--- a/rust/hg-core/Cargo.toml	Tue Jan 21 10:24:32 2020 -0500
+++ b/rust/hg-core/Cargo.toml	Tue Jan 14 17:10:20 2020 +0100
@@ -18,6 +18,7 @@
 rayon = "1.3.0"
 regex = "1.1.0"
 twox-hash = "1.5.0"
+same-file = "1.0.6"
 
 [dev-dependencies]
 tempfile = "3.1.0"