From b8def65d6ef13b56f3b1e22cb8c09ced4d2b6ac3 Mon Sep 17 00:00:00 2001
From: Sebastian Martinez <me@sebastinez.dev>
Date: Wed, 28 Jun 2023 11:31:21 +0200
Subject: [PATCH] surf: add simple copy detection to diff

Signed-off-by: Sebastian Martinez <me@sebastinez.dev>
---
 radicle-surf/src/repo.rs   |  1 +
 radicle-surf/t/src/diff.rs | 10 ++++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/radicle-surf/src/repo.rs b/radicle-surf/src/repo.rs
index 8a1fc37..766d3f4 100644
--- a/radicle-surf/src/repo.rs
+++ b/radicle-surf/src/repo.rs
@@ -519,6 +519,7 @@ impl Repository {
         // Detect renames by default.
         let mut find_opts = git2::DiffFindOptions::new();
         find_opts.renames(true);
+        find_opts.copies(true);
         diff.find_similar(Some(&mut find_opts))?;
 
         Ok(diff)
diff --git a/radicle-surf/t/src/diff.rs b/radicle-surf/t/src/diff.rs
index 4b53f22..ee95009 100644
--- a/radicle-surf/t/src/diff.rs
+++ b/radicle-surf/t/src/diff.rs
@@ -302,7 +302,13 @@ fn test_diff_serde() -> Result<(), Error> {
             "oldPath": "text/emoji.txt",
             "newPath": "emoji.txt",
         }],
-        "copied": [],
+        "copied": [{
+            "diff": {
+                "type": "empty",
+            },
+            "newPath": "file_operations/copied.md",
+            "oldPath": "README.md",
+        }],
         "modified": [{
             "path": "README.md",
             "diff": {
@@ -343,7 +349,7 @@ fn test_diff_serde() -> Result<(), Error> {
         }],
         "stats": {
             "deletions": 9,
-            "filesChanged": 4,
+            "filesChanged": 5,
             "insertions": 4,
         }
     });