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Foudil Brétel: 29842: major update to systemctl completion
This commit is contained in:
Peter Stephenson
parent
2f3c16d40f
commit
e5f1efa5a2
2 changed files with 274 additions and 80 deletions
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@ -1,3 +1,8 @@
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2011-10-24 Peter Stephenson <pws@csr.com>
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* Foudil Brétel: 29842: Completion/Unix/Command/_systemctl:
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major rewrite.
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2011-10-24 Phil Pennock <pdpennock@users.sourceforge.net>
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* 29838: Src/Modules/pcre.c: metafy/unmetafy strings, to
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@ -15492,5 +15497,5 @@
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*****************************************************
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* This is used by the shell to define $ZSH_PATCHLEVEL
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* $Revision: 1.5482 $
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* $Revision: 1.5483 $
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*****************************************************
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@ -1,102 +1,291 @@
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#compdef systemctl
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# Completion for systemd's systemctl
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# Version 1.0 ARF 3 August 2011
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# Copyright (c) 2011 Foudil Brétel <foudil.newbie+zshsystemctl@gmail.com>
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#
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# This file is released under the GPLv3.
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#
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# inspired from _yum and systemctl-bash-completion.sh (shipped with systemctl)
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#
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# TODO: enable options after commands. Ex: systemctl list-units --all --full
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# list the unit completions.
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_systemd_units(){
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local -a units
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local expl
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units=(${(f)"$( systemctl --full list-units | sed -e 's/ .*//' )"})
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_wanted keys expl 'units' compadd "$units[@]"
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}
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# Main dispatcher
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_systemctl()
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{
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local curcontext="$curcontext" state lstate line
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# list the job completions.
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_systemd_jobs(){
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local -a jobs
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local expl
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jobs=(${(f)"$( systemctl --full list-jobs | sed -e 's/ .*//' )"})
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_wanted keys expl 'jobs' compadd "$jobs[@]"
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}
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# list the snapshot completions.
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_systemd_snapshots(){
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local -a ss
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local expl
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ss=(${(f)"$(
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systemctl dump | sed -n -e 's/^-> Unit \(.*\.snapshot\):/\1/p'
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)"})
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_wanted keys expl 'snapshots' compadd "$ss[@]"
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}
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_systemctl(){
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local -a _systemctl_cmds
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# Determine the sub commands
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#$(systemctl --help | sed -n -e 's/^ \([a-z]\)/\1/p' | sed -e 's/ .*//')
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_systemctl_cmds=(
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list-units start stop reload restart try-restart reload-or-
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restart reload-or-try-restart isolate kill is-active status show
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reset-failed enable disable is-enabled load list-jobs cancel
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monitor dump dot snapshot delete daemon-reload daemon-reexec show-
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environment set-environment unset-environment default rescue
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emergency halt poweroff reboot kexec exit
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)
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local curcontext="$curcontext" state line expl
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typeset -A opt_args
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# Initial flags
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_arguments -A '-*' \
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'--help[Show help]' \
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# -s for aggregated options like -aP
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_arguments -s \
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{-h,--help}'[Show help]' \
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'--version[Show package version]' \
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'(-a,--all)'{-a,--all}'[Show all units/properties, including dead/empty ones]' \
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'--full[Dont ellipsize unit names on output]' \
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{-t,--type=}'[List only units of a particular type]:unit type:(automount device mount path service snapshot socket swap target timer)' \
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\*{-p,--property=}'[Show only properties by specific name]:unit property:' \
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{-a,--all}'[Show all units/properties, including dead/empty ones]' \
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'--failed[Show only failed units]' \
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"--full[Don't ellipsize unit names on output]" \
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'--fail[When queueing a new job, fail if conflicting jobs are pending]' \
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'--ignore-dependencies[ignore dependencies]' \
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'(-p,--privileged)'{-p,--privileged}'[Acquire privileges before execution]' \
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'(-q,--quiet)'{-q,--quiet}'[Suppress output]' \
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'--ignore-dependencies[When queueing a new job, ignore all its dependencies]' \
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'--kill-mode=[How to send signal]:killmode:(control-group process)' \
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'--kill-who=[Who to send signal to]:killwho:(main control all)' \
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{-s,--signal=}'[Which signal to send]:signal:_signals' \
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{-H,--host=}'[Show information for remote host]:userathost:_hosts_or_user_at_host' \
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{-P,--privileged}'[Acquire privileges before execution]' \
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{-q,--quiet}'[Suppress output]' \
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'--no-block[Do not wait until operation finished]' \
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'--no-wall[Dont send wall message before halt/power-off/reboot]' \
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'--no-reload[dont reload daemon configuration]' \
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'--no-pager[Do use pager]' \
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"--no-wall[Don't send wall message before halt/power-off/reboot]" \
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"--no-reload[When enabling/disabling unit files, don't reload daemon configuration]" \
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'--no-pager[Do not pipe output into a pager]' \
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'--no-ask-password[Do not ask for system passwords]' \
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'--order[When generating graph for dot, show only order]' \
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'--require[When generating graph for dot, show only requirement]' \
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'--system[Connect to system manager]' \
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'--user[Connect to user service manager]' \
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'--global[Enable/disable unit files globally]' \
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'(-f,--force)'{-f,--force}'[When enabling unit files, override existing symlinks. When shutting down, execute action immediately]' \
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{-f,--force}'[When enabling unit files, override existing symlinks. When shutting down, execute action immediately]' \
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'--defaults[When disabling unit files, remove default symlinks only]' \
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'*::command:->subcmd' && return 0
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'*::systemctl command:_systemctl_command'
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}
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_hosts_or_user_at_host()
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{
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_alternative \
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'users-hosts:: _user_at_host' \
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'hosts:: _hosts'
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}
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(( $+functions[_systemctl_command] )) || _systemctl_command()
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{
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local -a _systemctl_cmds
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_systemctl_cmds=(
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"list-units:List units"
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"start:Start (activate) one or more units"
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"stop:Stop (deactivate) one or more units"
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"reload:Reload one or more units"
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"restart:Start or restart one or more units"
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"try-restart:Restart one or more units if active"
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"reload-or-restart:Reload one or more units is possible, otherwise start or restart"
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"reload-or-try-restart:Reload one or more units is possible, otherwise restart if active"
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"isolate:Start one unit and stop all others"
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"kill:Send signal to processes of a unit"
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"is-active:Check whether units are active"
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"status:Show runtime status of one or more units"
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"show:Show properties of one or more units/jobs or the manager"
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"reset-failed:Reset failed state for all, one, or more units"
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"enable:Enable one or more unit files"
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"disable:Disable one or more unit files"
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"is-enabled:Check whether unit files are enabled"
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"load:Load one or more units"
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"list-jobs:List jobs"
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"cancel:Cancel all, one, or more jobs"
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"monitor:Monitor unit/job changes"
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"dump:Dump server status"
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"dot:Dump dependency graph for dot(1)"
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"snapshot:Create a snapshot"
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"delete:Remove one or more snapshots"
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"daemon-reload:Reload systemd manager configuration"
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"daemon-reexec:Reexecute systemd manager"
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"show-environment:Dump environment"
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"set-environment:Set one or more environment variables"
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"unset-environment:Unset one or more environment variables"
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"default:Enter system default mode"
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"rescue:Enter system rescue mode"
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"emergency:Enter system emergency mode"
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"halt:Shut down and halt the system"
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"poweroff:Shut down and power-off the system"
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"reboot:Shut down and reboot the system"
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"kexec:Shut down and reboot the system with kexec"
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"exit:Ask for user instance termination"
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)
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# Complete subcommands.
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if (( CURRENT == 1 )); then
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_describe -t commands "command" _systemctl_cmds
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return
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_describe -t commands 'systemctl command' _systemctl_cmds || compadd "$@"
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else
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local curcontext="$curcontext"
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cmd="${${_systemctl_cmds[(r)$words[1]:*]%%:*}}"
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# Deal with any aliases
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case $cmd in
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condrestart) cmd="try-restart";;
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force-reload) cmd="reload-or-try-restart";;
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esac
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if (( $#cmd )); then
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curcontext="${curcontext%:*:*}:systemctl-${cmd}:"
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local update_policy
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zstyle -s ":completion:${curcontext}:" cache-policy update_policy
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if [[ -z "$update_policy" ]]; then
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zstyle ":completion:${curcontext}:" cache-policy _systemctl_caching_policy
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fi
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# handle arguments to the subcommands.
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case $words[1] in
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start|restart|reload|stop|status|try-restart|reload-or-restart|reload-or-try-restart|isolate|kill|is-active|show|reset-failed|enable|disable|is-enabled|load)
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# many units can be listed
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_arguments "*:key:_systemd_units"
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;;
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_call_function ret _systemctl_$cmd || _message 'no more arguments'
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else
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_message "unknown systemctl command: $words[1]"
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fi
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return ret
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fi
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}
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cancel) _arguments "*:key:_systemd_jobs" ;;
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# Fills the unit lists
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_systemctl_all_units()
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{
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if ( [[ ${+_sys_all_units} -eq 0 ]] || _cache_invalid SYS_ALL_UNITS ) &&
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! _retrieve_cache SYS_ALL_UNITS;
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then
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_sys_all_units=( $(systemctl list-units --full --all | cut -d' ' -f1 \
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2>/dev/null) )
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_store_cache SYS_ALL_UNITS _sys_all_units
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fi
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}
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# snapshots
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snapshot) _normal ;;
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delete) _arguments "*:key:_systemd_snapshots" ;;
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_systemctl_inactive_units()
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{
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_sys_inactive_units=( $(systemctl list-units --full --all \
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| awk '$3 != "active" {print $1}' 2>/dev/null) )
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}
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# no arguments
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dump|dot|monitor|daemon-reload|daemon-reexec|show-environment|default|rescue|emergency|halt|poweroff|reboot|kexec|exit|list-jobs|list-units)
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;;
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_systemctl_active_units()
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{
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_sys_active_units=( $(systemctl list-units --full | cut -d' ' -f1 \
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2>/dev/null) )
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}
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*) _message "unknown systemctl command: $words[1]" ;;
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esac
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_systemctl_failed_units()
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{
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_sys_failed_units=( $(systemctl list-units --full --failed | cut -d' ' -f1
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2>/dev/null) )
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}
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_filter_units_by_property () {
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local property=$1 value=$2 ; shift ; shift
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local -a units ; units=($*)
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local -a props ; props=( $(systemctl show --property "$property" -- \
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${units[*]} | grep -v '^$') )
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for ((i=0; $i < ${#units[*]}; i++)); do
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if [[ "${props[i]}" = "$property=$value" ]]; then
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echo "${units[i]}"
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fi
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done
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}
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# Completion functions for ALL_UNITS
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for fun in enable disable is-active is-enabled status show ; do
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(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
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{
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_systemctl_all_units
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compadd "$@" -a -- _sys_all_units
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}
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done
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# Completion functions for STARTABLE_UNITS
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(( $+functions[_systemctl_start] )) || _systemctl_start()
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{
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_systemctl_inactive_units
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compadd "$@" -- $( _filter_units_by_property CanStart yes \
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${_sys_inactive_units[*]} | grep -Ev '\.(device|snapshot)$' )
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}
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# Completion functions for RESTARTABLE_UNITS
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for fun in restart reload-or-restart ; do
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(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
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{
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_systemctl_all_units
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compadd "$@" -- $( _filter_units_by_property CanStart yes \
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${_sys_all_units[*]} | grep -Ev '\.(device|snapshot|socket|timer)$' )
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}
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done
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# Completion functions for STOPPABLE_UNITS
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for fun in stop kill try-restart condrestart ; do
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(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
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{
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_systemctl_active_units
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compadd "$@" -- $( _filter_units_by_property CanStop yes \
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${_sys_active_units[*]} )
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}
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done
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# Completion functions for RELOADABLE_UNITS
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for fun in reload reload-or-try-restart force-reload ; do
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(( $+functions[_systemctl_$fun] )) || _systemctl_$fun()
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{
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_systemctl_active_units
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compadd "$@" -- $( _filter_units_by_property CanReload yes \
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${_sys_active_units[*]} )
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}
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done
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# Completion functions for ISOLATABLE_UNITS
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(( $+functions[_systemctl_isolate] )) || _systemctl_isolate()
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{
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_systemctl_all_units
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compadd "$@" -- $( _filter_units_by_property AllowIsolate yes \
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${_sys_all_units[*]} )
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}
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# Completion functions for FAILED_UNITS
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(( $+functions[_systemctl_reset-failed] )) || _systemctl_reset-failed()
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{
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_systemctl_failed_units
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compadd "$@" -a -- _sys_failed_units || _message "no failed-unit found"
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}
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# Completion functions for JOBS
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(( $+functions[_systemctl_cancel] )) || _systemctl_cancel()
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{
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compadd "$@" -- $( systemctl list-jobs | cut -d' ' -f1 2>/dev/null ) || \
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_message "no job found"
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}
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# Completion functions for SNAPSHOTS
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(( $+functions[_systemctl_delete] )) || _systemctl_delete()
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{
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compadd "$@" -- $( systemctl list-units --type snapshot --full --all \
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| cut -d' ' -f1 2>/dev/null ) || _message "no snampshot found"
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}
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# Completion functions for ENVS
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(( $+functions[_systemctl_set-environment] )) || _systemctl_set-environment()
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{
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compadd "$@" -S '' -- $( systemctl show-environment \
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| sed 's_\([^=]\+=\).*_\1_' )
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}
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(( $+functions[_systemctl_unset-environment] )) || _systemctl_unset-environment()
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{
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compadd "$@" -S '' -- $( systemctl show-environment \
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| sed 's_\([^=]\+\)=.*_\1_' )
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}
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# no completion for:
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# [STANDALONE]='daemon-reexec daemon-reload default dot dump emergency exit
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# halt kexec list-jobs list-units monitor poweroff reboot
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# rescue show-environment'
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# [NAME]='snapshot load'
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_systemctl_caching_policy()
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{
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local _sysunits
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local -a oldcache
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# rebuild if cache is more than a day old
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oldcache=( "$1"(mh+1) )
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(( $#oldcache )) && return 0
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_sysunits=($(systemctl --full --all | cut -d' ' -f1))
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if (( $#_sysunits )); then
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for unit in $_sysunits; do
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[[ "$unit" -nt "$1" ]] && return 0
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done
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fi
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return 1
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}
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_systemctl "$@"
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# Local Variables:
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# mode: sh
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# sh-indentation: 2
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# indent-tabs-mode: nil
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# sh-basic-offset: 2
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# End:
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