From 1bf798b8cb1da83ebedf408115590d3d002e3609 Mon Sep 17 00:00:00 2001
From: Sebastian Jordan <sebastian.jordan.mail@googlemail.com>
Date: Mon, 21 May 2018 14:15:58 +0200
Subject: [PATCH] nixos/ipfs: Add option to disable local port scanning for
 ipfs daemon

---
 nixos/modules/services/network-filesystems/ipfs.nix | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/network-filesystems/ipfs.nix b/nixos/modules/services/network-filesystems/ipfs.nix
index e2122ddb8ede..b5903d113c57 100644
--- a/nixos/modules/services/network-filesystems/ipfs.nix
+++ b/nixos/modules/services/network-filesystems/ipfs.nix
@@ -186,6 +186,16 @@ in {
         default = [];
       };
 
+      localDiscovery = mkOption {
+        type = types.bool;
+        description = ''Whether to enable local discovery for the ipfs daemon.
+          This will prevent ipfs to scan ports on your local network. Some hosting services will ban you if you do.
+
+          This option only has an effect before you initialized ipfs your machine.
+        '';
+        default = true;
+      };
+
       serviceFdlimit = mkOption {
         type = types.nullOr types.int;
         default = null;
@@ -232,7 +242,8 @@ in {
       '';
       script = ''
         if [[ ! -f ${cfg.dataDir}/config ]]; then
-          ipfs init ${optionalString cfg.emptyRepo "-e"}
+          ipfs init ${optionalString cfg.emptyRepo "-e"} \
+            ${optionalString (! cfg.localDiscovery) "--profile=server"}
         fi
       '';