From 39a8d9e13ecb9619418bd15dba5ef3ecf4e2d9f9 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Wed, 20 Nov 2024 10:31:25 -0600
Subject: config files are cool!

---
 config.go | 45 +++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 41 insertions(+), 4 deletions(-)

(limited to 'config.go')

diff --git a/config.go b/config.go
index 8cdc9ae..ed13e8c 100644
--- a/config.go
+++ b/config.go
@@ -9,7 +9,6 @@ import (
 	"path/filepath"
 
 	"go.wit.com/log"
-	"google.golang.org/protobuf/proto"
 )
 
 // writes out the cluster information it seperate files
@@ -29,18 +28,50 @@ func (m *Repos) ConfigSave() error {
 }
 
 func (m *Repos) ConfigLoad() error {
+	var data []byte
+	var err error
 	if m == nil {
 		return errors.New("It's not safe to run ConfigLoad() on a nil ?")
 	}
 
-	if data, err := loadFile("forge.pb"); err == nil {
-		if err = proto.Unmarshal(data, m); err != nil {
+	if data, err = loadFile("forge.pb"); err != nil {
+		// something went wrong loading the file
+		return err
+	}
+
+	if data != nil {
+		// this means the forge.pb file exists and was read
+		if len(data) == 0 {
+			// todo: error out if the file is empty?
+			// try forge.text & forge.json?
+		}
+		if err = m.Unmarshal(data); err != nil {
 			log.Warn("broken forge.pb config file")
 			return err
 		}
-	} else {
+		return nil
+	}
+
+	// forge.db doesn't exist. try forge.text
+	// this lets the user hand edit the config
+	if data, err = loadFile("forge.text"); err != nil {
+		// something went wrong loading the file
 		return err
 	}
+
+	if data != nil {
+		// this means the forge.text file exists and was read
+		if len(data) == 0 {
+			// todo: error out if the file is empty?
+		}
+		if err = m.UnmarshalTEXT(data); err != nil {
+			log.Warn("broken forge.text config file")
+			return err
+		}
+		return nil
+	}
+
+	// first time user. make a template config file
 	return nil
 }
 
@@ -49,6 +80,12 @@ func loadFile(filename string) ([]byte, error) {
 	p := filepath.Join(homeDir, ".config/forge")
 	fullname := filepath.Join(p, filename)
 	data, err := os.ReadFile(fullname)
+	if errors.Is(err, os.ErrNotExist) {
+		// if file does not exist, just return nil. this
+		// will cause ConfigLoad() to try the next config file like "forge.text"
+		// because the user might want to edit the .config by hand
+		return nil, nil
+	}
 	if err != nil {
 		// log.Info("open config file :", err)
 		return nil, err
-- 
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