*: Handle paths starting with ~username

Signed-off-by: Arieh Schneier <15041913+AriehSchneier@users.noreply.github.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/internal/path_util/path_util.go b/internal/path_util/path_util.go
new file mode 100644
index 0000000..48e4a3d
--- /dev/null
+++ b/internal/path_util/path_util.go
@@ -0,0 +1,29 @@
+package path_util
+
+import (
+	"os"
+	"os/user"
+	"strings"
+)
+
+func ReplaceTildeWithHome(path string) (string, error) {
+	if strings.HasPrefix(path, "~") {
+		firstSlash := strings.Index(path, "/")
+		if firstSlash == 1 {
+			home, err := os.UserHomeDir()
+			if err != nil {
+				return path, err
+			}
+			return strings.Replace(path, "~", home, 1), nil
+		} else if firstSlash > 1 {
+			username := path[1:firstSlash]
+			userAccount, err := user.Lookup(username)
+			if err != nil {
+				return path, err
+			}
+			return strings.Replace(path, path[:firstSlash], userAccount.HomeDir, 1), nil
+		}
+	}
+
+	return path, nil
+}