⚡️ Do not save config changes to disk immediately

config.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"sync"
 
 	"github.com/pelletier/go-toml/v2"
 )
@@ -27,6 +28,11 @@ type Config struct {
 
 var config Config
 
+var shouldSaveConfigsMutex = new(sync.Mutex)
+var shouldSaveConfigs = map[string]bool{
+	"ports": false,
+}
+
 // Copy default config if `{name}.toml` file does not exist
 func createDefaultConfig(name string) {
 	dest_path := fmt.Sprintf("%s/%s.toml", CONFIG_DIR, name)
@@ -59,6 +65,13 @@ func loadConfig(name string, dest interface{}) {
 	}
 }
 
+// Mark a config file as changed, so it gets saved to disk later
+func markConfig(name string) {
+	shouldSaveConfigsMutex.Lock()
+	shouldSaveConfigs[name] = true
+	shouldSaveConfigsMutex.Unlock()
+}
+
 // Save struct as a `.toml` file
 func saveConfig(name string, dest interface{}) {
 	bin, err := toml.Marshal(dest)
@@ -70,3 +83,12 @@ func saveConfig(name string, dest interface{}) {
 		fmt.Println(err)
 	}
 }
+
+func saveConfigIfMarked(name string, dest interface{}) {
+	shouldSaveConfigsMutex.Lock()
+	if shouldSaveConfigs[name] {
+		shouldSaveConfigs[name] = false
+		saveConfig(name, dest)
+	}
+	shouldSaveConfigsMutex.Unlock()
+}