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# (C) 2010-2011 magicant
# Completion script for the "sh" built-in command.
# Completion function "completion/sh" is used for the "bash", "dash" and "mksh"
# commands as well. Supports POSIX 2008, bash 4.1, dash 0.5.5.1, mksh R39c.
function completion/sh {
typeset compoptopts=
typeset prog="${WORDS[1]##*/}"
typeset OPTIONS FOPTIONS OOPTIONS ARGOPT PREFIX
FOPTIONS=( #>#
"c; execute the first operand as a shell script"
"i; work in the interactive mode"
"o:; specify an option"
) #<#
OOPTIONS=( #>#
"a --allexport; export all variables when assigned"
"b --notify; print job status immediately when done"
"C --noclobber; disallow >-redirection to overwrite an existing file"
"e --errexit; exit immediately when a command's exit status is non-zero"
"f --noglob; disable pathname expansion (globbing)"
"m --monitor; enable job control"
"n --noexec; don't execute any commands"
"u --nounset; disallow expansion of undefined variables"
"v --verbose; echo commands entered to the shell"
"x --xtrace; print a command line before executing it"
"--ignoreeof; don't exit when an end-of-file is entered"
"--vi; vi-like line-editing"
) #<#
case $prog in
(bash)
OOPTIONS=("$OOPTIONS" #>#
"h --hashall; cache full paths of commands in a function when defined"
) #<#
;;
(mksh)
OOPTIONS=("$OOPTIONS" #>#
"h --trackall; cache full paths of commands when entered"
) #<#
;;
(*)
OOPTIONS=("$OOPTIONS" #>#
"h; cache full paths of commands in a function when defined"
) #<#
;;
esac
case $prog in
(bash)
FOPTIONS=("$FOPTIONS" #>#
"l --login; work as a login shell"
) #<#
;;
(dash)
FOPTIONS=("$FOPTIONS" #>#
"l; work as a login shell"
) #<#
;;
(mksh)
OOPTIONS=("$OOPTIONS" #>#
"l --login; work as a login shell"
) #<#
;;
esac
case $prog in
(mksh)
OOPTIONS=("$OOPTIONS" #>#
"s --stdin; read commands from the standard input"
) #<#
;;
(*)
FOPTIONS=("$FOPTIONS" #>#
"s; read commands from the standard input"
) #<#
;;
esac
case $prog in ([bd]ash|mksh)
OOPTIONS=("$OOPTIONS" #>#
"--emacs; emacs-like line-editing"
) #<#
esac
case $prog in (bash|mksh)
OOPTIONS=("$OOPTIONS" #>#
"--posix; force strict POSIX conformance"
"p --privileged; work in the privileged mode"
"P --physical; make the -P option the default in the cd commands etc."
) #<#
esac
case $prog in (bash)
FOPTIONS=("$FOPTIONS" #>#
"--help"
"--version"
"--noprofile; don't read profile file"
"--debugger; enable extended debugging mode"
"--dump-po-strings; extract translatable strings in po file format"
"D --dump-strings; extract translatable strings"
"--noediting; don't use the Readline library"
"--norc; don't read rc file"
"--rcfile: --init-file:; specify the rc file"
"r --restricted; work in the restricted mode"
"--rpm-requires; print package names required to run the script"
"O:; specify a shopt option"
) #<#
OOPTIONS=("$OOPTIONS" #>#
"H --histexpand; enable !-expansion on the command line"
"k --keyword; allow assignments in the middle of command arguments"
"--pipefail; return last non-zero exit status of commands in a pipe"
"B --braceexpand; enable brace expansion"
"E --errtrace; don't reset ERR trap in subshells"
"T --functrace; don't reset DEBUG and RETURN traps in subshells"
"t --onecmd; execute one command only"
"--history; enable command history"
) #<#
compoptopts="$compoptopts -e"
esac
case $prog in (mksh)
OOPTIONS=("$OOPTIONS" #>#
"--braceexpand; enable brace expansion"
"r --restricted; work in the restricted mode"
"--bgnice; run background jobs at lower priorities"
"--gmacs; gmacs-like line-editing"
"U --utf8-mode; enable UTF-8 support"
"X --markdirs; append a slash to directory names after pathname expansion"
"--arc4random; use arc4random for random number generation"
"--nohup; don't kill running jobs when exiting"
"--sh; force very strict POSIX conformance"
"--vi-esccomplete; use the Escape key for completion in the vi mode"
"--vi-tabcomplete; use the Tab key for completion in the vi mode"
) #<#
esac
OPTIONS=("$FOPTIONS" "$OOPTIONS")
# convert plus-prefixed options into hyphen-prefixed options
typeset i=2
while [ $i -le ${WORDS[#]} ]; do
case ${WORDS[i]} in
(-|--)
break
;;
([+-]*o)
i=$((i+2))
;;
([+-]?*)
i=$((i+1))
;;
(*)
break
;;
esac
done
WORDS=("${WORDS[1]}" "${WORDS[2,i-1]/#+/-}" "${WORDS[i,-1]}")
# the same for $TARGETWORD
typeset SAVETARGETWORD="$TARGETWORD"
if [ $i -gt ${WORDS[#]} ]; then
TARGETWORD=${TARGETWORD/#+/-}
fi
command -f completion//parseoptions
case $ARGOPT in
(-)
case $prog in
(set|yash|ksh)
;;
(*)
OPTIONS=("$OOPTIONS")
command -f completion/set::removelongopts
OPTIONS=("$FOPTIONS" "$OPTIONS")
;;
esac
case $SAVETARGETWORD in
(-*)
command -f completion//completeoptions $compoptopts
;;
(+*)
TARGETWORD=$SAVETARGETWORD
command -f completion/set::option short
;;
esac
;;
(o)
PREFIX=${SAVETARGETWORD%"${TARGETWORD#"$PREFIX"}"}
TARGETWORD=$SAVETARGETWORD
OPTIONS=("$OOPTIONS")
command -f completion/set::option long
;;
(O)
typeset shopt value
while read -r shopt value; do
complete -P "$PREFIX" -- "$shopt"
done 2>/dev/null <(bash -O </dev/null)
;;
(*)
complete -P "$PREFIX" -f
;;
esac
}
function completion/set::removelongopts {
typeset IFS="
"
OPTIONS=($(printf '%s\n' "$OPTIONS" | sed 's/--[^;[:blank:]]*//g'))
} 2>/dev/null
function completion/set::option {
if [ "${1-}" != long ]; then
typeset single=true
else
typeset single=false
fi
typeset opts desc
typeset generated=false
for opts in "$OPTIONS"; do
# get description
case $opts in
(*\;*)
desc=${opts#*;}
while true; do # trim surrounding spaces
case $desc in
([[:space:]]*) desc=${desc#[[:space:]]} ;;
(*[[:space:]]) desc=${desc%[[:space:]]} ;;
(*) break ;;
esac
done
;;
(*)
desc=
;;
esac
if $single; then
# generate single-character option
for opt in ${opts%%;*}; do
case $opt in ([[:alnum:]]|[[:alnum:]]:)
complete -O -P "$TARGETWORD" \
${desc:+-D "$desc"} "${opt%:}" &&
generated=true
break
esac
done
else
# generate candidate for first match
for opt in ${opts%%;*}; do
case $opt in (--*)
complete -P "$PREFIX" \
${desc:+-D "$desc"} \
-- "${opt#--}" &&
generated=true &&
break
esac
done
fi
done
$generated
}
# vim: set ft=sh ts=8 sts=8 sw=8 et:
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