imp.go

@@ -16,7 +16,10 @@ import (
 )
 
 func runImp(root, ignore string, write, gofumpt, gofumptExtra bool) error {
-	mod := modInfo(root)
+	mod, err := modInfo()
+	if err != nil {
+		return err
+	}
 	globs, err := globber.ParseFile(ignore)
 	if err != nil {
 		if !errors.Is(err, fs.ErrNotExist) {

main.go

@@ -29,16 +29,14 @@ func mainErr() error {
 	stdinFlag := fs.Bool("stdin", false, "Format stdin")
 
 	if err := fs.Parse(os.Args[1:]); err != nil {
-		return err
+		fmt.Println(err)
-	}
-
-	cwd, err := os.Getwd()
-	if err != nil {
-		return err
 	}
 
 	if *stdinFlag {
-		mod := modInfo(cwd)
+		mod, err := modInfo()
+		if err != nil {
+			return err
+		}
 		src, err := io.ReadAll(os.Stdin)
 		if err != nil {
 			return err
@@ -48,10 +46,9 @@ func mainErr() error {
 			return err
 		}
 		fmt.Print(string(formatted))
-		return nil
 	}
 
-	root := cwd
+	root := "."
 	if fs.NArg() > 0 {
 		root = fs.Arg(0)
 	}
@@ -82,15 +79,16 @@ func (m *module) UnmarshalJSON(data []byte) error {
 	return nil
 }
 
-func modInfo(dir string) module {
+func modInfo() (module, error) {
 	cmd := exec.Command("go", "mod", "edit", "--json")
-	cmd.Dir = dir
 	out, err := cmd.Output()
 	if err != nil {
-		return module{}
+		return module{}, err
 	}
 
 	var m module
-	_ = json.Unmarshal(out, &m)
+	if err := json.Unmarshal(out, &m); err != nil {
-	return m
+		return m, err
+	}
+	return m, nil
 }