diff --git a/Cargo.lock b/Cargo.lock
index e71823d..a066466 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1514,6 +1514,18 @@ dependencies = [
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "patch-rs"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure_derive 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pest 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pest_derive 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "1.0.1"
@@ -2576,6 +2588,7 @@ dependencies = [
  "log-panics 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime_guess 1.8.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "patch-rs 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlua 0.15.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlua_serde 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3162,6 +3175,7 @@ dependencies = [
 "checksum owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
 "checksum parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f0802bff09003b291ba756dc7e79313e51cc31667e94afbe847def490424cde5"
 "checksum parking_lot_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ad7f7e6ebdc79edff6fdcb87a55b620174f7a989e3eb31b65231f4af57f00b8c"
+"checksum patch-rs 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "36b17c85e29958514636d3071b17538241a2631c32fed7e6ff3b431d2bda4a1a"
 "checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 "checksum pest 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0fce5d8b5cc33983fc74f78ad552b5522ab41442c4ca91606e4236eb4b5ceefc"
 "checksum pest 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a677051ad923732bb5c70f2d45f8985a96e3eee2e2bff86697e3b11b0c3fcfde"
diff --git a/Cargo.toml b/Cargo.toml
index 4443eae..8985f0b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,6 +59,7 @@ blake2 = "0.8.0"
 tar = "0.4.20"
 xz2 = "0.1.6"
 unidiff = { git = "https://github.com/foundpatterns/difflib" }
+patch-rs = "0.3"
 
 
 [dev-dependencies]
diff --git a/src/bindings/app/mod.rs b/src/bindings/app/mod.rs
index b7a3b1c..b53528d 100644
--- a/src/bindings/app/mod.rs
+++ b/src/bindings/app/mod.rs
@@ -3,6 +3,7 @@ pub mod log;
 pub mod markdown;
 pub mod tera;
 pub mod diff;
+pub mod patch;
 
 use rlua::prelude::*;
 
@@ -22,6 +23,7 @@ pub fn init(lua: &Lua) -> ::Result<()> {
     tantivy::init(&lua)?;
     tera::init(&lua)?;
     diff::init(&lua)?;
+    patch::init(&lua)?;
 
     Ok(())
 }
diff --git a/src/bindings/app/patch.rs b/src/bindings/app/patch.rs
new file mode 100644
index 0000000..97d83b4
--- /dev/null
+++ b/src/bindings/app/patch.rs
@@ -0,0 +1,24 @@
+use rlua::{Lua, UserData, UserDataMethods};
+
+struct PatchParser(patch_rs::PatchParser);
+
+impl UserData for PatchParser {
+    fn add_methods<'lua, M: UserDataMethods<'lua, Self>>(methods: &mut M) {
+        methods.add_method("process", |_, this, _: ()| {
+            this.0.process().map_err(rlua::Error::external)
+        });
+    }
+}
+
+pub fn init(lua: &Lua) -> Result<(), rlua::Error> {
+    let module = lua.create_table()?;
+    module.set(
+        "new",
+        lua.create_function(|_, (text, patch): (Vec<String>, String)| {
+            Ok(PatchParser(patch_rs::PatchParser::new(text, patch)))
+        })?,
+    )?;
+    let g = lua.globals();
+    g.set("patch_parser", module)?;
+    Ok(())
+}
diff --git a/src/bindings/string/stringset.rs b/src/bindings/string/stringset.rs
index da98f03..af005f6 100644
--- a/src/bindings/string/stringset.rs
+++ b/src/bindings/string/stringset.rs
@@ -223,4 +223,4 @@ mod tests {
             symmetric(a, b)
         "#, None).unwrap();
     }
-}
\ No newline at end of file
+}
diff --git a/src/lib.rs b/src/lib.rs
index 090a017..e09493f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -38,6 +38,7 @@ extern crate tar;
 extern crate xz2;
 extern crate unidiff;
 extern crate blake2;
+extern crate patch_rs;
 
 #[cfg(feature = "tantivy_bindings")]
 extern crate tantivy;