[Pkg-zsh-devel] Bug#699851: zsh: please add completion for dcut

[Sebastian Ramacher]

Package: zsh-common
Version: 5.0.2-2
Severity: wishlist
Tags: patch

Please add completion support for dcut to zsh. I've attached an initial
version of the completion supporting both dcut from dput and dput-ng.

There is one TODO left: the host completion doesn't work since I didn't
manage to get it right after a day of trying. I'd appreciate any help
and hints to get this final bit fixed.

Regards
-- 
Sebastian Ramacher
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#compdef dcut

# TODO: dcut supports two ways to be called:
#  * dcut HOST COMMAND ...
#  * dcut COMMAND ...
# So ideally, if the first argument is completed, both commands and hosts should
# be offered. If host is given, the second argument should be completed as
# command and if not, it should be completed as command specific option.

function _dcut_commands() {
  local -a cmds
  if _pick_variant dcutng="usage: dcut" dcut -v ; then
    cmds=(
      dm:'manage Debian Maintainer permissions'
      break-the-archive:'break the archive'
      reschedule:'reschedule a deferred upload'
      cancel:'cancel a deferred upload'
      rm:'remove a file from the upload queue'
      upload:'upload a command file'
    )
  else
    cmds=(
      rm:'remove a file from the upload queue'
      cancel:'cancel a deferred upload'
      reschedule:'reschedule a deferred upload'
    )
  fi
  _describe -t commands command cmds
}

function _dcut() {
  local -a all_opts dcut_opts dcut_ng_opts
  local state line context
  local -A opt_args
  local curcontext="${curcontext}"

  all_opts=(
    '(-c --config)'{-c,--config=}'[specify config file]:config file:_files'
    '(-h --help)'{-h,--help}'[show help message and exit]'
    '(-m --maintainer)'{-m,--maintainer=}'[use maintainer for upload field and GPG key selection]:maintainer address'
    '(-k --keyid)'{-k,--keyid}'[use key id for signing]:keyid'
    '(-O --output)'{-O,--output=}'[write command file to file instead of uploading]:output file:_files'
    '(-P --passive)'{-P,--passive}'[use passive FTP for uploads]'
    '(-v --version)'{-v,--version}'[show version information]'
    ':command:_dcut_commands'
  )

  dcut_opts=(
    '(-d --debug)'{-d,--debug}'[debug mode]'
    '(-s --simulate)'{-s,--simulate}'[simulate an upload only]'
    '(-i --input)'{-i,--input=}'[create commands file to remove every file listed in the changes file]:changes file:_files -g"*.changes(-.)"'
    '(-U --upload)'{-U,--upload=}'[upload commands file]:commands file:_files'
    '(--host 1)'{--host=}'[upload to host if it is named like a command]:host:_dput_hosts'
    '*:: :->dcut_command_arguments'
  )

  dcut_ng_opts=(
    '*'{-d,--debug}'[enable debug messages, repeat twice to increase the verbosity level]'
    '*'{-s,--simulate}'[simulate an upload only, repeat twice to increase level of simulation]'
    '*:: :->dcut_ng_command_arguments'
  )

  if _pick_variant dcutng="usage: dcut" dcut -v ; then
    _arguments -C \
      "$all_opts[@]" "$dcut_ng_opts[@]" && return
  else
    _arguments -C \
      "$all_opts[@]" "$dcut_opts[@]" && return
  fi

  case $state in
  (dcut_command_arguments)
    # arguments to dcut commands
    local -a opts
    case ${line[1]} in
    (cancel)
      # dcut cancel arguments
      opts=(
        '1::changes file:_files -g"*.changes(-.)"'
      )
      ;;
    (reschedule)
      # dcut reschedule arguments
      opts=(
        '1::changes file:_files -g"*.changes(-.)"'
        '2::new delayed queue:(0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15)'
      )
      ;;
    (rm)
      # dcut rm arguments
      opts=(
        '--searchdirs[search in all directores for the given files]'
        '1::file to be deleted:_files'
      )
      ;;
    esac
    _arguments "$opts[@]" && return
    ;;
  (dcut_ng_command_arguments)
    # arguments to dput-ng's dcut commands
    local -a opts
    case ${line[1]} in
    (cancel)
      # dcut cancel arguments
      opts=(
        '(-f --filename)'{-f,--filename}'[.changes file name of the upload to be cancelled]:file name:_files -g"*.changes(-.)"'
      )
      ;;
    (dm)
      # dcut dm arguments
      opts=(
        '--uid[full name and address or GPG fingerprint of the Debian Maintainer]'
        '*--allow[grant permission to upload a source package]:source package'
        '*--deny[remove permission to upload a source pckage]:source package'
      )
      ;;
    (reschedule)
      # dcut reschedule arguments
      opts=(
        '(-f --filename)'{-f,--filename}'[.changes file name to be rescheduled]:file name:_files -g"*.changes(-.)"'
        '(-d --days)'{-d,--days}'[new delayed queue]:days:(0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15)'
      )
      ;;
    (rm)
      # dcut rm arguments
      opts=(
        '*'{-f,--filename}'[file name to be removed]:file name:_files'
        '--searchdirs[search in all directores for the given files]'
      )
      ;;
    (upload)
      # dcut upload arguments
      opts=(
        '-f --filename)'{-f,--filename}'[file to be uploaded]:file name:_files'
      )
      ;;
    esac
    _arguments "$opts[@]" && return
    ;;
  esac
}

_dcut "$@"
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