Repository failure

[ylavoie]

Here's what I get when trying to update cloned copy of the repository after first download.

git submodule update --init
Submodule 'libs/clientcide' (git://github.com/anutron/clientcide.git) registered for path 'libs/clientcide'
Submodule 'libs/core' (git://github.com/mootools/mootools-core.git) registered for path 'libs/core'
Submodule 'libs/more' (git://github.com/mootools/mootools-more.git) registered for path 'libs/more'
Cloning into 'libs/clientcide'...
remote: Counting objects: 3299, done.
remote: Compressing objects: 100% (1281/1281), done.
remote: Total 3299 (delta 2028), reused 3145 (delta 1930)
Receiving objects: 100% (3299/3299), 2.03 MiB | 440 KiB/s, done.
Resolving deltas: 100% (2028/2028), done.
Submodule path 'libs/clientcide': checked out '3af5341e2ff994b7023d012963e199278060753c'
Cloning into 'libs/core'...
remote: Counting objects: 23158, done.
remote: Compressing objects: 100% (7380/7380), done.
remote: Total 23158 (delta 15785), reused 22365 (delta 15139)
Receiving objects: 100% (23158/23158), 3.62 MiB | 313 KiB/s, done.
Resolving deltas: 100% (15785/15785), done.
fatal: reference is not a tree: 7a8ddc74333aabd0d696ece842e9534449f7b80d
Cloning into 'libs/more'...
remote: Counting objects: 19088, done.
remote: Compressing objects: 100% (5348/5348), done.
remote: Total 19088 (delta 14373), reused 17990 (delta 13545)
Receiving objects: 100% (19088/19088), 2.89 MiB | 462 KiB/s, done.
Resolving deltas: 100% (14373/14373), done.
Submodule path 'libs/more': checked out 'dc90ba75705728df385b9e6672767fc1d59cead2'
Unable to checkout '7a8ddc74333aabd0d696ece842e9534449f7b80d' in submodule path 'libs/core'