mv: Cannot move huge sparse file to another small filesystem
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U - mv
- Dominant language
- Rust
- Stars
- 24.1k
- Forks
- 2k
- Avg merge
- 1d 5h
- Merged PRs (30d)
- 365
Description
$ truncate -s 1T huge
$ mv huge /tmp/huge
mv: Permission denied
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 reproducing the shown truncate and mv commands, then locate the mv command entry point and its filesystem-copy or rename handling. Trace why moving the sparse file to /tmp produces Permission denied; done means the behavior or error handling matches the expected result for a destination filesystem without enough space.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- cli, operating-systems
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100