I actually had a poke around the XIP format after I was particlarly annoyed after the XCode update.
For XCode: The XIP contained some kind of DEFLATE'd index I didn't bother with. Most of the meat was an uncompressed "PBXZ" stream, which contained various LZMA compressed CPIO chunks.
I actually had a poke around the XIP format after I was particlarly annoyed after the XCode update.
For XCode: The XIP contained some kind of DEFLATE'd index I didn't bother with. Most of the meat was an uncompressed "PBXZ" stream, which contained various LZMA compressed CPIO chunks.