Re: rm(1) completion definition

["Nikolai Weibull" <now@bitwi.se>]

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On Wed, Oct 1, 2008 at 15:21, Nikolai Weibull <now@bitwi.se> wrote:

> On Wed, Oct 1, 2008 at 11:38, Oliver Kiddle <okiddle@yahoo.co.uk> wrote:

>> Nikolai Weibull wrote:

>>> 1.  It seems that my trick to disable --force and --recursive on
>>> non-GNU systems doesn't work.

>> This is better done as:
>>  args=( ${args:#*--(force|recursive)\[*} )

> Thanks, will change to that.

Done.

>> The right way to do this would be to work out exactly what can't be
>> completed and build up a suitable glob pattern to pass to _files with
>> -g.
>
> Ugh.  That sounds complicated.

Done.

>> One other point: I really hope that running rm --version can't possibly
>> actually result in a file or files being removed on some system. I'm a
>> bit uneasy about it. Perhaps you should try using rm --help instead
>> because there's no `r' in help.

> OK, sounds reasonable.

Done.

How about including it now?

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#compdef rm

declare -a opts args
args=(
  '(-f --force)'{-f,--force}'[ignore nonexistent files, never prompt]'
  '(-I --interactive)-i[prompt before every removal]'
  '(-r -R --recursive)'{-r,-R,--recursive}'[remove directories and their contents recursively]'
  '*:files:->file'
)
if _pick_variant gnu=gnu unix --help; then
  opts+=(-S)
  args+=(
    '(-i --interactive)-I[prompt when removing many files]'
    '(-i -I)--interactive=-[prompt under given condition (defaulting to always)]::when:((once\:"prompt when removing many files"
                                                                                         always\:"prompt before every removal"))'
    '--one-file-system[stay within filesystems of files given as arguments]'
    '(                   --preserve-root)--no-preserve-root[do not treat / specially]'
    '(--no-preserve-root                )--preserve-root[do not remove / (default)]'
    '(-v --verbose)'{-v,--verbose}'[explain what is being done]'
    '(- *)--help[display help message and exit]'
    '(- *)--version[output version information and exit]'
  )
else
  args=(${args:#*--(force|recursive)\[*})
fi

local curcontext=$curcontext state line ret=1
declare -A opt_args

_arguments -C $opts \
  $args && ret=0

case $state in
  (file)
    declare -a ignored
    ignored=(${line//(#m)[\[\]()\\*?#<>~\^]/\\$MATCH})
    _path_files -F ignored && ret=0
    ;;
esac

return $ret