- local reset_extglob=false
- ! shopt extglob >/dev/null && reset_extglob=true
- shopt -s extglob
-
-
- local x ret prefix dir to_remove
- local mkdir=false
-
- to_remove=()
- if [[ $nodir ]]; then
- dir="$(dirname "$2")"
- if [[ -e $2 || -L $2 ]]; then
- to_remove+=("$2")
- elif [[ ! -d $dir ]]; then
- mkdir=true
- if [[ -e $dir || -L $dir ]]; then
- to_remove+=("$dir")
- fi
- fi
- elif (( $# >= 2 )); then
- if [[ -d ${!#} ]]; then
- prefix="${!#}/" # last arg
- for x in "${@:1:$(( $# - 1 ))}"; do # all but last arg
- # Remove 1 or more trailing slashes, using.
- x="${x%%+(/)}"
- # remove any leading directory components, add prefix
- x="$prefix/${x##*/}"
- [[ -e "$x" || -L "$x" ]] && to_remove+=("$x")
- done
- else
- if ! mkdir -p "${!#}"; then
- echo "lnf error: failed to make directory ${!#}"
- return 1
- fi
- fi
- elif [[ $# -eq 1 ]]; then
- [[ -e "${1##*/}" || -L "${1##*/}" ]] && to_remove+=("${1##*/}")
+
+ local -a to_remove to_link
+ local x ret prefix dest_dir grp target
+ local mkdir=false
+
+ if [[ $nodir ]]; then
+ dest_file="$2"
+ dest_dir="$(dirname "$dest_file")"
+ _lnf_existing_link "$1" "$dest_file" "$dest_dir" || return $?
+ if $do_exit; then return 0; fi
+ if [[ ! -d $dest_dir ]]; then
+ mkdir=true
+ if [[ -e $dest_dir || -L $dest_dir ]]; then
+ to_remove+=("$dest_dir")
+ fi
+ fi
+ to_link+=("$dest_file")
+ elif (( $# >= 2 )); then
+ dest_dir="${!#}"
+ if [[ -d $dest_dir ]]; then
+ prefix="$dest_dir" # last arg
+ for target in "${@:1:$(( $# - 1 ))}"; do # all but last arg
+ # Remove 1 or more trailing slashes, using.
+ dest_file="${target%%+(/)}"
+ # remove any leading directory components, add prefix
+ dest_file="$prefix/${target##*/}"
+ _lnf_existing_link "$target" "$dest_file" "$dest_dir"
+ done
+ else
+ to_link+=("${@:1:$(( $# - 1 ))}")
+ mkdir=true
+ fi
+ if (( ${#to_link[@]} == 0 )); then
+ return 0