How to update from svn?

Now that autoconf support is gone and with it the "update" target
(still mentioned in the "Getting started" document:, what is the recommended way
to update llvm, clang and any other project (clang-tools-extra,
compiler-rt, etc.) from Subversion? Do I have to change manually into
the appropriate directories and issue "svn up" ?


I think everyone has their own little scripts for this - I have one for git-svn that goes a little something like this (though it freaks out if there’s an untracked directory - like a newly created but not yet git add’d one).

We should possibly get one such script checked into the repo as an authoritative tool: