Merge pull request #10711 from fricklerhandwerk/nix-store-export-example

make a more relevant example for `nix-store --export`
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tomberek 2024-05-19 13:29:54 -04:00 committed by GitHub
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@ -29,15 +29,21 @@ Nix store, the import will fail.
# Examples # Examples
To copy a whole closure, do something > **Example**
like: >
> Deploy GNU Hello to an airgapped machine via USB stick.
```console >
$ nix-store --export $(nix-store --query --requisites paths) > out > Write the closure to the block device on a machine with internet connection:
``` >
> ```shell-session
To import the whole closure again, run: > [alice@itchy]$ storePath=$(nix-build '<nixpkgs>' -I nixpkgs=channel:nixpkgs-unstable -A hello --no-out-link)
> [alice@itchy]$ nix-store --export $(nix-store --query --requisites $storePath) | sudo dd of=/dev/usb
```console > ```
$ nix-store --import < out >
``` > Read the closure from the block device on the machine without internet connection:
>
> ```shell-session
> [bob@scratchy]$ hello=$(sudo dd if=/dev/usb | nix-store --import | tail -1)
> [bob@scratchy]$ $hello/bin/hello
> Hello, world!
> ```