From 9607137cafdf5fe14dd4f33494eac90774089d8b Mon Sep 17 00:00:00 2001
From: Benoit Giannangeli <giann008@gmail.com>
Date: Fri, 28 Apr 2017 15:05:28 +0200
Subject: os.rename

---
 README.md     |  4 ++--
 src/loslib.js | 12 ++++++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 6e7cf5c..f1ec601 100644
--- a/README.md
+++ b/README.md
@@ -25,16 +25,16 @@
     - [ ] Package
     - [ ] os
         - [x] `os.exit()`
+        - [x] `os.rename()`
         - [x] `os.time()`
+        - [x] `os.tmpname()`
         - [ ] `os.clock()`
         - [ ] `os.date()`
         - [ ] `os.difftime()`
         - [ ] `os.execute()`
         - [ ] `os.getenv()`
         - [ ] `os.remove()`
-        - [ ] `os.rename()`
         - [ ] `os.setlocale()`
-        - [ ] `os.tmpname()`
     - [ ] io
         - [ ] `io.stdin`
         - [ ] `io.stdout`
diff --git a/src/loslib.js b/src/loslib.js
index 8bf38d9..06abcb6 100644
--- a/src/loslib.js
+++ b/src/loslib.js
@@ -100,6 +100,17 @@ if (typeof require === "function") {
             return tmp.tmpNameSync();
         };
 
+        const os_rename = function(L) {
+            let fromname = lua.to_jsstring(lauxlib.luaL_checkstring(L, 1));
+            let toname = lua.to_jsstring(lauxlib.luaL_checkstring(L, 2));
+            try {
+                fs.renameSync(fromname, toname);
+            } catch (e) {
+                return lauxlib.luaL_fileresult(L, false, false, e);
+            }
+            return lauxlib.luaL_fileresult(L, true);
+        };
+
         const os_tmpname = function(L) {
             let name = lua_tmpname();
             if (!name)
@@ -109,6 +120,7 @@ if (typeof require === "function") {
         };
 
         syslib.tmpname = os_tmpname;
+        syslib.rename = os_rename;
     }
 
 }
-- 
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