# HG changeset patch
# User Jim Meyering <meyering@redhat.com>
# Date 1249372384 -7200
# Node ID 9deb84e458cbe74fec58d3a5ca7836f18709a76b
# Parent  43cf918c545e5b9bdf1a67c63d9ea83d31fb37f0
maint.mk: add a copyright-updating rule

* top/maint.mk (update-copyright): New rule.
Derived from coreutils/Makefile.am.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2009-08-04  Jim Meyering  <meyering@redhat.com>
 
+	maint.mk: add a copyright-updating rule
+	* top/maint.mk (update-copyright): New rule.
+	Derived from coreutils/Makefile.am.
+
 	update-copyright: rename some variables
 	* build-aux/update-copyright: Rename a few variables for clarity.
 	Tweak syntax.  List Joel E. Denny as coauthor.
diff --git a/top/maint.mk b/top/maint.mk
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -771,3 +771,10 @@
 .PHONY: indent
 indent:
 	indent $(INDENT_SOURCES)
+
+# Run this rule once per year (usually early in January)
+# to update all FSF copyright year lists in your project.
+.PHONY: update-copyright
+update-copyright:
+	grep -l -w Copyright $$($(VC_LIST_EXCEPT))		\
+	  | xargs $(build_aux)/$@