I've been using version control for a long time, but I haven't used CVS much since the first day I tried Subversion.

(Git seems great but isn't the same kind of drop-in upgrade that CVS to Subversion was)

Things I forgot

specifically
I wanted to create a patch equal to the changes between two versions of
Drupal - but it turns out that a packaging script adds some info to
releases that isn’t in the cvs version so this doesn’t quite do what I
wanted.

it’s still useful though …

I’ve
been using open source software and developing php for a decade or so
now - but until recently the two have been fairly seperate.