inotify: add client code for long pathname handling

hgext/inotify/client.py

@@ -14,7 +14,14 import os, select, socket, stat, struct,
 def query(ui, repo, names, match, list_ignored, list_clean, list_unknown=True):
     sock = socket.socket(socket.AF_UNIX)
     sockpath = repo.join('inotify.sock')
+    try:
     sock.connect(sockpath)
+    except socket.error, err:
+        if err[0] == "AF_UNIX path too long":
+            sockpath = os.readlink(sockpath)
+            sock.connect(sockpath)
+        else:
+            raise
 
     def genquery():
         for n in names or []:

tests/test-inotify-issue1208.out

@@ -1,9 +1,7
 % fail
-failed to contact inotify server: AF_UNIX path too long
+failed to contact inotify server: No such file or directory
 deactivating inotify
 abort: could not start server: File exists
 % inserve
 % status
-failed to contact inotify server: AF_UNIX path too long
-deactivating inotify
 ? hg.pid