improve checkout to look for config file in root directory

Author: mrados7

README.md

@@ -41,6 +41,7 @@ commit
 ## Config file
 
 You can add a config file to project directory `.git-commands.json` to override the default values.
+Alternatively, you can add a global config file to your home directory `~/.git-commands.json`.
 
 ```json
 {

cmd/checkout/config.go

@@ -84,7 +84,13 @@ func loadConfig() ([]list.Item, []list.Item, error) {
 	}
 	for {
 		rel, _ := filepath.Rel(basePath, targetPath)
+		fmt.Println("Rel:", rel)
 		if rel == "." {
+			filePath := filepath.Join(basePath, configFile)
+			if _, err := os.Open(filePath); err == nil {
+				fmt.Println("Found config file at", filePath)
+				return loadConfigFile(filePath)
+			}
 			break
 		}
 		filePath := filepath.Join(targetPath, configFile)
@@ -93,6 +99,8 @@ func loadConfig() ([]list.Item, []list.Item, error) {
 			return loadConfigFile(filePath)
 		}
 
+		fmt.Println("No config file found at", filePath)
+
 		targetPath += "/.."
 	}
 	fmt.Println("No config file found, using default config")