bash-completion/contrib/findutils

# bash completion for GNU find. This makes heavy use of ksh style extended
# globs and contains Linux specific code for completing the parameter
# to the -fstype option.

have find &&
_find()
{
    local cur prev i exprfound onlyonce

    COMPREPLY=()
    cur=`_get_cword`
    prev=${COMP_WORDS[COMP_CWORD-1]}

    case "$prev" in
    -maxdepth|-mindepth)
        COMPREPLY=( $( compgen -W '0 1 2 3 4 5 6 7 8 9' -- "$cur" ) )
        return 0
        ;;
    -newer|-anewer|-cnewer|-fls|-fprint|-fprint0|-fprintf|-name|-iname| \
    -lname|-ilname|-wholename|-iwholename)
        _filedir
        return 0
        ;;
    -fstype)
        # this is highly non-portable
        [ -e /proc/filesystems ] &&
            COMPREPLY=( $( compgen -W "$( cut -d$'\t' -f2 /proc/filesystems )" \
            -- "$cur" ) )
        return 0
        ;;
    -gid)
        _gids
        return 0
        ;;
    -group)
        COMPREPLY=( $( compgen -g -- "$cur" 2>/dev/null) )
        return 0
        ;;
    -xtype|-type)
        COMPREPLY=( $( compgen -W 'b c d p f l s' -- "$cur" ) )
        return 0
        ;;
    -uid)
        _uids
        return 0
        ;;
    -user)
        COMPREPLY=( $( compgen -u -- "$cur" ) )
        return 0
        ;;
    -exec|-ok)
        COMP_WORDS=(COMP_WORDS[0] "$cur")
        COMP_CWORD=1
        _command
        return 0
        ;;
    -[acm]min|-[acm]time|-iname|-lname|-wholename|-iwholename|-lwholename| \
    -ilwholename|-inum|-path|-ipath|-regex|-iregex|-links|-perm|-size| \
    -used|-printf)
        # do nothing, just wait for a parameter to be given
        return 0
        ;;
    esac

    _expand || return 0

    # set exprfound to 1 if there is already an expression present
    for i in ${COMP_WORDS[@]}; do
        [[ "$i" = [-\(\),\!]* ]] && exprfound=1 && break
    done

    # handle case where first parameter is not a dash option
    if [[ "$exprfound" != 1 && "$cur" != [-\(\),\!]* ]]; then
        _filedir -d
        return 0
    fi

    # complete using basic options
    COMPREPLY=( $( compgen -W '-daystart -depth -follow -help -maxdepth \
        -mindepth -mount -noleaf -version -xdev -amin -anewer \
        -atime -cmin -cnewer -ctime -empty -false -fstype \
        -gid -group -ilname -iname -inum -ipath -iregex \
        -wholename \
        -links -lname -mmin -mtime -name -newer -nouser \
        -nogroup -perm -regex -size -true -type -uid -used \
        -user -xtype -exec -fls -fprint -fprint0 -fprintf -ok \
        -print -print0 -printf -prune -ls -wholename -iwholename' -- "$cur" ) )

    # this removes any options from the list of completions that have
    # already been specified somewhere on the command line, as long as
    # these options can only be used once (in a word, "options", in
    # opposition to "tests" and "actions", as in the find(1) manpage).
    onlyonce=' -daystart -depth -follow -help -maxdepth -mindepth -mount \
       -noleaf -version -xdev '
    COMPREPLY=( $( \
           (while read -d ' ' i; do
            [[ -z "$i" || "${onlyonce/ ${i%% *} / }" == "$onlyonce" ]] &&
            continue
            # flatten array with spaces on either side,
            # otherwise we cannot grep on word boundaries of
            # first and last word
            COMPREPLY=" ${COMPREPLY[@]} "
            # remove word from list of completions
            COMPREPLY=( ${COMPREPLY/ ${i%% *} / } )
            done
            echo "${COMPREPLY[@]}") <<<"${COMP_WORDS[@]}"
          ) )

    _filedir

    return 0
} &&
complete -F _find -o filenames find

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