From e2238fa4393075418e41110b4299b0d2bafb9c8c Mon Sep 17 00:00:00 2001
From: Thomas Grainger <tagrain@gmail.com>
Date: Sat, 31 Jan 2026 12:53:25 +0000
Subject: [PATCH 1/4] try outcome v2

---
 ci.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ci.sh b/ci.sh
index 9362dbc72..4dfb2b086 100755
--- a/ci.sh
+++ b/ci.sh
@@ -55,6 +55,7 @@ if [ "${NO_TEST_REQUIREMENTS-0}" == 1 ]; then
     flags="--skip-optional-imports"
 else
     python -m uv pip install -r test-requirements.txt --no-deps
+    python -m uv pip install https://github.com/graingert/outcome/archive/refs/heads/invalid-objects-on-unwrap.zip
     flags=""
 fi
 

From 498be9a6e763c8f4ac4ab78a6bd6ea2962abcd49 Mon Sep 17 00:00:00 2001
From: Thomas Grainger <tagrain@gmail.com>
Date: Sat, 31 Jan 2026 12:56:09 +0000
Subject: [PATCH 2/4] check we are running on outcome v2

---
 src/trio/_tests/test_trio.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/trio/_tests/test_trio.py b/src/trio/_tests/test_trio.py
index 65d4ce34f..c038a2088 100644
--- a/src/trio/_tests/test_trio.py
+++ b/src/trio/_tests/test_trio.py
@@ -6,3 +6,15 @@ def test_trio_import() -> None:
             del sys.modules[module]
 
     import trio  # noqa: F401
+
+
+def test_we_have_peek() -> None:
+    """
+    temporary test to see if we are running on outcome v2
+    """
+    import outcome
+
+    def fn() -> int:
+        return 1
+
+    assert outcome.capture(fn).peek() == 1

From ca97a91a83fdc1f22f84809a205918b99f17d3b8 Mon Sep 17 00:00:00 2001
From: Thomas Grainger <tagrain@gmail.com>
Date: Sat, 31 Jan 2026 12:59:51 +0000
Subject: [PATCH 3/4] always install outcome v2

---
 ci.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ci.sh b/ci.sh
index 4dfb2b086..cd1ce42e8 100755
--- a/ci.sh
+++ b/ci.sh
@@ -55,10 +55,11 @@ if [ "${NO_TEST_REQUIREMENTS-0}" == 1 ]; then
     flags="--skip-optional-imports"
 else
     python -m uv pip install -r test-requirements.txt --no-deps
-    python -m uv pip install https://github.com/graingert/outcome/archive/refs/heads/invalid-objects-on-unwrap.zip
     flags=""
 fi
 
+python -m uv pip install https://github.com/graingert/outcome/archive/refs/heads/invalid-objects-on-unwrap.zip
+
 # If we're testing with a LSP installed, then it might break network
 # stuff, so wait until after we've finished setting everything else
 # up.

From 59d6b5ffcf94e9199836f019f1a89962e39177d6 Mon Sep 17 00:00:00 2001
From: Thomas Grainger <tagrain@gmail.com>
Date: Sat, 31 Jan 2026 13:09:49 +0000
Subject: [PATCH 4/4] install outcome v2 in tox's check stage

---
 tox.ini | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tox.ini b/tox.ini
index 11bd09d0c..825e52f06 100644
--- a/tox.ini
+++ b/tox.ini
@@ -102,6 +102,7 @@ description = "Run type checks: mypy on all platforms, and pyright on `src/trio[
 deps =
     -r test-requirements.txt
     exceptiongroup
+    https://github.com/graingert/outcome/archive/refs/heads/invalid-objects-on-unwrap.zip
 base_python = 3.10
 set_env =
     PYRIGHT_PYTHON_IGNORE_WARNINGS=1