nixpkgs/pkgs/top-level/rust-packages.nix
2017-04-11 14:16:28 +02:00

51 lines
1.4 KiB
Nix

# This file defines the source of Rust / cargo's crates registry
#
# buildRustPackage will automatically download dependencies from the registry
# version that we define here. If you're having problems downloading / finding
# a Rust library, try updating this to a newer commit.
{ runCommand, fetchFromGitHub, git }:
let
version = "2017-04-11";
rev = "4dff0d079e01ca61b093c5a2fb6123378dfd0d38";
sha256 = "1ygahq5kmagjmwhrss01134vfb8lvim9110y3abjkmp3cc4xwfhy";
src = fetchFromGitHub {
inherit rev;
inherit sha256;
owner = "rust-lang";
repo = "crates.io-index";
};
in
runCommand "rustRegistry-${version}-${builtins.substring 0 7 rev}" { inherit src; } ''
# For some reason, cargo doesn't like fetchgit's git repositories, not even
# if we set leaveDotGit to true, set the fetchgit branch to 'master' and clone
# the repository (tested with registry rev
# 965b634156cc5c6f10c7a458392bfd6f27436e7e), failing with the message:
#
# "Target OID for the reference doesn't exist on the repository"
#
# So we'll just have to create a new git repository from scratch with the
# contents downloaded with fetchgit...
mkdir -p $out
cp -r ${src}/* $out/
cd $out
git="${git}/bin/git"
$git init
$git config --local user.email "example@example.com"
$git config --local user.name "example"
$git add .
$git commit --quiet -m 'Rust registry commit'
touch $out/touch . "$out/.cargo-index-lock"
''