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UV hardlink files

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#1,622 3 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
48/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Quiet
Tech stack
python
Domain
build-system

Research direction

Start with the make install-base entry point and reproduce the UV hardlink warning. Check whether the cache and target directories use different filesystems, then review the effects of UV_LINK_MODE=copy and --link-mode=copy. Done means establishing whether the warning is expected and recording or implementing a clear default decision.

Written by the indexing model from the issue text.

Description

Hi @FallenDeity @phalt

on my machine when installing the dependencies with make install-base I got a warning:

Warning: Failed to hardlink files; falling back to full copy. This may lead to degraded performance.
         If the cache and target directories are on different filesystems, hardlinking may not be supported.
         If this is intentional, set `export UV_LINK_MODE=copy` or use `--link-mode=copy` to suppress this warning.
Installed 22 packages in 6.27s

Is it something ok? It happens on your systems as well? Should we add the --link-mode=copy as a default?

Dominant language
Python
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