nixpkgs/pkgs/tools/misc/nix-direnv/default.nix

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{ lib
, stdenv
, fetchFromGitHub
, gnugrep
, nixStable
, nixUnstable
, enableFlakes ? false
}:
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let
nix = if enableFlakes then nixUnstable else nixStable;
in
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stdenv.mkDerivation rec {
pname = "nix-direnv";
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version = "1.4.0";
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src = fetchFromGitHub {
owner = "nix-community";
repo = "nix-direnv";
rev = version;
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sha256 = "sha256-BKiuYvxgY2P7GK59jul5l0kHNrJtD2jmsMGmX0+09hY=";
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};
# Substitute instead of wrapping because the resulting file is
# getting sourced, not executed:
postPatch = ''
sed -i "1a NIX_BIN_PREFIX=${nix}/bin/" direnvrc
substituteInPlace direnvrc --replace "grep" "${gnugrep}/bin/grep"
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'';
installPhase = ''
runHook preInstall
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install -m500 -D direnvrc $out/share/nix-direnv/direnvrc
runHook postInstall
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'';
meta = with lib; {
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description = "A fast, persistent use_nix implementation for direnv";
homepage = "https://github.com/nix-community/nix-direnv";
license = licenses.mit;
platforms = platforms.unix;
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maintainers = with maintainers; [ mic92 ];
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};
}