From 88f46ba9523b26bcdaf1845135c50f7101160154 Mon Sep 17 00:00:00 2001
From: Gabriel Fontes <hi@m7.rs>
Date: Tue, 5 May 2026 10:28:16 -0300
Subject: [PATCH] fix: use mandoc to work man-db/groff performance regression

Related to nixpkgs #513348
---
 flake.lock                            | 6 +++---
 home/gabriel/features/cli/default.nix | 1 +
 home/gabriel/features/cli/mandoc.nix  | 7 +++++++
 hosts/common/global/default.nix       | 1 +
 hosts/common/global/mandoc.nix        | 7 +++++++
 5 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 home/gabriel/features/cli/mandoc.nix
 create mode 100644 hosts/common/global/mandoc.nix

diff --git a/flake.lock b/flake.lock
index 860d865f..4c66acab 100644
--- a/flake.lock
+++ b/flake.lock
@@ -283,11 +283,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1777518431,
-        "narHash": "sha256-SwgiG2T5pbyo33Vz7/vUCAhEMgwCK8Pa2nDSx5a6/WE=",
+        "lastModified": 1777985523,
+        "narHash": "sha256-EpCQ/5AnnQABMeZpxXKt/Z+tUAI7k8c1DNR8/tWW8Do=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "2e54a938cdd4c8e414b2518edc3d82308027c670",
+        "rev": "5a15505146ffd149dd88126562209028220c93e3",
         "type": "github"
       },
       "original": {
diff --git a/home/gabriel/features/cli/default.nix b/home/gabriel/features/cli/default.nix
index d47481ea..9880c043 100644
--- a/home/gabriel/features/cli/default.nix
+++ b/home/gabriel/features/cli/default.nix
@@ -17,6 +17,7 @@
     ./xpo.nix
     ./fzf.nix
     ./jira.nix
+    ./mandoc.nix
   ];
   home.packages = with pkgs; [
     comma # Install and run programs by sticking a , before them
diff --git a/home/gabriel/features/cli/mandoc.nix b/home/gabriel/features/cli/mandoc.nix
new file mode 100644
index 00000000..0adcf4c1
--- /dev/null
+++ b/home/gabriel/features/cli/mandoc.nix
@@ -0,0 +1,7 @@
+{
+  programs.man = {
+    # Performance regression. See https://github.com/NixOS/nixpkgs/issues/513348
+    man-db.enable = false;
+    mandoc.enable = true;
+  };
+}
diff --git a/hosts/common/global/default.nix b/hosts/common/global/default.nix
index 27ebb1a2..31e3ad03 100644
--- a/hosts/common/global/default.nix
+++ b/hosts/common/global/default.nix
@@ -27,6 +27,7 @@
       ./kdeconnect.nix
       ./upower.nix
       ./display-manager.nix
+      ./mandoc.nix
     ]
     ++ (builtins.attrValues outputs.nixosModules);
 
diff --git a/hosts/common/global/mandoc.nix b/hosts/common/global/mandoc.nix
new file mode 100644
index 00000000..d6242dc4
--- /dev/null
+++ b/hosts/common/global/mandoc.nix
@@ -0,0 +1,7 @@
+{
+  documentation.man = {
+    # Performance regression. See https://github.com/NixOS/nixpkgs/issues/513348
+    man-db.enable = false;
+    mandoc.enable = true;
+  };
+}