From a5833358655a18de98b626d46c1f4a3acb225eca Mon Sep 17 00:00:00 2001
From: msm-code <msm@tailcall.net>
Date: Sun, 5 Apr 2020 13:30:48 +0000
Subject: [PATCH] Allow VMs with hostname other than default (#19)

The VM runner created by nix is called `./run-<hostname>-vm`.
So far, the code hardcoded it as `./result/bin/run-nixos-vm`, but
for the users that want to change VM hostname it may be problematic.
---
 appvm.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/appvm.go b/appvm.go
index 574de04..9c30e67 100644
--- a/appvm.go
+++ b/appvm.go
@@ -133,8 +133,13 @@ func generateVM(path, name string, verbose bool) (realpath, reginfo, qcow2 strin
 		return
 	}
 
-	bytes, err := ioutil.ReadFile("result/bin/run-nixos-vm")
-	if err != nil {
+	matches, err := filepath.Glob("result/bin/run-*-vm")
+	if err != nil || len(matches) != 1 {
+		return
+	}
+
+	bytes, err := ioutil.ReadFile(matches[0])
+	if err != nil || len(matches) != 1 {
 		return
 	}