From 194155f062bc67213c09dea1a91494a55084eba3 Mon Sep 17 00:00:00 2001
From: sharkdp <davidpeter@web.de>
Date: Fri, 31 Aug 2018 23:18:02 +0200
Subject: [PATCH] Fix relative-path computation for Windows

---
 src/diff.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/diff.rs b/src/diff.rs
index ab315c91..a0f8e253 100644
--- a/src/diff.rs
+++ b/src/diff.rs
@@ -16,7 +16,9 @@ pub type LineChanges = HashMap<u32, LineChange>;
 pub fn get_git_diff(filename: &str) -> Option<LineChanges> {
     let repo = Repository::discover(&filename).ok()?;
     let path_absolute = fs::canonicalize(&filename).ok()?;
-    let path_relative_to_repo = path_absolute.strip_prefix(repo.workdir()?).ok()?;
+    let path_relative_to_repo = path_absolute
+        .strip_prefix(fs::canonicalize(repo.workdir()?).ok()?)
+        .ok()?;
 
     let mut diff_options = DiffOptions::new();
     let pathspec = path_relative_to_repo.into_c_string().ok()?;