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#compdef sh ash csh dash ksh ksh88 ksh93 mksh oksh pdksh rc tcsh yash
local bourne argv0
local -a args all_opts=( -{{0..9},{A..Z},{a..z}} )
[[ $service == (csh|?csh|fish|rc) ]] || bourne=1
# Bourne-style shells support +x variants
# @todo Uncomment when workers/45422 is fixed
# (( bourne )) && all_opts+=( ${all_opts/#-/+} )
# Bourne-style shells take argv[0] as the second argument to -c
(( bourne )) && argv0=':argv[0]:'
# All of the recognised shells support at least these arguments
args=(
"(1 -)-c[execute specified command string]: :_cmdstring$argv0"
'-e[exit immediately on non-zero return]'
'-i[act as interactive shell]'
'-l[act as login shell]'
'-x[print command trace]'
'1:script file:_files'
'*:: :_files'
)
# Bourne-style shells support -o/+o option. Not all of them support -ooption in
# the same argument, but we'll allow it here for those that do
(( bourne )) && args+=(
'-o+[set specified option]:option:'
'+o+[unset specified option]:option:'
)
# Since this is a generic function we don't know what other options these shells
# support, but we don't want them to break the ones listed above, so we'll just
# ignore any other single-alphanumeric option. Obviously this doesn't account
# for long options
args+=( '!'${^${all_opts:#(${(~j<|>)${(@M)${(@M)args#(*[\*\)]|)[+-]?}%[+-]?}})}} )
_arguments -s -S -A '-*' : $args
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