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#compdef mkdir gmkdir zf_mkdir

local curcontext="$curcontext" state line expl args variant ret=1
typeset -A opt_args

args=(
  '(-m --mode)'{-m,--mode=}'[set permission mode]:numeric mode'
  '(-p --parents)'{-p,--parents}'[make parent directories as needed]'
  '(-)*: :->directories'
)

case "$OSTYPE" in
  linux*)
    args+=(
      '(-Z --context)'{-Z,--context=}'[set SELinux context]:SELinux context'
    )
  ;;
esac

_pick_variant -r variant gnu=gnu zsh='\(eval\)' $OSTYPE --help
# It can still happen that there is a precommand command or builtin in the line.
# In such cases, the variant has to be modified suitably, after further checking
# the variant of the _command_ mkdir.

# I currently don't know of any way to find out what precommands are present on
# the line. The variant should be modified like this once a way is found out:

# if [[ $variant == zsh ]]; then
#   if [[ $precommand = *command* ]]; then
#     _mkdir_command () { command mkdir "$@" }
#     _pick_variant -c _mkdir_command -r variant gnu=gnu unix --help
#   fi
# elif [[ $precommand = *builtin* ]]; then
#   variant=zsh
# fi

case $variant in
  gnu|freebsd*|dragonfly*)
    args+=(
      '(-v --verbose)'{-v,--verbose}'[print message for each created directory]'
    )
  ;|
  gnu)
    args+=(
      '(- :)--help[display help information]'
      '(- :)--version[display version information]'
    )
  ;;
  zsh) # remove all options
    args=( '*: :->directories' )
  ;;
  *) # non-GNU: remove long options
    args=( ${${${args:#(|*\))--*}//--[^ )]#/}/\( #\)/} )
  ;;
esac

_arguments -C -s $args && ret=0

case "$state" in
  directories)
    _wanted directories expl \
      'parent directory (alternatively specify name of directory)' \
      _path_files -/ && ret=0
  ;;
esac

return ret