build: add tag -> changelog -> push script

tag_and_push.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Tag current commit, generate changelog and push to current branch
+#
+# Copyleft 2018 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
+# GPL licensed (see end of file) * Use at your own risk!
+#
+# Usage:
+#
+#  To install to an image using QEMU
+#
+#      ./tag_and_push.sh <tag>
+#
+# More at: https://ownyourbits.com
+#
+
+set -e
+
+TAG="$@"
+ 
+source buildlib.sh
+git tag "$TAG"
+generate_changelog
+git add changelog.md
+git commit -C HEAD --amend
+git tag -f "$TAG"
+git push origin HEAD --tags
+
+# License
+#
+# This script is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This script 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this script; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+# Boston, MA  02111-1307  USA