altstoreio / altstoreio/AltStore

Error: The filename or extension is too long.

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Swift
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Description

AltStore on Windows can't handle installing apps that have long file paths in them.

Same thing happens when trying to sideload directly with AltServer.

When installing the same app using signing services or a private certificate it installs without any issues.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the Windows installation failure with an app whose file paths exceed the supported length, using both AltStore and AltServer. Then trace the installation flow to identify where the filename or extension error is surfaced. Done means affected apps with long paths install successfully through both routes without regressing normal installations.

Written by the indexing model from the issue text.

Assessment

Tech stack
swift
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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