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mv: moving directory itself should fail #5429

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merged 4 commits into from
Oct 24, 2023

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dmatos2012
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Fixes #5426, where moving a directory into itself would remove the source directory and not fail

Previously:
mkdir mydir/mydir_2

uutils mv mydir mydir/mydir_2
# 

And it would make mydir disappear.

Now:
mkdir mydir/mydir_2

uutils mv mydir mydir/mydir_2
mv: cannot move 'mydir' to a subdirectory of itself, 'mydir/mydir_2/mydir'

which matches the GNU behavior

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While this solution works fine for mv mydir mydir/mydir2, it doesn't fix the issue for mv mydir/ mydir/mydir2 (note the / after the first mydir) and the mydir folder still disappears.

@dmatos2012
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hi @cakebaker thanks for the observation, you are right. I have added a test to check for that case as well now! Hopefully should be ok now

@cakebaker cakebaker merged commit 769eb29 into uutils:main Oct 24, 2023
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Thanks for your PR :)

@dmatos2012 dmatos2012 deleted the mv_dir_to_itself branch October 24, 2023 20:12
fdncred pushed a commit to nushell/nushell that referenced this pull request Jan 18, 2024
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# Description
Hi,
This closes #10446 , wherein we start implementing `mv` from `uutils`.
There are some stuff to iron out, particularly
* Decide on behavior from ignored tests 
* Wait for release/PRs to be approved on `uutils` side, but still can be
tested for now. See [PR
approved](uutils/coreutils#5428), and
[pending](uutils/coreutils#5429).
* `--progress` does not seem to work on `uutils mv` either and have not
checked whether certain `X` size has to be achieved in order for it to
appear, thus something to investigate as well, but thought it wasnt
important enough to not make the PR.

See [issue
comment](#10446 (comment)),
on the possible strategy to follow, mainly copy what we did with `ucp`.

I still left some comments on purpose particularly on tests, which of
course would be removed before something is decided here. :) @fdncred
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Description of your pull request goes here. **Provide examples and/or
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# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- [X] `cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
- [X] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used`
to check that you're using the standard code style
- [X] `cargo test --workspace` to check that all tests pass (on Windows
make sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- [X] `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library

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dmatos2012 added a commit to dmatos2012/nushell that referenced this pull request Feb 20, 2024
<!--
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e.g.
- this PR should close #xxxx
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you can also mention related issues, PRs or discussions!
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# Description
Hi,
This closes nushell#10446 , wherein we start implementing `mv` from `uutils`.
There are some stuff to iron out, particularly
* Decide on behavior from ignored tests 
* Wait for release/PRs to be approved on `uutils` side, but still can be
tested for now. See [PR
approved](uutils/coreutils#5428), and
[pending](uutils/coreutils#5429).
* `--progress` does not seem to work on `uutils mv` either and have not
checked whether certain `X` size has to be achieved in order for it to
appear, thus something to investigate as well, but thought it wasnt
important enough to not make the PR.

See [issue
comment](nushell#10446 (comment)),
on the possible strategy to follow, mainly copy what we did with `ucp`.

I still left some comments on purpose particularly on tests, which of
course would be removed before something is decided here. :) @fdncred
<!--
Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.

Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.
-->

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- [X] `cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
- [X] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used`
to check that you're using the standard code style
- [X] `cargo test --workspace` to check that all tests pass (on Windows
make sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- [X] `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library

<!--
> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
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uu_mv: Move directory onto itself should error out
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