documentation: help: add "man.<tool>.path" config variable

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 12843a4846563842aef8f0311096794ad70011c3..f83567ec39e8781cc10d3f3f3cb39c7cb6aa11ef 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -369,7 +369,12 @@ sub filter_snapshot_fmts {
 }
 
 our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
-do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
+if (-e $GITWEB_CONFIG) {
+       do $GITWEB_CONFIG;
+} else {
+       our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "++GITWEB_CONFIG_SYSTEM++";
+       do $GITWEB_CONFIG_SYSTEM if -e $GITWEB_CONFIG_SYSTEM;
+}
 
 # version of the core git binary
 our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";