Add basic support for installing CORE Office (aka. Fannie)

plus various other things, to that end

rattail_fabric2/composer.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2019 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail 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 3 of the License, or (at your option) any later
+#  version.
+#
+#  Rattail 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
+#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+Fabric lib for Composer (PHP dependency manager)
+"""
+
+from __future__ import unicode_literals, absolute_import
+
+from rattail_fabric2 import make_deploy, exists
+
+
+deploy = make_deploy(__file__)
+
+
+def install_globally(c):
+    """
+    Install `composer.phar` in global location
+    """
+    if not exists(c, '/usr/local/bin/composer.phar'):
+        deploy(c, 'composer/install-composer.sh', '/tmp/install-composer.sh', mode='0700', use_sudo=True)
+        c.sudo("bash -c 'cd /usr/local/bin; /tmp/install-composer.sh'")
+        c.sudo('rm /tmp/install-composer.sh')