From c965f2d8fadc1d83b731c73fafd8c6d01c7d81dd Mon Sep 17 00:00:00 2001
From: Worthing ~ <115107835+w-goog@users.noreply.github.com>
Date: Fri, 21 Aug 2026 19:26:58 +0200
Subject: [PATCH 1/2] g-orchestrated: add non-blocking Xcode 27 preview CI jobs

---
 .github/workflows/builds.yml | 25 +++++++++++++++++++++++++
 .github/workflows/tests.yml  | 14 ++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/.github/workflows/builds.yml b/.github/workflows/builds.yml
index 9873716..daa0422 100644
--- a/.github/workflows/builds.yml
+++ b/.github/workflows/builds.yml
@@ -42,3 +42,28 @@ jobs:
           archive \
           -scheme GTMAppAuth \
           -destination "generic/platform=tvOS"
+
+  xcode-27-preview-archive:
+    # Archive every supported platform against the Xcode 27 preview image. The
+    # image is preview, so this job does not block merges.
+    # https://github.com/actions/runner-images/issues/14404
+    runs-on: xcode-27
+    continue-on-error: true
+    strategy:
+      fail-fast: false
+      matrix:
+        destination: [
+          'generic/platform=iOS',
+          'platform=OS X',
+          'generic/platform=watchOS',
+          'generic/platform=tvOS'
+        ]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Archive
+      run: |
+        xcodebuild \
+          archive \
+          -scheme GTMAppAuth \
+          -destination "${{ matrix.destination }}"
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 00aab72..6fac425 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -33,3 +33,17 @@ jobs:
       run: swift build
     - name: Run Swift tests
       run: swift test
+
+  xcode-27-preview-test:
+    # Xcode 27 is currently only available on the preview `xcode-27` image, on
+    # which Xcode 27 beta is the only (thus, default) Xcode. The image is
+    # preview, so this job does not block merges.
+    # https://github.com/actions/runner-images/issues/14404
+    runs-on: xcode-27
+    continue-on-error: true
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build package
+      run: swift build
+    - name: Run Swift tests
+      run: swift test

From 984604101411619834ac43fd785e34e57af6bb95 Mon Sep 17 00:00:00 2001
From: Worthing ~ <115107835+w-goog@users.noreply.github.com>
Date: Wed, 26 Aug 2026 09:45:29 -0700
Subject: [PATCH 2/2] g-orchestrated: pin actions/checkout in Xcode 27 CI jobs

---
 .github/workflows/builds.yml | 2 +-
 .github/workflows/tests.yml  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/builds.yml b/.github/workflows/builds.yml
index daa0422..5f119e6 100644
--- a/.github/workflows/builds.yml
+++ b/.github/workflows/builds.yml
@@ -60,7 +60,7 @@ jobs:
         ]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
     - name: Archive
       run: |
         xcodebuild \
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6fac425..6874532 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -42,7 +42,7 @@ jobs:
     runs-on: xcode-27
     continue-on-error: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
     - name: Build package
       run: swift build
     - name: Run Swift tests