+# now read PATH_INFO and use it as alternative to parameters
+our $path_info = $ENV{"PATH_INFO"};
+$path_info =~ s|^/||;
+$path_info =~ s|/$||;
+if (validate_input($path_info) && !defined $project) {
+ $project = $path_info;
+ while ($project && !-e "$projectroot/$project/HEAD") {
+ $project =~ s,/*[^/]*$,,;
+ }
+ if (defined $project) {
+ $project = undef unless $project;
+ }
+ if ($path_info =~ m,^$project/([^/]+)/(.+)$,) {
+ # we got "project.git/branch/filename"
+ $action ||= "blob_plain";
+ $hash_base ||= $1;
+ $file_name ||= $2;
+ } elsif ($path_info =~ m,^$project/([^/]+)$,) {
+ # we got "project.git/branch"
+ $action ||= "shortlog";
+ $hash ||= $1;
+ }
+}
+
+$git_dir = "$projectroot/$project";
+