Merge refs/heads/master from .

git-checkout-script

@@ -72,4 +72,6 @@ if [ "$?" -eq 0 ]; then
 	fi
 	[ "$branch" ] && ln -sf "refs/heads/$branch" "$GIT_DIR/HEAD"
 	rm -f "$GIT_DIR/MERGE_HEAD"
+else
+	exit 1
 fi

ls-files.c

@@ -496,7 +496,7 @@ static void verify_pathspec(void)
 			char c = n[i];
 			if (prev && prev[i] != c)
 				break;
-			if (c == '*' || c == '?')
+			if (!c || c == '*' || c == '?')
 				break;
 			if (c == '/')
 				len = i+1;