Be smarter --- accept missing comma, and force comma if missing.

diff --git a/src/tools/copyright b/src/tools/copyright
index 5918c3d00f75b569f5bedd080abb20e035ea143d..bc71626e69a1f5f4099039d84e546e201f224b48 100755 (executable)
--- a/src/tools/copyright
+++ b/src/tools/copyright
@@ -6,9 +6,9 @@ echo "Using current year:  `date '+%Y'`"
 
 rgrep -l 'Copyright.*PostgreSQL Global Development Group' | while read FILE
 do
-       pipe sed 's/^\(.*Copyright (c) [12][0-9][0-9][0-9]\) \?- \?[12][0-9][0-9][0-9]\(,\? PostgreSQL Global Development Group.*\)$/\1-'`date '+%Y'`'\2/' $FILE
+       pipe sed 's/^\(.*Copyright (c) [12][0-9][0-9][0-9]\) \?- \?[12][0-9][0-9][0-9] \?,\?\( PostgreSQL Global Development Group.*\)$/\1-'`date '+%Y'`',\2/' $FILE
        # handle cases where only one year appears
-       pipe sed 's/^\(.*Copyright (c) [12][0-9][0-9][0-9]\) \?\(,\? PostgreSQL Global Development Group.*\)$/\1-'`date '+%Y'`'\2/' $FILE
+       pipe sed 's/^\(.*Copyright (c) [12][0-9][0-9][0-9]\) \?,\?\( PostgreSQL Global Development Group.*\)$/\1-'`date '+%Y'`',\2/' $FILE
 done
 
 echo "Manually update doc/src/sgml/legal.sgml and src/interfaces/libpq/libpq.rc.in too" 1>&2