Bug 349764: Errors print out a whole HTML page, even when we're not in USAGE_MODE_BROWSER

Patch By Max Kanat-Alexander <mkanat@bugzilla.org> r=kevin.benton, a=myk

webtools/bugzilla/Bugzilla/CGI.pm

@@ -37,6 +37,7 @@ use CGI qw(-no_xhtml -oldstyle_urls :private_tempfiles :unique_headers SERVER_PU
 
 use base qw(CGI);
 
+use Bugzilla::Constants;
 use Bugzilla::Error;
 use Bugzilla::Util;
 
@@ -61,10 +62,12 @@ sub new {
 
     my $self = $class->SUPER::new(@args);
 
-    # This happens here so that command-line scripts don't spit out
-    # their errors in HTML format.
-    require CGI::Carp;
-    import CGI::Carp qw(fatalsToBrowser);
+    if (Bugzilla->error_mode eq ERROR_MODE_WEBPAGE) {
+        # This happens here so that command-line scripts don't spit out
+        # their errors in HTML format.
+        require CGI::Carp;
+        import CGI::Carp qw(fatalsToBrowser);
+    }
 
     # Make sure our outgoing cookie list is empty on each invocation
     $self->{Bugzilla_cookie_list} = [];

webtools/bugzilla/template/en/default/global/code-error.html.tmpl

@@ -393,11 +393,9 @@
   [% END %]
 [% END %]
 
-[%# If we are in ERROR_MODE_DIE, we want the error message to be plain text,
-  # not HTML
-%]
+[%# We only want HTML error messages for ERROR_MODE_WEBPAGE %]
 [% USE Bugzilla %]
-[% IF Bugzilla.error_mode == ERROR_MODE_DIE %]
+[% IF Bugzilla.error_mode != ERROR_MODE_WEBPAGE %]
   [% error_message FILTER none %]
   [% RETURN %]
 [% END %]

webtools/bugzilla/template/en/default/global/user-error.html.tmpl

@@ -1475,11 +1475,9 @@
   [% END %]
 [% END %]
 
-[%# If we are in ERROR_MODE_DIE, we want the error message to be plain text,
-  # not HTML
-%]
+[%# We only want HTML error messages for ERROR_MODE_WEBPAGE %]
 [% USE Bugzilla %]
-[% IF Bugzilla.error_mode == ERROR_MODE_DIE %]
+[% IF Bugzilla.error_mode != ERROR_MODE_WEBPAGE %]
   [% error_message FILTER none %]
   [% RETURN %]
 [% END %]