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Support symbolic links inside TreeArtifact to point out of the TreeArtifact #20891

@thesayyn

Description

@thesayyn

Description of the feature request:

Currently, Bazel disallows symlinks that contains .. (relative path) inside of a TreeArtifact exactly at this line

if (intermediatePath.containsUplevelReferences()) {
String errorMessage =
String.format(
"A TreeArtifact may not contain relative symlinks whose target paths traverse "
+ "outside of the TreeArtifact, found %s pointing to %s.",
path, linkTarget);
throw new IOException(errorMessage);

Which category does this issue belong to?

No response

What underlying problem are you trying to solve with this feature?

I am trying to symlink files from other actions into TreeArtifact to improve performance in rules_oci.

Which operating system are you running Bazel on?

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What is the output of bazel info release?

No response

If bazel info release returns development version or (@non-git), tell us how you built Bazel.

No response

What's the output of git remote get-url origin; git rev-parse master; git rev-parse HEAD ?

No response

Have you found anything relevant by searching the web?

No response

Any other information, logs, or outputs that you want to share?

No response

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    P3We're not considering working on this, but happy to review a PR. (No assignee)team-Rules-APIAPI for writing rules/aspects: providers, runfiles, actions, artifactstype: feature request

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