diff options
Diffstat (limited to 'src/tools/compiletest')
| -rw-r--r-- | src/tools/compiletest/src/runtest.rs | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index ce6569f5537..59fce44d1c7 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -3735,15 +3735,14 @@ impl<'test> TestCx<'test> { } if self.config.bless { - cmd.env("RUSTC_BLESS_TEST", "--bless"); - // Assume this option is active if the environment variable is "defined", with _any_ value. - // As an example, a `Makefile` can use this option by: + // If we're running in `--bless` mode, set an environment variable to tell + // `run_make_support` to bless snapshot files instead of checking them. // - // ifdef RUSTC_BLESS_TEST - // cp "$(TMPDIR)"/actual_something.ext expected_something.ext - // else - // $(DIFF) expected_something.ext "$(TMPDIR)"/actual_something.ext - // endif + // The value is this test's source directory, because the support code + // will need that path in order to bless the _original_ snapshot files, + // not the copies in `rmake_out`. + // (See <https://github.com/rust-lang/rust/issues/129038>.) + cmd.env("RUSTC_BLESS_TEST", &self.testpaths.file); } if self.config.target.contains("msvc") && !self.config.cc.is_empty() { |