#compdef realpath

autoload -U is-at-least

_realpath() {
    typeset -A opt_args
    typeset -a _arguments_options
    local ret=1

    if is-at-least 5.2; then
        _arguments_options=(-s -S -C)
    else
        _arguments_options=(-s -C)
    fi

    local context curcontext="$curcontext" state line
    _arguments "${_arguments_options[@]}" : \
'--relative-to=[print the resolved path relative to DIR]:DIR:_default' \
'--relative-base=[print absolute paths unless paths below DIR]:DIR:_default' \
'-q[Do not print warnings for invalid paths]' \
'--quiet[Do not print warnings for invalid paths]' \
'-s[Only strip '\''.'\'' and '\''..'\'' components, but don'\''t resolve symbolic links]' \
'--strip[Only strip '\''.'\'' and '\''..'\'' components, but don'\''t resolve symbolic links]' \
'--no-symlinks[Only strip '\''.'\'' and '\''..'\'' components, but don'\''t resolve symbolic links]' \
'-z[Separate output filenames with \\0 rather than newline]' \
'--zero[Separate output filenames with \\0 rather than newline]' \
'-L[resolve '\''..'\'' components before symlinks]' \
'--logical[resolve '\''..'\'' components before symlinks]' \
'-P[resolve symlinks as encountered (default)]' \
'--physical[resolve symlinks as encountered (default)]' \
'-E[all but the last component must exist (default)]' \
'--canonicalize[all but the last component must exist (default)]' \
'-e[canonicalize by following every symlink in every component of the given name recursively, all components must exist]' \
'--canonicalize-existing[canonicalize by following every symlink in every component of the given name recursively, all components must exist]' \
'-m[canonicalize by following every symlink in every component of the given name recursively, without requirements on components existence]' \
'--canonicalize-missing[canonicalize by following every symlink in every component of the given name recursively, without requirements on components existence]' \
'-h[Print help]' \
'--help[Print help]' \
'-V[Print version]' \
'--version[Print version]' \
':files:_files' \
&& ret=0
}

(( $+functions[_realpath_commands] )) ||
_realpath_commands() {
    local commands; commands=()
    _describe -t commands 'realpath commands' commands "$@"
}

if [ "$funcstack[1]" = "_realpath" ]; then
    _realpath "$@"
else
    compdef _realpath realpath
fi
