Glob escaping support via backslash. (Andrew Price)

git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@786 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/CHANGELOG

+New in v1.1.9 (????/??/??)
+--------------------------
+
+Glob escaping support via backslash.  (Andrew Price)
+
+
 New in v1.1.8 (2007/01/29)
 --------------------------
 

trunk/rdiff-backup/rdiff-backup.1

@@ -738,6 +738,15 @@ insensitive), then this prefix will be removed and any character in
 the string can be replaced with an upper- or lowercase version of
 itself.
 
+If you need to match filenames which contain the above globbing 
+characters, they may be escaped using a backslash "\\". The backslash
+will only escape the character following it so for 
+.B **
+you will need 
+to use "\\*\\*" to avoid escaping it to the 
+.B * 
+globbing character.
+
 Remember that you may need to quote these characters when typing them
 into a shell, so the shell does not interpret the globbing patterns
 before rdiff-backup sees them.

trunk/rdiff-backup/rdiff_backup/selection.py

@@ -77,7 +77,7 @@ class Select:
 
 	"""
 	# This re should not match normal filenames, but usually just globs
-	glob_re = re.compile("(.*[*?[]|ignorecase\\:)", re.I | re.S)
+	glob_re = re.compile("(.*[*?[\\\\]|ignorecase\\:)", re.I | re.S)
 
 	def __init__(self, rootrp):
 		"""Select initializer.  rpath is the root directory"""
@@ -640,7 +640,10 @@ probably isn't what you meant.""" %
 		while i < n:
 			c, s = pat[i], pat[i:i+2]
 			i = i+1
-			if s == '**':
+			if c == '\\':
+				res = res + re.escape(s[-1])
+				i = i + 1
+			elif s == '**':
 				res = res + '.*'
 				i = i + 1
 			elif c == '*': res = res + '[^/]*'