#include "cache.h"
 #include "config.h"
 #include "notes.h"
+#include "object-store.h"
 #include "blob.h"
 #include "tree.h"
 #include "utf8.h"
        void **p = note_tree_search(t, &tree, &n, key_sha1);
        if (GET_PTR_TYPE(*p) == PTR_TYPE_NOTE) {
                struct leaf_node *l = (struct leaf_node *) CLR_PTR_TYPE(*p);
-               if (!hashcmp(key_sha1, l->key_oid.hash))
+               if (hasheq(key_sha1, l->key_oid.hash))
                        return l;
        }
        return NULL;
        if (GET_PTR_TYPE(*p) != PTR_TYPE_NOTE)
                return; /* type mismatch, nothing to remove */
        l = (struct leaf_node *) CLR_PTR_TYPE(*p);
-       if (oidcmp(&l->key_oid, &entry->key_oid))
+       if (!oideq(&l->key_oid, &entry->key_oid))
                return; /* key mismatch, nothing to remove */
 
        /* we have found a matching entry */
        case PTR_TYPE_NOTE:
                switch (type) {
                case PTR_TYPE_NOTE:
-                       if (!oidcmp(&l->key_oid, &entry->key_oid)) {
+                       if (oideq(&l->key_oid, &entry->key_oid)) {
                                /* skip concatenation if l == entry */
-                               if (!oidcmp(&l->val_oid, &entry->val_oid))
+                               if (oideq(&l->val_oid, &entry->val_oid))
                                        return 0;
 
                                ret = combine_notes(&l->val_oid,
 
        /* read in both note blob objects */
        if (!is_null_oid(new_oid))
-               new_msg = read_sha1_file(new_oid->hash, &new_type, &new_len);
+               new_msg = read_object_file(new_oid, &new_type, &new_len);
        if (!new_msg || !new_len || new_type != OBJ_BLOB) {
                free(new_msg);
                return 0;
        }
        if (!is_null_oid(cur_oid))
-               cur_msg = read_sha1_file(cur_oid->hash, &cur_type, &cur_len);
+               cur_msg = read_object_file(cur_oid, &cur_type, &cur_len);
        if (!cur_msg || !cur_len || cur_type != OBJ_BLOB) {
                free(cur_msg);
                free(new_msg);
                return 0;
 
        /* read_sha1_file NUL-terminates */
-       data = read_sha1_file(oid->hash, &t, &len);
+       data = read_object_file(oid, &t, &len);
        if (t != OBJ_BLOB || !data || !len) {
                free(data);
                return t != OBJ_BLOB || !data;
                return;
        if (flags & NOTES_INIT_WRITABLE && read_ref(notes_ref, &object_oid))
                die("Cannot use notes ref %s", notes_ref);
-       if (get_tree_entry(object_oid.hash, "", oid.hash, &mode))
+       if (get_tree_entry(&object_oid, "", &oid, &mode))
                die("Failed to read notes tree referenced by %s (%s)",
                    notes_ref, oid_to_hex(&object_oid));
 
        if (!oid)
                return;
 
-       if (!(msg = read_sha1_file(oid->hash, &type, &msglen)) || type != OBJ_BLOB) {
+       if (!(msg = read_object_file(oid, &type, &msglen)) || type != OBJ_BLOB) {
                free(msg);
                return;
        }