diff -Nru libconfig-model-dpkg-perl-2.156/debian/changelog libconfig-model-dpkg-perl-2.157/debian/changelog
--- libconfig-model-dpkg-perl-2.156/debian/changelog	2022-01-21 17:19:59.000000000 +0000
+++ libconfig-model-dpkg-perl-2.157/debian/changelog	2022-02-06 14:52:08.000000000 +0000
@@ -1,3 +1,13 @@
+libconfig-model-dpkg-perl (2.157) unstable; urgency=medium
+
+  * fix update-my-copyright-year script: do not duplicate current year.
+    Thanks to gregoa for the bug report (Closes: #1004206)
+  * fix update-my-copyright-year: avoid spurious change notification
+  * copyright: update my copyright year with cme in dogfooding mode
+  * control: update cme build dep version
+
+ -- Dominique Dumont <dod@debian.org>  Sun, 06 Feb 2022 15:52:08 +0100
+
 libconfig-model-dpkg-perl (2.156) unstable; urgency=medium
 
   * fix "cme run update-my-copyright-year" script
diff -Nru libconfig-model-dpkg-perl-2.156/debian/control libconfig-model-dpkg-perl-2.157/debian/control
--- libconfig-model-dpkg-perl-2.156/debian/control	2022-01-21 17:19:59.000000000 +0000
+++ libconfig-model-dpkg-perl-2.157/debian/control	2022-02-06 14:52:08.000000000 +0000
@@ -6,7 +6,7 @@
 Priority: optional
 Build-Depends: debhelper-compat (= 13),
                libmodule-build-perl
-Build-Depends-Indep: cme <!nocheck>,
+Build-Depends-Indep: cme (>= 1.037) <!nocheck>,
                      dh-sequence-bash-completion,
                      libapp-cmd-perl <!nocheck>,
                      libparse-debcontrol-perl,
diff -Nru libconfig-model-dpkg-perl-2.156/debian/copyright libconfig-model-dpkg-perl-2.157/debian/copyright
--- libconfig-model-dpkg-perl-2.156/debian/copyright	2022-01-21 17:19:59.000000000 +0000
+++ libconfig-model-dpkg-perl-2.157/debian/copyright	2022-02-06 14:52:08.000000000 +0000
@@ -5,11 +5,11 @@
  parts of Config::Model
 
 Files: *
-Copyright: 2005-2019, Dominique Dumont <dod@debian.org>
+Copyright: 2005-2022, Dominique Dumont <dod@debian.org>
 License: LGPL-2.1+
 
 Files: lib/Dpkg/Copyright/Scanner.pm
-Copyright: 2014-2019, Dominique Dumont <dod@debian.org>
+Copyright: 2014-2022, Dominique Dumont <dod@debian.org>
  2005-2012, Jonas Smedegaard <dr@jones.dk>
 License: LGPL-2.1+
 Comment: Jonas has allowed me to relicense some GPL code copied from licensecheck2deb.
diff -Nru libconfig-model-dpkg-perl-2.156/lib/Config/Model/scripts/update-my-copyright-year libconfig-model-dpkg-perl-2.157/lib/Config/Model/scripts/update-my-copyright-year
--- libconfig-model-dpkg-perl-2.156/lib/Config/Model/scripts/update-my-copyright-year	2022-01-21 17:19:59.000000000 +0000
+++ libconfig-model-dpkg-perl-2.157/lib/Config/Model/scripts/update-my-copyright-year	2022-02-06 14:52:08.000000000 +0000
@@ -1,18 +1,29 @@
 doc: update the copyright years that match $DEBFULLNAME
 
 app: dpkg-copyright
---- var
-my @l = localtime; $var{year} = $l[5]+1900;
-$var{oldyear} = $var{year} - 1;
----
 
-# $year can be overridden by command arguments
---- load
-# add the new year
-Files:~ Copyright=~"s/(\d+),?\s+$DEBFULLNAME/$1, $year, $DEBFULLNAME/g"
-# create ranges with new year when needed
-Files:~ Copyright=~"s/-$oldyear,\s*$year,?\s+$DEBFULLNAME/-$year, $DEBFULLNAME/g"
-Files:~ Copyright=~"s/$oldyear,\s*$year,?\s+$DEBFULLNAME/$oldyear-$year, $DEBFULLNAME/g"
+--- code
+my @l = localtime;
+my $year = $l[5]+1900;
+my $oldyear = $year - 1;
+my $name = $ENV{DEBFULLNAME};
+
+# $root is provided by App::Cme::Command::run
+foreach my $file_node ($root->fetch_element('Files')->fetch_all) {
+    my $cop = $file_node->fetch_element_value('Copyright');
+
+    # append current year
+    $cop =~ s/(\d+),?\s+$name/$1, $year, $name/g;
+
+    # suppress duplicate current year (for idempotency)
+    $cop =~ s/$year, $year/$year/g;
+
+    # create ranges with new year when needed
+    $cop =~ s/-$oldyear,\s*$year,?\s+$name/-$year, $name/g;
+    $cop =~ s/$oldyear,\s*$year,?\s+$name/$oldyear-$year, $name/g;
+
+    $file_node->store_element_value(Copyright => $cop);
+}
 ---
 
 commit: updated copyright year of $DEBFULLNAME
diff -Nru libconfig-model-dpkg-perl-2.156/t/cme-scripts.t libconfig-model-dpkg-perl-2.157/t/cme-scripts.t
--- libconfig-model-dpkg-perl-2.156/t/cme-scripts.t	2022-01-21 17:19:59.000000000 +0000
+++ libconfig-model-dpkg-perl-2.157/t/cme-scripts.t	2022-02-06 14:52:08.000000000 +0000
@@ -100,6 +100,7 @@
     my $current_year = $l[5]+1900 ;
     my $old_year = $current_year - 1;
     $cop_lines =~ s/OLDYEAR/$old_year/eg;
+    $cop_lines =~ s/CURRENT_YEAR/$current_year/eg;
 
     # put copyright data in place
     $debian_dir->child("copyright")->spew_utf8($cop_lines);
@@ -118,6 +119,9 @@
     my $new_cop = <<"EOF";
 Copyright: 2015-$current_year, Dominique Dumont
  2015, $current_year, Dominique Dumont
+ $current_year, Dominique Dumont
+ 2014-$current_year, Dominique Dumont
+ 2015,$current_year, Dominique Dumont
  $old_year-$current_year, Dominique Dumont
  2010, 2015, $current_year, Dominique Dumont
  2015-2017, $old_year-$current_year, Dominique Dumont
diff -Nru libconfig-model-dpkg-perl-2.156/t/examples/config-model-systemd/copyright libconfig-model-dpkg-perl-2.157/t/examples/config-model-systemd/copyright
--- libconfig-model-dpkg-perl-2.156/t/examples/config-model-systemd/copyright	2022-01-21 17:19:59.000000000 +0000
+++ libconfig-model-dpkg-perl-2.157/t/examples/config-model-systemd/copyright	2022-02-06 14:52:08.000000000 +0000
@@ -6,6 +6,9 @@
 Files: *
 Copyright: 2015-OLDYEAR, Dominique Dumont
  2015, Dominique Dumont
+ CURRENT_YEAR, Dominique Dumont
+ 2014-CURRENT_YEAR, Dominique Dumont
+ 2015,CURRENT_YEAR, Dominique Dumont
  OLDYEAR, Dominique Dumont
  2010, 2015, Dominique Dumont
  2015-2017, OLDYEAR, Dominique Dumont