Merge branch 'jn/parse-options-extra'
[gitweb.git] / gitweb / gitweb.perl
index a1a3797b6d4fcd1a282f42ae7f63a76bb471ea90..62b2d21b846d8aaa850a451c0248cb71bb6b0741 100755 (executable)
 use Fcntl ':mode';
 use File::Find qw();
 use File::Basename qw(basename);
+use Time::HiRes qw(gettimeofday tv_interval);
 binmode STDOUT, ':utf8';
 
-our $t0;
-if (eval { require Time::HiRes; 1; }) {
-       $t0 = [Time::HiRes::gettimeofday()];
-}
+our $t0 = [ gettimeofday() ];
 our $number_of_git_cmds = 0;
 
 BEGIN {
@@ -613,6 +611,14 @@ sub filter_snapshot_fmts {
                !$known_snapshot_formats{$_}{'disabled'}} @fmts;
 }
 
+# If it is set to code reference, it is code that it is to be run once per
+# request, allowing updating configurations that change with each request,
+# while running other code in config file only once.
+#
+# Otherwise, if it is false then gitweb would process config file only once;
+# if it is true then gitweb config would be run for each request.
+our $per_request_config = 1;
+
 our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM);
 sub evaluate_gitweb_config {
        our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
@@ -1078,17 +1084,27 @@ sub dispatch {
 }
 
 sub reset_timer {
-       our $t0 = [Time::HiRes::gettimeofday()]
+       our $t0 = [ gettimeofday() ]
                if defined $t0;
        our $number_of_git_cmds = 0;
 }
 
+our $first_request = 1;
 sub run_request {
        reset_timer();
 
        evaluate_uri();
-       evaluate_gitweb_config();
-       evaluate_git_version();
+       if ($first_request) {
+               evaluate_gitweb_config();
+               evaluate_git_version();
+       }
+       if ($per_request_config) {
+               if (ref($per_request_config) eq 'CODE') {
+                       $per_request_config->();
+               } elsif (!$first_request) {
+                       evaluate_gitweb_config();
+               }
+       }
        check_loadavg();
 
        # $projectroot and $projects_list might be set in gitweb config file
@@ -1142,6 +1158,7 @@ sub evaluate_argv {
 sub run {
        evaluate_argv();
 
+       $first_request = 1;
        $pre_listen_hook->()
                if $pre_listen_hook;
 
@@ -1154,6 +1171,7 @@ sub run {
 
                $post_dispatch_hook->()
                        if $post_dispatch_hook;
+               $first_request = 0;
 
                last REQUEST if ($is_last_request->());
        }
@@ -3651,7 +3669,7 @@ sub git_footer_html {
                print "<div id=\"generating_info\">\n";
                print 'This page took '.
                      '<span id="generating_time" class="time_span">'.
-                     Time::HiRes::tv_interval($t0, [Time::HiRes::gettimeofday()]).
+                     tv_interval($t0, [ gettimeofday() ]).
                      ' seconds </span>'.
                      ' and '.
                      '<span id="generating_cmd">'.
@@ -5517,7 +5535,7 @@ sub git_blame_common {
                print 'END';
                if (defined $t0 && gitweb_check_feature('timed')) {
                        print ' '.
-                             Time::HiRes::tv_interval($t0, [Time::HiRes::gettimeofday()]).
+                             tv_interval($t0, [ gettimeofday() ]).
                              ' '.$number_of_git_cmds;
                }
                print "\n";