add trace

cmd/gopath.go

@@ -38,6 +38,7 @@ func getGopmPkgs(dirPath string, isTest bool) (pkgs map[string]*doc.Pkg, err err
 	imports := doc.GetAllImports([]string{dirPath}, ".", false)
 	pkgs = make(map[string]*doc.Pkg)
 	for _, name := range imports {
+		println(name)
 		if name == "C" {
 			continue
 		}

doc/utils.go

@@ -68,6 +68,7 @@ func GetImports(absPath, importPath string, example bool) []string {
 
 	imports := make([]string, 0, len(pkg.Imports))
 	for _, p := range pkg.Imports {
+		println(p, IsGoRepoPath(p), importPath)
 		if !IsGoRepoPath(p) && !strings.HasPrefix(p, importPath) {
 			imports = append(imports, p)
 		}