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# svcadm completion -*- shell-script -*-
#
# Copyright 2006 Yann Rouillard <yann@opencsw.org>
#
# svcadm accept any complete FMRI or abbreviated FMRI
# - a complete FMRI is svc:/foo/bar/bar/baz
# - abbreviated FMRI are foo/bar/bar/baz, bar/bar/baz, bar/baz or baz
#
# The goal of this function is to be able to propose all alternatives,
# but to not clutter the interface with all completions, we will only
# cut every completion alternative at the next slash.
#
# For example, if the user types <nothing><tab>, we will propose for svc://foo/bar/bar/baz
# the following completion: foo/, bar/ and baz
# If the user types <b><tab>, we will propose: bar/ and baz
# If the user types <bar/><tab>, we will propose: bar/bar/ and bar/baz
#
# By default, the function proproses only abbreviated completions except if the user already
# began to type svc:. In that case we will propose only the complete FMRI beginning with the
# pattern
#
_smf_complete_fmri()
{
local cur="$1" prefix="$2"
local cur_prefix fmri fmri_list=""
local exact_mode pattern
if [[ $cur == $prefix* ]]; then
[[ $cur == "$prefix" ]] && cur+="/"
pattern="$cur*"
exact_mode=1
else
pattern="$prefix*/$cur*"
fi
cur_prefix="${cur%"${cur##*/}"}"
for fmri in $(svcs -H -o FMRI "$pattern" 2>/dev/null); do
local fmri_part_list fmri_part
if [[ -z $exact_mode ]]; then
fmri=${fmri#$prefix/}
# we generate all possibles abbrevations for the FMRI
# no need to have a generic loop as we will have a finite
# number of components
local ifs="$IFS"
IFS="/"
set -- $fmri
IFS=$ifs
case $# in
1) fmri_part_list=" $1" ;;
2) fmri_part_list=" $2 $1/$2" ;;
3) fmri_part_list=" $3 $2/$3 $1/$2/$3" ;;
4) fmri_part_list=" $4 $3/$4 $2/$3/$4 $1/$2/$3/$4" ;;
esac
else
fmri_part_list="$fmri"
fi
# Here we make sure the completions begins with the pattern and
# we cut them at the first slash
for fmri_part in $fmri_part_list; do
[[ $fmri_part == $cur* ]] || continue
local first_part=${fmri_part#$cur_prefix}
first_part=$cur_prefix${first_part%%/*}
[[ $first_part != "$fmri_part" ]] && first_part+="/"
fmri_list+=" $first_part"
done
done
COMPREPLY=($fmri_list)
# here we want to detect if there only one completion proposed and that
# it ends with a slash. That means the users will still have to complete
# after, so we gain him one tab keystroke by immediately proposing the
# next completion alternatives
local i=${#COMPREPLY[*]}
if [[ $i -gt 0 && ${COMPREPLY[--i]} == */ ]]; then
# we have to iterate through the list as we may have duplicate
while ((i != 0)); do
[[ ${COMPREPLY[i]} != "${COMPREPLY[i - 1]}" ]] && break
((i--))
done
if ((i == 0)); then
_smf_complete_fmri "${COMPREPLY[0]}" "$prefix"
return
fi
fi
# Work-around bash_completion issue where bash interprets a colon
# as a separator, borrowed from maven completion code which borrowed
# it from darcs completion code :)
local colonprefixes=${cur%"${cur##*:}"}
local i=${#COMPREPLY[*]}
while ((i-- > 0)); do
COMPREPLY[i]=${COMPREPLY[i]#"$colonprefixes"}
done
}
_svcadm()
{
local cur prev words cword
_init_completion -n : || return
local command_list="enable disable restart refresh clear mark milestone"
local command i
for ((i = 1; i < cword; i++)); do
if [[ ${words[i]} == @(enable|disable|restart|refresh|clear|mark|milestone) ]]; then
command=${words[i]}
fi
done
if [[ ! -v command ]]; then
if [[ ${cur} == -* ]]; then
COMPREPLY=($(compgen -W "-v" -- ${cur}))
else
COMPREPLY=($(compgen -W "$command_list" -- ${cur}))
fi
else
if [[ ${cur} == -* ]]; then
case "$command" in
enable)
COMPREPLY=($(compgen -W "-r -s -t" -- ${cur}))
;;
disable)
COMPREPLY=($(compgen -W "-s -t" -- ${cur}))
;;
mark)
COMPREPLY=($(compgen -W "-I -t" -- ${cur}))
;;
milestone)
COMPREPLY=($(compgen -W "-d" -- ${cur}))
;;
esac
else
if [[ $command == "mark" ]] && [[ $prev != @(degraded|maintenance) ]]; then
COMPREPLY=($(compgen -W "degraded maintenance" -- ${cur}))
elif [[ $command == "milestone" ]]; then
_smf_complete_fmri "${cur}" "svc:/milestone"
else
_smf_complete_fmri "${cur}" "svc:"
fi
fi
fi
} &&
complete -F _svcadm svcadm
# ex: filetype=sh
|
