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zsh-completion: a more style/tag aware _systemctl
[thirdparty/systemd.git] / shell-completion / zsh / _systemctl.in
1 #compdef systemctl
2
3 (( $+functions[_systemctl_command] )) || _systemctl_command()
4 {
5 local -a _systemctl_cmds
6 _systemctl_cmds=(
7 "list-sockets:List sockets"
8 "list-timers:List timers"
9 "list-units:List units"
10 "start:Start (activate) one or more units"
11 "stop:Stop (deactivate) one or more units"
12 "reload:Reload one or more units"
13 "restart:Start or restart one or more units"
14 "condrestart:Restart one or more units if active"
15 "try-restart:Restart one or more units if active"
16 "reload-or-restart:Reload one or more units if possible, otherwise start or restart"
17 "force-reload:Reload one or more units if possible, otherwise restart if active"
18 "hibernate:Hibernate the system"
19 "hybrid-sleep:Hibernate and suspend the system"
20 "reload-or-try-restart:Reload one or more units if possible, otherwise restart if active"
21 "isolate:Start one unit and stop all others"
22 "kill:Send signal to processes of a unit"
23 "is-active:Check whether units are active"
24 "is-failed:Check whether units are failed"
25 "status:Show runtime status of one or more units"
26 "show:Show properties of one or more units/jobs or the manager"
27 "cat:Show the source unit files and drop-ins"
28 "reset-failed:Reset failed state for all, one, or more units"
29 "list-unit-files:List installed unit files"
30 "enable:Enable one or more unit files"
31 "disable:Disable one or more unit files"
32 "reenable:Reenable one or more unit files"
33 "preset:Enable/disable one or more unit files based on preset configuration"
34 "set-default:Set the default target"
35 "get-default:Query the default target"
36 "edit:Edit one or more unit files"
37 "is-system-running:Query overall status of the system"
38 "help:Show documentation for specified units"
39 "list-dependencies:Show unit dependency tree"
40 "mask:Mask one or more units"
41 "unmask:Unmask one or more units"
42 "link:Link one or more units files into the search path"
43 "is-enabled:Check whether unit files are enabled"
44 "list-jobs:List jobs"
45 "cancel:Cancel all, one, or more jobs"
46 "snapshot:Create a snapshot"
47 "delete:Remove one or more snapshots"
48 "show-environment:Dump environment"
49 "set-environment:Set one or more environment variables"
50 "unset-environment:Unset one or more environment variables"
51 "daemon-reload:Reload systemd manager configuration"
52 "daemon-reexec:Reexecute systemd manager"
53 "default:Enter system default mode"
54 "rescue:Enter system rescue mode"
55 "emergency:Enter system emergency mode"
56 "halt:Shut down and halt the system"
57 "suspend:Suspend the system"
58 "poweroff:Shut down and power-off the system"
59 "reboot:Shut down and reboot the system"
60 "kexec:Shut down and reboot the system with kexec"
61 "exit:Ask for user instance termination"
62 "switch-root:Change root directory"
63 )
64
65 if (( CURRENT == 1 )); then
66 _describe -t commands 'systemctl command' _systemctl_cmds || compadd "$@"
67 else
68 local curcontext="$curcontext" expl
69
70 cmd="${${_systemctl_cmds[(r)$words[1]:*]%%:*}}"
71 # Deal with any aliases
72 case $cmd in
73 condrestart) cmd="try-restart";;
74 force-reload) cmd="reload-or-try-restart";;
75 esac
76
77 if (( $#cmd )); then
78 curcontext="${curcontext%:*:*}:systemctl-${cmd}:"
79
80 local update_policy
81 zstyle -s ":completion:${curcontext}:" cache-policy update_policy
82 if [[ -z "$update_policy" ]]; then
83 zstyle ":completion:${curcontext}:" cache-policy _systemctl_caching_policy
84 fi
85
86 _call_function ret _systemctl_$cmd || _message 'no more arguments'
87 else
88 _message "unknown systemctl command: $words[1]"
89 fi
90 return ret
91 fi
92 }
93
94 __systemctl()
95 {
96 local -a _modes
97 _modes=("--user" "--system")
98 systemctl ${words:*_modes} --full --no-legend --no-pager "$@"
99 }
100
101
102 # Fills the unit list
103 _systemctl_all_units()
104 {
105 if ( [[ ${+_sys_all_units} -eq 0 ]] || _cache_invalid SYS_ALL_UNITS ) &&
106 ! _retrieve_cache SYS_ALL_UNITS;
107 then
108 _sys_all_units=( ${${(f)"$(__systemctl list-units --all)"}%% *} )
109 _store_cache SYS_ALL_UNITS _sys_all_units
110 fi
111 }
112
113 # Fills the unit list including all file units
114 _systemctl_really_all_units()
115 {
116 local -a all_unit_files;
117 local -a really_all_units;
118 if ( [[ ${+_sys_really_all_units} -eq 0 ]] || _cache_invalid SYS_REALLY_ALL_UNITS ) &&
119 ! _retrieve_cache SYS_REALLY_ALL_UNITS;
120 then
121 all_unit_files=( ${${(f)"$(__systemctl list-unit-files)"}%% *} )
122 _systemctl_all_units
123 really_all_units=($_sys_all_units $all_unit_files)
124 _sys_really_all_units=(${(u)really_all_units})
125 _store_cache SYS_REALLY_ALL_UNITS _sys_really_all_units
126 fi
127 }
128
129 _filter_units_by_property() {
130 local property=$1 value=$2 ; shift ; shift
131 local -a units ; units=($*)
132 local prop unit
133 for ((i=1; $i <= ${#units[*]}; i++)); do
134 # FIXME: "Failed to issue method call: Unknown unit" errors are ignored for
135 # now (related to DBUS_ERROR_UNKNOWN_OBJECT). in the future, we need to
136 # revert to calling 'systemctl show' once for all units, which is way
137 # faster
138 unit=${units[i]}
139 prop=${(f)"$(_call_program units "$service show --no-pager --property="$property" ${unit} 2>/dev/null")"}
140 if [[ "${prop}" = "$property=$value" ]]; then
141 echo -E - " ${unit}"
142 fi
143 done
144 }
145
146 _systemctl_get_template_names() { echo -E - ${^${(M)${(f)"$(__systemctl list-unit-files)"}##*@.[^[:space:]]##}%%@.*}\@ }
147
148
149 _systemctl_active_units() {_sys_active_units=( ${${(f)"$(__systemctl list-units)"}%% *} )}
150
151 _systemctl_startable_units(){
152 _sys_startable_units=( $( _filter_units_by_property ActiveState inactive $(
153 _filter_units_by_property CanStart yes $(
154 __systemctl $mode list-unit-files --state enabled,disabled,static | \
155 { while read -r a b; do [[ $a =~ @\. ]] || echo -E - " $a"; done; }
156 __systemctl $mode list-units --state inactive,failed | \
157 { while read -r a b; do echo -E - " $a"; done; } )) ) )
158 }
159
160 _systemctl_restartable_units(){
161 _sys_restartable_units=( $(_filter_units_by_property CanStart yes $(
162 __systemctl $mode list-unit-files --state enabled,disabled,static | \
163 { while read -r a b; do [[ $a =~ @\. ]] || echo -E - " $a"; done; }
164 __systemctl $mode list-units | \
165 { while read -r a b; do echo -E - " $a"; done; } )) )
166 }
167
168 _systemctl_failed_units() {_sys_failed_units=( ${${(f)"$(__systemctl list-units --failed)"}%% *} ) }
169 _systemctl_unit_state() { typeset -gA _sys_unit_state; _sys_unit_state=( $(__systemctl list-unit-files) ) }
170
171 local fun
172 # Completion functions for ALL_UNITS
173 for fun in is-active is-failed is-enabled status show cat mask preset help list-dependencies edit ; do
174 (( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
175 {
176 _systemctl_really_all_units
177 _wanted systemd-units expl unit \
178 compadd "$@" -a - _sys_really_all_units
179 }
180 done
181
182 # Completion functions for ENABLED_UNITS
183 (( $+functions[_systemctl_disable] )) || _systemctl_disable()
184 {
185 local _sys_unit_state; _systemctl_unit_state
186 _wanted systemd-units expl 'enabled unit' \
187 compadd "$@" - ${(k)_sys_unit_state[(R)enabled]}
188 }
189
190 (( $+functions[_systemctl_reenable] )) || _systemctl_reenable()
191 {
192 local _sys_unit_state; _systemctl_unit_state
193 _wanted systemd-units expl 'enabled/disabled unit' \
194 compadd "$@" - ${(k)_sys_unit_state[(R)(enabled|disabled)]} $(_systemctl_get_template_names)
195 }
196
197 # Completion functions for DISABLED_UNITS
198 (( $+functions[_systemctl_enable] )) || _systemctl_enable()
199 {
200 local _sys_unit_state; _systemctl_unit_state
201 _wanted systemd-units expl 'disabled unit' \
202 compadd "$@" - ${(k)_sys_unit_state[(R)disabled]} $(_systemctl_get_template_names)
203 }
204
205 # Completion functions for FAILED_UNITS
206 (( $+functions[_systemctl_reset-failed] )) || _systemctl_reset-failed()
207 {
208 local _sys_failed_units; _systemctl_failed_units
209 _wanted systemd-units expl 'failed unit' \
210 compadd "$@" -a - _sys_failed_units || _message "no failed unit found"
211 }
212
213 # Completion functions for STARTABLE_UNITS
214 (( $+functions[_systemctl_start] )) || _systemctl_start()
215 {
216 local _sys_startable_units; _systemctl_startable_units
217 _wanted systemd-units expl 'startable unit' \
218 compadd "$@" - ${_sys_startable_units[*]} $(_systemctl_get_template_names)
219 }
220
221 # Completion functions for STOPPABLE_UNITS
222 for fun in stop kill try-restart condrestart ; do
223 (( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
224 {
225 local _sys_active_units; _systemctl_active_units
226 _wanted systemd-units expl 'stoppable unit' \
227 compadd "$@" - $( _filter_units_by_property CanStop yes \
228 ${_sys_active_units[*]} )
229 }
230 done
231
232 # Completion functions for ISOLATABLE_UNITS
233 (( $+functions[_systemctl_isolate] )) || _systemctl_isolate()
234 {
235 _systemctl_all_units
236 _wanted systemd-units expl 'isolatable unit' \
237 compadd "$@" - $( _filter_units_by_property AllowIsolate yes \
238 ${_sys_all_units[*]} )
239 }
240
241 # Completion functions for RELOADABLE_UNITS
242 for fun in reload reload-or-try-restart force-reload ; do
243 (( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
244 {
245 local _sys_active_units; _systemctl_active_units
246 _wanted systemd-units expl 'reloadable unit' \
247 compadd "$@" - $( _filter_units_by_property CanReload yes \
248 ${_sys_active_units[*]} )
249 }
250 done
251
252 # Completion functions for RESTARTABLE_UNITS
253 for fun in restart reload-or-restart ; do
254 (( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
255 {
256 local _sys_restartable_units; _systemctl_restartable_units
257 _wanted systemd-units expl 'restartable unit' \
258 compadd "$@" - ${_sys_restartable_units[*]} $(_systemctl_get_template_names)
259 }
260 done
261
262 # Completion functions for MASKED_UNITS
263 (( $+functions[_systemctl_unmask] )) || _systemctl_unmask()
264 {
265 local _sys_unit_state; _systemctl_unit_state
266 _wanted systemd-units expl 'masked unit' \
267 compadd "$@" - ${(k)_sys_unit_state[(R)masked]} || _message "no masked units found"
268 }
269
270 # Completion functions for JOBS
271 (( $+functions[_systemctl_cancel] )) || _systemctl_cancel()
272 {
273 _wanted systemd-jobs expl job \
274 compadd "$@" - ${${(f)"$(__systemctl list-jobs)"}%% *} ||
275 _message "no jobs found"
276 }
277
278 # Completion functions for SNAPSHOTS
279 (( $+functions[_systemctl_delete] )) || _systemctl_delete()
280 {
281 _wanted systemd-snapshots expl snapshot \
282 compadd "$@" - ${${(f)"$(__systemctl list-units --type snapshot --all)"}%% *} ||
283 _message "no snapshots found"
284 }
285
286 # Completion functions for TARGETS
287 (( $+functions[_systemctl_set-default] )) || _systemctl_set-default()
288 {
289 _wanted systemd-targets expl target \
290 compadd "$@" - ${${(f)"$(__systemctl list-unit-files --type target --all)"}%% *} ||
291 _message "no targets found"
292 }
293
294 # Completion functions for ENVS
295 for fun in set-environment unset-environment ; do
296 (( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
297 {
298 local fun=$0 ; fun=${fun##_systemctl_}
299 local suf
300 if [[ "${fun}" = "set-environment" ]]; then
301 suf='-S='
302 fi
303 _wanted systemd-environment expl 'environment variable' \
304 compadd "$@" ${suf} - ${${(f)"$(systemctl show-environment)"}%%=*}
305 }
306 done
307
308 (( $+functions[_systemctl_link] )) || _systemctl_link() {
309 _sd_unit_files
310 }
311
312 (( $+functions[_systemctl_switch-root] )) || _systemctl_switch-root() {
313 _files
314 }
315
316 # no systemctl completion for:
317 # [STANDALONE]='daemon-reexec daemon-reload default
318 # emergency exit halt kexec list-jobs list-units
319 # list-unit-files poweroff reboot rescue show-environment'
320 # [NAME]='snapshot'
321
322 _systemctl_caching_policy()
323 {
324 local _sysunits
325 local -a oldcache
326
327 # rebuild if cache is more than a day old
328 oldcache=( "$1"(mh+1) )
329 (( $#oldcache )) && return 0
330
331 _sysunits=(${${(f)"$(__systemctl --all)"}%% *})
332
333 if (( $#_sysunits )); then
334 for unit in $_sysunits; do
335 [[ "$unit" -nt "$1" ]] && return 0
336 done
337 fi
338
339 return 1
340 }
341
342 _unit_states() {
343 local -a _states
344 _states=(loaded failed active inactive not-found listening running waiting plugged mounted exited dead masked)
345 _values -s , "${_states[@]}"
346 }
347
348 _unit_types() {
349 local -a _types
350 _types=(automount busname device mount path service snapshot socket swap target timer)
351 _values -s , "${_types[@]}"
352 }
353
354 _unit_properties() {
355 if ( [[ ${+_sys_all_properties} -eq 0 ]] || _cache_invalid SYS_ALL_PROPERTIES ) &&
356 ! _retrieve_cache SYS_ALL_PROPERTIES;
357 then
358 _sys_all_properties=( ${${(M)${(f)"$(__systemctl show --all;
359 @rootlibexecdir@/systemd --dump-configuration-items)"}##[[:alnum:]]##=*}%%=*}
360 )
361 _store_cache SYS_ALL_PROPRTIES _sys_all_properties
362 fi
363 _values -s , "${_sys_all_properties[@]}"
364 }
365
366 _job_modes() {
367 local -a _modes
368 _modes=(fail replace replace-irreversibly isolate ignore-dependencies ignore-requirements flush)
369 _values -s , "${_modes[@]}"
370 }
371
372 _arguments -s \
373 {-h,--help}'[Show help]' \
374 '--version[Show package version]' \
375 {-t+,--type=}'[List only units of a particular type]:unit type:_unit_types' \
376 '--state=[Display units in the specified state]:unit state:_unit_states' \
377 '--job-mode=[Specify how to deal with other jobs]:mode:_job_modes' \
378 {-p+,--property=}'[Show only properties by specific name]:unit property:_unit_properties' \
379 {-a,--all}'[Show all units/properties, including dead/empty ones]' \
380 '--reverse[Show reverse dependencies]' \
381 '--after[Show units ordered after]' \
382 '--before[Show units ordered before]' \
383 '--failed[Show only failed units]' \
384 {-l,--full}"[Don't ellipsize unit names on output]" \
385 '--show-types[When showing sockets, show socket type]' \
386 {-i,--ignore-inhibitors}'[When executing a job, ignore jobs dependencies]' \
387 {-q,--quiet}'[Suppress output]' \
388 '--no-block[Do not wait until operation finished]' \
389 '--no-legend[Do not print a legend, i.e. the column headers and the footer with hints]' \
390 '--no-pager[Do not pipe output into a pager]' \
391 '--system[Connect to system manager]' \
392 '--user[Connect to user service manager]' \
393 "--no-wall[Don't send wall message before halt/power-off/reboot]" \
394 '--global[Enable/disable unit files globally]' \
395 "--no-reload[When enabling/disabling unit files, don't reload daemon configuration]" \
396 '--no-ask-password[Do not ask for system passwords]' \
397 '--kill-who=[Who to send signal to]:killwho:(main control all)' \
398 {-s+,--signal=}'[Which signal to send]:signal:_signals' \
399 {-f,--force}'[When enabling unit files, override existing symlinks. When shutting down, execute action immediately]' \
400 '--root=[Enable unit files in the specified root directory]:directory:_directories' \
401 '--runtime[Enable unit files only temporarily until next reboot]' \
402 {-H+,--host=}'[Operate on remote host]:userathost:_sd_hosts_or_user_at_host' \
403 {-P,--privileged}'[Acquire privileges before execution]' \
404 {-n+,--lines=}'[Journal entries to show]:number of entries' \
405 {-o+,--output=}'[Change journal output mode]:modes:_sd_outputmodes' \
406 '--firmware-setup[Tell the firmware to show the setup menu on next boot]' \
407 '--plain[When used with list-dependencies, print output as a list]' \
408 '*::systemctl command:_systemctl_command'