Have copyright.pl skip updating something that is just the current year,

to avoid producing dups, e.g. 2012-2012

Backpatch to 9.2.

diff --git a/src/tools/copyright.pl b/src/tools/copyright.pl
index 5911586b8e4f03bff8a9ba01a2671ca6b419f940..52a7cb16cc69a29d0b355758d1dbeb775c61f231 100755 (executable)
--- a/src/tools/copyright.pl
+++ b/src/tools/copyright.pl
@@ -48,6 +48,10 @@ sub wanted
                # We only care about lines with a copyright notice.
                next unless $line =~ m/$cc.*$pgdg/;
 
+               # Skip line if already matches the current year; if not
+               # we get $year-$year, e.g. 2012-2012
+               next if $line =~ m/$cc$year, $pgdg/;
+
                # We process all lines because some files have copyright
                # strings embedded in them, e.g. src/bin/psql/help.c
                $line =~ s/($cc\d{4})(, $pgdg)/$1-$year$2/;