From 3c062a788580a846acb16a5a9ad519bbee2c3747 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Thu, 12 Nov 2026 01:21:34 +0000
Subject: README: explain ports of buildTarget and target

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'README.md')

diff --git a/README.md b/README.md
index f4c0187..35788cd 100644
--- a/README.md
+++ b/README.md
@@ -147,6 +147,10 @@ Built packages will be uploaded from the `buildTarget` to `target` directly
 This requires the building machine to have ssh access to the target.
 To build the system on the same machine, that runs the krops command,
 set up a local ssh service and set the build host to localhost.
+`nixos-rebuild` can't be told the ports of `buildTarget` and `target`, so their
+`port` attributes apply only to syncing the sources.  If both use the same
+non-default port, set `NIX_SSHOPTS="-p PORT"` when deploying, so
+`nixos-rebuild` uses it as well.
 
 ### `crossDeploy` (optional, defaults to false)
 
-- 
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