faq: add instructions on targeting multiple logins
Content adapted from https://github.com/rycee/home-manager/issues/394#issuecomment-422958338
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FAQ.md
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FAQ.md
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@ -64,3 +64,43 @@ adding
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to your `.profile` and `.zshrc` files, respectively. The
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to your `.profile` and `.zshrc` files, respectively. The
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`hm-session-vars.sh` file should work in most Bourne-like shells.
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`hm-session-vars.sh` file should work in most Bourne-like shells.
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How do set up a configuration for multiple users/machines?
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----------------------------------------------------------
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A typical way to prepare a repository of configurations for multiple
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logins and machines is to prepare one "top-level" file for each unique
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combination.
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For example, if you have two machines, called "kronos" and "rhea" on
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which you want to configure your user "jane" then you could create the
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files
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- `kronos-jane.nix`,
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- `rhea-jane.nix`, and
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- `common.nix`
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in your repository. On the kronos and rhea machines you can then make
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`~jane/.config/nixpkgs/home.nix` be a symbolic link to the
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corresponding file in your configuration repository.
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The `kronos-jane.nix` and `rhea-jane.nix` files follow the format
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```nix
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{ ... }:
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{
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imports = [ ./common.nix ];
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# Various options that are specific for this machine/user.
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}
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```
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while the `common.nix` file contains configuration shared across the
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two logins. Of course, instead of just a single `common.nix` file you
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can have multiple ones, even one per program or service.
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You can get some inspiration from the [Post your home-manager home.nix
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file!][1] Reddit thread.
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[1]: https://www.reddit.com/r/NixOS/comments/9bb9h9/post_your_homemanager_homenix_file/
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