Merge pull request presslabs#260 from PressLabs/max-open-file-259

Add max_open_files option. (fixes presslabs#259)

Author: vtemian

gitfs/mounter.py

@@ -15,6 +15,7 @@
 
 import sys
 import argparse
+import resource
 
 from fuse import FUSE
 from pygit2 import Keypair, UserPass
@@ -111,6 +112,10 @@ def start_fuse():
     except:
         return
 
+    if args.max_open_files != -1:
+        resource.setrlimit(resource.RLIMIT_NOFILE,
+                           (args.max_open_file, args.max_open_file))
+
     # ready to mount it
     if sys.platform == 'darwin':
         FUSE(router, args.mount_point, foreground=args.foreground,

gitfs/utils/args.py

@@ -58,6 +58,7 @@ def __init__(self, parser):
             ("ignore_file", ("", "string")),
             ("hard_ignore", ("", "string")),
             ("min_idle_times", (10, "float")),
+            ("max_open_files", (-1, "int")),
         ])
         self.config = self.build_config(parser.parse_args())
 

tests/test_mount.py

@@ -132,6 +132,7 @@ def test_start_fuse(self):
         mocked_prepare = MagicMock()
         mocked_argp = MagicMock()
         mocked_fuse = MagicMock()
+        mocked_resource = MagicMock()
         mocked_args = MagicMock()
 
         mocked_merge = MagicMock()
@@ -146,7 +147,7 @@ def test_start_fuse(self):
         with patch.multiple('gitfs.mounter', argparse=mocked_argp,
                             parse_args=mocked_parse_args,
                             prepare_components=mocked_prepare,
-                            FUSE=mocked_fuse):
+                            FUSE=mocked_fuse, resource=MagicMock()):
             start_fuse()
 
             mocked_argp.ArgumentParser.assert_called_once_with(prog='GitFS')