tree: convert read_tree_1 to use struct object_id internally

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/tree.c b/tree.c
index 33fa7ee7176474d4a3c218a76a7b238a86f720d6..21fd80b801aec559cdc88d8b9e7fc88054b8a6be 100644 (file)
--- a/tree.c
+++ b/tree.c
@@ -58,7 +58,7 @@ static int read_tree_1(struct tree *tree, struct strbuf *base,
 {
        struct tree_desc desc;
        struct name_entry entry;
-       unsigned char sha1[20];
+       struct object_id oid;
        int len, oldlen = base->len;
        enum interesting retval = entry_not_interesting;
 
@@ -87,7 +87,7 @@ static int read_tree_1(struct tree *tree, struct strbuf *base,
                }
 
                if (S_ISDIR(entry.mode))
-                       hashcpy(sha1, entry.oid->hash);
+                       oidcpy(&oid, entry.oid);
                else if (S_ISGITLINK(entry.mode)) {
                        struct commit *commit;
 
@@ -102,7 +102,7 @@ static int read_tree_1(struct tree *tree, struct strbuf *base,
                                    oid_to_hex(entry.oid),
                                    base->buf, entry.path);
 
-                       hashcpy(sha1, commit->tree->object.oid.hash);
+                       oidcpy(&oid, &commit->tree->object.oid);
                }
                else
                        continue;
@@ -110,7 +110,7 @@ static int read_tree_1(struct tree *tree, struct strbuf *base,
                len = tree_entry_len(&entry);
                strbuf_add(base, entry.path, len);
                strbuf_addch(base, '/');
-               retval = read_tree_1(lookup_tree(sha1),
+               retval = read_tree_1(lookup_tree(oid.hash),
                                     base, stage, pathspec,
                                     fn, context);
                strbuf_setlen(base, oldlen);