[vim/vim] `:lcd` and `:tcd` affect future new windows and tabpages (Issue #9509)

[Evgeni Chasnovski]

Steps to reproduce

For :lcd:

1. vim --clean
2. :lcd .
3. :botright new
4. :verbose pwd

For :tcd:

1. vim --clean
2. :tcd .
3. :tabnew
4. :verbose pwd

Expected behaviour

In both cases I expected to have [global] current directory to be active instead of [window] and [tabpage]. My reasoning:

• Documentation states that change will be applied to current window and tab respectively. Sources: for lcd, for tcd.
• A more detailed description of their behavior has the following statements:
  • "When jumping to another [window|tab page], the current directory is changed to the last specified local [current directory|for that tab page]".
  • "Windows where the :lcd command has not been used stick to the global or tab-local current directory."
  • "The current directory of other tab pages is not affected."

My understanding is that when creating a new window or tabpage it conforms to all the statements:

• No local current directory was specified.
• Local command (:lcd or :tcd) has not been used.
• It is other instance.

So, as always, this is indeed an intended behavior and documentation should be updated, or is not intended and subject for a fix.

Version of Vim

8.2.4051

Environment

OS: Ubuntu 20.04
Terminal: Kitty 0.23.1
Value of $TERM: xterm-kitty
Shell: zsh 5.8

Logs and stack traces

No response

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[Yegappan Lakshmanan]

Hi,

On Tue, Jan 11, 2022 at 7:21 AM Evgeni Chasnovski <vim-dev...@256bit.org> wrote:

Steps to reproduce

For :lcd:

1. vim --clean
2. :lcd .
3. :botright new
4. :verbose pwd

For :tcd:

1. vim --clean
2. :tcd .
3. :tabnew
4. :verbose pwd

Expected behaviour

In both cases I expected to have [global] current directory to be active instead of [window] and [tabpage]. My reasoning:

When you open a window/tabpage, the new window/tabpage inherits the current directory of the previous 

window/tabpage. So if the previous window was using a window-local directory, then the new window will

also use the same window-local directory.

Regards,

Yegappan

[vim-dev ML]

Hi,

On Tue, Jan 11, 2022 at 7:21 AM Evgeni Chasnovski ***@***.***>
wrote:

> Steps to reproduce
>
> For :lcd:
>

> 1. vim --clean
> 2. :lcd .
> 3. :botright new
> 4. :verbose pwd
>
> For :tcd:
>
> 1. vim --clean
> 2. :tcd .
> 3. :tabnew
> 4. :verbose pwd

>
> Expected behaviour
>
> In both cases I expected to have [global] current directory to be active
> instead of [window] and [tabpage]. My reasoning:
>

When you open a window/tabpage, the new window/tabpage inherits the current
directory of the previous
window/tabpage. So if the previous window was using a window-local
directory, then the new window will
also use the same window-local directory.

Regards,
Yegappan


>

> - Documentation states that change will be applied to *current* window

> and tab respectively. Sources: for lcd

> <https://github.com/vim/vim/blob/0bbca540f7377889e2154aa5731f6eeffcb5c0cc/runtime/doc/editing.txt#L1351-L1354>,
> for tcd
> <https://github.com/vim/vim/blob/0bbca540f7377889e2154aa5731f6eeffcb5c0cc/runtime/doc/editing.txt#L1337-L1341>
> .
> - A more detailed description
> <https://github.com/vim/vim/blob/0bbca540f7377889e2154aa5731f6eeffcb5c0cc/runtime/doc/editing.txt#L1386-L1398>

> of their behavior has the following statements:

> - "When jumping to another [window|tab page], the current directory

> is changed to the last specified local [current directory|for that tab
> page]".

> - "Windows where the :lcd command has not been used stick to the

> global or tab-local current directory."

> - "The current directory of other tab pages is not affected."
>
> My understanding is that when creating a *new* window or tabpage it

> conforms to all the statements:
>

> - No local current directory was specified.
> - Local command (:lcd or :tcd) has not been used.
> - It is *other* instance.

>
> So, as always, this is indeed an intended behavior and documentation
> should be updated, or is not intended and subject for a fix.
> Version of Vim
>
> 8.2.4051
> Environment
>
> OS: Ubuntu 20.04
> Terminal: Kitty 0.23.1
> Value of $TERM: xterm-kitty
> Shell: zsh 5.8
> Logs and stack traces
>

> *No response*
>
>
>

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[Bram Moolenaar]

The help for :new mentions:
"This behaves like a ":split" first, and then an ":enew" command."
Isn't that enough explanation?

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[Bram Moolenaar]

Closed #9509.

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[Evgeni Chasnovski]

Thank you both for your answers.

When you open a window/tabpage, the new window/tabpage inherits the current directory of the previous window/tabpage.

I understand that this is what is happening, but can't find information whether it is intentional.

The help for :new mentions: "This behaves like a ":split" first, and then an ":enew" command." Isn't that enough explanation?

Well, for me this is both not the best place and not clear enough. Something more explicit somewhere around documentation of :lcd and :tcd would be better.
I have only now found the 22.2 The current directory section where it is clearly stated that it is an intended behavior, but it was not that easy to find.

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