[Github] Default to non-root user in linux CI container

[boomanaiden154]

This patch sets the default user in the linux CI container to a non-root user, which enables properly testing a couple of features, particularly in libcxx.

[llvmbot]

@llvm/pr-subscribers-github-workflow

Author: Aiden Grossman (boomanaiden154)

Changes

This patch sets the default user in the linux CI container to a non-root user, which enables properly testing a couple of features, particularly in libcxx.

---

Full diff: https://github.com/llvm/llvm-project/pull/119987.diff

1 Files Affected:

• (modified) .github/workflows/containers/github-action-ci/Dockerfile (+7)

diff --git a/.github/workflows/containers/github-action-ci/Dockerfile b/.github/workflows/containers/github-action-ci/Dockerfile
index da11803cad1042..0e560f6bfc5fff 100644
--- a/.github/workflows/containers/github-action-ci/Dockerfile
+++ b/.github/workflows/containers/github-action-ci/Dockerfile
@@ -60,3 +60,10 @@ RUN apt-get update && \
 
 ENV LLVM_SYSROOT=$LLVM_SYSROOT
 ENV PATH=${LLVM_SYSROOT}/bin:${PATH}
+
+# Create a new user to avoid test failures related to a lack of expected
+# permissions issues in some tests. Set the user id to 1001 as that is the
+# user id that Github Actions uses to perform the checkout action.
+RUN useradd gha -u 1001 -m -s /bin/bash
+USER gha
+

[tstellar]

This is fine with me. The only downside is that we then can't install new packages in the container from a Workflow. We could fix this by giving the user sudo acess, though.