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[OSSTEST,v2,32/41] adhoc-revtuple-generator: Fix an undef warning in a debug print

Message ID 20200731113820.5765-33-ian.jackson@eu.citrix.com (mailing list archive)
State New, archived
Headers show
Series Performance work | expand

Commit Message

Ian Jackson July 31, 2020, 11:38 a.m. UTC 
$parents might be undef here.

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
---
New in v2.
---
 adhoc-revtuple-generator | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/adhoc-revtuple-generator b/adhoc-revtuple-generator
index c8d6f4ad..ec33305a 100755
--- a/adhoc-revtuple-generator
+++ b/adhoc-revtuple-generator
@@ -463,7 +463,7 @@  sub coalesce {
 	$out->{$node}{Date}= $explode_date;
 	my $parents= $graphs[$explode_i]{ $node[$explode_i] }{Parents};
 	print DEBUG "#$explode_i $explode_isearliest".
-            " $explode_date  x".scalar(@$parents)."\n";
+            " $explode_date  x".($parents ? scalar(@$parents) : "-")."\n";
 
 	foreach my $subparent (@$parents) {
 	    $node[$explode_i]= $subparent;