nixpkgs/pkgs/tools/package-management/nix-pin/default.nix

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{ lib, pkgs, stdenv, fetchFromGitHub, mypy, python3, nix, git, makeWrapper }:
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let self = stdenv.mkDerivation rec {
name = "nix-pin-${version}";
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version = "0.3.4";
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src = fetchFromGitHub {
owner = "timbertson";
repo = "nix-pin";
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rev = "version-0.3.4";
sha256 = "03wdxai3hpv2v9jp7r91x8y36ryz6v1cczmx3d26g1bf0ij5svb8";
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};
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buildInputs = [ python3 mypy makeWrapper ];
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checkPhase = ''
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mypy bin/*
'';
installPhase = ''
mkdir "$out"
cp -r bin share "$out"
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wrapProgram $out/bin/nix-pin \
--prefix PATH : "${lib.makeBinPath [ nix git ]}"
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'';
passthru =
let
defaults = import "${self}/share/nix/defaults.nix";
in {
api = { pinConfig ? defaults.pinConfig }:
let impl = import "${self}/share/nix/api.nix" { inherit pkgs pinConfig; }; in
{ inherit (impl) augmentedPkgs pins callPackage; };
updateScript = ''
set -e
echo
cd ${toString ./.}
${pkgs.nix-update-source}/bin/nix-update-source \
--prompt version \
--replace-attr version \
--set owner timbertson \
--set repo nix-pin \
--set type fetchFromGitHub \
--set rev 'version-{version}' \
--modify-nix default.nix
'';
};
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meta = with stdenv.lib; {
homepage = "https://github.com/timbertson/nix-pin";
description = "nixpkgs development utility";
license = licenses.mit;
maintainers = [ maintainers.timbertson ];
platforms = platforms.all;
};
}; in self