MultiRepos: the trac-svn-post-commit script now advises to directly put the TRAC_ENV, PATH (+ eventually LD_LIBRARY_PATH) configuration inside (a copy of) the trac-svn-post-commit script.
That way a multi-repository setup is easier to maintain, as there's only one line which has to be added to each repository's hooks/post-commit script, i.e.
