Hi Thomas,

Before this the layout was

1MB Newworld boot partition
512MB HFS partition for boot.img
2GB SFS partition for System:
40GB PFS3 partition for Work:
15GB EXT4 partition for /
1.5GB Linux swap partition

I ran the Ubuntu installer from the live cd and told it to format the existing ext4 partition. The installer segfaulted so I ran it again and chose the option to reinstall over existing installation, but it didn't do what I assumed it would do and instead it wiped the entire partition map and created:

1MB Newworld boot partition
57MB EXT4 /
2.5GB Swap partition

The new ext4 partition has 3.16GB of data installed to it so I guess it has overwritten the PFS metadata at the beginning of the old partition. :(

I'm open to all suggestions that might help me recover my sourcecode though.