Nix 2.30.0
Nix, the purely functional package manager; unstable internal interfaces
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R""(
Apply the build environment of GNU hello to the current shell:
Get the build environment in JSON format:
The output will look like this:
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.
)""