969dcddbdf
Since we treat this as an array, we need to initialize it as one. This avoids addition of an empty element to the option string when we set the option array from the calling program, e.g. +/usr/bin/makepkg[2033]: set -- -i --pkg vim -- '' Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
95 lines
2.2 KiB
Bash
95 lines
2.2 KiB
Bash
# getopt like parser
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parse_options() {
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local short_options=$1; shift;
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local long_options=$1; shift;
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local ret=0;
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local unused_options=()
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local i
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while [[ -n $1 ]]; do
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if [[ ${1:0:2} = '--' ]]; then
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if [[ -n ${1:2} ]]; then
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local match=""
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for i in ${long_options//,/ }; do
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if [[ ${1:2} = ${i//:} ]]; then
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match=$i
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break
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fi
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done
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if [[ -n $match ]]; then
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local needsargument=0
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[[ ${match} = ${1:2}: ]] && needsargument=1
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[[ ${match} = ${1:2}:: && -n $2 && ${2:0:1} != "-" ]] && needsargument=1
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if (( ! needsargument )); then
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OPTRET+=("$1")
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else
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if [[ -n $2 ]]; then
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OPTRET+=("$1" "$2")
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shift
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while [[ -n $2 && ${2:0:1} != "-" ]]; do
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shift
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OPTRET+=("$1")
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done
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else
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printf "@SCRIPTNAME@: $(gettext "option %s requires an argument\n")" "'$1'" >&2
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ret=1
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fi
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fi
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else
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echo "@SCRIPTNAME@: $(gettext "unrecognized option") '$1'" >&2
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ret=1
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fi
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else
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shift
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break
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fi
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elif [[ ${1:0:1} = '-' ]]; then
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for ((i=1; i<${#1}; i++)); do
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if [[ $short_options =~ ${1:i:1} ]]; then
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local needsargument=0
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[[ $short_options =~ ${1:i:1}: && ! $short_options =~ ${1:i:1}:: ]] && needsargument=1
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[[ $short_options =~ ${1:i:1}:: && \
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( -n ${1:$i+1} || ( -n $2 && ${2:0:1} != "-" ) ) ]] && needsargument=1
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if (( ! needsargument )); then
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OPTRET+=("-${1:i:1}")
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else
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if [[ -n ${1:$i+1} ]]; then
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OPTRET+=("-${1:i:1}" "${1:i+1}")
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while [[ -n $2 && ${2:0:1} != "-" ]]; do
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shift
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OPTRET+=("$1")
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done
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else
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if [[ -n $2 ]]; then
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OPTRET+=("-${1:i:1}" "$2")
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shift
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while [[ -n $2 && ${2:0:1} != "-" ]]; do
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shift
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OPTRET+=("$1")
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done
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else
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printf "@SCRIPTNAME@: $(gettext "option %s requires an argument\n")" "'-${1:i:1}'" >&2
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ret=1
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fi
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fi
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break
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fi
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else
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echo "@SCRIPTNAME@: $(gettext "unrecognized option") '-${1:i:1}'" >&2
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ret=1
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fi
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done
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else
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unused_options+=("$1")
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fi
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shift
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done
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OPTRET+=('--' "${unused_options[@]}")
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return $ret
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}
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