hgwebfs: make hgwebfs prompt for password

sys/lib/python/hgext/hgwebfs.py

@@ -2,9 +2,26 @@
 
 import mercurial.url
 import re
+import os
 
 class Webconn:
 	def __init__(self, mnt, req):
+		try:
+			self.open(mnt, req)
+		except IOError, e:
+			try:
+				errstr = e.strerror
+				params = errstr[errstr.index("needkey ")+8:]
+				if params.find("!password?") < 0:
+					raise e
+				if os.spawnl(os.P_WAIT, "/boot/factotum", "getkey", "-g", params) != 0:
+					raise e
+				self.open(mnt, req)
+				return
+			except:
+				raise e
+
+	def open(self, mnt, req):
 		if type(req) == str:
 			self.url = req
 		else: