Stop setting CARGO_HOME on Cargo
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 35/100
Research direction
Start by tracing where rustup sets CARGO_HOME, then compare the behavior across the Cargo versions and platforms mentioned in the issue. Document where the definitions diverge and evaluate the proposed manual-setting or proxy-detection mitigations; done means the affected combinations and an agreed mitigation are clearly established.
Written by the indexing model from the issue text.
Description
Problem you are trying to solve
Cargo would like to detect when the user has set CARGO_HOME and act on that appropriately for https://github.com/rust-lang/cargo/issues/1734 but rustup always sets it
Solution you'd like
At the All Hands, we talked about rustup not setting this anymore. It is set to ensure rustup and cargo are in-sync, particularly when they had different definitions of CARGO_HOME. The first step will be to qualify the versions and platforms for which CARGO_HOME diverged between the two programs so we can evaluate how bad the problem is and what we can do to mitigate it.
Possible mitigations include:
- Have the users manually set
CARGO_HOMEwhen running an old version of Cargo - Have the proxy determine whether it needs to set
CARGO_HOME, at the risk of impacting performance
Notes
No response
- Dominant language
- Rust
- Stars
- 7k
- Forks
- 1.1k
- Avg merge
- 1d 1h
- Merged PRs (30d)
- 46
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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