Ability to auto-change directory based on project root

[leelavg]

Hi,

• I skimmed through some of the existing discussions and issues, however couldn't find the feature/config being asked and so raising a new Q&A
• Can below be possible using helix-editor (I'm using some of Vim's terminology & I believe it's same here as well)?

1. Assume I'm at any dir in a project, let's say proj-a and currently at ~/proj-a/dir1/file2, ~/proj-a contains .git folder
2. Can I auto-set (or by any keymap) the current working directory as ~/proj-a
3. Now I open a file in another window from another project proj-b and currently at ~/proj-b/dir3/file4 and now in that buffer can the cwd be set as ~/proj-b?

• This is the main (or only) functionality that I'm missing from Vim for daily use, any help would be appreciated. Thanks.
• Below is how it's currently used in Neovim
  https://github.com/leelavg/dotfiles/blob/ec6934215fb822e1d914ffa7eef9cfccd790e8f8/config/init.vim#L75-L102
  https://github.com/leelavg/dotfiles/blob/ec6934215fb822e1d914ffa7eef9cfccd790e8f8/config/init.vim#L269

[Syntonica]

I second this: either automatic, or a command to do so.

[WuerfelDev]

Here's a workaround to run a command from the project root. But I don't think we can use that to change the pwd inside of helix automatically.
First we need to set up a git alias 'exec' (which can execute any command at its project root): git config --global alias.exec '!exec '
Exemplary usage is like this: git exec make to run the make command

Now in the local /.helix/config.toml we can create keybinds with it:

[keys.normal."+"]
b = ":run-shell-command git exec make"
c = ":run-shell-command git exec make clean"