Jo said it's no longer used. We're using the following repos now:
https://github.com/mono/linux-packaging-mono
https://github.com/mono/linux-packaging-mono-snapshot
[submodule "external/cecil"]
path = external/cecil
url = git://github.com/mono/cecil.git
-[submodule "external/debian-snapshot"]
- path = external/debian-snapshot
- url = git://github.com/directhex/mono-snapshot.git
[submodule "external/rx"]
path = external/rx
url = git://github.com/mono/rx.git
+++ /dev/null
-Subproject commit 9342f8f052f81deaba789f030db23a88b4369724