machine: hetzner: Fix install OS.

Debian no longer ships guix package.

* gnu/machine/hetzner.scm (hetzner-machine-rescue-install-os): Use
guix-install.sh.

Change-Id: I8344d5877057181235c233d9f6f745507af30b85
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/gnu/machine/hetzner.scm b/gnu/machine/hetzner.scm
index 53404255b3e..2702c2ee673 100644
--- a/gnu/machine/hetzner.scm
+++ b/gnu/machine/hetzner.scm
@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2024 Roman Scherer <roman@burningswell.com>
 ;;; Copyright © 2025 Owen T. Heisler <writer@owenh.net>
+;;; Copyright © 2025 Remco van 't Veer <remco@remworks.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -590,7 +591,12 @@ mkdir -p /mnt/tmp/gnu/store
 mkdir -p /gnu/store
 mount --bind /mnt/tmp/gnu/store /gnu/store
 
-apt-get install guix --assume-yes
+wget -O /tmp/guix-install.sh https://guix.gnu.org/guix-install.sh
+chmod +x /tmp/guix-install.sh
+set +o pipefail # avoid hangup on 'yes' killing this script
+yes '' | /tmp/guix-install.sh
+set -o pipefail
+
 cat > /tmp/guix/deploy/hetzner-os.scm << EOF
 (use-modules (gnu) (guix utils))
 (use-package-modules ssh)