[PATCH 4/6] git: lowercase host in host_prefix_url

[Eric Wong <e@80x24.org>]

This will make it more effective for use as a cache key.
I'm not entirely happy with this sub being in the Git module
since it's used by lei and command-line tools, but that's
for another day to deal with...
---
 lib/PublicInbox/Git.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index 7b991c6b..f125b029 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -505,7 +505,7 @@ sub host_prefix_url ($$) {
 	my $host_port = $env->{HTTP_HOST} //
 		"$env->{SERVER_NAME}:$env->{SERVER_PORT}";
 	my $sn = $env->{SCRIPT_NAME} // '';
-	"$env->{'psgi.url_scheme'}://$host_port$sn/$url";
+	"$env->{'psgi.url_scheme'}://\L$host_port\E$sn/$url";
 }
 
 sub base_url { # for coderepos, PSGI-only