Add checkout command.
Teach repo how to checkout a branch in all projects or a list
of specific projects.
Bug: REPO-21
diff --git a/subcmds/checkout.py b/subcmds/checkout.py
new file mode 100644
index 0000000..7ce9d34
--- /dev/null
+++ b/subcmds/checkout.py
@@ -0,0 +1,45 @@
+#
+# Copyright (C) 2009 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+from command import Command
+
+class Checkout(Command):
+ common = True
+ helpSummary = "Checkout a branch for development"
+ helpUsage = """
+%prog <branchname> [<project>...]
+
+This subcommand checks out an existing branch and
+is equivalent to the following git command run on
+every project or the list of specified projects:
+
+"git checkout <branchname>"
+"""
+
+ def Execute(self, opt, args):
+ if not args:
+ self.Usage()
+
+ retValue = 0;
+
+ branch = args[0]
+ for project in self.GetProjects(args[1:]):
+ if not project.CheckoutBranch(branch):
+ retValue = 1;
+ print >>sys.stderr, "error: checking out branch '%s' in %s failed" % (branch, project.name)
+
+ if (retValue != 0):
+ sys.exit(retValue);