Convert fetch.c: process_tree() to raw tree walker

This leaves only the horrid code in builtin-read-tree.c using the old
interface. Some day I will gather the strength to tackle that one too.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/fetch.c b/fetch.c
index d9fe41f..976a5a4 100644 (file)
--- a/fetch.c
+++ b/fetch.c
@@ -3,6 +3,7 @@
 #include "cache.h"
 #include "commit.h"
 #include "tree.h"
+#include "tree-walk.h"
 #include "tag.h"
 #include "blob.h"
 #include "refs.h"
@@ -36,27 +37,32 @@ static int process(struct object *obj);
 
 static int process_tree(struct tree *tree)
 {
-       struct tree_entry_list *entry;
+       struct tree_desc desc;
 
        if (parse_tree(tree))
                return -1;
 
-       entry = create_tree_entry_list(tree);
-       while (entry) {
-               struct tree_entry_list *next = entry->next;
+       desc.buf = tree->buffer;
+       desc.size = tree->size;
+       while (desc.size) {
+               unsigned mode;
+               const char *name;
+               const unsigned char *sha1;
 
-               if (entry->directory) {
-                       struct tree *tree = lookup_tree(entry->sha1);
+               sha1 = tree_entry_extract(&desc, &name, &mode);
+               update_tree_entry(&desc);
+
+               if (S_ISDIR(mode)) {
+                       struct tree *tree = lookup_tree(sha1);
                        process_tree(tree);
                } else {
-                       struct blob *blob = lookup_blob(entry->sha1);
+                       struct blob *blob = lookup_blob(sha1);
                        process(&blob->object);
                }
-               free(entry);
-               entry = next;
        }
        free(tree->buffer);
        tree->buffer = NULL;
+       tree->size = 0;
        return 0;
 }