Tips for versioning systems (Git, svn, mercurial,…)

Get packed archive of changed files from git directory (more info)

zip changes.zip $(git diff --name-only)

Packed last changes of git:

 git archive -o qt-changes.zip head $(git diff --name-only)

How to upgrade svn to 1.7 on Ubuntu 10.4

Here is nice step-by-step manual.