Foudil Brétel: 29842: major update to systemctl completion

1 files changed, 264 insertions, 75 deletions

diff --git a/Completion/Unix/Command/_systemctl b/Completion/Unix/Command/_systemctl
index 5dd35db7a..801a8e060 100644
--- a/Completion/Unix/Command/_systemctl
+++ b/Completion/Unix/Command/_systemctl
@@ -1,102 +1,291 @@
 #compdef systemctl
 
-# Completion for systemd's systemctl
-# Version 1.0 ARF 3 August 2011
+# 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
 
-# list the unit completions.
-_systemd_units(){
-  local -a units
-  local expl
-  units=(${(f)"$( systemctl --full list-units | sed -e 's/ .*//' )"})
-  _wanted keys expl 'units' compadd "$units[@]"
-}
-
-# list the job completions.
-_systemd_jobs(){
-  local -a jobs
-  local expl
-  jobs=(${(f)"$( systemctl --full list-jobs | sed -e 's/ .*//' )"})
-  _wanted keys expl 'jobs' compadd "$jobs[@]"
-}
-
-# list the snapshot completions.
-_systemd_snapshots(){
-  local -a ss
-  local expl
-  ss=(${(f)"$(
-  	systemctl dump | sed -n -e 's/^-> Unit \(.*\.snapshot\):/\1/p'
-  )"})
-  _wanted keys expl 'snapshots' compadd "$ss[@]"
-}
-
-_systemctl(){
-  local -a _systemctl_cmds
+# Main dispatcher
+_systemctl()
+{
+  local curcontext="$curcontext" state lstate line
 
-  # Determine the sub commands
-  #$(systemctl --help  | sed -n -e 's/^  \([a-z]\)/\1/p' | sed -e 's/ .*//')
-  _systemctl_cmds=( 
-        list-units start stop reload restart try-restart reload-or-
-        restart reload-or-try-restart isolate kill is-active status show
-        reset-failed enable disable is-enabled load list-jobs cancel
-        monitor dump dot snapshot delete daemon-reload daemon-reexec show-
-        environment set-environment unset-environment default rescue
-        emergency halt poweroff reboot kexec exit
-  )
-
-  local curcontext="$curcontext" state line expl
-  typeset -A opt_args
-
-  # Initial flags
-  _arguments -A '-*' \
-    '--help[Show help]' \
+  # -s for aggregated options like -aP
+  _arguments -s \
+    {-h,--help}'[Show help]' \
     '--version[Show package version]' \
-    '(-a,--all)'{-a,--all}'[Show all units/properties, including dead/empty ones]' \
-    '--full[Dont ellipsize unit names on output]' \
+    {-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[ignore dependencies]' \
-    '(-p,--privileged)'{-p,--privileged}'[Acquire privileges before execution]' \
-    '(-q,--quiet)'{-q,--quiet}'[Suppress output]' \
+    '--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[Dont send wall message before halt/power-off/reboot]' \
-    '--no-reload[dont reload daemon configuration]' \
-    '--no-pager[Do use pager]' \
+    "--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-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)'{-f,--force}'[When enabling unit files, override existing symlinks. When shutting down, execute action immediately]' \
+    {-f,--force}'[When enabling unit files, override existing symlinks. When shutting down, execute action immediately]' \
     '--defaults[When disabling unit files, remove default symlinks only]' \
-    '*::command:->subcmd' && return 0
+    '*::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"
+    "try-restart:Restart one or more units if active"
+    "reload-or-restart:Reload one or more units is possible, otherwise start or restart"
+    "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"