1 files changed, 15 insertions, 3 deletions
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 81dacf2b6..5afa6edc4 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -661,13 +661,25 @@ sub read_config_file {
 	return;
 }
 
-our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM);
+our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM, $GITWEB_CONFIG_COMMON);
 sub evaluate_gitweb_config {
 	our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 	our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "++GITWEB_CONFIG_SYSTEM++";
+	our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "++GITWEB_CONFIG_COMMON++";
 
-	# use first config file that exists
-	read_config_file($GITWEB_CONFIG) or
+	# Protect agains duplications of file names, to not read config twice.
+	# Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so
+	# there possibility of duplication of filename there doesn't matter.
+	$GITWEB_CONFIG = ""        if ($GITWEB_CONFIG eq $GITWEB_CONFIG_COMMON);
+	$GITWEB_CONFIG_SYSTEM = "" if ($GITWEB_CONFIG_SYSTEM eq $GITWEB_CONFIG_COMMON);
+
+	# Common system-wide settings for convenience.
+	# Those settings can be ovverriden by GITWEB_CONFIG or GITWEB_CONFIG_SYSTEM.
+	read_config_file($GITWEB_CONFIG_COMMON);
+
+	# Use first config file that exists.  This means use the per-instance
+	# GITWEB_CONFIG if exists, otherwise use GITWEB_SYSTEM_CONFIG.
+	read_config_file($GITWEB_CONFIG) and return;
 	read_config_file($GITWEB_CONFIG_SYSTEM);
 }