feat: added GetExecutableGoModPath helper function

Author: ralvarezdev

filesystem/utils.go

@@ -0,0 +1,59 @@
+package filesystem
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+// GetCurrentDirectory gets the current directory of the executable
+//
+// Returns:
+//
+//   - string: the current directory path
+//   - error: error if any occurred while retrieving the directory
+func GetCurrentDirectory() (string, error) {
+	execPath, err := os.Executable()
+	if err != nil {
+		return "", err
+	}
+
+	return filepath.Dir(execPath), nil
+}
+
+
+// GetExecutableGoModPath get the path of the go.mod file relative to the executable (searching upwards in the directory tree)
+// 
+// Returns:
+// 
+//  - string: The path to the go.mod file
+//  - error: The error if any
+func GetExecutableGoModPath() (string, error) {
+	ex, err := os.Executable()
+	if err != nil {
+		return "", fmt.Errorf("could not get executable path: %w", err)
+	}
+
+   	// Start the search from the executable's directory
+	dir := filepath.Dir(ex)
+
+   	// Loop up the directory tree to find go.mod
+	for {
+		// Construct the potential go.mod path
+		goModPath := filepath.Join(dir, "go.mod")
+
+       // Check if go.mod exists at this location
+		if _, err := os.Stat(goModPath); err == nil {
+			return goModPath, nil // Found the file!
+		}
+
+       	// Move up one level
+		parentDir := filepath.Dir(dir)
+
+       	// Stop if we hit the filesystem root (no more parent directories)
+		if parentDir == dir {
+			return "", fmt.Errorf("go.mod not found in any parent directory relative to executable: %s", ex)
+		}
+		dir = parentDir
+	}
+}