From bb621257d20430ccdbba5cf69aec56ea9d46ff30 Mon Sep 17 00:00:00 2001
From: Audrey Dutcher <audrey@rhelmot.io>
Date: Sun, 1 Mar 2026 17:15:51 -0700
Subject: [PATCH] freebsd.bsdfan: init

---
 pkgs/os-specific/bsd/freebsd/pkgs/bsdfan.nix | 39 ++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 pkgs/os-specific/bsd/freebsd/pkgs/bsdfan.nix

diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/bsdfan.nix b/pkgs/os-specific/bsd/freebsd/pkgs/bsdfan.nix
new file mode 100644
index 000000000000..985638f0f40e
--- /dev/null
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/bsdfan.nix
@@ -0,0 +1,39 @@
+{
+  lib,
+  fetchFromGitHub,
+  fetchpatch,
+  mkDerivation,
+}:
+mkDerivation {
+  path = "...";
+  pname = "bsdfan";
+  version = "devel-2018";
+  src = fetchFromGitHub {
+    owner = "claudiozz";
+    repo = "bsdfan";
+    rev = "d8428a773ec4e0dd465b145fa701097e2f93d7cc";
+    hash = "sha256-y4CYDJLXVn5+eZ+5akEYQvzv+Shv7He4fYOyaQAbNyQ=";
+  };
+  outputs = [
+    "out"
+    "debug"
+  ];
+  patches = [
+    (fetchpatch {
+      url = "https://raw.githubusercontent.com/freebsd/freebsd-ports/ca7665183b5ede6266650081b4fadfb5afa6561c/sysutils/bsdfan/files/patch-system.c";
+      extraPrefix = "";
+      hash = "sha256-VPO1S6KUuPOUhJ0U+MvI1Ksaa9t9aXtzrKgqfWtcHzo=";
+    })
+  ];
+
+  postInstall = ''
+    mkdir -p $out/etc
+    cp bsdfan.conf $out/etc
+  '';
+
+  meta = {
+    description = "A simple FreeBSD fan control utility for thinkpads";
+    platforms = lib.platforms.freebsd;
+    mainProgram = "bsdfan";
+  };
+}