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Merge pull request #197478 from CobaltCause/add-cargo-llvm-cov

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cargo-llvm-cov: fix tests, mark broken as needed
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Matthias Beyer 2023-09-11 09:53:55 +02:00 committed by GitHub
commit ac1367d48c
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1 changed files with 66 additions and 23 deletions
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89
pkgs/development/tools/rust/cargo-llvm-cov/default.nix
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@ -1,36 +1,76 @@
# If the tests are broken, it's probably for one of two reasons:
#
# 1. The version of llvm used doesn't match the expectations of rustc and/or
# cargo-llvm-cov. This is relatively unlikely because we pull llvm out of
# rustc's attrset, so it *should* be the right version as long as this is the
# case.
# 2. Nixpkgs has changed its rust infrastructure in a way that causes
# cargo-llvm-cov to misbehave under test. It's likely that even though the
# tests are failing, cargo-llvm-cov will still function properly in actual
# use. This has happened before, and is described [here][0] (along with a
# feature request that would fix this instance of the problem).
#
# For previous test-troubleshooting discussion, see [here][1].
#
# [0]: https://github.com/taiki-e/cargo-llvm-cov/issues/242
# [1]: https://github.com/NixOS/nixpkgs/pull/197478
{ stdenv
, lib
, fetchCrate
, fetchurl
, fetchFromGitHub
, rustPlatform
, rustc
}:
rustPlatform.buildRustPackage rec {
let
pname = "cargo-llvm-cov";
version = "0.5.31";
src = fetchCrate {
inherit pname version;
sha256 = "sha256-HjnP9H1t660PJ5eXzgAhrdDEgqdzzb+9Dbk5RGUPjaQ=";
owner = "taiki-e";
homepage = "https://github.com/${owner}/${pname}";
llvm = rustc.llvmPackages.llvm;
# Download `Cargo.lock` from crates.io so we don't clutter up Nixpkgs
cargoLock = fetchurl {
name = "Cargo.lock";
url = "https://crates.io/api/v1/crates/${pname}/${version}/download";
sha256 = "sha256-BbrdyJgZSIz6GaTdQv1GiFHufRBSbcoHcqqEmr/HvAM=";
downloadToTemp = true;
postFetch = ''
tar xzf $downloadedFile ${pname}-${version}/Cargo.lock
mv ${pname}-${version}/Cargo.lock $out
'';
};
cargoSha256 = "sha256-p6zpRRNX4g+jESNSwouWMjZlFhTBFJhe7LirYtFrZ1g=";
in
# skip tests which require llvm-tools-preview
checkFlags = [
"--skip bin_crate"
"--skip cargo_config"
"--skip clean_ws"
"--skip instantiations"
"--skip merge"
"--skip merge_failure_mode_all"
"--skip no_test"
"--skip open_report"
"--skip real1"
"--skip show_env"
"--skip virtual1"
];
rustPlatform.buildRustPackage {
inherit pname version;
meta = rec {
homepage = "https://github.com/taiki-e/${pname}";
# Use `fetchFromGitHub` instead of `fetchCrate` because the latter does not
# pull in fixtures needed for the test suite
src = fetchFromGitHub {
inherit owner;
repo = pname;
rev = "v${version}";
sha256 = "sha256-wRo94JVn4InkhrMHFSsEvm2FFIxUsltA57sMMOcL8b0=";
};
# Upstream doesn't include the lockfile so we need to add it back
postUnpack = ''
cp ${cargoLock} source/Cargo.lock
'';
cargoSha256 = "sha256-XcsognndhHenYnlJCNMbrNh+S8FX7qxXUjuV1j2qsmY=";
# `cargo-llvm-cov` reads these environment variables to find these binaries,
# which are needed to run the tests
LLVM_COV = "${llvm}/bin/llvm-cov";
LLVM_PROFDATA = "${llvm}/bin/llvm-profdata";
meta = {
inherit homepage;
changelog = homepage + "/blob/v${version}/CHANGELOG.md";
description = "Cargo subcommand to easily use LLVM source-based code coverage";
longDescription = ''
@ -39,6 +79,9 @@ rustPlatform.buildRustPackage rec {
library (e.g. fenix or rust-overlay)
'';
license = with lib.licenses; [ asl20 /* or */ mit ];
maintainers = with lib.maintainers; [ wucke13 matthiasbeyer ];
maintainers = with lib.maintainers; [ wucke13 matthiasbeyer CobaltCause ];
# The profiler runtime is (currently) disabled on non-Linux platforms
broken = !(stdenv.isLinux && !stdenv.targetPlatform.isRedox);
};
}