Support filesystems with 64bit inode and device numbers.

stat(2) can return 64bit filesystem inode and device, truncate them to 32bit.

Signed-off-by: Jelmer Vernooij <jelmer@samba.org>

NEWS

@@ -22,6 +22,11 @@
  * Add LocalGitClient implementation.
    (Jelmer Vernooij)
 
+ BUG FIXES
+
+  * Support filesystems with 64bit inode and device numbers.
+    (André Roth)
+
  CHANGES
 
   * Ref handling has been moved to dulwich.refs.

dulwich/index.py

@@ -114,7 +114,7 @@ def write_cache_entry(f, entry):
     write_cache_time(f, ctime)
     write_cache_time(f, mtime)
     flags = len(name) | (flags &~ 0x0fff)
-    f.write(struct.pack(">LLLLLL20sH", dev, ino, mode, uid, gid, size, hex_to_sha(sha), flags))
+    f.write(struct.pack(">LLLLLL20sH", dev & 0xFFFFFFFF, ino & 0xFFFFFFFF, mode, uid, gid, size, hex_to_sha(sha), flags))
     f.write(name)
     real_size = ((f.tell() - beginoffset + 8) & ~7)
     f.write("\0" * ((beginoffset + real_size) - f.tell()))