proper pre-push hook implementation

[extrawurst]

closes #2809

[argenkiwi]

I can confirm the issue appears to be gone when building from this branch.

I am not that familiar with Rust development, so let me share the steps I followed to ensure I am not missing anything:

1. Uninstalled gitui
2. Cloned this repo
3. Checked out the pre-push-with-lfs branch
4. Executed cargo build
5. Switched to the folder of the repo that presented the original issue
6. Executed cargo build --manifest-path path/to/gitui/repo/Cargo.toml
7. Successfully performed a push by pressing P

[extrawurst]

I can confirm the issue appears to be gone when building from this branch.

I am not that familiar with Rust development, so let me share the steps I followed to ensure I am not missing anything:

The way you did it works, if you wanna use this custom build in a few more places to test, simply run make install and it will install a custom build gitui in your system that you can invoke just like your prior installed gitui version

[argenkiwi]

I can confirm the issue appears to be gone when building from this branch.
I am not that familiar with Rust development, so let me share the steps I followed to ensure I am not missing anything:

The way you did it works, if you wanna use this custom build in a few more places to test, simply run make install and it will install a custom build gitui in your system that you can invoke just like your prior installed gitui version

Excellent, that will get me through the last work day of the year. Thank you for solving the issue so quickly. Have a great end of the year.