Manifest.txt in sup-1.1 vs Manifest.txt in sup-1.2

@@ -21,10 +21,30 @@
 bin/sup-sync-back-maildir
 bin/sup-tweak-labels
 contrib/colorpicker.rb
 contrib/completion/_sup.bash
 contrib/completion/_sup.zsh
+contrib/nix/Gemfile
+contrib/nix/Gemfile.lock
+contrib/nix/README
+contrib/nix/gem-install-shell.nix
+contrib/nix/gemset.nix
+contrib/nix/ruby2.4-Gemfile.lock
+contrib/nix/ruby2.4-gemset.nix
+contrib/nix/ruby2.4-shell.nix
+contrib/nix/ruby2.5-Gemfile.lock
+contrib/nix/ruby2.5-gemset.nix
+contrib/nix/ruby2.5-shell.nix
+contrib/nix/ruby2.6-Gemfile.lock
+contrib/nix/ruby2.6-gemset.nix
+contrib/nix/ruby2.6-shell.nix
+contrib/nix/ruby2.7-shell.nix
+contrib/nix/ruby3.0-shell.nix
+contrib/nix/ruby3.1-shell.nix
+contrib/nix/ruby3.2-shell.nix
+contrib/nix/ruby3.3-shell.nix
+contrib/nix/test-all-rubies.sh
 devel/console.sh
 devel/count-loc.sh
 devel/load-index.rb
 devel/profile.rb
 devel/start-console.rb
@@ -98,10 +118,11 @@
 lib/sup/util/ncurses.rb
 lib/sup/util/path.rb
 lib/sup/util/query.rb
 lib/sup/util/uri.rb
 lib/sup/version.rb
+shell.nix
 sup.gemspec
 test/dummy_source.rb
 test/fixtures/bad-content-transfer-encoding-1.eml
 test/fixtures/binary-content-transfer-encoding-2.eml
 test/fixtures/blank-header-fields.eml
@@ -131,9 +152,10 @@
 test/gnupg_test_home/secring.gpg
 test/gnupg_test_home/[e-mail]
 test/integration/test_maildir.rb
 test/integration/test_mbox.rb
 test/integration/test_sup-add.rb
+test/integration/test_sup-sync-back-maildir.rb
 test/test_crypto.rb
 test/test_header_parsing.rb
 test/test_helper.rb
 test/test_message.rb
 test/test_messages_dir.rb