From ad278943ada85b8c283423e7ef21a7e28a6a1ac6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomasz=20Mi=C4=85sko?= <tomasz.miasko@gmail.com>
Date: Fri, 30 Oct 2020 00:00:00 +0000
Subject: [PATCH 1/2] Move compiletest meta tests to a separate directory

---
 .../expected-error-correct-rev.a.stderr}                        | 2 +-
 .../expected-error-correct-rev.rs}                              | 2 +-
 src/test/ui/{meta-revision-bad.rs => meta/revision-bad.rs}      | 0
 src/test/ui/{meta-revision-ok.rs => meta/revision-ok.rs}        | 2 +-
 4 files changed, 3 insertions(+), 3 deletions(-)
 rename src/test/ui/{meta-expected-error-correct-rev.a.stderr => meta/expected-error-correct-rev.a.stderr} (89%)
 rename src/test/ui/{meta-expected-error-correct-rev.rs => meta/expected-error-correct-rev.rs} (68%)
 rename src/test/ui/{meta-revision-bad.rs => meta/revision-bad.rs} (100%)
 rename src/test/ui/{meta-revision-ok.rs => meta/revision-ok.rs} (83%)

diff --git a/src/test/ui/meta-expected-error-correct-rev.a.stderr b/src/test/ui/meta/expected-error-correct-rev.a.stderr
similarity index 89%
rename from src/test/ui/meta-expected-error-correct-rev.a.stderr
rename to src/test/ui/meta/expected-error-correct-rev.a.stderr
index 5e6980a9dd1f7..df4dbdbc8e62d 100644
--- a/src/test/ui/meta-expected-error-correct-rev.a.stderr
+++ b/src/test/ui/meta/expected-error-correct-rev.a.stderr
@@ -1,5 +1,5 @@
 error[E0308]: mismatched types
-  --> $DIR/meta-expected-error-correct-rev.rs:7:18
+  --> $DIR/expected-error-correct-rev.rs:7:18
    |
 LL |     let x: u32 = 22_usize;
    |            ---   ^^^^^^^^ expected `u32`, found `usize`
diff --git a/src/test/ui/meta-expected-error-correct-rev.rs b/src/test/ui/meta/expected-error-correct-rev.rs
similarity index 68%
rename from src/test/ui/meta-expected-error-correct-rev.rs
rename to src/test/ui/meta/expected-error-correct-rev.rs
index b06a64b15c87c..26798c3dfc29f 100644
--- a/src/test/ui/meta-expected-error-correct-rev.rs
+++ b/src/test/ui/meta/expected-error-correct-rev.rs
@@ -1,6 +1,6 @@
 // revisions: a
 
-// Counterpart to `meta-expected-error-wrong-rev.rs`
+// Counterpart to `expected-error-wrong-rev.rs`
 
 #[cfg(a)]
 fn foo() {
diff --git a/src/test/ui/meta-revision-bad.rs b/src/test/ui/meta/revision-bad.rs
similarity index 100%
rename from src/test/ui/meta-revision-bad.rs
rename to src/test/ui/meta/revision-bad.rs
diff --git a/src/test/ui/meta-revision-ok.rs b/src/test/ui/meta/revision-ok.rs
similarity index 83%
rename from src/test/ui/meta-revision-ok.rs
rename to src/test/ui/meta/revision-ok.rs
index 7df9a6ea48fae..bbeae41b8bb95 100644
--- a/src/test/ui/meta-revision-ok.rs
+++ b/src/test/ui/meta/revision-ok.rs
@@ -1,5 +1,5 @@
 // Meta test for compiletest: check that when we give the right error
-// patterns, the test passes. See all `meta-revision-bad.rs`.
+// patterns, the test passes. See all `revision-bad.rs`.
 
 // run-fail
 // revisions: foo bar

From affb47fa5750bae1adfbbcf8032bb252369620cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomasz=20Mi=C4=85sko?= <tomasz.miasko@gmail.com>
Date: Fri, 30 Oct 2020 00:00:00 +0000
Subject: [PATCH 2/2] Add a test for compiletest rustc-env & unset-rustc-env
 directives

---
 src/test/ui/meta/auxiliary/env.rs |  9 +++++++++
 src/test/ui/meta/rustc-env.rs     | 18 ++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 src/test/ui/meta/auxiliary/env.rs
 create mode 100644 src/test/ui/meta/rustc-env.rs

diff --git a/src/test/ui/meta/auxiliary/env.rs b/src/test/ui/meta/auxiliary/env.rs
new file mode 100644
index 0000000000000..b3644d8d5943f
--- /dev/null
+++ b/src/test/ui/meta/auxiliary/env.rs
@@ -0,0 +1,9 @@
+// Check that aux builds can also use rustc-env, but environment is configured
+// separately from the main test case.
+//
+// rustc-env:COMPILETEST_BAR=bar
+
+pub fn test() {
+    assert_eq!(option_env!("COMPILETEST_FOO"), None);
+    assert_eq!(env!("COMPILETEST_BAR"), "bar");
+}
diff --git a/src/test/ui/meta/rustc-env.rs b/src/test/ui/meta/rustc-env.rs
new file mode 100644
index 0000000000000..7d4e005be10cf
--- /dev/null
+++ b/src/test/ui/meta/rustc-env.rs
@@ -0,0 +1,18 @@
+// Compiletest meta test checking that rustc-env and unset-rustc-env directives
+// can be used to configure environment for rustc.
+//
+// run-pass
+// aux-build:env.rs
+// rustc-env:COMPILETEST_FOO=foo
+//
+// An environment variable that is likely to be set, but should be safe to unset.
+// unset-rustc-env:PWD
+
+extern crate env;
+
+fn main() {
+    assert_eq!(env!("COMPILETEST_FOO"), "foo");
+    assert_eq!(option_env!("COMPILETEST_BAR"), None);
+    assert_eq!(option_env!("PWD"), None);
+    env::test();
+}