--- gforth/update-copyright	2003/03/09 12:20:27	1.1
+++ gforth/update-copyright	2006/12/31 11:16:13	1.5
@@ -1,4 +1,6 @@
 #bash script
+#usage: update-copyright [--update]
+
 #call this at the end of each year on a GNU system
 
 #Copyright (C) 2003 Free Software Foundation, Inc.
@@ -19,13 +21,21 @@
 #along with this program; if not, write to the Free Software
 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 
-for i in `cvs -q status|grep 'Repository revision:'|sed 's|^.*/usr/local/lib/cvs-repository/src-master/gforth/||'|sed 's/,v$//'`; do
-    echo $i
-    #if grep -q "[0-9]  *Free Software Foundation" $i; then
-#	:
-#    else
-#	: #echo "$i: no copyright"
-#    fi
+for i in `cvs -q status|grep 'Repository revision:'|sed 's|^.*/usr/local/lib/cvs-repository/src-master/gforth/||'|sed 's/,v$//'|fgrep -v -f update-copyright-blacklist`; do
+    if grep -q "[0-9]  *Free Software Foundation" $i; then
+	year=`cvs log -rHEAD $i|grep date: |sed 's/date: //'|sed 's|/.*$||'`
+	if grep "[0-9]  *Free Software Foundation" $i|grep -q $year; then
+	    echo "up-to-date $year: $i"
+	else
+	    if [ x$1 = x--update ]; then
+		sed "s/\([0-9]\)  *Free Software Foundation/\1,$year Free Software Foundation/" $i >update-copyright-tmp
+		cp update-copyright-tmp $i
+	    fi
+	    echo "update to  $year: $i"
+	fi
+    else
+	echo "no copyright:    $i"
+    fi
 done