From 2451dceb0cf2b0b4e5b1815dd28fb480ba1d5956 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Wed, 11 Nov 2026 17:07:28 +0000
Subject: krops writeDeploy: add flake parameter

With flake set, nixos-rebuild deploys that flake from the build target's
source directory, with flakes enabled for the command.  The deployment fails
with an error message unless Nix on the build target supports flakes.
---
 pkgs/krops/default.nix | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'pkgs')

diff --git a/pkgs/krops/default.nix b/pkgs/krops/default.nix
index 04c38cf..93f9d0e 100644
--- a/pkgs/krops/default.nix
+++ b/pkgs/krops/default.nix
@@ -5,13 +5,18 @@ in
 { nix, openssh, populate, writers }: rec {
 
   rebuild = {
+    flake ? null,
     useNixOutputMonitor
   }:
   args: target:
     runShell target {}
       (withNixOutputMonitor target useNixOutputMonitor /* sh */ ''
+        ${lib.optionalString (flake != null)
+          (lib.shell.requireFlakes "deploying a flake")}
         NIX_PATH=${lib.escapeShellArg target.path} \
-        nixos-rebuild ${lib.escapeShellArgs args}
+        nixos-rebuild ${lib.escapeShellArgs (args ++ lib.optionals (flake != null) [
+          "--flake" "${target.path}/${flake}"
+        ])}
       '');
 
   runShell = target: {
@@ -91,6 +96,7 @@ in
     buildTarget ? null,
     crossDeploy ? false,
     fast ? null,
+    flake ? null,
     force ? false,
     operation ? "switch",
     source,
@@ -109,7 +115,7 @@ in
         ${lib.optionalString (buildTarget' != target')
           (populate { inherit backup force source; target = buildTarget'; })}
         ${populate { inherit backup force source; target = target'; }}
-        ${rebuild { inherit useNixOutputMonitor; } ([
+        ${rebuild { inherit flake useNixOutputMonitor; } ([
           operation
         ] ++ lib.optionals crossDeploy [
           "--no-build-nix"
-- 
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