Utility package to find files traversing up the path

traverse.go

// Utility functions used to search up through directories for
// specific files.
package traverse

import (
	"fmt"
	"io/ioutil"
	"path/filepath"
)

// Search a single directory for a specific file name
func SearchDirForFilename(dir string, filename string) (string, error) {
	files, err := ioutil.ReadDir(dir)
	if err != nil {
		fmt.Println(err)
	}

	for _, file := range files {
		if file.Name() == filename {
			path, err := filepath.Abs(dir)
			if err != nil {
				return "", err
				fmt.Printf("Could not determine absolute dir: %s", err)
			}
			return filepath.Join(path, file.Name()), nil
		}
	}

	return "", nil
}

// Search directories going up looking for specific file name, limit 5
func FindFile(startingDir string, filename string) string {
	// Max 5
	for i := 0; i < 5; i++ {
		dir, err := filepath.Abs(startingDir)
		if err != nil {
			fmt.Println(err)
		}
		startingDir = filepath.Join(startingDir, "..")
		path, err := SearchDirForFilename(dir, filename)

		if path != "" {
			return path
		}
	}
	return ""
}