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#autoload
# Options (only in separate words):
#
# -a use all signals (even the pseudo-signals)
# -p needs a `-' prefix
# -s SIG prefix allowed
#
# A `-' or `--' as the first argument is ignored.
local expl minus pre sigs
local first last # keep these as strings for -z/-n tests
zparseopts -D -K -E 'p=minus' 'a=last' 's=pre'
if [[ -z "$last" ]]; then
first=2
last=-3
else
first=1
last=-1
fi
[[ -n "$minus" ]] && minus='-'
[[ "$1" = -(|-) ]] && shift
if [[ -z "$minus" ]] ||
! zstyle -T ":completion:${curcontext}:signals" prefix-needed ||
[[ -prefix -* ]]; then
local disp tmp
if zstyle -t ":completion:${curcontext}:signals" prefix-hidden; then
tmp=( "${(@)signals[first,last]}" )
disp=(-d tmp)
else
disp=()
fi
if [[ -n "$pre" && $PREFIX = ${minus}S* ]]; then
sigs=( "${minus}SIG${(@)^${(@)signals[first,last]:#<->}}" )
(( $#disp )) && tmp=( "$tmp[@]" "${(@)signals[first,last]}" )
else
sigs=()
fi
_wanted signals expl signal \
compadd "$@" "$disp[@]" -M 'm:{a-z}={A-Z}' - \
"${minus}${(@)^signals[first,last]}" "$sigs[@]"
fi
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