sops: add bash/zsh completion (#322572)

#!/usr/bin/env bash

# based on https://github.com/urfave/cli/blob/v2.3.0/autocomplete/bash_autocomplete

_cli_bash_autocomplete() {

    if [[ "${COMP_WORDS[0]}" != "source" ]]; then

        local cur opts

        COMPREPLY=()

        cur="${COMP_WORDS[COMP_CWORD]}"

        if [[ "$cur" == "-"* ]]; then

            opts=$("${COMP_WORDS[@]:0:$COMP_CWORD}" "${cur}" --generate-bash-completion)

        else

            opts=$("${COMP_WORDS[@]:0:$COMP_CWORD}" --generate-bash-completion)

        fi

        IFS=$'\n' read -d '' -ra COMPREPLY < <(compgen -W "${opts}" -- "${cur}")

        return 0

    fi

}

complete -o bashdefault -o default -o nospace -F _cli_bash_autocomplete sops

{ lib, buildGoModule, fetchFromGitHub, nix-update-script }:

{

  lib,

  buildGoModule,

  fetchFromGitHub,

  installShellFiles,

  nix-update-script,

}:

buildGoModule rec {

  pname = "sops";

  passthru.updateScript = nix-update-script { };

  nativeBuildInputs = [ installShellFiles ];

  postInstall = ''

    installShellCompletion --cmd sops --bash ${./bash_autocomplete}

    installShellCompletion --cmd sops --zsh ${./zsh_autocomplete}

  '';

  meta = with lib; {

    homepage = "https://getsops.io/";

    description = "Simple and flexible tool for managing secrets";

#compdef sops

## based on https://github.com/urfave/cli/blob/v2.3.0/autocomplete/zsh_autocomplete

_cli_zsh_autocomplete() {

  local -a opts

  local cur

  cur=${words[-1]}

  if [[ "$cur" == "-"* ]]; then

    opts=("${(@f)$(_CLI_ZSH_AUTOCOMPLETE_HACK=1 ${words[@]:0:#words[@]-1} ${cur} --generate-bash-completion)}")

  else

    opts=("${(@f)$(_CLI_ZSH_AUTOCOMPLETE_HACK=1 ${words[@]:0:#words[@]-1} --generate-bash-completion)}")

  fi

  if [[ "${opts[1]}" != "" ]]; then

    _describe 'values' opts

  else

    _files

  fi

  return

}

compdef _cli_zsh_autocomplete sops