[llvm] [Github] Add sccache to CI container (PR #122063)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-github-workflow

Author: Aiden Grossman (boomanaiden154)

<details>
<summary>Changes</summary>

This patch adds sccache to the CI container so that the llvm-project-tests workflow does not fail due to missing sccache.

---
Full diff: https://github.com/llvm/llvm-project/pull/122063.diff


1 Files Affected:

- (modified) .github/workflows/containers/github-action-ci/Dockerfile (+5) 


``````````diff
diff --git a/.github/workflows/containers/github-action-ci/Dockerfile b/.github/workflows/containers/github-action-ci/Dockerfile
index 58355d261c43c9..4ddab6a30d022a 100644
--- a/.github/workflows/containers/github-action-ci/Dockerfile
+++ b/.github/workflows/containers/github-action-ci/Dockerfile
@@ -66,6 +66,11 @@ RUN apt-get update && \
     file \
     tzdata
 
+# Install sccache as it is needed by most of the project test workflows and
+# cannot be installed by the ccache action when executing as a non-root user.
+RUN curl -L 'https://github.com/mozilla/sccache/releases/download/v0.7.6/sccache-v0.7.6-x86_64-unknown-linux-musl.tar.gz' | tar xzf - -O --wildcards '*/sccache' > '/usr/local/bin/sccache' && \
+    chmod +x /usr/local/bin/sccache
+
 ENV LLVM_SYSROOT=$LLVM_SYSROOT
 ENV PATH=${LLVM_SYSROOT}/bin:${PATH}
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/122063