35 def CreateBranch(repo, branch):  argument
36     """Creates a branch in the given repo.
39       repo: The absolute path to the repo.
43       ValueError: Failed to create a repo in that directory.
46     if not os.path.isdir(repo):
47         raise ValueError("Invalid directory path provided: %s" % repo)
49     subprocess.check_output(["git", "-C", repo, "reset", "HEAD", "--hard"])
51     subprocess.check_output(["repo", "start", branch], cwd=repo)
54 def DeleteBranch(repo, branch):  argument
55     """Deletes a branch in the given repo.
58       repo: The absolute path of the repo.
62       ValueError: Failed to delete the repo in that directory.
65     if not os.path.isdir(repo):
66         raise ValueError("Invalid directory path provided: %s" % repo)
68     subprocess.check_output(["git", "-C", repo, "checkout", "cros/main"])
70     subprocess.check_output(["git", "-C", repo, "reset", "HEAD", "--hard"])
72     subprocess.check_output(["git", "-C", repo, "branch", "-D", branch])
75 def UploadChanges(repo, branch, commit_messages, reviewers=None, cc=None):  argument
76     """Uploads the changes in the specifed branch of the given repo for review.
79       repo: The absolute path to the repo where changes were made.
95     if not os.path.isdir(repo):
96         raise ValueError("Invalid path provided: %s" % repo)
103         subprocess.check_output(["git", "commit", "-F", f.name], cwd=repo)
107         "repo",
121         cwd=repo,