% apt-get install libdb5.3 libdb5.3-dev
% apt-get install libglib2.0-dev
% mkdir build-ubuntu
% cd build-ubuntu
% CFLAGS=-rdynamic ../configure --enable-debug
% make

gdb has been replaced with lldb

% mkdir build-mac
% cd build-mac
% ../configure --enable-debug
% make

• Create file table
• Backup to path
• Restore to path
• Backup to S3

• Scan for filename, mtime and length
• Add to db
• Check info with db. If size change, backup file
  • If no mtime change, continue
  • If mtime change, check hash
    • If hash changed, backup file
    • If no change, update mtime

• Needs to handle new files, deleted files and changed files
• Produce different versions of a single file

Record:

• filename
• size
• mtime
• hash
• deleted_at