From 80ef71e9958d0effe0ea1e1fb39b7200e02eff70 Mon Sep 17 00:00:00 2001
From: William Carroll <wpcarro@gmail.com>
Date: Thu, 16 Dec 2021 19:49:23 -0500
Subject: feat(ops/auto-deploy): Support auto-deploy

Automatically rebuild the current system's NixOS config from the latest checkout
of depot.

Change-Id: I23aa7af50e16e985ac34df214e0905e770316e5e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4390
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: zseri <zseri.devel@ytrizja.de>
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
---
 ops/nixos.nix | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'ops/nixos.nix')

diff --git a/ops/nixos.nix b/ops/nixos.nix
index 19ba0168c0..66ca188c5b 100644
--- a/ops/nixos.nix
+++ b/ops/nixos.nix
@@ -32,7 +32,9 @@ in rec {
       (throw "${hostname} is not a known NixOS host")
       (map nixosFor depot.ops.machines.all-systems));
 
-  rebuild-system = pkgs.writeShellScriptBin "rebuild-system" ''
+  rebuild-system = rebuildSystemWith depot.path;
+
+  rebuildSystemWith = depotPath: pkgs.writeShellScriptBin "rebuild-system" ''
     set -ue
     if [[ $EUID -ne 0 ]]; then
       echo "Oh no! Only root is allowed to rebuild the system!" >&2
@@ -40,9 +42,9 @@ in rec {
     fi
 
     echo "Rebuilding NixOS for $HOSTNAME"
-    system=$(nix-build -E "((import ${toString depot.path} {}).ops.nixos.findSystem \"$HOSTNAME\").system" --no-out-link --show-trace)
+    system=$(${pkgs.nix}/bin/nix-build -E "((import ${depotPath} {}).ops.nixos.findSystem \"$HOSTNAME\").system" --no-out-link --show-trace)
 
-    nix-env -p /nix/var/nix/profiles/system --set $system
+    ${pkgs.nix}/bin/nix-env -p /nix/var/nix/profiles/system --set $system
     $system/bin/switch-to-configuration switch
   '';
 
-- 
cgit 1.4.1