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#compdef pkill pgrep
## completion for pkill and pgrep
## Copyright (C) 2008 by Daniel Friesel <derf@derf.homelinux.org>
## License: WTFPL <http://sam.zoy.org/wtfpl>


## Not finished
##  * Some options lack completion / their completion is inspecific

typeset -a arguments
typeset expl

arguments=(
	'-c[count matching processes]'
	'-f[match pattern against full commandline]'
	'-g[match processes in the listed group IDs]:process group ID'
	'-G[match processes with this GID]:group:_groups'
	'-n[select newest matching process]'
	'-o[select oldest matching process]'
	'-P[select processes with this parent PID]:process ID:_pids'
	'-s[select processes with this session ID]:session ID'
	'-t[select processes with this controlling terminal]:terminal:_terminal'
	'-u[select processes owned by effective user]:user:_users'
	'-U[select processes owned by real user]:user:_users'
	'-v[negate the matching]'
	'-x[exact matches]'
	':pattern:_named_process'
)

if [[ $service == 'pgrep' ]] {
	arguments+='-d[set output delimiter]:delimiter'
	arguments+='-l[list process name]'
}

function _terminal {
	_path_files -W /dev
}

function _named_process {
	typeset -a pgrep_user
	typeset IFS=$'\n'
	if (( EUID )) {
		pgrep_user=(-u $EUID)
	}
	_wanted pattern expl 'pattern or process name' \
	compadd ${$(pgrep $pgrep_user -l '')#* }
}

_arguments -s $arguments
_signals -p