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From 96f66ec32e003c6c215aa2a644281289a71dae7d Mon Sep 17 00:00:00 2001
From: Ilan Joselevich <personal@ilanjoselevich.com>
Date: Sun, 4 Aug 2024 02:35:27 +0300
Subject: [PATCH] Fix: Use mkDerivation with src instead of runCommand for test
derivation
The problem with using runCommand and recreating the src directory with
lndir is that it changes the file types of individual files, they will
now be a symlink instead of a regular file. If you have a crate that tests
that a file is of regular type then it will fail inside the crate2nix derivation.
---
templates/nix/crate2nix/default.nix | 81 ++++++++-----------
1 file changed, 35 insertions(+), 46 deletions(-)
diff --git a/templates/nix/crate2nix/default.nix b/templates/nix/crate2nix/default.nix
index c53925e..90e10c6 100644
--- a/templates/nix/crate2nix/default.nix
+++ b/templates/nix/crate2nix/default.nix
@@ -120,52 +120,41 @@ rec {
testPostRun
]);
in
- pkgs.runCommand "run-tests-${testCrate.name}"
- {
- inherit testCrateFlags;
- buildInputs = testInputs;
- } ''
- set -e
-
- export RUST_BACKTRACE=1
-
- # recreate a file hierarchy as when running tests with cargo
-
- # the source for test data
- # It's necessary to locate the source in $NIX_BUILD_TOP/source/
- # instead of $NIX_BUILD_TOP/
- # because we compiled those test binaries in the former and not the latter.
- # So all paths will expect source tree to be there and not in the build top directly.
- # For example: $NIX_BUILD_TOP := /build in general, if you ask yourself.
- # NOTE: There could be edge cases if `crate.sourceRoot` does exist but
- # it's very hard to reason about them.
- # Open a bug if you run into this!
- mkdir -p source/
- cd source/
-
- ${pkgs.buildPackages.xorg.lndir}/bin/lndir ${crate.src}
-
- # build outputs
- testRoot=target/debug
- mkdir -p $testRoot
-
- # executables of the crate
- # we copy to prevent std::env::current_exe() to resolve to a store location
- for i in ${crate}/bin/*; do
- cp "$i" "$testRoot"
- done
- chmod +w -R .
-
- # test harness executables are suffixed with a hash, like cargo does
- # this allows to prevent name collision with the main
- # executables of the crate
- hash=$(basename $out)
- for file in ${drv}/tests/*; do
- f=$testRoot/$(basename $file)-$hash
- cp $file $f
- ${testCommand}
- done
- '';
+ pkgs.stdenvNoCC.mkDerivation {
+ name = "run-tests-${testCrate.name}";
+
+ inherit (crate) src;
+
+ inherit testCrateFlags;
+
+ buildInputs = testInputs;
+
+ buildPhase = ''
+ set -e
+ export RUST_BACKTRACE=1
+
+ # build outputs
+ testRoot=target/debug
+ mkdir -p $testRoot
+
+ # executables of the crate
+ # we copy to prevent std::env::current_exe() to resolve to a store location
+ for i in ${crate}/bin/*; do
+ cp "$i" "$testRoot"
+ done
+ chmod +w -R .
+
+ # test harness executables are suffixed with a hash, like cargo does
+ # this allows to prevent name collision with the main
+ # executables of the crate
+ hash=$(basename $out)
+ for file in ${drv}/tests/*; do
+ f=$testRoot/$(basename $file)-$hash
+ cp $file $f
+ ${testCommand}
+ done
+ '';
+ };
in
pkgs.runCommand "${crate.name}-linked"
{
--
2.44.0
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