencies edit ; do
+  (( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
+  {
+    _systemctl_really_all_units
+    _wanted systemd-units expl unit \
+      compadd "$@" -a - _sys_really_all_units
+  }
+done
+
+# Completion functions for ENABLED_UNITS
+(( $+functions[_systemctl_disable] )) || _systemctl_disable()
+{
+    local _sys_unit_state; _systemctl_unit_state
+    _wanted systemd-units expl 'enabled unit' \
+      compadd "$@" - ${(k)_sys_unit_state[(R)enabled]}
+}
+
+(( $+functions[_systemctl_reenable] )) || _systemctl_reenable()
+{
+    local _sys_unit_state; _systemctl_unit_state
+    _wanted systemd-units expl 'enabled/disabled unit' \
+      compadd "$@" - ${(k)_sys_unit_state[(R)(enabled|disabled)]} $(_systemctl_get_template_names)
+}
+
+# Completion functions for DISABLED_UNITS
+(( $+functions[_systemctl_enable] )) || _systemctl_enable()
+{
+  local _sys_unit_state; _systemctl_unit_state
+  _wanted systemd-units expl 'disabled unit' \
+    compadd "$@" - ${(k)_sys_unit_state[(R)disabled]} $(_systemctl_get_template_names)
+}
+
+# Completion functions for FAILED_UNITS
+(( $+functions[_systemctl_reset-failed] )) || _systemctl_reset-failed()
+{
+  local _sys_failed_units; _systemctl_failed_units
+  _wanted systemd-units expl 'failed unit' \
+    compadd "$@" -a - _sys_failed_units || _message "no failed unit found"
+}
+
+# Completion functions for STARTABLE_UNITS
+(( $+functions[_systemctl_start] )) || _systemctl_start()
+{
+   local _sys_startable_units; _systemctl_startable_units
+   _wanted systemd-units expl 'startable unit' \
+     compadd "$@" - ${_sys_startable_units[*]} $(_systemctl_get_template_names)
+}
+
+# Completion functions for STOPPABLE_UNITS
+for fun in stop kill try-restart condrestart ; do
+  (( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
+  {
+    local _sys_active_units; _systemctl_active_units
+    _wanted systemd-units expl 'stoppable unit' \
+      compadd "$@" - $( _filter_units_by_property CanStop yes \
+        ${_sys_active_units[*]} )
+  }
+done
+
+# Completion functions for ISOLATABLE_UNITS
+(( $+functions[_systemctl_isolate] )) || _systemctl_isolate()
+{
+  _systemctl_all_units
+  _wanted systemd-units expl 'isolatable unit' \
+    compadd "$@" - $( _filter_units_by_property AllowIsolate yes \
+      ${_sys_all_units[*]} )
+}
+
+# Completion functions for RELOADABLE_UNITS
+for fun in reload try-reload-or-restart force-reload ; do
+  (( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
+  {
+    local _sys_active_units; _systemctl_active_units
+    _wanted systemd-units expl 'reloadable unit' \
+      compadd "$@" - $( _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_$fun()
+  {
+    local _sys_restartable_units; _systemctl_restartable_units
+    _wanted systemd-units expl 'restartable unit' \
+      compadd "$@" - ${_sys_restartable_units[*]} $(_systemctl_get_template_names)
+  }
+done
+
+# Completion functions for MASKED_UNITS
+(( $+functions[_systemctl_unmask] )) || _systemctl_unmask()
+{
+  local _sys_unit_state; _systemctl_unit_state
+  _wanted systemd-units expl 'masked unit' \
+    compadd "$@" - ${(k)_sys_unit_state[(R)masked]} || _message "no masked units found"
+}
+
+# Completion functions for JOBS
+(( $+functions[_systemctl_cancel] )) || _systemctl_cancel()
+{
+  _wanted systemd-jobs expl job \
+    compadd "$@" - ${${(f)"$(__systemctl list-jobs)"}%% *} ||
+      _message "no jobs found"
+}
+
+# Completion functions for TARGETS
+(( $+functions[_systemctl_set-default] )) || _systemctl_set-default()
+{
+  _wanted systemd-targets expl target \
+    compadd "$@" - ${${(f)"$(__systemctl list-unit-files --type target --all)"}%% *} ||
+      _message "no targets 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 [[ "${fun}" = "set-environment" ]]; then
+      suf='-S='
+    fi
+    _wanted systemd-environment expl 'environment variable' \
+      compadd "$@" ${suf} - ${${(f)"$(systemctl show-environment)"}%%=*}
+  }
+done
+
+(( $+functions[_systemctl_link] )) || _systemctl_link() {
+   _sd_unit_files
+}
+
+(( $+functions[_systemctl_switch-root] )) || _systemctl_switch-root() {
+   _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'
+
+_systemctl_caching_policy()
+{
+  local _sysunits
+  local -a oldcache
+
+  # rebuild if cache is more than a day old
+  oldcache=( "$1"(mh+1) )
+  (( $#oldcache )) && return 0
+
+  _sysunits=(${${(f)"$(__systemctl --all)"}%% *})
+
+  if (( $#_sysunits )); then
+    for unit in $_sysunits; do
+      [[ "$unit" -nt "$1" ]] && return 0
+    done
+  fi
+
+  return 1
+}
+
+_unit_states() {
+    local -a _states
+    _states=("${(fo)$(__systemctl --state=help)}")
+    _values -s , "${_states[@]}"
+}
+
+_unit_types() {
+    local -a _types
+    _types=("${(fo)$(__systemctl -t help)}")
+    _values -s , "${_types[@]}"
+}
+
+_unit_properties() {
+  if ( [[ ${+_sys_all_properties} -eq 0 ]] || _cache_invalid SYS_ALL_PROPERTIES ) &&
+    ! _retrieve_cache SYS_ALL_PROPERTIES;
+  then
+    _sys_all_properties=( ${${(M)${(f)"$(__systemctl show --all;
+    @rootlibexecdir@/systemd --dump-configuration-items)"}##[[:alnum:]]##=*}%%=*}
+    )
+    _store_cache SYS_ALL_PROPRTIES _sys_all_properties
+  fi
+  _values -s , "${_sys_all_properties[@]}"
+}
+
+_job_modes() {
+    local -a _modes
+    _modes=(fail replace replace-irreversibly isolate ignore-dependencies ignore-requirements flush)
+    _values -s , "${_modes[@]}"
+}
+
+local -a _modes; _modes=("--user" "--system")
+local _sys_service_mgr=${${words:*_modes}[(R)(${(j.|.)_modes})]:---system}
+_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 specified state]:unit state:_unit_states' \
+    '--job-mode=[Specify how to deal with other jobs]:mode:_job_modes' \
+    {-p+,--property=}'[Show only properties by specific name]:unit property:_unit_properties' \
+    {-a,--all}'[Show all units/properties, including dead/empty ones]' \
+    '--reverse[Show reverse dependencies]' \
+    '--after[Show units ordered after]' \
+    '--before[Show units ordered before]' \
+    {-l,--full}"[Don't ellipsize unit names on output]" \
+    '--show-types[When showing sockets, show socket type]' \
+    {-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=}'[Operate on 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' \
+    '--firmware-setup[Tell the firmware to show the setup menu on next boot]' \
+    '--plain[When used with list-dependencies, print output as a list]' \
+    '*::systemctl command:_systemctl_command'