Clean-up read-tree error condition.

This is a follow-up to f34f2b0b; list_tree() function is where it
first notices that the command line fed too many trees for us to
handle, so move the error exit message to there, and raise the
MAX_TREES to 8 (not that it matters very much in practice).

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index f6764b97392a582f442c356945d71a0bb8887308..43cd56a3b5f969c5f8a44c674b95b53868e9d147 100644 (file)
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -13,7 +13,7 @@
 #include "dir.h"
 #include "builtin.h"
 
-#define MAX_TREES 4
+#define MAX_TREES 8
 static int nr_trees;
 static struct tree *trees[MAX_TREES];
 
@@ -21,8 +21,8 @@ static int list_tree(unsigned char *sha1)
 {
        struct tree *tree;
 
-       if (nr_trees >= 4)
-               return -1;
+       if (nr_trees >= MAX_TREES)
+               die("I cannot read more than %d trees", MAX_TREES);
        tree = parse_tree_indirect(sha1);
        if (!tree)
                return -1;
@@ -264,9 +264,6 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
                        opts.head_idx = 1;
        }
 
-       if (MAX_TREES < nr_trees)
-               die("I cannot read more than %d trees", MAX_TREES);
-
        for (i = 0; i < nr_trees; i++) {
                struct tree *tree = trees[i];
                parse_tree(tree);