Fix reversion in 6.20161012 that prevented adding files with a space in their name.

CHANGELOG

@@ -3,6 +3,8 @@ git-annex (6.20161028) UNRELEASED; urgency=medium
   * Assistant, repair: Fix ignoring of git fsck errors due to
     duplicate file entries in tree objects.
   * Linux standalone: Fix location of locale files in the bundle.
+  * Fix reversion in 6.20161012 that prevented adding files with a space
+    in their name.
 
  -- Joey Hess <id@joeyh.name>  Mon, 31 Oct 2016 13:59:47 -0400
 

Git/CatFile.hs

@@ -109,17 +109,18 @@ query hdl object receive = CoProcess.query hdl send receive
 	send to = hPutStrLn to (fromRef object)
 
 parseResp :: Ref -> String -> Maybe ParsedResp
-parseResp object l = case words l of
-	[sha, objtype, size]
-		| length sha == shaSize ->
-			case (readObjectType objtype, reads size) of
-				(Just t, [(bytes, "")]) -> 
-					Just $ ParsedResp (Ref sha) bytes t
-				_ -> Nothing
-		| otherwise -> Nothing
-	_
-		| l == fromRef object ++ " missing" -> Just DNE
-		| otherwise -> Nothing
+parseResp object l 
+	| " missing" `isSuffixOf` l -- less expensive than full check
+		&& l == fromRef object ++ " missing" = Just DNE
+	| otherwise = case words l of
+		[sha, objtype, size]
+			| length sha == shaSize ->
+				case (readObjectType objtype, reads size) of
+					(Just t, [(bytes, "")]) -> 
+						Just $ ParsedResp (Ref sha) bytes t
+					_ -> Nothing
+			| otherwise -> Nothing
+		_ -> Nothing
 
 {- Gets a list of files and directories in a tree. (Not recursive.) -}
 catTree :: CatFileHandle -> Ref -> IO [(FilePath, FileMode)]

doc/bugs/git-annex_chokes_on_filenames_including_spaces.mdwn

@@ -24,3 +24,6 @@ add foo bar git-annex: unknown response from git cat-file ("HEAD:./foo bar missi
 CallStack (from HasCallStack):
   error, called at ./Git/CatFile.hs:102:28 in main:Git.CatFile
 """]]
+
+> What an embarrasing reversion. [[fixed|done]] and I'll push a release for
+> it right away. --[[Joey]]