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nix commands implicitly load flake.nix

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Cole Mickens 2020-10-24 21:28:56 -07:00
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README.md
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@ -4,6 +4,22 @@ This shows how to build the same config, with and without flakes.
It also shows that `flake.nix` is basically just some syntax.
## flake fundamentals
Nix is in flakes mode when:
1. `nixos-rebuild <cmd> --flake '.#'` is used
2. `nix build '.#something'` the hash-tag syntax is used
**This automatically loads from a `flake.nix` in the specified dir.**
If the flake.nix were located elsewhere you could do this too:
* `nix build '/home/cole/code/nixos-flake-example#something` (loads from `/home/cole/code/nixos-flake-example`)
* `nix build 'github.com:colemickens/nixos-flake-example#something` (loads from `flake.nix` in the root of that repo checkout)
Those are just examples of syntax. Again,
## overview
Note that these produce the same output: