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#compdef rm grm zf_rm

local variant
declare -a args opts=( -A '-*' )
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]'
  '*:: :->file'
)
_pick_variant -r variant -b zsh gnu=gnu $OSTYPE --help
case $variant; in
  gnu)
    opts=()
    args+=(
      '(-i --interactive)-I[prompt when removing many files]'
      '(-i -I)--interactive=-[prompt under given condition (defaulting to always)]::when:((once\:"prompt when removing many files"
                                                                                           always\:"prompt before every removal"))'
      '--one-file-system[stay within filesystems of files given as arguments]'
      '(                   --preserve-root)--no-preserve-root[do not treat / specially]'
      '(--no-preserve-root                )--preserve-root[do not remove / (default)]'
      '(-d --dir)'{-d,--dir}'[remove directories as well]'
      '(-v --verbose)'{-v,--verbose}'[explain what is being done]'
      '(- *)--help[display help message and exit]'
      '(- *)--version[output version information and exit]'
    )
    ;;
  *)
    args=(${args:#*)--*\[*})
    ;|
  darwin*|dragonfly*|freebsd*|netbsd*|openbsd*|zsh)
    args+=(
      '-d[remove directories as well]'
    )
    ;|
  zsh)
    args+=(
      '-s[enable paranoid behavior]'
    )
    ;;
  darwin*|dragonfly*|freebsd*|netbsd*|openbsd*)
    args+=(
      '-P[overwrite files before deleting them]'
      '-v[explain what is being done]'
    )
    ;|
  darwin*|dragonfly*|freebsd*|netbsd*)
    args+=(
      '-W[attempt to undelete named files]'
    )
    ;|
  dragonfly*|freebsd*|netbsd*)
    args+=(
      "-x[don't cross file systems when removing a hierarchy]"
    )
    ;|
  dragonfly*|freebsd*)
    args+=(
      '(-i)-I[prompt when removing many files]'
    )
    ;;
esac

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

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

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

return $ret