From: Robin Wittler <robin.wittler@profitbricks.com>
Date: Wed, 3 Aug 2011 12:53:42 +0000 (+0200)
Subject: add check
X-Git-Url: https://git.uhu-banane.de/?a=commitdiff_plain;h=752d7dcc337f8fd8a17d3d640434fdedbb642def;p=profitbricks%2Fjenkins-build-scripts.git

add check
---

diff --git a/lib/git_helper.py b/lib/git_helper.py
index 771e6e0..779b57f 100644
--- a/lib/git_helper.py
+++ b/lib/git_helper.py
@@ -72,6 +72,8 @@ def git_clone_remote_repository(url, destination):
 def git_new_branch_from(branch_name, from_branch):
     if git_repo_has_branch(branch_name):
         raise BranchExistError(branch_name)
+    if not git_repo_has_branch(from_branch):
+        raise BranchNotExistError(from_branch)
     cmd = [GIT, 'checkout', '-b', branch_name, from_branch]
 
     cmdobj = subprocess.Popen(