From 0643540f97995e785b5e1d9b62be6876da3d2d20 Mon Sep 17 00:00:00 2001
From: figsoda <figsoda@pm.me>
Date: Mon, 28 Nov 2022 16:59:52 -0500
Subject: [PATCH] rustPlatform.cargoNextestHook: init

---
 .../rust/hooks/cargo-nextest-hook.sh          | 54 +++++++++++++++++++
 pkgs/build-support/rust/hooks/default.nix     | 10 ++++
 2 files changed, 64 insertions(+)
 create mode 100644 pkgs/build-support/rust/hooks/cargo-nextest-hook.sh

diff --git a/pkgs/build-support/rust/hooks/cargo-nextest-hook.sh b/pkgs/build-support/rust/hooks/cargo-nextest-hook.sh
new file mode 100644
index 000000000000..de85683ead2a
--- /dev/null
+++ b/pkgs/build-support/rust/hooks/cargo-nextest-hook.sh
@@ -0,0 +1,54 @@
+declare -a checkFlags
+declare -a cargoTestFlags
+
+cargoNextestHook() {
+    echo "Executing cargoNextestHook"
+
+    runHook preCheck
+
+    if [[ -n "${buildAndTestSubdir-}" ]]; then
+        pushd "${buildAndTestSubdir}"
+    fi
+
+    if [[ -z ${dontUseCargoParallelTests-} ]]; then
+        threads=$NIX_BUILD_CORES
+    else
+        threads=1
+    fi
+
+    if [ "${cargoCheckType}" != "debug" ]; then
+        cargoCheckProfileFlag="--${cargoCheckType}"
+    fi
+
+    if [ -n "${cargoCheckNoDefaultFeatures-}" ]; then
+        cargoCheckNoDefaultFeaturesFlag=--no-default-features
+    fi
+
+    if [ -n "${cargoCheckFeatures-}" ]; then
+        cargoCheckFeaturesFlag="--features=${cargoCheckFeatures// /,}"
+    fi
+
+    argstr="${cargoCheckProfileFlag} ${cargoCheckNoDefaultFeaturesFlag} ${cargoCheckFeaturesFlag}
+        --target @rustTargetPlatformSpec@ --frozen ${cargoTestFlags}"
+
+    (
+        set -x
+        cargo nextest run \
+              -j ${threads} \
+              ${argstr} -- \
+              ${checkFlags} \
+              ${checkFlagsArray+"${checkFlagsArray[@]}"}
+    )
+
+    if [[ -n "${buildAndTestSubdir-}" ]]; then
+        popd
+    fi
+
+    echo "Finished cargoNextestHook"
+
+    runHook postCheck
+}
+
+if [ -z "${dontCargoCheck-}" ] && [ -z "${checkPhase-}" ]; then
+  checkPhase=cargoNextestHook
+fi
diff --git a/pkgs/build-support/rust/hooks/default.nix b/pkgs/build-support/rust/hooks/default.nix
index 6ee122adb52a..b9bbac371985 100644
--- a/pkgs/build-support/rust/hooks/default.nix
+++ b/pkgs/build-support/rust/hooks/default.nix
@@ -1,6 +1,7 @@
 { buildPackages
 , callPackage
 , cargo
+, cargo-nextest
 , clang
 , lib
 , makeSetupHook
@@ -55,6 +56,15 @@ in {
       };
     } ./cargo-install-hook.sh) {};
 
+  cargoNextestHook = callPackage ({ }:
+    makeSetupHook {
+      name = "cargo-nextest-hook.sh";
+      deps = [ cargo cargo-nextest ];
+      substitutions = {
+        inherit rustTargetPlatformSpec;
+      };
+    } ./cargo-nextest-hook.sh) {};
+
   cargoSetupHook = callPackage ({ }:
     makeSetupHook {
       name = "cargo-setup-hook.sh";