tvl-depot/users/wpcarro/website/blog/posts/nix-env-note.md
William Carroll cb5a7e32af feat(wpcarro/blog): nix-env (note to self)
Thank you, tpw_rules from #nixos IRC :)

Change-Id: Iebf07add10d96b38f318afaa175cfc0e35991df9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7145
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
2022-11-01 23:04:49 +00:00

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Markdown

## Background
Much in the same vain as my [nix-shell (note to self)][nix-shell-note], I'm
going to leave a note to my future self on how to install packages using
`nix-env`, which is something I do once in a blue moon.
## Solution
```shell
λ nix-env -iA tvix.eval -f /depot
```
Looks like I was forgetting the `-f /depot` option all this time:
> --file / -f path
> Specifies the Nix expression (designated below as the active Nix
> expression) used by the --install, --upgrade, and --query --available
> operations to obtain derivations. The default is ~/.nix-defexpr.
> - `man nix-env`
## Failed Attempts (don't try these at home)
This section is brought to you by my shell's `Ctrl-r`!
```shell
λ nix-env -I depot=/depot -iA depot.tvix.eval
λ NIX_PATH=depot=/depot nix-env -iA depot.tvix.eval
λ nix-env -iE '(import /depot {}).tvix.eval'
```
Thanks for reading!
[nix-shell-note]: https://billandhiscomputer.com/blog/posts/nix-shell.html