All Files / internal/utils / buildinfo.go

package utils

import (
        "errors"
        "fmt"
        "os"
        "path/filepath"

        "golang.org/x/mod/modfile"
)

var modulePath string

func GetModulePath() (string, error) {
        if modulePath != "" {
                return modulePath, nil
        }

        pwd, err := os.Getwd()
        if err != nil {
                return "", fmt.Errorf("failed to get current working directory: %w", err)
        }

        goModPath, err := findGoModPath(pwd)
        if err != nil {
                return "", fmt.Errorf("failed to find go.mod: %w", err)
        }

        data, err := os.ReadFile(goModPath)
        if err != nil {
                return "", fmt.Errorf("failed to read go.mod: %w", err)
        }

        f, err := modfile.Parse("go.mod", data, nil)
        if err != nil {
                return "", fmt.Errorf("failed to parse go.mod: %w", err)
        }

        modulePath = f.Module.Mod.Path
        return modulePath, nil
}

func findGoModPath(startDir string) (string, error) {
        dir := startDir

        for {
                goModPath := filepath.Join(dir, "go.mod")
                if _, err := os.Stat(goModPath); err == nil {
                        return goModPath, nil
                }

                parent := filepath.Dir(dir)
                if parent == dir {
                        return "", errors.New("go.mod not found in any parent directory")
                }

                dir = parent
        }
}