LinusU / LinusU/node-appdmg

`temporaryImagePath` could disappear before disk is unmounted

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Dominant language
JavaScript
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Description

`hdiutil detach` does two things: 1. it will unmount the volume from `/Volumes` and 2. it will detach the disk image. Currently, `appdmg` will retry calling `hdiutil detach` when it fails. However, if it fails due to 2, then `/Volumes/NAME` as specified in `temporaryImagePath` will be gone. Then subsequent retries will fail as well. We are observing this happening on a slow filesystem where the writes are being flushed but the volume was able to be unmounted.

Suggestion: Use `diskutil info /Volumes/NAME` to get the `Device Node` and use the node name for `hdiutil detach`.

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First steps

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  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 locating the hdiutil detach retry logic and how temporaryImagePath is used. Check how diskutil info /Volumes/NAME exposes the Device Node, then verify that retries continue to target the node after the volume is unmounted; done means detach succeeds on the slow-filesystem scenario.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
build-system
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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