--- loncom/build/system_dependencies/perltest.pl	2003/08/22 19:56:02	1.11
+++ loncom/build/system_dependencies/perltest.pl	2003/08/22 20:48:38	1.12
@@ -2,7 +2,7 @@
 
 # perltest.pl - script to test the status of perl modules on a LON-CAPA system
 #
-# $Id: perltest.pl,v 1.11 2003/08/22 19:56:02 albertel Exp $
+# $Id: perltest.pl,v 1.12 2003/08/22 20:48:38 albertel Exp $
 #
 ###
 
@@ -158,7 +158,7 @@ Foundation, Inc., 59 Temple Place, Suite
 =cut
 
 # =================================== Process version information of this file.
-my $VERSION = sprintf("%d.%02d", q$Revision: 1.11 $ =~ /(\d+)\.(\d+)/);
+my $VERSION = sprintf("%d.%02d", q$Revision: 1.12 $ =~ /(\d+)\.(\d+)/);
 
 # ========================== Determine the mode that this script should run in.
 my $mode;
@@ -325,10 +325,12 @@ my @dev_missing;
 my @dev_outdated;
 my @dev_okay;
 my @dev_veryokay;
+my @dev_to_update;
 my @stable_missing;
 my @stable_outdated;
 my @stable_okay;
 my @stable_veryokay;
+my @stable_to_update;
 
 # ===== Loop through all of the needed CPAN distributions and probe the system.
 foreach my $dist (keys %dist_module_hash) {
@@ -339,44 +341,48 @@ foreach my $dist (keys %dist_module_hash
     my ($vok,$vstr);
     foreach my $type ('dev','stable') {
 	my ($vers_mod,$vers_dist);
-	my ($missing_ref,$outdated_ref,$veryokay_ref,$okay_ref);
+	my ($missing,$outdated,$veryokay,$okay,$to_update);
 	if ($type eq 'dev') {
 	    $vers_mod=$module_dev_version_hash{$module};
 	    $vers_dist=$dist_dev_version_hash{$dist};
-	    ($missing_ref,$outdated_ref,$veryokay_ref,$okay_ref)=
-		(\@dev_missing,\@dev_outdated,\@dev_veryokay,\@dev_okay);
+	    ($missing,$outdated,$veryokay,$okay,$to_update)=
+		(\@dev_missing,\@dev_outdated,\@dev_veryokay,\@dev_okay,
+		 \@dev_to_update);
 	} elsif ($type eq 'stable') {
 	    $vers_mod=$module_stable_version_hash{$module};
 	    $vers_dist=$dist_stable_version_hash{$dist};
-	    ($missing_ref,$outdated_ref,$veryokay_ref,$okay_ref)=
+	    ($missing,$outdated,$veryokay,$okay,$to_update)=
 		(\@stable_missing,\@stable_outdated,\@stable_veryokay,
-		 \@stable_okay);
+		 \@stable_okay,\@stable_to_update);
 	}
 	($vok,$vstr) = have_vers($module,$vers_mod);
 	# print "fsflag: $fsflag, vok: $vok, vstr: $vstr, fs: $fs\n";
 	if ($fsflag and !$vok and $vstr=~/not found/) {
-	    push(@$missing_ref,'MISSING  '.$dist.' (want distribution '.
+	    push(@$missing,'MISSING  '.$dist.' (want distribution '.
 		 $module.' version '. $vers_dist.') ?'."\n");
+	    push(@$to_update,$dist);
 	    # The question mark indicates there was a pattern match in the
 	    # big_module_string which would be unexpected.
 	    # There is no usual reason to tell the normal LON-CAPA user about this
 	    # question mark.  This is just source code magic.
 	} elsif (!$fsflag and !$vok and $vstr=~/not found/) {
-	    push(@$missing_ref,'MISSING  '.$dist.' (want distribution '.
+	    push(@$missing,'MISSING  '.$dist.' (want distribution '.
 		 $module.' version '.$vers_dist.')'."\n");
+	    push(@$to_update,$dist);
 	} elsif ($fsflag and !$vok and $vstr!~/not found/) {
-	    push(@$outdated_ref,'OUTDATED '.$dist.' wanted module: v'.
+	    push(@$outdated,'OUTDATED '.$dist.' wanted module: v'.
 		 $vers_mod.'; '.$vstr.' (VERSION_FROM is '.
 		 $fs.') want dist '.$module.' version '.$vers_dist.'.'. "\n");
+	    push(@$to_update,$dist);
 	} elsif ($fsflag) {
 	    $vstr=~/found v(.*)/;
 	    my $vc=$1;
 	    if ($vc eq $vers_mod) {
-		push(@$veryokay_ref,'VERYOKAY '.$dist.' wanted: v'.
+		push(@$veryokay,'VERYOKAY '.$dist.' wanted: v'.
 		     $vers_mod.'; '.$vstr.' (VERSION_FROM is '.$fs.
 		     ') want dist '.$module.' version '.$vers_dist."\n");
 	    } else {
-		push(@$okay_ref,'OKAY     '.$dist.' wanted: v'.
+		push(@$okay,'OKAY     '.$dist.' wanted: v'.
 		     $vers_mod.'; '.$vstr.' (VERSION_FROM is '.$fs.').'."\n");
 	    }
 	}
@@ -509,6 +515,29 @@ if ($mode eq "html")
 END
   }
 
+if ($mode =~ /^update(dev|stable)$/) {
+    use CPAN;
+    my $type=$1;
+    print $detailstream 'Attempting to do a '.$type.' update'."\n";
+    my $to_update;
+    if ($type eq 'dev') {
+	$to_update=\@dev_to_update;
+    } elsif ($type eq 'stable') {
+	$to_update=\@stable_to_update;
+    }
+    foreach my $dist (@$to_update) {
+	my $module=$dist_module_hash{$dist};
+	my ($vers_mod,$vers_dist);
+	if ($type eq 'dev') {
+	    $vers_mod=$module_dev_version_hash{$module};
+	    $vers_dist=$dist_dev_version_hash{$dist};
+	} elsif ($type eq 'stable') {
+	    $vers_mod=$module_stable_version_hash{$module};
+	    $vers_dist=$dist_stable_version_hash{$dist};
+	}
+	install($module);
+    }
+}
 # ================================================================ Subroutines.
 # Note that "vers_cmp" and "have_vers" are adapted from a bugzilla version 2.16
 # "checksetup.pl" script.