Merge pull request #8 from RLovelett/chroot-update-safety

Configure a user.name and user.email before committing
diff --git a/swift-update-safety.md b/swift-update-safety.md
index 76e6a6e..07239f5 100644
--- a/swift-update-safety.md
+++ b/swift-update-safety.md
@@ -13,6 +13,8 @@
 RUN: %{swift} package -C %t.dir/Dep init --type library
 RUN: git -C %t.dir/Dep init
 RUN: git -C %t.dir/Dep add -A
+RUN: git -C %t.dir/Dep config user.name "Test User"
+RUN: git -C %t.dir/Dep config user.email "test@user.com"
 RUN: git -C %t.dir/Dep commit -m "Initial commit."
 RUN: git -C %t.dir/Dep tag 1.0.0
 ```