From 270cdb056c6807073861317ec256052b2c830fce Mon Sep 17 00:00:00 2001
From: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Date: Tue, 15 Jan 2013 13:24:11 +0200
Subject: [PATCH] Implement pull subcommand

For updating a git repository representing a package managed with gbs.

Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
---
 gitbuildsys/cmd_pull.py | 66 +++++++++++++++++++++++++++++++++++++++++++++++++
 tools/gbs               | 17 +++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 gitbuildsys/cmd_pull.py

diff --git a/gitbuildsys/cmd_pull.py b/gitbuildsys/cmd_pull.py
new file mode 100644
index 0000000..4f9b365
--- /dev/null
+++ b/gitbuildsys/cmd_pull.py
@@ -0,0 +1,66 @@
+#!/usr/bin/python -tt
+# vim: ai ts=4 sts=4 et sw=4
+#
+# Copyright (c) 2013 Intel, Inc.
+#
+# This program 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; version 2 of the License
+#
+# This program 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 program; if not, write to the Free Software Foundation, Inc., 59
+# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+"""Implementation of subcmd: pull
+"""
+
+from gitbuildsys.conf import configmgr
+from gitbuildsys.errors import GbsError
+from gitbuildsys.log import LOGGER as log
+from gitbuildsys.log import waiting
+
+from gbp.scripts.pull import main as gbp_pull
+
+
+@waiting
+def do_pull(*args, **kwargs):
+    """Wrapper for gbp-pull, prints a progress indicator"""
+    return gbp_pull(*args, **kwargs)
+
+def main(args):
+    """gbs export entry point."""
+
+    # Determine upstream branch
+    if args.upstream_branch:
+        upstream_branch = args.upstream_branch
+    else:
+        upstream_branch = configmgr.get('upstream_branch', 'general')
+
+    # Construct GBP cmdline arguments
+    gbp_args = ['dummy argv[0]',
+                '--color-scheme=magenta:green:yellow:red',
+                '--pristine-tar',
+                '--upstream-branch=%s' % upstream_branch,
+                '--packaging-branch=master']
+    if args.depth:
+        gbp_args.append('--depth=%s' % args.depth)
+    if args.force:
+        gbp_args.append('--force=clean')
+    if args.debug:
+        gbp_args.append("--verbose")
+
+    # Clone
+    log.info('updating from remote')
+    ret = do_pull(gbp_args)
+    if ret == 2:
+        raise GbsError('Failed to update some of the branches!')
+    elif ret:
+        raise GbsError('Update failed!')
+
+    log.info('finished')
+
diff --git a/tools/gbs b/tools/gbs
index 3571df4..6b573ac 100755
--- a/tools/gbs
+++ b/tools/gbs
@@ -397,6 +397,23 @@ def clone_parser(parser):
     parser.set_defaults(alias="cl")
     return parser
 
+@subparser
+def pull_parser(parser):
+    """Update a package git repository
+    Examples:
+      $ gbs pull
+      $ gbs pull --upstream-branch=orig
+    """
+
+    parser.add_argument('--upstream-branch', default='upstream',
+                        help='upstream branch')
+    parser.add_argument('--depth',
+                        help='git history depth, for creating shallow clones')
+    parser.add_argument('--force', action='store_true',
+                        help='force branch update even if unable to '
+                            'fast-forward, WARNING: local changes may be lost')
+    return parser
+
 def main(argv):
     """Script entry point."""
 
-- 
2.7.4