config: add new parameter "commit-update-summary" to core section

When set to true, the summary file is automatically updated after
a commit.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

tests/test-auto-summary.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+#
+# Copyright (C) 2011 Colin Walters <walters@verbum.org>
+# Copyright (C) 2015 Red Hat, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+set -e
+
+echo "1..1"
+
+. $(dirname $0)/libtest.sh
+
+setup_test_repository "bare"
+echo "ok setup"
+
+mkdir test
+
+echo hello > test/a
+
+${CMD_PREFIX} $OSTREE commit -b test -s "A commit" test
+echo "ok commit 1"
+
+${CMD_PREFIX} $OSTREE summary --update
+
+OLD_MD5=$(md5sum repo/summary)
+
+echo hello2 > test/a
+
+${CMD_PREFIX} $OSTREE commit -b test -s "Another commit" test
+echo "ok commit 2"
+
+assert_streq $OLD_MD5 $(md5sum repo/summary)
+
+${CMD_PREFIX} $OSTREE --repo=repo config set core.commit-update-summary true
+
+echo hello3 > test/a
+
+${CMD_PREFIX} $OSTREE commit -b test -s "Another commit..." test
+echo "ok commit 3"
+
+assert_not_streq $OLD_MD5 $(md5sum repo/summary)