Use the current working directory if git couldn't find it.

Author: Peter Kristensen

PBGitRepository.m

@@ -167,6 +167,11 @@ - (BOOL)readFromURL:(NSURL *)absoluteURL ofType:(NSString *)typeName error:(NSEr
 	}
 
 	[self setFileURL:gitDirURL];
+    if (![self workingDirectory]) { // If we couldn't find the working directory, assume it's the place we were opened from.
+        workingDirectory = [[absoluteURL path] retain];
+    }
+    
+        
 	[self setup];
 	return YES;
 	} @catch(id x) {