githttpbackend: clamp to one smart HTTP request at-a-time

Server admins may not be able to afford to have too many
git-pack-objects processes running at once.  Since PSGI
HTTP servers should already be configured to use multiple
processes for other requests; limit concurrency of smart
backends to one; and fall back to dumb responses if we're
already generating a pack.

1 files changed, 1 insertions, 1 deletions

diff --git a/t/httpd.t b/t/httpd.t
index 03790311..781fe03a 100644
--- a/t/httpd.t
+++ b/t/httpd.t
@@ -104,7 +104,7 @@ EOF
 
         is(system(qw(git clone -q --mirror),
                         "http://$host:$port/$group", "$tmpdir/clone.git"),
-                0, 'clone successful');
+                0, 'smart clone successful');
 
         # ensure dumb cloning works, too:
         is(system('git', "--git-dir=$maindir",