From 6ebc5625994df32a4c7c904ced5509a8e19b4f54 Mon Sep 17 00:00:00 2001
From: Mikhail Klementev <blame@dumpstack.io>
Date: Mon, 30 Dec 2019 13:41:33 +0000
Subject: [PATCH] Save app nix description to config directory

---
 appvm.go    |  2 ++
 generate.go | 12 +++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/appvm.go b/appvm.go
index b6fdf8d..42d6479 100644
--- a/appvm.go
+++ b/appvm.go
@@ -46,6 +46,8 @@ func getAppVMExpressionPath(name string) (paths []string, config string) {
 	paths = strings.Split(os.Getenv("NIX_PATH"), ":")
 	config = "nix/" + name + ".nix"
 
+	paths = append(paths, configDir)
+
 	for _, a := range paths {
 		searchpath := a
 		log.Print("Searching " + searchpath + " for expressions")
diff --git a/generate.go b/generate.go
index 3bca04a..bd22735 100644
--- a/generate.go
+++ b/generate.go
@@ -88,6 +88,16 @@ func generate(l *libvirt.Libvirt, name, bin string) {
 	}
 
 	realName := strings.Split(name, ".")[1]
+	appFilename := configDir + "/nix/" + realName + ".nix"
 
-	fmt.Printf(template, realName, bin)
+	appNixConfig := fmt.Sprintf(template, realName, bin)
+
+	err = ioutil.WriteFile(appFilename, []byte(appNixConfig), 0600)
+	if err != nil {
+		log.Println(err)
+		return
+	}
+
+	fmt.Print(appNixConfig + "\n")
+	log.Println("Configuration file is saved to", appFilename)
 }