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feat: added support for DEADLINE_ASSETROOT_ALIAS - #324

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yuanmich2:feat/path-limit-junction-fix
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feat: added support for DEADLINE_ASSETROOT_ALIAS#324
yuanmich2 wants to merge 1 commit into
aws-deadline:mainlinefrom
yuanmich2:feat/path-limit-junction-fix

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Fixes: #152

What was the problem/requirement? (What/Why)

Windows Path Limits would break AE renders even if the registry key that allowed long paths was set because AE is not long path aware.

What was the solution? (How)

We mitigate the issue by using junctions to reduce the length of the prefix that deadline adds to all files. Requires a queue environment like this one to work: aws-deadline/deadline-cloud-samples#277
That queue environment sets the DEADLINE_ASSETROOT_ALIAS environment variable and the changes in this PR check for that variable and uses it to pathmap the scene and output directories.

What is the impact of this change?

Users have roughly 80-90 more characters before they hit the limit.

How was this change tested?

I rendered this image:
Comp 1_00000

If you modified source files, did you run the Python script to update the files under the dist folder?

That script doesn't actually work btw. But I promise I tested it correctly.

If you modified the /installer, /install_builder, or /scripts logic, please run the integration tests and paste the results below

I didn't edit those files.

If installer/ was modified or a file was added/removed from dist/, then update the installer tests and post the test results below

I didn't edit that directory

Was this change documented?

This is documented in the queue environment added by this PR: aws-deadline/deadline-cloud-samples#277

Is this a breaking change?

no


By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

@yuanmich2
yuanmich2 requested a review from a team as a code owner August 7, 2026 00:10
Comment thread dist/DeadlineCloudSubmitter_Assets/JobTemplate/scripts/call_aerender.py Outdated
@github-actions github-actions Bot added the waiting-on-maintainers Waiting on the maintainers to review. label Aug 7, 2026
Comment thread dist/DeadlineCloudSubmitter_Assets/JobTemplate/scripts/call_aerender.py Outdated
Comment thread dist/DeadlineCloudSubmitter_Assets/JobTemplate/scripts/call_aerender.py Outdated
Signed-off-by: Michael Yuan <160265179+yuanmich2@users.noreply.github.com>
@yuanmich2
yuanmich2 force-pushed the feat/path-limit-junction-fix branch from 8062137 to f541590 Compare August 14, 2026 07:10
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Bug: Renders Fail if path names are too long

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