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Discover how to seamlessly transfer your Neovim configuration over SSH using the `VIMINIT` environment variable for efficient development.
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This video is based on the question https://stackoverflow.com/q/63816892/ asked by the user 'tamis' ( https://stackoverflow.com/u/12235363/ ) and on the answer https://stackoverflow.com/a/63828846/ provided by the user 'tamis' ( https://stackoverflow.com/u/12235363/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Automatically Load Your Neovim Configuration Over SSH with VIMINIT

If you're a developer who frequently works in remote environments, being able to carry over your Neovim configuration can significantly enhance your productivity. However, you might encounter a challenge when trying to automatically load this configuration over SSH. In this guide, we’ll explore a method to achieve this using the VIMINIT environment variable, discussing both the setup and common pitfalls.

The Challenge: Copying Neovim Configurations

You might have faced a situation where your Neovim config is not being loaded correctly once you SSH into another machine. The objective is to set up your SSH configuration to automatically transfer your local Neovim settings so that they work seamlessly in your remote environment.

Here’s the configuration you initially have:

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You are also using this command in your fish.config to set the LC_VIMINIT variable:

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While this seems to work, loading your Neovim configuration isn't functioning as expected.

Understanding the Solution

To resolve this issue, we need to enhance how the LC_VIMINIT variable is set up before being sent over SSH. Here’s how to do it effectively.

Step 1: Modify Your .ssh/config

Begin by ensuring that your SSH configuration is set up to transfer the LC_VIMINIT variable. The initial configuration works but needs a little tweak:

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Step 2: Update Your Fish Shell Configuration

Next, you will want to refine how you set the LC_VIMINIT variable in your fish.config. Updates can be made to ensure your entire Neovim configuration is transferred correctly, without losing important formatting or structure:

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What This Command Does

Strip Comments: Using grep, we remove comments which might interfere with configuration loading.

Wrap Autocommands: Each line starting with autocmd is wrapped in execute "<line>", which is necessary for proper execution within Neovim.

Collect into a String: Finally, all lines are collected into a single string, maintained with proper line breaks.

Step 3: Connect via SSH and Verify

After updating your configuration, SSH into your remote machine and verify that the VIMINIT variable is set correctly:

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If done correctly, your configuration should print in the terminal. Launch Neovim and see if the setup loads optimally.

Conclusion

Transferring your Neovim configuration over SSH can seem tricky, but with the right approach using the VIMINIT environment variable, it becomes manageable. Remember to ensure that comments are stripped from your config and that autocommands are wrapped correctly, helping avoid misconfigurations.

By implementing these steps, you should successfully replicate your Neovim environment across different hosts effortlessly. Happy coding!