terraform-backend-git: install shell completions

{ lib

, buildGoModule

, fetchFromGitHub

, installShellFiles

}:

buildGoModule rec {

  vendorHash = "sha256-Y/4UgG/2Vp+gxBnGrNpAgRNfPZWJXhVo8TVa/VfOYt0=";

  nativeBuildInputs = [

    installShellFiles

  ];

  ldflags = [ "-s" "-w" ];

  postInstall = ''

    installShellCompletion --cmd terraform-backend-git \

      --bash <($out/bin/terraform-backend-git completion bash) \

      --fish <($out/bin/terraform-backend-git completion fish) \

      --zsh <($out/bin/terraform-backend-git completion zsh)

  '';

  meta = with lib; {

    description = "Terraform HTTP Backend implementation that uses Git repository as storage";

    homepage = "https://github.com/plumber-cd/terraform-backend-git";