From 23a9f9127c3975fd3c25869c55a6014ee2aefaeb Mon Sep 17 00:00:00 2001
From: Shamrock Lee <44064051+ShamrockLee@users.noreply.github.com>
Date: Sat, 12 Feb 2022 18:50:51 +0000
Subject: [PATCH] home-manager: add more pass-through options

Specifically, pass through --[extra-]experimental-features to Nix.
---
 docs/nix-flakes.adoc      | 7 +++++--
 home-manager/home-manager | 8 ++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/docs/nix-flakes.adoc b/docs/nix-flakes.adoc
index 609eac18e..c3bfabe0d 100644
--- a/docs/nix-flakes.adoc
+++ b/docs/nix-flakes.adoc
@@ -18,10 +18,13 @@ Either set in `nix.conf`
 [source,bash]
 experimental-features = nix-command flakes
 +
-or pass them to `nix` by
+or pass them to `nix` and `home-manager` by
 +
 [source,console]
-nix --experimental-features "nix-command flakes" your command
+----
+$ nix --extra-experimental-features "nix-command flakes" <sub-commands>
+$ home-manager --extra-experimental-features "nix-command flakes" <sub-commands>
+----
 
 * Prepare your Home Manager configuration (`home.nix`).
 +
diff --git a/home-manager/home-manager b/home-manager/home-manager
index 8bc58f85c..43c924420 100644
--- a/home-manager/home-manager
+++ b/home-manager/home-manager
@@ -608,6 +608,14 @@ while [[ $# -gt 0 ]]; do
             PASSTHROUGH_OPTS+=("$opt" "$1" "$2")
             shift 2
             ;;
+        --experimental-features)
+            PASSTHROUGH_OPTS+=("$opt" "$1")
+            shift
+            ;;
+        --extra-experimental-features)
+            PASSTHROUGH_OPTS+=("$opt" "$1")
+            shift
+            ;;
         --no-out-link)
             NO_OUT_LINK=1
             ;;