I have setup my plesk website to automatically pull changes from a remote repository to a certain path of the webserver via post-hooks as described [here](https://docs.plesk.com/en-US/onyx/customer-guide/git-support/using-remote-git-hosting.75848/#o76297).

However my repository contains a git submodule and I need to run the custom command `git submodule update --remote` as well. How can I tell plesk to do that. The commands I can enter in the

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> Enable Additional Deployment Actions
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Setting seem not to be executed in the correct path. Also when I go to the path the repository syncs to on my server i get: 

`fatal: Not a git repository (or any of the parent directories): .git`

How can I achive to tell plesk to update submodules too with the git plugin?