From 7d1240514f8b5a2de935bf2b5ae20229257b943f Mon Sep 17 00:00:00 2001
From: Waleed Khan <me@waleedkhan.name>
Date: Mon, 14 Jun 2021 07:18:48 -0700
Subject: [PATCH] add binding for `git_apply_to_tree` (#720)

---
 src/repo.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/repo.rs b/src/repo.rs
index 1304ecd74f..43cf49f1e5 100644
--- a/src/repo.rs
+++ b/src/repo.rs
@@ -2891,6 +2891,26 @@ impl Repository {
         }
     }
 
+    /// Apply a Diff to the provided tree, and return the resulting Index.
+    pub fn apply_to_tree(
+        &self,
+        tree: &Tree<'_>,
+        diff: &Diff<'_>,
+        options: Option<&mut ApplyOptions<'_>>,
+    ) -> Result<Index, Error> {
+        let mut ret = ptr::null_mut();
+        unsafe {
+            try_call!(raw::git_apply_to_tree(
+                &mut ret,
+                self.raw,
+                tree.raw(),
+                diff.raw(),
+                options.map(|s| s.raw()).unwrap_or(ptr::null())
+            ));
+            Ok(Binding::from_raw(ret))
+        }
+    }
+
     /// Reverts the given commit, producing changes in the index and working directory.
     pub fn revert(
         &self,