From 91b8ecfb634a324e788783acd3c9dd43f7e22f57 Mon Sep 17 00:00:00 2001
From: Joseph Schorr <jschorr@gmail.com>
Date: Fri, 12 Sep 2014 14:01:10 -0400
Subject: [PATCH] Fix broken regex for Dockerfile parsing

---
 tools/reparsedockerfile.py | 18 ++++++++++++++++++
 util/dockerfileparse.py    |  2 +-
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 tools/reparsedockerfile.py

diff --git a/tools/reparsedockerfile.py b/tools/reparsedockerfile.py
new file mode 100644
index 000000000..19dce6cd4
--- /dev/null
+++ b/tools/reparsedockerfile.py
@@ -0,0 +1,18 @@
+from util.dockerfileparse import parse_dockerfile, ParsedDockerfile, serialize_dockerfile
+
+with open('Dockerfile.test', 'r') as dockerfileobj:
+  parsed_dockerfile = parse_dockerfile(dockerfileobj.read())
+
+quay_reponame = 'something'
+env_command = {
+  'command': 'ENV',
+  'parameters': 'QUAY_REPOSITORY %s' % quay_reponame
+}
+
+for index, command in reversed(list(enumerate(parsed_dockerfile.commands))):
+  if command['command'] == 'FROM':
+    new_command_index = index + 1
+    parsed_dockerfile.commands.insert(new_command_index, env_command)
+    break
+
+print serialize_dockerfile(parsed_dockerfile)
diff --git a/util/dockerfileparse.py b/util/dockerfileparse.py
index cabaf6b16..398673a5d 100644
--- a/util/dockerfileparse.py
+++ b/util/dockerfileparse.py
@@ -1,6 +1,6 @@
 import re
 
-LINE_CONTINUATION_REGEX = re.compile('\s*\\\s*\n')
+LINE_CONTINUATION_REGEX = re.compile(r'(\s)*\\(\s)*\n')
 COMMAND_REGEX = re.compile('([A-Za-z]+)\s(.*)')
 
 COMMENT_CHARACTER = '#'