Merge pull request #79 from znerol/feature/master/cmd-output-strip

Add an output_strip kwarg to Git.execute

1 files changed, 8 insertions, 2 deletions

diff --git a/git/cmd.py b/git/cmd.py
index 46a350e8..7abfb611 100644
--- a/git/cmd.py
+++ b/git/cmd.py
@@ -19,7 +19,7 @@ from subprocess import (
 
 execute_kwargs = ('istream', 'with_keep_cwd', 'with_extended_output',
 				  'with_exceptions', 'as_process', 
-				  'output_stream' )
+				  'output_stream', 'output_strip' )
 
 __all__ = ('Git', )
 
@@ -267,6 +267,7 @@ class Git(LazyMixin):
 				with_exceptions=True,
 				as_process=False, 
 				output_stream=None, 
+				output_strip=True,
 				**subprocess_kwargs
 				):
 		"""Handles executing the command on the shell and consumes and returns
@@ -309,6 +310,11 @@ class Git(LazyMixin):
 			This merely is a workaround as data will be copied from the 
 			output pipe to the given output stream directly.
 			
+		:param output_strip:
+			Strip the last line of the output if it is empty (default). Stripping should
+			be disabled whenever it is important that the output is not modified in any
+			way. For example when retrieving patch files using git-diff.
+			
 		:param subprocess_kwargs:
 			Keyword arguments to be passed to subprocess.Popen. Please note that 
 			some of the valid kwargs are already set by this method, the ones you 
@@ -359,7 +365,7 @@ class Git(LazyMixin):
 			if output_stream is None:
 				stdout_value, stderr_value = proc.communicate() 
 				# strip trailing "\n"
-				if stdout_value.endswith("\n"):
+				if stdout_value.endswith("\n") and output_strip:
 					stdout_value = stdout_value[:-1]
 				if stderr_value.endswith("\n"):
 					stderr_value = stderr_value[:-1]