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* Suggestion for Completion/Unix/Command/_ln
@ 2011-08-19 11:05 Nikolai Weibull
  2011-08-19 20:23 ` Peter Stephenson
  0 siblings, 1 reply; 4+ messages in thread
From: Nikolai Weibull @ 2011-08-19 11:05 UTC (permalink / raw)
  To: Zsh Workers

[-- Attachment #1: Type: text/plain, Size: 190 bytes --]

Hi!

Here’s a suggestion for Completion/Unix/Command/_ln.

I have, however, not been able to get _pick_variant to work for
zle/files.  Can someone please suggest a way to handle it?

[-- Attachment #2: _ln --]
[-- Type: application/octet-stream, Size: 3135 bytes --]

#compdef ln gln

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

local -a args
args=(
  '-f[remove existing destination files]'
  '-s[create symbolic links instead of hard links]')

local -a opts

local variant
_pick_variant -r variant gnu=gnu zsh=zsh unix --help
case $variant in
  (gnu)
    opts=(-S)
    args=(
      '(-b --backup)-b[create a backup of each existing destination file]' \
      '(-b --backup)--backup=[create a backup of each existing destination file]::method:((
         none\:"never create backups"
         off\:"never create backups"
         numbered\:"create numbered backup"
         t\:"create numbered backup"
         existing\:"same as numbered if numbered backups exist, otherwise same as simple"
         nil\:"same as numbered if numbered backups exist, otherwise same as simple"
         simple\:"always create simple backups"
         never\:"always create simple backups"))'
      '(-d -F --directory)'{-d,-F,--directory}'[allow the superuser to attempt to hard link directories]'
      '(-f --force)'{-f,--force}'[remove existing destination files]'
      '(-i --interactive)'{-i,--interactive}'[prompt before removing destination files]'
      '(-L --logical)'{-L,--logical}'[create hard links to symbolic link references]'
      '(-n --no-dereference)'{-n,--no-dereference}'[treat destination symbolic link to a directory as if it were a normal file]'
      '(-P --physical)'{-P,--physical}'[create hard links directly to symbolic links]'
      '(-s --symbolic)'{-s,--symbolic}'[create symbolic links instead of hard links]'
      '(-S --suffix)'{-S,--suffix=}'[override default backup suffix]:suffix'
      '(-t --target-directory)'{-t,--target-directory=}'[specify directory in which to create the links]: :_directories'
      '(-T --no-target-directory)'{-T,--no-target-directory}'[treat destination as a normal file]'
      '(-v --verbose)'{-v,--verbose}'[print name of each linked file]'
      '--help[display usage information and exit]'
      '--version[display version information and exit]')
    ;;
  (zsh)
    args+=(
      '-d[attempt to hard link directories]'
      {-h,-n}'[do not dereference destination]'
        '-i[prompt before removing destination files]')
    ;;
  (*)
    case $OSTYPE in
      (darwin*)
        args+=(
          '-F[remove existing destination directories]'
          {-h,-n}'[do not dereference destination]'
          '-i[prompt before removing destination files]'
          '-v[print name of each linked file]')
        ;;
    esac
    ;;
esac

_arguments -s $opts \
  $args \
  ':link target:_files' \
  '*:: :->files' && ret=0

case $state in
  (files)
    if [[ $variant == gnu && -n ${opt_args[(I)-t|--target-directory]} ]]; then
      _wanted files expl 'link target' _files && ret=0
    else
      if (( CURRENT == 2 )); then
        local expl
        _wanted files expl 'additional link target or link name' _files && ret=0
      else
        _alternative \
          'link-targets:additional link target:_files' \
          'target-directories:target directory:_directories' && ret=0
      fi
    fi
    ;;
esac

return ret

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: Suggestion for Completion/Unix/Command/_ln
  2011-08-19 11:05 Suggestion for Completion/Unix/Command/_ln Nikolai Weibull
@ 2011-08-19 20:23 ` Peter Stephenson
  2011-08-20  7:38   ` Nikolai Weibull
  0 siblings, 1 reply; 4+ messages in thread
From: Peter Stephenson @ 2011-08-19 20:23 UTC (permalink / raw)
  To: Zsh Workers

On Fri, 19 Aug 2011 13:05:08 +0200
Nikolai Weibull <now@bitwi.se> wrote:
> I have, however, not been able to get _pick_variant to work for
> zle/files.  Can someone please suggest a way to handle it?

if [[ -n $builtins[ln] ]]; then ...

should be good enough to test if ln is being provided by a builtin
(possibly not yet loaded).

-- 
Peter Stephenson <p.w.stephenson@ntlworld.com>
Web page now at http://homepage.ntlworld.com/p.w.stephenson/


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: Suggestion for Completion/Unix/Command/_ln
  2011-08-19 20:23 ` Peter Stephenson
@ 2011-08-20  7:38   ` Nikolai Weibull
  2011-08-20  7:45     ` Nikolai Weibull
  0 siblings, 1 reply; 4+ messages in thread
From: Nikolai Weibull @ 2011-08-20  7:38 UTC (permalink / raw)
  To: Peter Stephenson; +Cc: Zsh Workers

[-- Attachment #1: Type: text/plain, Size: 563 bytes --]

On Fri, Aug 19, 2011 at 22:23, Peter Stephenson
<p.w.stephenson@ntlworld.com> wrote:
> On Fri, 19 Aug 2011 13:05:08 +0200
> Nikolai Weibull <now@bitwi.se> wrote:
>> I have, however, not been able to get _pick_variant to work for
>> zle/files.  Can someone please suggest a way to handle it?
>
> if [[ -n $builtins[ln] ]]; then ...
>
> should be good enough to test if ln is being provided by a builtin
> (possibly not yet loaded).

OK, thanks!  I changed it to (( ${+builtins[ln]} )), as I like that
pattern better.

Here’s an updated version.

[-- Attachment #2: _ln --]
[-- Type: application/octet-stream, Size: 3028 bytes --]

#compdef ln gln

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

local -a args
args=(
  '-f[remove existing destination files]'
  '-s[create symbolic links instead of hard links]')

local -a opts

local variant
_pick_variant -r variant gnu=gnu unix --help
if [[ $variant == gnu ]]; then
  opts=(-S)
  args=(
    '(-b --backup)-b[create a backup of each existing destination file]' \
    '(-b --backup)--backup=[create a backup of each existing destination file]::method:((
        none\:"never create backups"
        off\:"never create backups"
        numbered\:"create numbered backup"
        t\:"create numbered backup"
        existing\:"same as numbered if numbered backups exist, otherwise same as simple"
        nil\:"same as numbered if numbered backups exist, otherwise same as simple"
        simple\:"always create simple backups"
        never\:"always create simple backups"))'
    '(-d -F --directory)'{-d,-F,--directory}'[allow the superuser to attempt to hard link directories]'
    '(-f --force)'{-f,--force}'[remove existing destination files]'
    '(-i --interactive)'{-i,--interactive}'[prompt before removing destination files]'
    '(-L --logical)'{-L,--logical}'[create hard links to symbolic link references]'
    '(-n --no-dereference)'{-n,--no-dereference}'[treat destination symbolic link to a directory as if it were a normal file]'
    '(-P --physical)'{-P,--physical}'[create hard links directly to symbolic links]'
    '(-s --symbolic)'{-s,--symbolic}'[create symbolic links instead of hard links]'
    '(-S --suffix)'{-S,--suffix=}'[override default backup suffix]:suffix'
    '(-t --target-directory)'{-t,--target-directory=}'[specify directory in which to create the links]: :_directories'
    '(-T --no-target-directory)'{-T,--no-target-directory}'[treat destination as a normal file]'
    '(-v --verbose)'{-v,--verbose}'[print name of each linked file]'
    '--help[display usage information and exit]'
    '--version[display version information and exit]')
elif (( ${+builtins[ln]} )); then
  args+=(
    '-d[attempt to hard link directories]'
    {-h,-n}'[do not dereference destination]'
    '-i[prompt before removing destination files]')
elif [[ $OSTYPE == darwin* ]]; then
  args+=(
    '-F[remove existing destination directories]'
    {-h,-n}'[do not dereference destination]'
    '-i[prompt before removing destination files]'
    '-v[print name of each linked file]')
fi

_arguments -s $opts \
  $args \
  ':link target:_files' \
  '*:: :->files' && ret=0

case $state in
  (files)
    if [[ $variant == gnu && -n ${opt_args[(I)-t|--target-directory]} ]]; then
      _wanted files expl 'link target' _files && ret=0
    else
      if (( CURRENT == 2 )); then
        local expl
        _wanted files expl 'additional link target or link name' _files && ret=0
      else
        _alternative \
          'link-targets:additional link target:_files' \
          'target-directories:target directory:_directories' && ret=0
      fi
    fi
    ;;
esac

return ret

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: Suggestion for Completion/Unix/Command/_ln
  2011-08-20  7:38   ` Nikolai Weibull
@ 2011-08-20  7:45     ` Nikolai Weibull
  0 siblings, 0 replies; 4+ messages in thread
From: Nikolai Weibull @ 2011-08-20  7:45 UTC (permalink / raw)
  To: Peter Stephenson; +Cc: Zsh Workers

On Sat, Aug 20, 2011 at 09:38, Nikolai Weibull <now@bitwi.se> wrote:
> On Fri, Aug 19, 2011 at 22:23, Peter Stephenson
> <p.w.stephenson@ntlworld.com> wrote:
>> On Fri, 19 Aug 2011 13:05:08 +0200
>> Nikolai Weibull <now@bitwi.se> wrote:
>>> I have, however, not been able to get _pick_variant to work for
>>> zle/files.  Can someone please suggest a way to handle it?

>> if [[ -n $builtins[ln] ]]; then ...
>>
>> should be good enough to test if ln is being provided by a builtin
>> (possibly not yet loaded).

> OK, thanks!  I changed it to (( ${+builtins[ln]} )), as I like that
> pattern better.
>
> Here’s an updated version.

(I’ve committed it to CVS.  I hope that was alright.)


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2011-08-20  7:45 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-08-19 11:05 Suggestion for Completion/Unix/Command/_ln Nikolai Weibull
2011-08-19 20:23 ` Peter Stephenson
2011-08-20  7:38   ` Nikolai Weibull
2011-08-20  7:45     ` Nikolai Weibull

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