maint: new rule to update copyright year ranges

* Makefile (update-copyright): New rule.

diff --git a/ChangeLog b/ChangeLog
index f16f50d..12e5075 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2011-01-01  Jim Meyering  <meyering@redhat.com>
 
+       maint: new rule to update copyright year ranges
+       * Makefile (update-copyright): New rule.
+
        maint: indent with TABs in Makefile
        * Makefile: Expand leading sequences of spaces to TABs
 

diff --git a/Makefile b/Makefile
index e432e7e..8bccbe8 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 # Makefile for gnulib central.
-# Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2009-2011 Free Software Foundation, Inc.
 #
 # Copying and distribution of this file, with or without modification,
 # in any medium, are permitted without royalty provided the copyright
@@ -53,3 +53,21 @@ regen: MODULES.html
 # where it then appears at <http://www.gnu.org/software/gnulib/MODULES.html>.
 MODULES.html: MODULES.html.sh
        ./MODULES.html.sh > MODULES.html
+
+# Run this rule once per year (usually early in January)
+# to update all FSF copyright year lists here.
+# We exclude the files listed in srclist.txt (maintained elsewhere)
+# as well as those in tests/unictype (generated).
+update-copyright:
+       exempt=$$(mktemp);                                              \
+       grep -v '^#' config/srclist.txt|grep -v '^$$'                   \
+         | while read src dst; do                                      \
+             test -f "$$dst" && { echo "$$dst"; continue; };           \
+             test -d "$$dst" || continue;                              \
+             echo "$$dst"/$$(basename "$$src");                        \
+           done > $$exempt;                                            \
+       git ls-files tests/unictype >> $$exempt;                        \
+       git ls-files | grep -vFf $$exempt                               \
+         | UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79                         \
+           UPDATE_COPYRIGHT_USE_INTERVALS=1                            \
+             xargs build-aux/update-copyright