va_end(ap);
 }
 
-void wt_status_prepare(struct wt_status *s)
+void wt_status_prepare(struct repository *r, struct wt_status *s)
 {
        memset(s, 0, sizeof(*s));
+       s->repo = r;
        memcpy(s->color_palette, default_wt_status_colors,
               sizeof(default_wt_status_colors));
        s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
        }
 }
 
-static int unmerged_mask(const char *path)
+static int unmerged_mask(struct index_state *istate, const char *path)
 {
        int pos, mask;
        const struct cache_entry *ce;
 
-       pos = cache_name_pos(path, strlen(path));
+       pos = index_name_pos(istate, path, strlen(path));
        if (0 <= pos)
                return 0;
 
        mask = 0;
        pos = -pos-1;
-       while (pos < active_nr) {
-               ce = active_cache[pos++];
+       while (pos < istate->cache_nr) {
+               ce = istate->cache[pos++];
                if (strcmp(ce->name, path) || !ce_stage(ce))
                        break;
                mask |= (1 << (ce_stage(ce) - 1));
                        s->committable = 1;
                        break;
                case DIFF_STATUS_UNMERGED:
-                       d->stagemask = unmerged_mask(p->two->path);
+                       d->stagemask = unmerged_mask(s->repo->index,
+                                                    p->two->path);
                        /*
                         * Don't bother setting {mode,oid}_{head,index} since the print
                         * code will output the stage values directly and not use the
 {
        struct rev_info rev;
 
-       repo_init_revisions(the_repository, &rev, NULL);
+       repo_init_revisions(s->repo, &rev, NULL);
        setup_revisions(0, NULL, &rev, NULL);
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
        rev.diffopt.flags.dirty_submodules = 1;
        struct rev_info rev;
        struct setup_revision_opt opt;
 
-       repo_init_revisions(the_repository, &rev, NULL);
+       repo_init_revisions(s->repo, &rev, NULL);
        memset(&opt, 0, sizeof(opt));
        opt.def = s->is_initial ? empty_tree_oid_hex() : s->reference;
        setup_revisions(0, NULL, &rev, &opt);
 
 static void wt_status_collect_changes_initial(struct wt_status *s)
 {
+       struct index_state *istate = s->repo->index;
        int i;
 
-       for (i = 0; i < active_nr; i++) {
+       for (i = 0; i < istate->cache_nr; i++) {
                struct string_list_item *it;
                struct wt_status_change_data *d;
-               const struct cache_entry *ce = active_cache[i];
+               const struct cache_entry *ce = istate->cache[i];
 
-               if (!ce_path_match(&the_index, ce, &s->pathspec, NULL))
+               if (!ce_path_match(istate, ce, &s->pathspec, NULL))
                        continue;
                if (ce_intent_to_add(ce))
                        continue;
        int i;
        struct dir_struct dir;
        uint64_t t_begin = getnanotime();
+       struct index_state *istate = s->repo->index;
 
        if (!s->show_untracked_files)
                return;
                if (s->show_ignored_mode == SHOW_MATCHING_IGNORED)
                        dir.flags |= DIR_SHOW_IGNORED_TOO_MODE_MATCHING;
        } else {
-               dir.untracked = the_index.untracked;
+               dir.untracked = istate->untracked;
        }
 
        setup_standard_excludes(&dir);
 
-       fill_directory(&dir, &the_index, &s->pathspec);
+       fill_directory(&dir, istate, &s->pathspec);
 
        for (i = 0; i < dir.nr; i++) {
                struct dir_entry *ent = dir.entries[i];
-               if (cache_name_is_other(ent->name, ent->len) &&
-                   dir_path_match(&the_index, ent, &s->pathspec, 0, NULL))
+               if (index_name_is_other(istate, ent->name, ent->len) &&
+                   dir_path_match(istate, ent, &s->pathspec, 0, NULL))
                        string_list_insert(&s->untracked, ent->name);
                free(ent);
        }
 
        for (i = 0; i < dir.ignored_nr; i++) {
                struct dir_entry *ent = dir.ignored[i];
-               if (cache_name_is_other(ent->name, ent->len) &&
-                   dir_path_match(&the_index, ent, &s->pathspec, 0, NULL))
+               if (index_name_is_other(istate, ent->name, ent->len) &&
+                   dir_path_match(istate, ent, &s->pathspec, 0, NULL))
                        string_list_insert(&s->ignored, ent->name);
                free(ent);
        }
        int dirty_submodules;
        const char *c = color(WT_STATUS_HEADER, s);
 
-       repo_init_revisions(the_repository, &rev, NULL);
+       repo_init_revisions(s->repo, &rev, NULL);
        rev.diffopt.flags.allow_textconv = 1;
        rev.diffopt.ita_invisible_in_index = 1;
 
                                _("  (use \"git rebase --abort\" to check out the original branch)"));
                }
        } else if (s->state.rebase_in_progress ||
-                  !stat(git_path_merge_msg(the_repository), &st)) {
+                  !stat(git_path_merge_msg(s->repo), &st)) {
                print_rebase_state(s, color);
                if (s->hints)
                        status_printf_ln(s, color,
        struct wt_status *s)
 {
        struct wt_status_change_data *d = it->util;
+       struct index_state *istate = s->repo->index;
        const struct cache_entry *ce;
        struct strbuf buf_index = STRBUF_INIT;
        const char *path_index = NULL;
         */
        memset(stages, 0, sizeof(stages));
        sum = 0;
-       pos = cache_name_pos(it->string, strlen(it->string));
+       pos = index_name_pos(istate, it->string, strlen(it->string));
        assert(pos < 0);
        pos = -pos-1;
-       while (pos < active_nr) {
-               ce = active_cache[pos++];
+       while (pos < istate->cache_nr) {
+               ce = istate->cache[pos++];
                stage = ce_stage(ce);
                if (strcmp(ce->name, it->string) || !stage)
                        break;
 /**
  * Returns 1 if there are unstaged changes, 0 otherwise.
  */
-int has_unstaged_changes(int ignore_submodules)
+int has_unstaged_changes(struct repository *r, int ignore_submodules)
 {
        struct rev_info rev_info;
        int result;
 
-       repo_init_revisions(the_repository, &rev_info, NULL);
+       repo_init_revisions(r, &rev_info, NULL);
        if (ignore_submodules) {
                rev_info.diffopt.flags.ignore_submodules = 1;
                rev_info.diffopt.flags.override_submodule_config = 1;
 /**
  * Returns 1 if there are uncommitted changes, 0 otherwise.
  */
-int has_uncommitted_changes(int ignore_submodules)
+int has_uncommitted_changes(struct repository *r,
+                           int ignore_submodules)
 {
        struct rev_info rev_info;
        int result;
 
-       if (is_cache_unborn())
+       if (is_index_unborn(r->index))
                return 0;
 
-       repo_init_revisions(the_repository, &rev_info, NULL);
+       repo_init_revisions(r, &rev_info, NULL);
        if (ignore_submodules)
                rev_info.diffopt.flags.ignore_submodules = 1;
        rev_info.diffopt.flags.quick = 1;
                 * We have no head (or it's corrupt); use the empty tree,
                 * which will complain if the index is non-empty.
                 */
-               struct tree *tree = lookup_tree(the_repository, the_hash_algo->empty_tree);
+               struct tree *tree = lookup_tree(r, the_hash_algo->empty_tree);
                add_pending_object(&rev_info, &tree->object, "");
        }
 
  * If the work tree has unstaged or uncommitted changes, dies with the
  * appropriate message.
  */
-int require_clean_work_tree(const char *action, const char *hint, int ignore_submodules, int gently)
+int require_clean_work_tree(struct repository *r,
+                           const char *action,
+                           const char *hint,
+                           int ignore_submodules,
+                           int gently)
 {
        struct lock_file lock_file = LOCK_INIT;
        int err = 0, fd;
 
        fd = hold_locked_index(&lock_file, 0);
-       refresh_cache(REFRESH_QUIET);
+       refresh_index(r->index, REFRESH_QUIET, NULL, NULL, NULL);
        if (0 <= fd)
-               update_index_if_able(&the_index, &lock_file);
+               update_index_if_able(r->index, &lock_file);
        rollback_lock_file(&lock_file);
 
-       if (has_unstaged_changes(ignore_submodules)) {
+       if (has_unstaged_changes(r, ignore_submodules)) {
                /* TRANSLATORS: the action is e.g. "pull with rebase" */
                error(_("cannot %s: You have unstaged changes."), _(action));
                err = 1;
        }
 
-       if (has_uncommitted_changes(ignore_submodules)) {
+       if (has_uncommitted_changes(r, ignore_submodules)) {
                if (err)
                        error(_("additionally, your index contains uncommitted changes."));
                else