#include "cache.h"
 #include "notes-cache.h"
+#include "object-store.h"
+#include "repository.h"
 #include "commit.h"
 #include "refs.h"
 
        if (read_ref(ref, &oid) < 0)
                return 0;
 
-       commit = lookup_commit_reference_gently(&oid, 1);
+       commit = lookup_commit_reference_gently(the_repository, &oid, 1);
        if (!commit)
                return 0;
 
        if (!c->tree.dirty)
                return 0;
 
-       if (write_notes_tree(&c->tree, tree_oid.hash))
+       if (write_notes_tree(&c->tree, &tree_oid))
                return -1;
-       if (commit_tree(c->validity, strlen(c->validity), tree_oid.hash, NULL,
-                       commit_oid.hash, NULL, NULL) < 0)
+       if (commit_tree(c->validity, strlen(c->validity), &tree_oid, NULL,
+                       &commit_oid, NULL, NULL) < 0)
                return -1;
        if (update_ref("update notes cache", c->tree.update_ref, &commit_oid,
                       NULL, 0, UPDATE_REFS_QUIET_ON_ERR) < 0)
        value_oid = get_note(&c->tree, key_oid);
        if (!value_oid)
                return NULL;
-       value = read_sha1_file(value_oid->hash, &type, &size);
+       value = read_object_file(value_oid, &type, &size);
 
        *outsize = size;
        return value;
 {
        struct object_id value_oid;
 
-       if (write_sha1_file(data, size, "blob", value_oid.hash) < 0)
+       if (write_object_file(data, size, "blob", &value_oid) < 0)
                return -1;
        return add_note(&c->tree, key_oid, &value_oid, NULL);
 }