Lazily patch all test projects

Author: bjorn3

build_system/prepare.rs

@@ -18,10 +18,6 @@ pub(crate) fn prepare(dirs: &Dirs, rustc: &Path) {
 
  // FIXME do this on the fly?
  prepare_stdlib(dirs, rustc);
-
- super::tests::RAND_REPO.patch(dirs);
- super::tests::REGEX_REPO.patch(dirs);
- super::tests::PORTABLE_SIMD_REPO.patch(dirs);
 }
 
 fn prepare_stdlib(dirs: &Dirs, rustc: &Path) {

build_system/tests.rs

@@ -133,6 +133,8 @@ static LIBCORE_TESTS: CargoProject = CargoProject::new(&LIBCORE_TESTS_SRC, "core
 
 const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
  TestCase::custom("test.rust-random/rand", &|runner| {
+ RAND_REPO.patch(&runner.dirs);
+
  RAND.clean(&runner.dirs);
 
  if runner.is_native {
@@ -168,6 +170,8 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
  }
  }),
  TestCase::custom("test.regex-shootout-regex-dna", &|runner| {
+ REGEX_REPO.patch(&runner.dirs);
+
  REGEX.clean(&runner.dirs);
 
  let mut build_cmd = REGEX.build(&runner.target_compiler, &runner.dirs);
@@ -200,6 +204,8 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
  }
  }),
  TestCase::custom("test.regex", &|runner| {
+ REGEX_REPO.patch(&runner.dirs);
+
  REGEX.clean(&runner.dirs);
 
  if runner.is_native {
@@ -216,6 +222,8 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
  }
  }),
  TestCase::custom("test.portable-simd", &|runner| {
+ PORTABLE_SIMD_REPO.patch(&runner.dirs);
+
  PORTABLE_SIMD.clean(&runner.dirs);
 
  let mut build_cmd = PORTABLE_SIMD.build(&runner.target_compiler, &runner.dirs);