From 48956192c22b0bf34b39dbdf931988ba96dc3879 Mon Sep 17 00:00:00 2001
From: zimbatm <zimbatm@zimbatm.com>
Date: Tue, 15 Jan 2019 10:46:45 +0100
Subject: [PATCH] add make-gce: make Google Compute Engine image

---
 README.md    | 5 +++--
 bin/make-gce | 5 +++++
 lib/gce.nix  | 7 +++++++
 3 files changed, 15 insertions(+), 2 deletions(-)
 create mode 100755 bin/make-gce
 create mode 100644 lib/gce.nix

diff --git a/README.md b/README.md
index 2dd0745..9295407 100644
--- a/README.md
+++ b/README.md
@@ -14,8 +14,9 @@ it echoes the path to a iso image, which you then can flash onto an usb-stick or
 
 we currently have following generators:
 
-format | script
---- | ---
+format | script | description
+--- | --- | ---
+gce | bin/make-gce | Google Compute Image
 iso | bin/make-iso
 kexec | bin/make-kexec
 kexec-bundle | bin/make-kexec-bundle
diff --git a/bin/make-gce b/bin/make-gce
new file mode 100755
index 0000000..70ede03
--- /dev/null
+++ b/bin/make-gce
@@ -0,0 +1,5 @@
+#!/bin/sh
+CONFIG=${1:-config.nix}
+shift
+out=$(nix-build --no-out-link '<nixpkgs/nixos>' -A config.system.build.googleComputeImage -I nixos-config=lib/gce.nix -I nixcfg=${CONFIG} "$@" )
+echo "$out"/*.tar.gz
diff --git a/lib/gce.nix b/lib/gce.nix
new file mode 100644
index 0000000..ea3bd28
--- /dev/null
+++ b/lib/gce.nix
@@ -0,0 +1,7 @@
+{ modulesPath, ... }:
+{
+  imports = [
+    "${toString modulesPath}/virtualisation/google-compute-image.nix"
+    <nixcfg>
+  ];
+}