From 7a1054fa5f223126833718fc3f332579dba5f0f7 Mon Sep 17 00:00:00 2001
From: Lunaphied <lunaphied@lunaphied.me>
Date: Sun, 17 Mar 2024 18:01:05 -0600
Subject: repl: improve `:doc` builtin repl command to support lambdas.

For a long time `nix repl` has supported displaying documentation set on
builtins, however, it has long been convention to use Markdown comments
on Nix functions themselves for documentation. This exposes that
information to `nix repl` users in a nice and formatted way.

NixOS/rfcs#145 doc-comments are primarily what this feature is intended
to consume, however, support for lambda documentation in the repl is
experimental. We do our best effort to support the RFC here.

These changes are based on [the nix-doc library](https://github.com/lf-/nix-doc) and
are licensed under the terms described in the relevant source files.

Change-Id: Ic6fe947d39a22540705d890737e336c4720b0a22
---
 flake.nix | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'flake.nix')

diff --git a/flake.nix b/flake.nix
index 0f64050f4..9cfff8963 100644
--- a/flake.nix
+++ b/flake.nix
@@ -198,11 +198,14 @@
             '';
           };
 
+          nix-doc = final.callPackage ./nix-doc/package.nix {};
+
           nix = final.callPackage ./package.nix {
             inherit versionSuffix fileset;
             stdenv = currentStdenv;
             boehmgc = final.boehmgc-nix;
             busybox-sandbox-shell = final.busybox-sandbox-shell or final.default-busybox-sandbox-shell;
+            nix-doc = final.nix-doc;
           };
         };
 
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