1 files changed, 121 insertions, 0 deletions
diff --git a/releases/scripts/repos.py b/releases/scripts/repos.py
new file mode 100644
index 000000000..91c4e9300
--- /dev/null
+++ b/releases/scripts/repos.py
@@ -0,0 +1,121 @@
+#!/usr/bin/env python2
+# SPDX-License-Identifier: Apache-2.0
+##############################################################################
+# Copyright (c) 2018 The Linux Foundation and others.
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+"""
+List Release Repos
+"""
+
+import argparse
+import yaml
+
+
+class Repo(object):
+    """Object representing a repo listed in the release file.
+
+    Includes eq, hash, and ne methods so set comparisons work
+    """
+
+    def __init__(self, repo=None, ref=None, version=None):
+        self.repo = repo
+        self.ref = ref
+        self.version = version
+
+    def __repr__(self):
+        if self.version:
+            return "%s %s %s" % (self.repo, self.ref, self.version)
+        elif self.ref:
+            return "%s %s" % (self.repo, self.ref)
+        return "%s" % self.repo
+
+    def __eq__(self, obj):
+        if isinstance(obj, Repo):
+            return ((self.repo == obj.repo) and
+                    (self.ref == obj.ref) and
+                    (self.version == obj.version))
+        return False
+
+    def __ne__(self, obj):
+        return (not self.__eq__(obj))
+
+    def __hash__(self):
+        return hash(self.__repr__())
+
+
+def main():
+    """Given a release yamlfile list the repos it contains"""
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--file', '-f',
+                        type=argparse.FileType('r'),
+                        required=True)
+    parser.add_argument('--names', '-n',
+                        action='store_true',
+                        default=False,
+                        help="Only print the names of repos, "
+                             "not their SHAs")
+    parser.add_argument('--release', '-r',
+                        type=str,
+                        help="Only print"
+                             "SHAs for the specified release")
+    parser.add_argument('--branches', '-b',
+                        action='store_true',
+                        default=False,
+                        help="Print Branch info")
+
+    args = parser.parse_args()
+
+    project = yaml.safe_load(args.file)
+
+    if args.branches:
+        list_branches(project, args)
+    else:
+        list_repos(project, args)
+
+
+def list_repos(project, args):
+    """List repositories in the project file"""
+
+    lookup = project.get('releases', [])
+
+    if 'releases' not in project:
+        exit(0)
+    repos = set()
+    for item in lookup:
+        repo, ref = next(iter(item['location'].items()))
+        if args.names:
+            repos.add(Repo(repo))
+        elif args.release and item['version'] == args.release:
+            repos.add(Repo(repo, ref))
+        elif not args.release:
+            repos.add(Repo(repo, item['version'], ref))
+    for repo in repos:
+        print(repo)
+
+
+def list_branches(project, args):
+    """List branches in the project file"""
+
+    lookup = project.get('branches', [])
+
+    if 'branches' not in project:
+        exit(0)
+    repos = set()
+    for item in lookup:
+        repo, ref = next(iter(item['location'].items()))
+        if args.names:
+            repos.add(Repo(repo))
+        elif args.release and item['name'] == args.release:
+            repos.add(Repo(repo, ref))
+        elif not args.release:
+            repos.add(Repo(repo, item['name'], ref))
+    for repo in repos:
+        print(repo)
+
+if __name__ == "__main__":
+    main()