Logging stderr

smart.cmake

@@ -31,7 +31,21 @@ do( '@MARS_NWE_INSTALL_FULL_CONFDIR@/smart.conf' )
 	or die "Could not load @MARS_NWE_INSTALL_FULL_CONFDIR@/smart.conf: $@ $!";
 
 close( STDERR );
-open( STDERR, '>>' . $smart_log_path )
+
+# Prefix all raw STDERR from helper tools with timestamp/component before it
+# reaches smart.log.  This also catches output from nwbols/nwbpset/nwpasswd
+# and systemctl warnings.
+my $smart_stderr_filter = "perl -MPOSIX=strftime -ne 'chomp; " .
+	"my \\$v=\\$ENV{SMART_VERSION}||q{0.99.pl28}; " .
+	"my \\$f=\\$ENV{SMART_LOG_FILE}||q{stderr}; " .
+	"print strftime(q{[%Y-%m-%d %H:%M:%S]}, localtime), qq{ [ERROR] [SMArT \\$v] [\\$f] \\$_\\n};' >> " .
+	quotemeta( $smart_log_path );
+
+$ENV{SMART_VERSION} = defined( $smart_version ) && $smart_version ne '' ? $smart_version : '0.99.pl28';
+$ENV{SMART_LOG_FILE} = 'stderr';
+
+open( STDERR, '|-', $smart_stderr_filter )
+	or open( STDERR, '>>' . $smart_log_path )
 	or die "Could not open $smart_log_path: $!";
 
 $ENV{HOME} = '@MARS_NWE_INSTALL_FULL_CONFDIR@';