README.md: select nixpkgs channel

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MaCXyLo oLyXCaM 2019-12-02 11:27:25 +01:00
parent 418b2f2da6
commit f14be9ee75

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@ -54,6 +54,15 @@ sd-aarch64 | Like sd-aarch64-installer, but does not use default installer image
Run `nixos-generate --help` for detailed usage information.
## select a specific nixpkgs channel
adds ability to select a specific channel version.
example:
```
nix-shell --command './nixos-generate -f iso -I nixpkgs=channel:nixos-19.09'
```
## Using a particular nixpkgs
To use features found in a different nixpkgs (for instance the Digital Ocean