handle unknown home gracefully

pkg/configuration/configuration.go

@@ -10,7 +10,6 @@ import (
 	"git.kle.li/tools/go-import-redirector/pkg/configuration/file"
 	"git.kle.li/tools/go-import-redirector/pkg/packagelist"
 	"github.com/fsnotify/fsnotify"
-	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
 
@@ -33,9 +32,12 @@ func New(cfgFile string, hotReload bool, reloadFunction func()) *Configuration {
 	} else {
 		// Find home directory.
 		home, err := os.UserHomeDir()
-		cobra.CheckErr(err)
+		if err == nil {
+			c.v.AddConfigPath(home)
+		} else {
+			fmt.Println("Unable to determine $HOME, not searching it for potential config")
+		}
 
-		c.v.AddConfigPath(home)
 		c.v.AddConfigPath("/etc/")
 		c.v.AddConfigPath(".")
 		c.v.SetConfigType("yaml")