[libcxx-commits] [libcxx] [libc++][CI] Improves updating Docker image. (PR #134497)

[Mark de Wever via libcxx-commits]

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@@ -44,6 +44,10 @@
 ARG BASE_IMAGE
 FROM $BASE_IMAGE AS builder-base
 
+# Changing this file causes a rebuild of the image in a GitHub action.
+# The date uses the ISO format YYYY-MM-DD.
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mordante wrote:

Note I'll merge this after testing apt.llvm.org creates valid packages again.

https://github.com/llvm/llvm-project/pull/134497