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parseopts: normalize options into an array

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Modify parse_options logic to fill an array instead of printing parsed
options. Avoid eval like the plague. Because it is the plague.

Fixes bugs such as FS#28445.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dave Reisner 2012-02-15 22:50:51 -05:00 committed by Dan McGee
parent 242006933d
commit ca41427141
3 changed files with 17 additions and 27 deletions
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32
scripts/library/parse_options.sh
View File

@ -23,17 +23,15 @@ parse_options() {
[[ ${match} = ${1:2}:: && -n $2 && ${2:0:1} != "-" ]] && needsargument=1
if (( ! needsargument )); then
printf ' %s' "$1"
OPTRET+=("$1")
else
if [[ -n $2 ]]; then
printf ' %s ' "$1"
OPTRET+=("$1" "$2")
shift
printf "'%q" "$1"
while [[ -n $2 && ${2:0:1} != "-" ]]; do
shift
printf " %q" "$1"
OPTRET+=("$1")
done
printf "'"
else
printf "@SCRIPTNAME@: $(gettext "option %s requires an argument\n")" "'$1'" >&2
ret=1
@ -57,26 +55,22 @@ parse_options() {
( -n ${1:$i+1} || ( -n $2 && ${2:0:1} != "-" ) ) ]] && needsargument=1
if (( ! needsargument )); then
printf ' -%s' "${1:i:1}"
OPTRET+=("-${1:i:1}")
else
if [[ -n ${1:$i+1} ]]; then
printf ' -%s ' "${1:i:1}"
printf "'%q" "${1:$i+1}"
OPTRET+=("-${1:i:1}" "${1:i+1}")
while [[ -n $2 && ${2:0:1} != "-" ]]; do
shift
printf " %q" "$1"
OPTRET+=("$1")
done
printf "'"
else
if [[ -n $2 ]]; then
printf ' -%s ' "${1:i:1}"
OPTRET+=("-${1:i:1}" "$2")
shift
printf "'%q" "$1"
while [[ -n $2 && ${2:0:1} != "-" ]]; do
shift
printf " %q" "$1"
OPTRET+=("$1")
done
printf "'"
else
printf "@SCRIPTNAME@: $(gettext "option %s requires an argument\n")" "'-${1:i:1}'" >&2
@ -91,15 +85,11 @@ parse_options() {
fi
done
else
unused_options="${unused_options} '$1'"
unused_options+=("$1")
fi
shift
done
printf " --"
[[ $unused_options ]] && printf ' %s' "${unused_options[@]}"
[[ $1 ]] && printf " '%s'" "$@"
printf "\n"
OPTRET+=('--' "${unused_options[@]}")
return $ret
}
}

6
scripts/makepkg.sh.in
View File

@ -1906,11 +1906,11 @@ OPT_LONG+=",version,config:"
# Pacman Options
OPT_LONG+=",noconfirm,noprogressbar"
if ! OPT_TEMP="$(parse_options $OPT_SHORT $OPT_LONG "$@")"; then
if ! parse_options $OPT_SHORT $OPT_LONG "$@"; then
echo; usage; exit 1 # E_INVALID_OPTION;
fi
eval set -- "$OPT_TEMP"
unset OPT_SHORT OPT_LONG OPT_TEMP
set -- "${OPTRET[@]}"
unset OPT_SHORT OPT_LONG OPTRET
while true; do
case "$1" in

6
scripts/pacman-key.sh.in
View File

@ -504,11 +504,11 @@ OPT_LONG="add::,config:,delete:,edit-key:,export::,finger::,gpgdir:"
OPT_LONG+=",help,import:,import-trustdb:,init,keyserver:,list-keys::,list-sigs::"
OPT_LONG+=",lsign-key:,populate::,recv-keys:,refresh-keys::,updatedb"
OPT_LONG+=",verify:,version"
if ! OPT_TEMP="$(parse_options $OPT_SHORT $OPT_LONG "$@")"; then
if ! parse_options $OPT_SHORT $OPT_LONG "$@"; then
echo; usage; exit 1 # E_INVALID_OPTION;
fi
eval set -- "$OPT_TEMP"
unset OPT_SHORT OPT_LONG OPT_TEMP
set -- "${OPTRET[@]}"
unset OPT_SHORT OPT_LONG OPTRET
if [[ $1 == "--" ]]; then
usage;