uutils / uutils/coreutils

mv dir /tmp fails if dir contains a file (at least on compressed Btrfs)

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#10,620 4 comments 0 reactions 0 assignees View on GitHub

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U - mv
Dominant language
Rust
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Avg merge
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Merged PRs (30d)
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Description

$ mkdir a
$ touch a/b
$ mv a /tmp/b
mv: Operation not supported (os error 95)
$ mv a /tmp
mv: cannot move 'a' to '/tmp/a': Operation not supported

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start at the mv command entry point and reproduce the two failing commands on a compressed Btrfs filesystem. Trace the directory-move operation and compare its behavior when moving to /tmp/b versus /tmp; done means the reported moves no longer fail with Operation not supported.

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
Quiet
Clarity
Mostly clear
Newbie friendliness
45/100

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