nixpkgs/pkgs/shells/bash/nix-bash-completions/default.nix
Samuel Dionne-Riel 8608d393e8 nix-bash-completions: Reduce priority for Nix 2.4
Reducing the priority makes the system build prefer the Nix-provided
completions, for e.g. the new `nix` commands.
2021-11-26 02:17:15 -05:00

38 lines
1.1 KiB
Nix

{ lib, stdenv, fetchFromGitHub }:
stdenv.mkDerivation rec {
version = "0.6.8";
pname = "nix-bash-completions";
src = fetchFromGitHub {
owner = "hedning";
repo = "nix-bash-completions";
rev = "v${version}";
sha256 = "1n5zs6xcnv4bv1hdaypmz7fv4j7dsr4a0ifah99iyj4p5j85i1bc";
};
# To enable lazy loading via. bash-completion we need a symlink to the script
# from every command name.
installPhase = ''
commands=$(
function complete() { shift 2; echo "$@"; }
shopt -s extglob
source _nix
)
install -Dm444 -t $out/share/bash-completion/completions _nix
cd $out/share/bash-completion/completions
for c in $commands; do
ln -s _nix $c
done
'';
meta = with lib; {
homepage = "https://github.com/hedning/nix-bash-completions";
description = "Bash completions for Nix, NixOS, and NixOps";
license = licenses.bsd3;
platforms = platforms.all;
maintainers = with maintainers; [ hedning ];
# Set a lower priority such that the newly provided completion from Nix 2.4 are preferred.
priority = 10;
};
}