Initial commit

util.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func IsSymlink(path string) (bool, error) {
+	fileInfo, err := os.Lstat(path)
+	if err != nil {
+		return false, err
+	}
+
+	// os.ModeSymlink is a bitmask that identifies the symlink mode.
+	// If the file mode & os.ModeSymlink is non-zero, the file is a symlink.
+	return fileInfo.Mode()&os.ModeSymlink != 0, nil
+}
+
+func FileExists(path string) bool {
+	_, err := os.Lstat(path)
+	if err != nil {
+		return false
+	}
+	return true
+}
+
+func NormalizePath(input string) string {
+	workingdirectory, _ := os.Getwd()
+	input = strings.ReplaceAll(input, "\\", "/")
+	input = strings.ReplaceAll(input, "\"", "")
+
+	if !filepath.IsAbs(input) {
+		input = workingdirectory + "/" + input
+	}
+
+	return filepath.Clean(input)
+}
+
+func AreSame(lhs string, rhs string) bool {
+	lhsinfo, err := os.Stat(lhs)
+	if err != nil {
+		return false
+	}
+	rhsinfo, err := os.Stat(rhs)
+	if err != nil {
+		return false
+	}
+
+	return os.SameFile(lhsinfo, rhsinfo)
+}
+
+func ConvertHome(input string) (string, error) {
+	if strings.Contains(input, "~") {
+		homedir, err := os.UserHomeDir()
+		if err != nil {
+			return input, fmt.Errorf("unable to convert ~ to user directory with error %+v", err)
+		}
+
+		return strings.Replace(input, "~", homedir, 1), nil
+	}
+	return input, nil
+}