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Diffstat (limited to 'Completion/Unix/Command/_systemctl')
| -rw-r--r-- | Completion/Unix/Command/_systemctl | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/Completion/Unix/Command/_systemctl b/Completion/Unix/Command/_systemctl new file mode 100644 index 000000000..69adcf775 --- /dev/null +++ b/Completion/Unix/Command/_systemctl @@ -0,0 +1,305 @@ +#compdef systemctl + +# Copyright (c) 2011 Foudil Brétel <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 +_systemctl() +{ + local curcontext="$curcontext" state lstate line + + # -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]' \ + '--defaults[When disabling unit files, remove default symlinks only]' \ + '*::systemctl command:_systemctl_command' +} + +_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" + "enable:Enable one or more unit files" + "disable:Disable one or more unit files" + "is-enabled:Check whether unit files are enabled" + "load:Load one or more units" + "list-jobs:List jobs" + "cancel:Cancel all, one, or more jobs" + "monitor:Monitor unit/job changes" + "dump:Dump server status" + "dot:Dump dependency graph for dot(1)" + "snapshot:Create a snapshot" + "delete:Remove one or more snapshots" + "daemon-reload:Reload systemd manager configuration" + "daemon-reexec:Reexecute systemd manager" + "show-environment:Dump environment" + "set-environment:Set one or more environment variables" + "unset-environment:Unset one or more environment variables" + "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" + ) + + 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: $words[1]" + fi + return ret + fi +} + +__check_option_nolegend() +{ + systemctl --no-legend --version 2>&1 | grep -q 'unrecognized option' + print -Pn '%(?..--no-legend)' +} +nolegend=$(__check_option_nolegend) + + +# Fills the unit lists +_systemctl_all_units() +{ + if ( [[ ${+_sys_all_units} -eq 0 ]] || _cache_invalid SYS_ALL_UNITS ) && + ! _retrieve_cache SYS_ALL_UNITS; + then + _sys_all_units=( $(systemctl ${nolegend} list-units --full --all \ + | cut -d' ' -f1 2>/dev/null) ) + _store_cache SYS_ALL_UNITS _sys_all_units + fi +} + +_systemctl_inactive_units() +{ + _sys_inactive_units=( $(systemctl ${nolegend} list-units --full --all \ + | awk '$3 != "active" {print $1}' 2>/dev/null) ) +} + +_systemctl_active_units() +{ + _sys_active_units=( $(systemctl ${nolegend} list-units --full \ + | cut -d' ' -f1 2>/dev/null) ) +} + +_systemctl_failed_units() +{ + _sys_failed_units=( $(systemctl ${nolegend} list-units --full --failed \ + | cut -d' ' -f1 2>/dev/null) ) +} + +_filter_units_by_property () { + local property=$1 value=$2 ; shift ; shift + local -a units ; units=($*) + local -a props ; props=( $(systemctl show --property "$property" -- \ + ${units[*]} | grep -v '^$') ) + for ((i=1; $i <= ${#units[*]}; i++)); do + if [[ "${props[i]}" = "$property=$value" ]]; then + echo "${units[i]}" + fi + done +} + +# Completion functions for ALL_UNITS +for fun in enable disable is-active is-enabled status show ; do + (( $+functions[_systemctl_$fun] )) || _systemctl_$fun() + { + _systemctl_all_units + compadd "$@" -a - _sys_all_units + } +done + +# Completion functions for STARTABLE_UNITS +(( $+functions[_systemctl_start] )) || _systemctl_start() +{ + _systemctl_inactive_units + compadd "$@" - $( _filter_units_by_property CanStart yes \ + ${_sys_inactive_units[*]} | grep -Ev '\.(device|snapshot)$' ) +} + +# 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 \ + ${_sys_all_units[*]} | grep -Ev '\.(device|snapshot|socket|timer)$' ) + } +done + +# 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 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 ISOLATABLE_UNITS +(( $+functions[_systemctl_isolate] )) || _systemctl_isolate() +{ + _systemctl_all_units + compadd "$@" - $( _filter_units_by_property AllowIsolate yes \ + ${_sys_all_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 JOBS +(( $+functions[_systemctl_cancel] )) || _systemctl_cancel() +{ + compadd "$@" - $(systemctl ${nolegend} list-jobs \ + | cut -d' ' -f1 2>/dev/null ) || _message "no job found" +} + +# Completion functions for SNAPSHOTS +(( $+functions[_systemctl_delete] )) || _systemctl_delete() +{ + compadd "$@" - $(systemctl ${nolegend} list-units --type snapshot --full \ + --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 \ + | sed 's_\([^=]\+\)=.*_\1_' ) + } +done + +# no completion for: +# [STANDALONE]='daemon-reexec daemon-reload default dot dump emergency exit +# halt kexec list-jobs list-units monitor 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 ${nolegend} --full --all | cut -d' ' -f1)) + + if (( $#_sysunits )); then + for unit in $_sysunits; do + [[ "$unit" -nt "$1" ]] && return 0 + done + fi + + return 1 +} + +_systemctl "$@" + +# Local Variables: +# mode: sh +# sh-indentation: 2 +# indent-tabs-mode: nil +# sh-basic-offset: 2 +# End: |