Lake should not hide all release fetch errors by default
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Description
Context: #general > Lean companion to "Analysis I" - discussion @ 💬. This error message should not have been hidden. The issue was exacerbated by being triggered by the Mathlib update hook, which meant that passing -v had no effect.
More specifically, this could mean showing any errors that are not 404s and/or showing any errors when preferReleaseBuild is set.
In addition, an explanatory message about AV systems could be shown when, like here (presumably), the curl exit code is "35 - SSL connect error".
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.
Research direction
Start by tracing Lake's release-fetch error handling and the Mathlib update hook described in the issue, focusing on how curl failures and verbose output are handled. Done means non-404 failures are visible by default or when preferReleaseBuild is set, with an explanatory AV-systems message for the reported SSL error.
Written by the indexing model from the issue text.
Assessment
- Domain
- build-system, tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100