gitweb problem?

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Whenever I view the toplevel gitweb page (running as a cgi script
under apache), but not when in a specific repo, I get this in my error
log:

gitweb.cgi: Use of uninitialized value $git_dir in concatenation (.) or string at /home/git/gitweb/gitweb.cgi line 2065.
fatal: error processing config file(s)
gitweb.cgi: Use of uninitialized value $git_dir in concatenation (.) or string at /home/git/gitweb/gitweb.cgi line 2221.
gitweb.cgi: Use of uninitialized value $git_dir in concatenation (.) or string at /home/git/gitweb/gitweb.cgi line 2218.

(taken verbatim from the apache error log, removed uninteresting line
prefixes.)

I'm using the pathinfo option, so perhaps there is a problem with that
setup?

Looking at the source, the last two line numbers are in
`git_get_project_config' -- so my guess is that the code is trying to
get the options from the repository config file even when showing the
toplevel page.  Based on this, and also guessing that $git_dir is
unset when viewing the toplevel page, I added

	return unless (defined $git_dir);

to the top (of the `git_get_project_config' function), and I get no
warnings and everything works as it should.

(Disclaimer: I can barely read perl, and I'm a git newbie, so all of
this can be due to some other stupid mistake.)

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                    http://barzilay.org/                   Maze is Life!

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