One minor but important note: the hashed format is *not* readable with a darcs-1 program: (after a darcs optimize --upgrade in /opt/repositories/controls/darcs/apps/HoBiCaT) franksen@aragon:~/tmp > /usr/bin/darcs --version 1.0.9rc1 (release candidate 1) franksen@aragon:~/tmp > /usr/bin/darcs get /opt/repositories/controls/darcs/apps/HoBiCaT Invalid repository: /srv/csr/repositories/controls/darcs/apps/HoBiCaT darcs: /srv/csr/repositories/controls/darcs/apps/HoBiCaT/_darcs/inventory: openBinaryFile: does not exist (No such file or directory) franksen@aragon:~/tmp > /opt/darcs/bin/darcs --version 2.0.2 (release) franksen@aragon:~/tmp > /opt/darcs/bin/darcs get /opt/repositories/controls/darcs/apps/HoBiCaT Copying patches, to get lazy repository hit ctrl-C... Finished getting.