cafkafk/nixpkgs
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nixpkgs/doc/builders/special/mkshell.section.md
pennae 052bb41410 doc: assign ids to many headings 
without stable ids on headings we cannot generate stable links to these
headings. nrd complains about this, but the current docbook workflow
does not.

a few generated ids remain, mostly in examples and footnotes. most of
the examples are generated by nixdoc (which has since gained MD export
functions, and the MD export does generate IDs).
2023-03-27 22:39:11 +02:00

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pkgs.mkShell

pkgs.mkShell is a specialized stdenv.mkDerivation that removes some repetition when using it with nix-shell (or nix develop).

Usage

Here is a common usage example:

{ pkgs ? import <nixpkgs> {} }:
pkgs.mkShell {
  packages = [ pkgs.gnumake ];

  inputsFrom = [ pkgs.hello pkgs.gnutar ];

  shellHook = ''
    export DEBUG=1
  '';
}

Attributes

  • name (default: nix-shell). Set the name of the derivation.
  • packages (default: []). Add executable packages to the nix-shell environment.
  • inputsFrom (default: []). Add build dependencies of the listed derivations to the nix-shell environment.
  • shellHook (default: ""). Bash statements that are executed by nix-shell.

... all the attributes of stdenv.mkDerivation.

Building the shell

This derivation output will contain a text file that contains a reference to all the build inputs. This is useful in CI where we want to make sure that every derivation, and its dependencies, build properly. Or when creating a GC root so that the build dependencies don't get garbage-collected.