Examples

Apply the build environment of GNU hello to the current shell:
```
# . <(nix print-dev-env nixpkgs#hello)
```

Get the build environment in JSON format:

# nix print-dev-env nixpkgs#hello --json

The output will look like this:

{
  "bashFunctions": {
    "buildPhase": " \n    runHook preBuild;\n...",
    ...
  },
  "variables": {
    "src": {
      "type": "exported",
      "value": "/nix/store/3x7dwzq014bblazs7kq20p9hyzz0qh8g-hello-2.10.tar.gz"
    },
    "postUnpackHooks": {
      "type": "array",
      "value": ["_updateSourceDateEpochFromSourceRoot"]
    },
    ...
  }
}

Description

This command prints a shell script that can be sourced by bash and that sets the variables and shell functions defined by the build process of installable. This allows you to get a similar build environment in your current shell rather than in a subshell (as with nix develop).

With --json, the output is a JSON serialisation of the variables and functions defined by the build process.

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Examples

Description

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