gitweb/README: Document $base_url

diff --git a/gitweb/README b/gitweb/README
index ccda890c0ef1b2d1fb1c451d3f9a10d97817c8f6..66c6a9391d3494ae8928e88501d8fa0d36dffa42 100644 (file)
--- a/gitweb/README
+++ b/gitweb/README
@@ -165,6 +165,12 @@ not include variables usually directly set during build):
    Full URL and absolute URL of gitweb script;
    in earlier versions of gitweb you might have need to set those
    variables, now there should be no need to do it.
+ * $base_url
+   Base URL for relative URLs in pages generated by gitweb,
+   (e.g. $logo, $favicon, @stylesheets if they are relative URLs),
+   needed and used only for URLs with nonempty PATH_INFO via
+   <base href="$base_url>.  Usually gitweb sets its value correctly,
+   and there is no need to set this variable, e.g. to $my_uri or "/".
  * $home_link
    Target of the home link on top of all pages (the first part of view
    "breadcrumbs").  By default set to absolute URI of a page ($my_uri).
@@ -377,7 +383,7 @@ named without a .git extension (e.g. /pub/git/project instead of
 
        DocumentRoot /var/www/gitweb
 
-       AliasMatch ^(/.*?)(\.git)(/.*)? /pub/git$1$3
+       AliasMatch ^(/.*?)(\.git)(/.*)?$ /pub/git$1$3
        <Directory /var/www/gitweb>
                Options ExecCGI
                AddHandler cgi-script cgi
@@ -402,6 +408,14 @@ http://git.example.com/project
 
 will provide human-friendly gitweb access.
 
+This solution is not 100% bulletproof, in the sense that if some project
+has a named ref (branch, tag) starting with 'git/', then paths such as
+
+http://git.example.com/project/command/abranch..git/abranch
+
+will fail with a 404 error.
+
+
 
 Originally written by:
   Kay Sievers <kay.sievers@vrfy.org>