Merge branch 'nd/the-index' into md/list-objects-filter-by-depth

bisect.c

@@ -626,14 +626,15 @@ static struct commit_list *managed_skipped(struct commit_list *list,
 	return skip_away(list, count);
 }
 
-static void bisect_rev_setup(struct rev_info *revs, const char *prefix,
+static void bisect_rev_setup(struct repository *r, struct rev_info *revs,
+			     const char *prefix,
 			     const char *bad_format, const char *good_format,
 			     int read_paths)
 {
 	struct argv_array rev_argv = ARGV_ARRAY_INIT;
 	int i;
 
-	repo_init_revisions(the_repository, revs, prefix);
+	repo_init_revisions(r, revs, prefix);
 	revs->abbrev = 0;
 	revs->commit_format = CMIT_FMT_UNSPECIFIED;
 
@@ -723,23 +724,25 @@ static int bisect_checkout(const struct object_id *bisect_rev, int no_checkout)
 	return run_command_v_opt(argv_show_branch, RUN_GIT_CMD);
 }
 
-static struct commit *get_commit_reference(const struct object_id *oid)
+static struct commit *get_commit_reference(struct repository *r,
+					   const struct object_id *oid)
 {
-	struct commit *r = lookup_commit_reference(the_repository, oid);
-	if (!r)
+	struct commit *c = lookup_commit_reference(r, oid);
+	if (!c)
 		die(_("Not a valid commit name %s"), oid_to_hex(oid));
-	return r;
+	return c;
 }
 
-static struct commit **get_bad_and_good_commits(int *rev_nr)
+static struct commit **get_bad_and_good_commits(struct repository *r,
+						int *rev_nr)
 {
 	struct commit **rev;
 	int i, n = 0;
 
 	ALLOC_ARRAY(rev, 1 + good_revs.nr);
-	rev[n++] = get_commit_reference(current_bad_oid);
+	rev[n++] = get_commit_reference(r, current_bad_oid);
 	for (i = 0; i < good_revs.nr; i++)
-		rev[n++] = get_commit_reference(good_revs.oid + i);
+		rev[n++] = get_commit_reference(r, good_revs.oid + i);
 	*rev_nr = n;
 
 	return rev;
@@ -823,12 +826,13 @@ static void check_merge_bases(int rev_nr, struct commit **rev, int no_checkout)
 	free_commit_list(result);
 }
 
-static int check_ancestors(int rev_nr, struct commit **rev, const char *prefix)
+static int check_ancestors(struct repository *r, int rev_nr,
+			   struct commit **rev, const char *prefix)
 {
 	struct rev_info revs;
 	int res;
 
-	bisect_rev_setup(&revs, prefix, "^%s", "%s", 0);
+	bisect_rev_setup(r, &revs, prefix, "^%s", "%s", 0);
 
 	bisect_common(&revs);
 	res = (revs.commits != NULL);
@@ -847,7 +851,9 @@ static int check_ancestors(int rev_nr, struct commit **rev, const char *prefix)
  * If a merge base must be tested by the user, its source code will be
  * checked out to be tested by the user and we will exit.
  */
-static void check_good_are_ancestors_of_bad(const char *prefix, int no_checkout)
+static void check_good_are_ancestors_of_bad(struct repository *r,
+					    const char *prefix,
+					    int no_checkout)
 {
 	char *filename = git_pathdup("BISECT_ANCESTORS_OK");
 	struct stat st;
@@ -866,8 +872,8 @@ static void check_good_are_ancestors_of_bad(const char *prefix, int no_checkout)
 		goto done;
 
 	/* Check if all good revs are ancestor of the bad rev. */
-	rev = get_bad_and_good_commits(&rev_nr);
-	if (check_ancestors(rev_nr, rev, prefix))
+	rev = get_bad_and_good_commits(r, &rev_nr);
+	if (check_ancestors(r, rev_nr, rev, prefix))
 		check_merge_bases(rev_nr, rev, no_checkout);
 	free(rev);
 
@@ -885,12 +891,14 @@ static void check_good_are_ancestors_of_bad(const char *prefix, int no_checkout)
 /*
  * This does "git diff-tree --pretty COMMIT" without one fork+exec.
  */
-static void show_diff_tree(const char *prefix, struct commit *commit)
+static void show_diff_tree(struct repository *r,
+			   const char *prefix,
+			   struct commit *commit)
 {
 	struct rev_info opt;
 
 	/* diff-tree init */
-	repo_init_revisions(the_repository, &opt, prefix);
+	repo_init_revisions(r, &opt, prefix);
 	git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
 	opt.abbrev = 0;
 	opt.diff = 1;
@@ -945,7 +953,7 @@ void read_bisect_terms(const char **read_bad, const char **read_good)
  * If no_checkout is non-zero, the bisection process does not
  * checkout the trial commit but instead simply updates BISECT_HEAD.
  */
-int bisect_next_all(const char *prefix, int no_checkout)
+int bisect_next_all(struct repository *r, const char *prefix, int no_checkout)
 {
 	struct rev_info revs;
 	struct commit_list *tried;
@@ -957,9 +965,9 @@ int bisect_next_all(const char *prefix, int no_checkout)
 	if (read_bisect_refs())
 		die(_("reading bisect refs failed"));
 
-	check_good_are_ancestors_of_bad(prefix, no_checkout);
+	check_good_are_ancestors_of_bad(r, prefix, no_checkout);
 
-	bisect_rev_setup(&revs, prefix, "%s", "^%s", 1);
+	bisect_rev_setup(r, &revs, prefix, "%s", "^%s", 1);
 	revs.limited = 1;
 
 	bisect_common(&revs);
@@ -993,7 +1001,7 @@ int bisect_next_all(const char *prefix, int no_checkout)
 		exit_if_skipped_commits(tried, current_bad_oid);
 		printf("%s is the first %s commit\n", oid_to_hex(bisect_rev),
 			term_bad);
-		show_diff_tree(prefix, revs.commits->item);
+		show_diff_tree(r, prefix, revs.commits->item);
 		/* This means the bisection process succeeded. */
 		exit(10);
 	}

bisect.h

@@ -2,6 +2,7 @@
 #define BISECT_H
 
 struct commit_list;
+struct repository;
 
 /*
  * Find bisection. If something is found, `reaches` will be the number of
@@ -30,7 +31,9 @@ struct rev_list_info {
 	const char *header_prefix;
 };
 
-extern int bisect_next_all(const char *prefix, int no_checkout);
+extern int bisect_next_all(struct repository *r,
+			   const char *prefix,
+			   int no_checkout);
 
 extern int estimate_bisect_steps(int all);
 

blame.c

@@ -116,35 +116,38 @@ static void verify_working_tree_path(struct repository *r,
 		die("no such path '%s' in HEAD", path);
 }
 
-static struct commit_list **append_parent(struct commit_list **tail, const struct object_id *oid)
+static struct commit_list **append_parent(struct repository *r,
+					  struct commit_list **tail,
+					  const struct object_id *oid)
 {
 	struct commit *parent;
 
-	parent = lookup_commit_reference(the_repository, oid);
+	parent = lookup_commit_reference(r, oid);
 	if (!parent)
 		die("no such commit %s", oid_to_hex(oid));
 	return &commit_list_insert(parent, tail)->next;
 }
 
-static void append_merge_parents(struct commit_list **tail)
+static void append_merge_parents(struct repository *r,
+				 struct commit_list **tail)
 {
 	int merge_head;
 	struct strbuf line = STRBUF_INIT;
 
-	merge_head = open(git_path_merge_head(the_repository), O_RDONLY);
+	merge_head = open(git_path_merge_head(r), O_RDONLY);
 	if (merge_head < 0) {
 		if (errno == ENOENT)
 			return;
 		die("cannot open '%s' for reading",
-		    git_path_merge_head(the_repository));
+		    git_path_merge_head(r));
 	}
 
 	while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) {
 		struct object_id oid;
 		if (line.len < GIT_SHA1_HEXSZ || get_oid_hex(line.buf, &oid))
 			die("unknown line in '%s': %s",
-			    git_path_merge_head(the_repository), line.buf);
-		tail = append_parent(tail, &oid);
+			    git_path_merge_head(r), line.buf);
+		tail = append_parent(r, tail, &oid);
 	}
 	close(merge_head);
 	strbuf_release(&line);
@@ -155,11 +158,13 @@ static void append_merge_parents(struct commit_list **tail)
  * want to transfer ownership of the buffer to the commit (so we
  * must use detach).
  */
-static void set_commit_buffer_from_strbuf(struct commit *c, struct strbuf *sb)
+static void set_commit_buffer_from_strbuf(struct repository *r,
+					  struct commit *c,
+					  struct strbuf *sb)
 {
 	size_t len;
 	void *buf = strbuf_detach(sb, &len);
-	set_commit_buffer(the_repository, c, buf, len);
+	set_commit_buffer(r, c, buf, len);
 }
 
 /*
@@ -185,7 +190,7 @@ static struct commit *fake_working_tree_commit(struct repository *r,
 
 	read_index(r->index);
 	time(&now);
-	commit = alloc_commit_node(the_repository);
+	commit = alloc_commit_node(r);
 	commit->object.parsed = 1;
 	commit->date = now;
 	parent_tail = &commit->parents;
@@ -193,8 +198,8 @@ static struct commit *fake_working_tree_commit(struct repository *r,
 	if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL))
 		die("no such ref: HEAD");
 
-	parent_tail = append_parent(parent_tail, &head_oid);
-	append_merge_parents(parent_tail);
+	parent_tail = append_parent(r, parent_tail, &head_oid);
+	append_merge_parents(r, parent_tail);
 	verify_working_tree_path(r, commit, path);
 
 	origin = make_origin(commit, path);
@@ -211,7 +216,7 @@ static struct commit *fake_working_tree_commit(struct repository *r,
 		    ident, ident, path,
 		    (!contents_from ? path :
 		     (!strcmp(contents_from, "-") ? "standard input" : contents_from)));
-	set_commit_buffer_from_strbuf(commit, &msg);
+	set_commit_buffer_from_strbuf(r, commit, &msg);
 
 	if (!contents_from || strcmp("-", contents_from)) {
 		struct stat st;
@@ -1678,7 +1683,7 @@ static struct commit *find_single_final(struct rev_info *revs,
 		struct object *obj = revs->pending.objects[i].item;
 		if (obj->flags & UNINTERESTING)
 			continue;
-		obj = deref_tag(the_repository, obj, NULL, 0);
+		obj = deref_tag(revs->repo, obj, NULL, 0);
 		if (obj->type != OBJ_COMMIT)
 			die("Non commit %s?", revs->pending.objects[i].name);
 		if (found)
@@ -1709,14 +1714,14 @@ static struct commit *dwim_reverse_initial(struct rev_info *revs,
 
 	/* Is that sole rev a committish? */
 	obj = revs->pending.objects[0].item;
-	obj = deref_tag(the_repository, obj, NULL, 0);
+	obj = deref_tag(revs->repo, obj, NULL, 0);
 	if (obj->type != OBJ_COMMIT)
 		return NULL;
 
 	/* Do we have HEAD? */
 	if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL))
 		return NULL;
-	head_commit = lookup_commit_reference_gently(the_repository,
+	head_commit = lookup_commit_reference_gently(revs->repo,
 						     &head_oid, 1);
 	if (!head_commit)
 		return NULL;
@@ -1745,7 +1750,7 @@ static struct commit *find_single_initial(struct rev_info *revs,
 		struct object *obj = revs->pending.objects[i].item;
 		if (!(obj->flags & UNINTERESTING))
 			continue;
-		obj = deref_tag(the_repository, obj, NULL, 0);
+		obj = deref_tag(revs->repo, obj, NULL, 0);
 		if (obj->type != OBJ_COMMIT)
 			die("Non commit %s?", revs->pending.objects[i].name);
 		if (found)

branch.c

@@ -242,7 +242,8 @@ N_("\n"
 "will track its remote counterpart, you may want to use\n"
 "\"git push -u\" to set the upstream config as you push.");
 
-void create_branch(const char *name, const char *start_name,
+void create_branch(struct repository *r,
+		   const char *name, const char *start_name,
 		   int force, int clobber_head_ok, int reflog,
 		   int quiet, enum branch_track track)
 {
@@ -300,7 +301,7 @@ void create_branch(const char *name, const char *start_name,
 		break;
 	}
 
-	if ((commit = lookup_commit_reference(the_repository, &oid)) == NULL)
+	if ((commit = lookup_commit_reference(r, &oid)) == NULL)
 		die(_("Not a valid branch point: '%s'."), start_name);
 	oidcpy(&oid, &commit->object.oid);
 
@@ -336,15 +337,15 @@ void create_branch(const char *name, const char *start_name,
 	free(real_ref);
 }
 
-void remove_branch_state(void)
+void remove_branch_state(struct repository *r)
 {
-	unlink(git_path_cherry_pick_head(the_repository));
-	unlink(git_path_revert_head(the_repository));
-	unlink(git_path_merge_head(the_repository));
-	unlink(git_path_merge_rr(the_repository));
-	unlink(git_path_merge_msg(the_repository));
-	unlink(git_path_merge_mode(the_repository));
-	unlink(git_path_squash_msg(the_repository));
+	unlink(git_path_cherry_pick_head(r));
+	unlink(git_path_revert_head(r));
+	unlink(git_path_merge_head(r));
+	unlink(git_path_merge_rr(r));
+	unlink(git_path_merge_msg(r));
+	unlink(git_path_merge_mode(r));
+	unlink(git_path_squash_msg(r));
 }
 
 void die_if_checked_out(const char *branch, int ignore_current_worktree)

branch.h

@@ -1,6 +1,7 @@
 #ifndef BRANCH_H
 #define BRANCH_H
 
+struct repository;
 struct strbuf;
 
 enum branch_track {
@@ -19,6 +20,8 @@ extern enum branch_track git_branch_track;
 /*
  * Creates a new branch, where:
  *
+ *   - r is the repository to add a branch to
+ *
  *   - name is the new branch name
  *
  *   - start_name is the name of the existing branch that the new branch should
@@ -37,7 +40,8 @@ extern enum branch_track git_branch_track;
  *     that start_name is a tracking branch for (if any).
  *
  */
-void create_branch(const char *name, const char *start_name,
+void create_branch(struct repository *r,
+		   const char *name, const char *start_name,
 		   int force, int clobber_head_ok,
 		   int reflog, int quiet, enum branch_track track);
 
@@ -60,7 +64,7 @@ extern int validate_new_branchname(const char *name, struct strbuf *ref, int for
  * Remove information about the state of working on the current
  * branch. (E.g., MERGE_HEAD)
  */
-void remove_branch_state(void);
+void remove_branch_state(struct repository *r);
 
 /*
  * Configure local branch "local" as downstream to branch "remote"

builtin/am.c

@@ -1970,7 +1970,7 @@ static int clean_index(const struct object_id *head, const struct object_id *rem
 	if (merge_tree(remote_tree))
 		return -1;
 
-	remove_branch_state();
+	remove_branch_state(the_repository);
 
 	return 0;
 }
@@ -1981,7 +1981,7 @@ static int clean_index(const struct object_id *head, const struct object_id *rem
 static void am_rerere_clear(void)
 {
 	struct string_list merge_rr = STRING_LIST_INIT_DUP;
-	rerere_clear(&merge_rr);
+	rerere_clear(the_repository, &merge_rr);
 	string_list_clear(&merge_rr, 1);
 }
 

builtin/bisect--helper.c

@@ -137,7 +137,7 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
 
 	switch (cmdmode) {
 	case NEXT_ALL:
-		return bisect_next_all(prefix, no_checkout);
+		return bisect_next_all(the_repository, prefix, no_checkout);
 	case WRITE_TERMS:
 		if (argc != 2)
 			return error(_("--write-terms requires two arguments"));

builtin/branch.c

@@ -783,7 +783,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 		 * create_branch takes care of setting up the tracking
 		 * info and making sure new_upstream is correct
 		 */
-		create_branch(branch->name, new_upstream, 0, 0, 0, quiet, BRANCH_TRACK_OVERRIDE);
+		create_branch(the_repository, branch->name, new_upstream,
+			      0, 0, 0, quiet, BRANCH_TRACK_OVERRIDE);
 	} else if (unset_upstream) {
 		struct branch *branch = branch_get(argv[0]);
 		struct strbuf buf = STRBUF_INIT;
@@ -814,7 +815,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 		if (track == BRANCH_TRACK_OVERRIDE)
 			die(_("the '--set-upstream' option is no longer supported. Please use '--track' or '--set-upstream-to' instead."));
 
-		create_branch(argv[0], (argc == 2) ? argv[1] : head,
+		create_branch(the_repository,
+			      argv[0], (argc == 2) ? argv[1] : head,
 			      force, 0, reflog, quiet, track);
 
 	} else

builtin/bundle.c

@@ -40,7 +40,7 @@ int cmd_bundle(int argc, const char **argv, const char *prefix)
 			usage(builtin_bundle_usage);
 			return 1;
 		}
-		if (verify_bundle(&header, 1))
+		if (verify_bundle(the_repository, &header, 1))
 			return 1;
 		fprintf(stderr, _("%s is okay\n"), bundle_file);
 		return 0;
@@ -56,11 +56,12 @@ int cmd_bundle(int argc, const char **argv, const char *prefix)
 		}
 		if (!startup_info->have_repository)
 			die(_("Need a repository to create a bundle."));
-		return !!create_bundle(&header, bundle_file, argc, argv);
+		return !!create_bundle(the_repository, &header,
+				       bundle_file, argc, argv);
 	} else if (!strcmp(cmd, "unbundle")) {
 		if (!startup_info->have_repository)
 			die(_("Need a repository to unbundle."));
-		return !!unbundle(&header, bundle_fd, 0) ||
+		return !!unbundle(the_repository, &header, bundle_fd, 0) ||
 			list_bundle_refs(&header, argc, argv);
 	} else
 		usage(builtin_bundle_usage);

builtin/checkout.c

@@ -753,7 +753,8 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
 			free(refname);
 		}
 		else
-			create_branch(opts->new_branch, new_branch_info->name,
+			create_branch(the_repository,
+				      opts->new_branch, new_branch_info->name,
 				      opts->new_branch_force ? 1 : 0,
 				      opts->new_branch_force ? 1 : 0,
 				      opts->new_branch_log,
@@ -811,7 +812,7 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
 				delete_reflog(old_branch_info->path);
 		}
 	}
-	remove_branch_state();
+	remove_branch_state(the_repository);
 	strbuf_release(&msg);
 	if (!opts->quiet &&
 	    (new_branch_info->path || (!opts->force_detach && !strcmp(new_branch_info->name, "HEAD"))))

builtin/commit.c

@@ -188,7 +188,7 @@ static void determine_whence(struct wt_status *s)
 
 static void status_init_config(struct wt_status *s, config_fn_t fn)
 {
-	wt_status_prepare(s);
+	wt_status_prepare(the_repository, s);
 	init_diff_ui_defaults();
 	git_config(fn, s);
 	determine_whence(s);
@@ -911,7 +911,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 			if (ignore_submodule_arg &&
 			    !strcmp(ignore_submodule_arg, "all"))
 				flags.ignore_submodules = 1;
-			committable = index_differs_from(parent, &flags, 1);
+			committable = index_differs_from(the_repository,
+							 parent, &flags, 1);
 		}
 	}
 	strbuf_release(&committer_ident);
@@ -1682,7 +1683,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 			flags |= SUMMARY_INITIAL_COMMIT;
 		if (author_date_is_interesting())
 			flags |= SUMMARY_SHOW_AUTHOR_DATE;
-		print_commit_summary(prefix, &oid, flags);
+		print_commit_summary(the_repository, prefix,
+				     &oid, flags);
 	}
 
 	UNLEAK(err);

builtin/fsck.c

@@ -779,7 +779,8 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
 			for (p = get_all_packs(the_repository); p;
 			     p = p->next) {
 				/* verify gives error messages itself */
-				if (verify_pack(p, fsck_obj_buffer,
+				if (verify_pack(the_repository,
+						p, fsck_obj_buffer,
 						progress, count))
 					errors_found |= ERROR_PACK;
 				count += p->num_objects;

builtin/merge-ours.c

@@ -26,7 +26,7 @@ int cmd_merge_ours(int argc, const char **argv, const char *prefix)
 	 */
 	if (read_cache() < 0)
 		die_errno("read_cache failed");
-	if (index_differs_from("HEAD", NULL, 0))
+	if (index_differs_from(the_repository, "HEAD", NULL, 0))
 		exit(2);
 	exit(0);
 }

builtin/merge.c

@@ -897,7 +897,7 @@ static int suggest_conflicts(void)
 	filename = git_path_merge_msg(the_repository);
 	fp = xfopen(filename, "a");
 
-	append_conflicts_hint(&msgbuf);
+	append_conflicts_hint(&the_index, &msgbuf);
 	fputs(msgbuf.buf, fp);
 	strbuf_release(&msgbuf);
 	fclose(fp);

builtin/notes.c

@@ -813,7 +813,7 @@ static int merge(int argc, const char **argv, const char *prefix)
 		usage_with_options(git_notes_merge_usage, options);
 	}
 
-	init_notes_merge_options(&o);
+	init_notes_merge_options(the_repository, &o);
 	o.verbosity = verbosity + NOTES_MERGE_VERBOSITY_DEFAULT;
 
 	if (do_abort)

builtin/pack-objects.c

@@ -2610,7 +2610,7 @@ static void prepare_pack(int window, int depth)
 	unsigned n;
 
 	if (use_delta_islands)
-		resolve_tree_islands(progress, &to_pack);
+		resolve_tree_islands(the_repository, progress, &to_pack);
 
 	get_object_details();
 
@@ -3131,7 +3131,7 @@ static void get_object_list(int ac, const char **av)
 		return;
 
 	if (use_delta_islands)
-		load_delta_islands();
+		load_delta_islands(the_repository);
 
 	if (prepare_revision_walk(&revs))
 		die(_("revision walk setup failed"));
@@ -3470,7 +3470,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
 		}
 	}
 
-	prepare_packing_data(&to_pack);
+	prepare_packing_data(the_repository, &to_pack);
 
 	if (progress)
 		progress_state = start_progress(_("Enumerating objects"), 0);

builtin/pull.c

@@ -899,7 +899,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
 			die(_("Updating an unborn branch with changes added to the index."));
 
 		if (!autostash)
-			require_clean_work_tree(N_("pull with rebase"),
+			require_clean_work_tree(the_repository,
+				N_("pull with rebase"),
 				_("please commit or stash them."), 1, 0);
 
 		if (get_rebase_fork_point(&rebase_fork_point, repo, *refspecs))

builtin/push.c

@@ -355,7 +355,8 @@ static int push_with_options(struct transport *transport, struct refspec *rs,
 
 	if (verbosity > 0)
 		fprintf(stderr, _("Pushing to %s\n"), transport->url);
-	err = transport_push(transport, rs, flags, &reject_reasons);
+	err = transport_push(the_repository, transport,
+			     rs, flags, &reject_reasons);
 	if (err != 0) {
 		fprintf(stderr, "%s", push_get_color(PUSH_COLOR_ERROR));
 		error(_("failed to push some refs to '%s'"), transport->url);

builtin/read-tree.c

@@ -258,7 +258,9 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
 	 * what came from the tree.
 	 */
 	if (nr_trees == 1 && !opts.prefix)
-		prime_cache_tree(&the_index, trees[0]);
+		prime_cache_tree(the_repository,
+				 the_repository->index,
+				 trees[0]);
 
 	if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
 		die("unable to write new index file");

builtin/rebase--interactive.c

@@ -105,7 +105,7 @@ static int do_interactive_rebase(struct replay_opts *opts, unsigned flags,
 	if (restrict_revision)
 		argv_array_push(&make_script_args, restrict_revision);
 
-	ret = sequencer_make_script(todo_list,
+	ret = sequencer_make_script(the_repository, todo_list,
 				    make_script_args.argc, make_script_args.argv,
 				    flags);
 	fclose(todo_list);
@@ -114,7 +114,8 @@ static int do_interactive_rebase(struct replay_opts *opts, unsigned flags,
 		error(_("could not generate todo list"));
 	else {
 		discard_cache();
-		ret = complete_action(opts, flags, shortrevisions, onto_name, onto,
+		ret = complete_action(the_repository, opts, flags,
+				      shortrevisions, onto_name, onto,
 				      head_hash, cmd, autosquash);
 	}
 
@@ -232,14 +233,14 @@ int cmd_rebase__interactive(int argc, const char **argv, const char *prefix)
 	case SKIP: {
 		struct string_list merge_rr = STRING_LIST_INIT_DUP;
 
-		rerere_clear(&merge_rr);
+		rerere_clear(the_repository, &merge_rr);
 		/* fallthrough */
 	case CONTINUE:
-		ret = sequencer_continue(&opts);
+		ret = sequencer_continue(the_repository, &opts);
 		break;
 	}
 	case EDIT_TODO:
-		ret = edit_todo_list(flags);
+		ret = edit_todo_list(the_repository, flags);
 		break;
 	case SHOW_CURRENT_PATCH: {
 		struct child_process cmd = CHILD_PROCESS_INIT;
@@ -252,16 +253,16 @@ int cmd_rebase__interactive(int argc, const char **argv, const char *prefix)
 	}
 	case SHORTEN_OIDS:
 	case EXPAND_OIDS:
-		ret = transform_todos(flags);
+		ret = transform_todos(the_repository, flags);
 		break;
 	case CHECK_TODO_LIST:
-		ret = check_todo_list();
+		ret = check_todo_list(the_repository);
 		break;
 	case REARRANGE_SQUASH:
-		ret = rearrange_squash();
+		ret = rearrange_squash(the_repository);
 		break;
 	case ADD_EXEC:
-		ret = sequencer_add_exec_commands(cmd);
+		ret = sequencer_add_exec_commands(the_repository, cmd);
 		break;
 	default:
 		BUG("invalid command '%d'", command);

builtin/rebase.c

@@ -598,7 +598,7 @@ static int reset_head(struct object_id *oid, const char *action,
 	}
 
 	tree = parse_tree_indirect(oid);
-	prime_cache_tree(the_repository->index, tree);
+	prime_cache_tree(the_repository, the_repository->index, tree);
 
 	if (write_locked_index(the_repository->index, &lock, COMMIT_LOCK) < 0) {
 		ret = error(_("could not write index"));
@@ -1024,7 +1024,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 					     &lock_file);
 		rollback_lock_file(&lock_file);
 
-		if (has_unstaged_changes(1)) {
+		if (has_unstaged_changes(the_repository, 1)) {
 			puts(_("You must edit all merge conflicts and then\n"
 			       "mark them as resolved using git add"));
 			exit(1);
@@ -1039,13 +1039,13 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 		options.action = "skip";
 		set_reflog_action(&options);
 
-		rerere_clear(&merge_rr);
+		rerere_clear(the_repository, &merge_rr);
 		string_list_clear(&merge_rr, 1);
 
 		if (reset_head(NULL, "reset", NULL, RESET_HEAD_HARD,
 			       NULL, NULL) < 0)
 			die(_("could not discard worktree changes"));
-		remove_branch_state();
+		remove_branch_state(the_repository);
 		if (read_basic_state(&options))
 			exit(1);
 		goto run_rebase;
@@ -1055,7 +1055,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 		options.action = "abort";
 		set_reflog_action(&options);
 
-		rerere_clear(&merge_rr);
+		rerere_clear(the_repository, &merge_rr);
 		string_list_clear(&merge_rr, 1);
 
 		if (read_basic_state(&options))
@@ -1065,7 +1065,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 			       NULL, NULL) < 0)
 			die(_("could not move back to %s"),
 			    oid_to_hex(&options.orig_head));
-		remove_branch_state();
+		remove_branch_state(the_repository);
 		ret = finish_rebase(&options);
 		goto cleanup;
 	}
@@ -1381,7 +1381,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 			update_index_if_able(&the_index, &lock_file);
 		rollback_lock_file(&lock_file);
 
-		if (has_unstaged_changes(1) || has_uncommitted_changes(1)) {
+		if (has_unstaged_changes(the_repository, 1) ||
+		    has_uncommitted_changes(the_repository, 1)) {
 			const char *autostash =
 				state_dir_path("autostash", &options);
 			struct child_process stash = CHILD_PROCESS_INIT;
@@ -1427,7 +1428,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 		}
 	}
 
-	if (require_clean_work_tree("rebase",
+	if (require_clean_work_tree(the_repository, "rebase",
 				    _("Please commit or stash them."), 1, 1)) {
 		ret = 1;
 		goto cleanup;

builtin/rerere.c

@@ -83,11 +83,12 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
 	}
 
 	if (!strcmp(argv[0], "clear")) {
-		rerere_clear(&merge_rr);
+		rerere_clear(the_repository, &merge_rr);
 	} else if (!strcmp(argv[0], "gc"))
-		rerere_gc(&merge_rr);
+		rerere_gc(the_repository, &merge_rr);
 	else if (!strcmp(argv[0], "status")) {
-		if (setup_rerere(&merge_rr, flags | RERERE_READONLY) < 0)
+		if (setup_rerere(the_repository, &merge_rr,
+				 flags | RERERE_READONLY) < 0)
 			return 0;
 		for (i = 0; i < merge_rr.nr; i++)
 			printf("%s\n", merge_rr.items[i].string);
@@ -102,7 +103,8 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
 				merge_rr.items[i].util = NULL;
 		}
 	} else if (!strcmp(argv[0], "diff")) {
-		if (setup_rerere(&merge_rr, flags | RERERE_READONLY) < 0)
+		if (setup_rerere(the_repository, &merge_rr,
+				 flags | RERERE_READONLY) < 0)
 			return 0;
 		for (i = 0; i < merge_rr.nr; i++) {
 			const char *path = merge_rr.items[i].string;

builtin/reset.c

@@ -95,7 +95,7 @@ static int reset_index(const struct object_id *oid, int reset_type, int quiet)
 
 	if (reset_type == MIXED || reset_type == HARD) {
 		tree = parse_tree_indirect(oid);
-		prime_cache_tree(&the_index, tree);
+		prime_cache_tree(the_repository, the_repository->index, tree);
 	}
 
 	ret = 0;
@@ -413,7 +413,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
 			print_new_head_line(lookup_commit_reference(the_repository, &oid));
 	}
 	if (!pathspec.nr)
-		remove_branch_state();
+		remove_branch_state(the_repository);
 
 	return update_ref_status;
 }

builtin/revert.c

@@ -195,14 +195,14 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts)
 	if (cmd == 'q') {
 		int ret = sequencer_remove_state(opts);
 		if (!ret)
-			remove_branch_state();
+			remove_branch_state(the_repository);
 		return ret;
 	}
 	if (cmd == 'c')
-		return sequencer_continue(opts);
+		return sequencer_continue(the_repository, opts);
 	if (cmd == 'a')
-		return sequencer_rollback(opts);
-	return sequencer_pick_revisions(opts);
+		return sequencer_rollback(the_repository, opts);
+	return sequencer_pick_revisions(the_repository, opts);
 }
 
 int cmd_revert(int argc, const char **argv, const char *prefix)

bundle.c

@@ -127,7 +127,9 @@ static int list_refs(struct ref_list *r, int argc, const char **argv)
 /* Remember to update object flag allocation in object.h */
 #define PREREQ_MARK (1u<<16)
 
-int verify_bundle(struct bundle_header *header, int verbose)
+int verify_bundle(struct repository *r,
+		  struct bundle_header *header,
+		  int verbose)
 {
 	/*
 	 * Do fast check, then if any prereqs are missing then go line by line
@@ -140,10 +142,10 @@ int verify_bundle(struct bundle_header *header, int verbose)
 	int i, ret = 0, req_nr;
 	const char *message = _("Repository lacks these prerequisite commits:");
 
-	repo_init_revisions(the_repository, &revs, NULL);
+	repo_init_revisions(r, &revs, NULL);
 	for (i = 0; i < p->nr; i++) {
 		struct ref_list_entry *e = p->list + i;
-		struct object *o = parse_object(the_repository, &e->oid);
+		struct object *o = parse_object(r, &e->oid);
 		if (o) {
 			o->flags |= PREREQ_MARK;
 			add_pending_object(&revs, o, e->name);
@@ -168,7 +170,7 @@ int verify_bundle(struct bundle_header *header, int verbose)
 
 	for (i = 0; i < p->nr; i++) {
 		struct ref_list_entry *e = p->list + i;
-		struct object *o = parse_object(the_repository, &e->oid);
+		struct object *o = parse_object(r, &e->oid);
 		assert(o); /* otherwise we'd have returned early */
 		if (o->flags & SHOWN)
 			continue;
@@ -180,7 +182,7 @@ int verify_bundle(struct bundle_header *header, int verbose)
 	/* Clean up objects used, as they will be reused. */
 	for (i = 0; i < p->nr; i++) {
 		struct ref_list_entry *e = p->list + i;
-		commit = lookup_commit_reference_gently(the_repository, &e->oid, 1);
+		commit = lookup_commit_reference_gently(r, &e->oid, 1);
 		if (commit)
 			clear_commit_marks(commit, ALL_REV_FLAGS);
 	}
@@ -389,8 +391,7 @@ static int write_bundle_refs(int bundle_fd, struct rev_info *revs)
 			 * in terms of a tag (e.g. v2.0 from the range
 			 * "v1.0..v2.0")?
 			 */
-			struct commit *one = lookup_commit_reference(the_repository,
-								     &oid);
+			struct commit *one = lookup_commit_reference(revs->repo, &oid);
 			struct object *obj;
 
 			if (e->item == &(one->object)) {
@@ -423,8 +424,8 @@ static int write_bundle_refs(int bundle_fd, struct rev_info *revs)
 	return ref_count;
 }
 
-int create_bundle(struct bundle_header *header, const char *path,
-		  int argc, const char **argv)
+int create_bundle(struct repository *r, struct bundle_header *header,
+		  const char *path, int argc, const char **argv)
 {
 	struct lock_file lock = LOCK_INIT;
 	int bundle_fd = -1;
@@ -444,7 +445,7 @@ int create_bundle(struct bundle_header *header, const char *path,
 
 	/* init revs to list objects for pack-objects later */
 	save_commit_buffer = 0;
-	repo_init_revisions(the_repository, &revs, NULL);
+	repo_init_revisions(r, &revs, NULL);
 
 	/* write prerequisites */
 	if (compute_and_write_prerequisites(bundle_fd, &revs, argc, argv))
@@ -479,7 +480,8 @@ err:
 	return -1;
 }
 
-int unbundle(struct bundle_header *header, int bundle_fd, int flags)
+int unbundle(struct repository *r, struct bundle_header *header,
+	     int bundle_fd, int flags)
 {
 	const char *argv_index_pack[] = {"index-pack",
 					 "--fix-thin", "--stdin", NULL, NULL};
@@ -488,7 +490,7 @@ int unbundle(struct bundle_header *header, int bundle_fd, int flags)
 	if (flags & BUNDLE_VERBOSE)
 		argv_index_pack[3] = "-v";
 
-	if (verify_bundle(header, 0))
+	if (verify_bundle(r, header, 0))
 		return -1;
 	ip.argv = argv_index_pack;
 	ip.in = bundle_fd;

bundle.h

@@ -18,11 +18,12 @@ struct bundle_header {
 
 int is_bundle(const char *path, int quiet);
 int read_bundle_header(const char *path, struct bundle_header *header);
-int create_bundle(struct bundle_header *header, const char *path,
-		int argc, const char **argv);
-int verify_bundle(struct bundle_header *header, int verbose);
+int create_bundle(struct repository *r, struct bundle_header *header,
+		  const char *path, int argc, const char **argv);
+int verify_bundle(struct repository *r, struct bundle_header *header, int verbose);
 #define BUNDLE_VERBOSE 1
-int unbundle(struct bundle_header *header, int bundle_fd, int flags);
+int unbundle(struct repository *r, struct bundle_header *header,
+	     int bundle_fd, int flags);
 int list_bundle_refs(struct bundle_header *header,
 		int argc, const char **argv);
 

cache-tree.c

@@ -659,7 +659,9 @@ out:
 	return ret;
 }
 
-static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
+static void prime_cache_tree_rec(struct repository *r,
+				 struct cache_tree *it,
+				 struct tree *tree)
 {
 	struct tree_desc desc;
 	struct name_entry entry;
@@ -673,24 +675,25 @@ static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
 			cnt++;
 		else {
 			struct cache_tree_sub *sub;
-			struct tree *subtree = lookup_tree(the_repository,
-							   entry.oid);
+			struct tree *subtree = lookup_tree(r, entry.oid);
 			if (!subtree->object.parsed)
 				parse_tree(subtree);
 			sub = cache_tree_sub(it, entry.path);
 			sub->cache_tree = cache_tree();
-			prime_cache_tree_rec(sub->cache_tree, subtree);
+			prime_cache_tree_rec(r, sub->cache_tree, subtree);
 			cnt += sub->cache_tree->entry_count;
 		}
 	}
 	it->entry_count = cnt;
 }
 
-void prime_cache_tree(struct index_state *istate, struct tree *tree)
+void prime_cache_tree(struct repository *r,
+		      struct index_state *istate,
+		      struct tree *tree)
 {
 	cache_tree_free(&istate->cache_tree);
 	istate->cache_tree = cache_tree();
-	prime_cache_tree_rec(istate->cache_tree, tree);
+	prime_cache_tree_rec(r, istate->cache_tree, tree);
 	istate->cache_changed |= CACHE_TREE_CHANGED;
 }
 
@@ -726,7 +729,8 @@ int cache_tree_matches_traversal(struct cache_tree *root,
 	return 0;
 }
 
-static void verify_one(struct index_state *istate,
+static void verify_one(struct repository *r,
+		       struct index_state *istate,
 		       struct cache_tree *it,
 		       struct strbuf *path)
 {
@@ -736,13 +740,13 @@ static void verify_one(struct index_state *istate,
 
 	for (i = 0; i < it->subtree_nr; i++) {
 		strbuf_addf(path, "%s/", it->down[i]->name);
-		verify_one(istate, it->down[i]->cache_tree, path);
+		verify_one(r, istate, it->down[i]->cache_tree, path);
 		strbuf_setlen(path, len);
 	}
 
 	if (it->entry_count < 0 ||
 	    /* no verification on tests (t7003) that replace trees */
-	    lookup_replace_object(the_repository, &it->oid) != &it->oid)
+	    lookup_replace_object(r, &it->oid) != &it->oid)
 		return;
 
 	if (path->len) {
@@ -793,12 +797,12 @@ static void verify_one(struct index_state *istate,
 	strbuf_release(&tree_buf);
 }
 
-void cache_tree_verify(struct index_state *istate)
+void cache_tree_verify(struct repository *r, struct index_state *istate)
 {
 	struct strbuf path = STRBUF_INIT;
 
 	if (!istate->cache_tree)
 		return;
-	verify_one(istate, istate->cache_tree, &path);
+	verify_one(r, istate, istate->cache_tree, &path);
 	strbuf_release(&path);
 }

cache-tree.h

@@ -32,7 +32,7 @@ struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
 
 int cache_tree_fully_valid(struct cache_tree *);
 int cache_tree_update(struct index_state *, int);
-void cache_tree_verify(struct index_state *);
+void cache_tree_verify(struct repository *, struct index_state *);
 
 /* bitmasks to write_cache_as_tree flags */
 #define WRITE_TREE_MISSING_OK 1
@@ -47,7 +47,7 @@ void cache_tree_verify(struct index_state *);
 #define WRITE_TREE_PREFIX_ERROR (-3)
 
 int write_index_as_tree(struct object_id *oid, struct index_state *index_state, const char *index_path, int flags, const char *prefix);
-void prime_cache_tree(struct index_state *, struct tree *);
+void prime_cache_tree(struct repository *, struct index_state *, struct tree *);
 
 int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info);
 

combine-diff.c

@@ -996,7 +996,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
 	if (!userdiff)
 		userdiff = userdiff_find_by_name("default");
 	if (opt->flags.allow_textconv)
-		textconv = userdiff_get_textconv(userdiff);
+		textconv = userdiff_get_textconv(opt->repo, userdiff);
 
 	/* Read the result of merge first */
 	if (!working_tree_file)

delta-islands.c

@@ -190,13 +190,15 @@ static void set_island_marks(struct object *obj, struct island_bitmap *marks)
 	island_bitmap_or(b, marks);
 }
 
-static void mark_remote_island_1(struct remote_island *rl, int is_core_island)
+static void mark_remote_island_1(struct repository *r,
+				 struct remote_island *rl,
+				 int is_core_island)
 {
 	uint32_t i;
 
 	for (i = 0; i < rl->oids.nr; ++i) {
 		struct island_bitmap *marks;
-		struct object *obj = parse_object(the_repository, &rl->oids.oid[i]);
+		struct object *obj = parse_object(r, &rl->oids.oid[i]);
 
 		if (!obj)
 			continue;
@@ -211,7 +213,7 @@ static void mark_remote_island_1(struct remote_island *rl, int is_core_island)
 		while (obj && obj->type == OBJ_TAG) {
 			obj = ((struct tag *)obj)->tagged;
 			if (obj) {
-				parse_object(the_repository, &obj->oid);
+				parse_object(r, &obj->oid);
 				marks = create_or_get_island_marks(obj);
 				island_bitmap_set(marks, island_counter);
 			}
@@ -237,7 +239,9 @@ static int tree_depth_compare(const void *a, const void *b)
 	return todo_a->depth - todo_b->depth;
 }
 
-void resolve_tree_islands(int progress, struct packing_data *to_pack)
+void resolve_tree_islands(struct repository *r,
+			  int progress,
+			  struct packing_data *to_pack)
 {
 	struct progress *progress_state = NULL;
 	struct tree_islands_todo *todo;
@@ -281,7 +285,7 @@ void resolve_tree_islands(int progress, struct packing_data *to_pack)
 
 		root_marks = kh_value(island_marks, pos);
 
-		tree = lookup_tree(the_repository, &ent->idx.oid);
+		tree = lookup_tree(r, &ent->idx.oid);
 		if (!tree || parse_tree(tree) < 0)
 			die(_("bad tree object %s"), oid_to_hex(&ent->idx.oid));
 
@@ -292,7 +296,7 @@ void resolve_tree_islands(int progress, struct packing_data *to_pack)
 			if (S_ISGITLINK(entry.mode))
 				continue;
 
-			obj = lookup_object(the_repository, entry.oid->hash);
+			obj = lookup_object(r, entry.oid->hash);
 			if (!obj)
 				continue;
 
@@ -415,7 +419,7 @@ static struct remote_island *get_core_island(void)
 	return NULL;
 }
 
-static void deduplicate_islands(void)
+static void deduplicate_islands(struct repository *r)
 {
 	struct remote_island *island, *core = NULL, **list;
 	unsigned int island_count, dst, src, ref, i = 0;
@@ -444,20 +448,20 @@ static void deduplicate_islands(void)
 	core = get_core_island();
 
 	for (i = 0; i < island_count; ++i) {
-		mark_remote_island_1(list[i], core && list[i]->hash == core->hash);
+		mark_remote_island_1(r, list[i], core && list[i]->hash == core->hash);
 	}
 
 	free(list);
 }
 
-void load_delta_islands(void)
+void load_delta_islands(struct repository *r)
 {
 	island_marks = kh_init_sha1();
 	remote_islands = kh_init_str();
 
 	git_config(island_config_callback, NULL);
 	for_each_ref(find_island_for_ref, NULL);
-	deduplicate_islands();
+	deduplicate_islands(r);
 
 	fprintf(stderr, _("Marked %d islands, done.\n"), island_counter);
 }

delta-islands.h

@@ -1,14 +1,17 @@
 #ifndef DELTA_ISLANDS_H
 #define DELTA_ISLANDS_H
 
+struct commit;
 struct object_id;
 struct packing_data;
-struct commit;
+struct repository;
 
 int island_delta_cmp(const struct object_id *a, const struct object_id *b);
 int in_same_island(const struct object_id *, const struct object_id *);
-void resolve_tree_islands(int progress, struct packing_data *to_pack);
-void load_delta_islands(void);
+void resolve_tree_islands(struct repository *r,
+			  int progress,
+			  struct packing_data *to_pack);
+void load_delta_islands(struct repository *r);
 void propagate_island_marks(struct commit *commit);
 int compute_pack_layers(struct packing_data *to_pack);
 

diff-lib.c

@@ -542,7 +542,7 @@ int do_diff_cache(const struct object_id *tree_oid, struct diff_options *opt)
 {
 	struct rev_info revs;
 
-	repo_init_revisions(the_repository, &revs, NULL);
+	repo_init_revisions(opt->repo, &revs, NULL);
 	copy_pathspec(&revs.prune_data, &opt->pathspec);
 	revs.diffopt = *opt;
 
@@ -551,13 +551,14 @@ int do_diff_cache(const struct object_id *tree_oid, struct diff_options *opt)
 	return 0;
 }
 
-int index_differs_from(const char *def, const struct diff_flags *flags,
+int index_differs_from(struct repository *r,
+		       const char *def, const struct diff_flags *flags,
 		       int ita_invisible_in_index)
 {
 	struct rev_info rev;
 	struct setup_revision_opt opt;
 
-	repo_init_revisions(the_repository, &rev, NULL);
+	repo_init_revisions(r, &rev, NULL);
 	memset(&opt, 0, sizeof(opt));
 	opt.def = def;
 	setup_revisions(0, NULL, &rev, &opt);

diff.c

@@ -3313,14 +3313,14 @@ void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const
 		options->b_prefix = b;
 }
 
-struct userdiff_driver *get_textconv(struct index_state *istate,
+struct userdiff_driver *get_textconv(struct repository *r,
 				     struct diff_filespec *one)
 {
 	if (!DIFF_FILE_VALID(one))
 		return NULL;
 
-	diff_filespec_load_driver(one, istate);
-	return userdiff_get_textconv(one->driver);
+	diff_filespec_load_driver(one, r->index);
+	return userdiff_get_textconv(r, one->driver);
 }
 
 static void builtin_diff(const char *name_a,
@@ -3369,8 +3369,8 @@ static void builtin_diff(const char *name_a,
 	}
 
 	if (o->flags.allow_textconv) {
-		textconv_one = get_textconv(o->repo->index, one);
-		textconv_two = get_textconv(o->repo->index, two);
+		textconv_one = get_textconv(o->repo, one);
+		textconv_two = get_textconv(o->repo, two);
 	}
 
 	/* Never use a non-valid filename anywhere if at all possible */
@@ -6434,7 +6434,7 @@ int textconv_object(struct repository *r,
 
 	df = alloc_filespec(path);
 	fill_filespec(df, oid, oid_valid, mode);
-	textconv = get_textconv(r->index, df);
+	textconv = get_textconv(r, df);
 	if (!textconv) {
 		free_filespec(df);
 		return 0;

diff.h

@@ -436,7 +436,8 @@ int diff_result_code(struct diff_options *, int);
 
 void diff_no_index(struct repository *, struct rev_info *, int, const char **);
 
-int index_differs_from(const char *def, const struct diff_flags *flags,
+int index_differs_from(struct repository *r, const char *def,
+		       const struct diff_flags *flags,
 		       int ita_invisible_in_index);
 
 /*
@@ -460,7 +461,7 @@ size_t fill_textconv(struct repository *r,
  * and only if it has textconv enabled (otherwise return NULL). The result
  * can be passed to fill_textconv().
  */
-struct userdiff_driver *get_textconv(struct index_state *istate,
+struct userdiff_driver *get_textconv(struct repository *r,
 				     struct diff_filespec *one);
 
 /*

diffcore-pickaxe.c

@@ -140,8 +140,8 @@ static int pickaxe_match(struct diff_filepair *p, struct diff_options *o,
 		return 0;
 
 	if (o->flags.allow_textconv) {
-		textconv_one = get_textconv(o->repo->index, p->one);
-		textconv_two = get_textconv(o->repo->index, p->two);
+		textconv_one = get_textconv(o->repo, p->one);
+		textconv_two = get_textconv(o->repo, p->two);
 	}
 
 	/*

grep.c

@@ -1805,7 +1805,7 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
 		 * is not thread-safe.
 		 */
 		grep_attr_lock();
-		textconv = userdiff_get_textconv(gs->driver);
+		textconv = userdiff_get_textconv(opt->repo, gs->driver);
 		grep_attr_unlock();
 	}
 

line-log.c

@@ -479,7 +479,7 @@ static struct commit *check_single_commit(struct rev_info *revs)
 		struct object *obj = revs->pending.objects[i].item;
 		if (obj->flags & UNINTERESTING)
 			continue;
-		obj = deref_tag(the_repository, obj, NULL, 0);
+		obj = deref_tag(revs->repo, obj, NULL, 0);
 		if (obj->type != OBJ_COMMIT)
 			die("Non commit %s?", revs->pending.objects[i].name);
 		if (commit)

list-objects-filter.c

@@ -34,6 +34,7 @@ struct filter_blobs_none_data {
 };
 
 static enum list_objects_filter_result filter_blobs_none(
+	struct repository *r,
 	enum list_objects_filter_situation filter_situation,
 	struct object *obj,
 	const char *pathname,
@@ -88,6 +89,7 @@ struct filter_trees_none_data {
 };
 
 static enum list_objects_filter_result filter_trees_none(
+	struct repository *r,
 	enum list_objects_filter_situation filter_situation,
 	struct object *obj,
 	const char *pathname,
@@ -144,6 +146,7 @@ struct filter_blobs_limit_data {
 };
 
 static enum list_objects_filter_result filter_blobs_limit(
+	struct repository *r,
 	enum list_objects_filter_situation filter_situation,
 	struct object *obj,
 	const char *pathname,
@@ -171,7 +174,7 @@ static enum list_objects_filter_result filter_blobs_limit(
 		assert(obj->type == OBJ_BLOB);
 		assert((obj->flags & SEEN) == 0);
 
-		t = oid_object_info(the_repository, &obj->oid, &object_length);
+		t = oid_object_info(r, &obj->oid, &object_length);
 		if (t != OBJ_BLOB) { /* probably OBJ_NONE */
 			/*
 			 * We DO NOT have the blob locally, so we cannot
@@ -249,6 +252,7 @@ struct filter_sparse_data {
 };
 
 static enum list_objects_filter_result filter_sparse(
+	struct repository *r,
 	enum list_objects_filter_situation filter_situation,
 	struct object *obj,
 	const char *pathname,
@@ -268,7 +272,7 @@ static enum list_objects_filter_result filter_sparse(
 		dtype = DT_DIR;
 		val = is_excluded_from_list(pathname, strlen(pathname),
 					    filename, &dtype, &filter_data->el,
-					    &the_index);
+					    r->index);
 		if (val < 0)
 			val = filter_data->array_frame[filter_data->nr].defval;
 
@@ -331,7 +335,7 @@ static enum list_objects_filter_result filter_sparse(
 		dtype = DT_REG;
 		val = is_excluded_from_list(pathname, strlen(pathname),
 					    filename, &dtype, &filter_data->el,
-					    &the_index);
+					    r->index);
 		if (val < 0)
 			val = frame->defval;
 		if (val > 0) {

list-objects-filter.h

@@ -4,6 +4,7 @@
 struct list_objects_filter_options;
 struct object;
 struct oidset;
+struct repository;
 
 /*
  * During list-object traversal we allow certain objects to be
@@ -60,6 +61,7 @@ enum list_objects_filter_situation {
 };
 
 typedef enum list_objects_filter_result (*filter_object_fn)(
+	struct repository *r,
 	enum list_objects_filter_situation filter_situation,
 	struct object *obj,
 	const char *pathname,

list-objects.c

@@ -55,7 +55,8 @@ static void process_blob(struct traversal_context *ctx,
 	pathlen = path->len;
 	strbuf_addstr(path, name);
 	if ((obj->flags & NOT_USER_GIVEN) && ctx->filter_fn)
-		r = ctx->filter_fn(LOFS_BLOB, obj,
+		r = ctx->filter_fn(ctx->revs->repo,
+				   LOFS_BLOB, obj,
 				   path->buf, &path->buf[pathlen],
 				   ctx->filter_data);
 	if (r & LOFR_MARK_SEEN)
@@ -122,7 +123,7 @@ static void process_tree_contents(struct traversal_context *ctx,
 		}
 
 		if (S_ISDIR(entry.mode)) {
-			struct tree *t = lookup_tree(the_repository, entry.oid);
+			struct tree *t = lookup_tree(ctx->revs->repo, entry.oid);
 			t->object.flags |= NOT_USER_GIVEN;
 			process_tree(ctx, t, base, entry.path);
 		}
@@ -130,7 +131,7 @@ static void process_tree_contents(struct traversal_context *ctx,
 			process_gitlink(ctx, entry.oid->hash,
 					base, entry.path);
 		else {
-			struct blob *b = lookup_blob(the_repository, entry.oid);
+			struct blob *b = lookup_blob(ctx->revs->repo, entry.oid);
 			b->object.flags |= NOT_USER_GIVEN;
 			process_blob(ctx, b, base, entry.path);
 		}
@@ -175,7 +176,8 @@ static void process_tree(struct traversal_context *ctx,
 
 	strbuf_addstr(base, name);
 	if ((obj->flags & NOT_USER_GIVEN) && ctx->filter_fn)
-		r = ctx->filter_fn(LOFS_BEGIN_TREE, obj,
+		r = ctx->filter_fn(ctx->revs->repo,
+				   LOFS_BEGIN_TREE, obj,
 				   base->buf, &base->buf[baselen],
 				   ctx->filter_data);
 	if (r & LOFR_MARK_SEEN)
@@ -191,7 +193,8 @@ static void process_tree(struct traversal_context *ctx,
 		process_tree_contents(ctx, tree, base);
 
 	if ((obj->flags & NOT_USER_GIVEN) && ctx->filter_fn) {
-		r = ctx->filter_fn(LOFS_END_TREE, obj,
+		r = ctx->filter_fn(ctx->revs->repo,
+				   LOFS_END_TREE, obj,
 				   base->buf, &base->buf[baselen],
 				   ctx->filter_data);
 		if (r & LOFR_MARK_SEEN)

notes-cache.c

@@ -5,7 +5,9 @@
 #include "commit.h"
 #include "refs.h"
 
-static int notes_cache_match_validity(const char *ref, const char *validity)
+static int notes_cache_match_validity(struct repository *r,
+				      const char *ref,
+				      const char *validity)
 {
 	struct object_id oid;
 	struct commit *commit;
@@ -16,7 +18,7 @@ static int notes_cache_match_validity(const char *ref, const char *validity)
 	if (read_ref(ref, &oid) < 0)
 		return 0;
 
-	commit = lookup_commit_reference_gently(the_repository, &oid, 1);
+	commit = lookup_commit_reference_gently(r, &oid, 1);
 	if (!commit)
 		return 0;
 
@@ -30,8 +32,8 @@ static int notes_cache_match_validity(const char *ref, const char *validity)
 	return ret;
 }
 
-void notes_cache_init(struct notes_cache *c, const char *name,
-		     const char *validity)
+void notes_cache_init(struct repository *r, struct notes_cache *c,
+		      const char *name, const char *validity)
 {
 	struct strbuf ref = STRBUF_INIT;
 	int flags = NOTES_INIT_WRITABLE;
@@ -40,7 +42,7 @@ void notes_cache_init(struct notes_cache *c, const char *name,
 	c->validity = xstrdup(validity);
 
 	strbuf_addf(&ref, "refs/notes/%s", name);
-	if (!notes_cache_match_validity(ref.buf, validity))
+	if (!notes_cache_match_validity(r, ref.buf, validity))
 		flags |= NOTES_INIT_EMPTY;
 	init_notes(&c->tree, ref.buf, combine_notes_overwrite, flags);
 	strbuf_release(&ref);

notes-cache.h

@@ -3,13 +3,15 @@
 
 #include "notes.h"
 
+struct repository;
+
 struct notes_cache {
 	struct notes_tree tree;
 	char *validity;
 };
 
-void notes_cache_init(struct notes_cache *c, const char *name,
-		     const char *validity);
+void notes_cache_init(struct repository *r, struct notes_cache *c,
+		      const char *name, const char *validity);
 int notes_cache_write(struct notes_cache *c);
 
 char *notes_cache_get(struct notes_cache *c, struct object_id *oid, size_t

notes-merge.c

@@ -18,11 +18,13 @@ struct notes_merge_pair {
 	struct object_id obj, base, local, remote;
 };
 
-void init_notes_merge_options(struct notes_merge_options *o)
+void init_notes_merge_options(struct repository *r,
+			      struct notes_merge_options *o)
 {
 	memset(o, 0, sizeof(struct notes_merge_options));
 	strbuf_init(&(o->commit_msg), 0);
 	o->verbosity = NOTES_MERGE_VERBOSITY_DEFAULT;
+	o->repo = r;
 }
 
 static int path_to_oid(const char *path, struct object_id *oid)
@@ -127,7 +129,7 @@ static struct notes_merge_pair *diff_tree_remote(struct notes_merge_options *o,
 	trace_printf("\tdiff_tree_remote(base = %.7s, remote = %.7s)\n",
 	       oid_to_hex(base), oid_to_hex(remote));
 
-	repo_diff_setup(the_repository, &opt);
+	repo_diff_setup(o->repo, &opt);
 	opt.flags.recursive = 1;
 	opt.output_format = DIFF_FORMAT_NO_OUTPUT;
 	diff_setup_done(&opt);
@@ -190,7 +192,7 @@ static void diff_tree_local(struct notes_merge_options *o,
 	trace_printf("\tdiff_tree_local(len = %i, base = %.7s, local = %.7s)\n",
 	       len, oid_to_hex(base), oid_to_hex(local));
 
-	repo_diff_setup(the_repository, &opt);
+	repo_diff_setup(o->repo, &opt);
 	opt.flags.recursive = 1;
 	opt.output_format = DIFF_FORMAT_NO_OUTPUT;
 	diff_setup_done(&opt);
@@ -350,7 +352,7 @@ static int ll_merge_in_worktree(struct notes_merge_options *o,
 
 	status = ll_merge(&result_buf, oid_to_hex(&p->obj), &base, NULL,
 			  &local, o->local_ref, &remote, o->remote_ref,
-			  &the_index, NULL);
+			  o->repo->index, NULL);
 
 	free(base.ptr);
 	free(local.ptr);
@@ -556,7 +558,7 @@ int notes_merge(struct notes_merge_options *o,
 	else if (!check_refname_format(o->local_ref, 0) &&
 		is_null_oid(&local_oid))
 		local = NULL; /* local_oid == null_oid indicates unborn ref */
-	else if (!(local = lookup_commit_reference(the_repository, &local_oid)))
+	else if (!(local = lookup_commit_reference(o->repo, &local_oid)))
 		die("Could not parse local commit %s (%s)",
 		    oid_to_hex(&local_oid), o->local_ref);
 	trace_printf("\tlocal commit: %.7s\n", oid_to_hex(&local_oid));
@@ -574,7 +576,7 @@ int notes_merge(struct notes_merge_options *o,
 			die("Failed to resolve remote notes ref '%s'",
 			    o->remote_ref);
 		}
-	} else if (!(remote = lookup_commit_reference(the_repository, &remote_oid))) {
+	} else if (!(remote = lookup_commit_reference(o->repo, &remote_oid))) {
 		die("Could not parse remote commit %s (%s)",
 		    oid_to_hex(&remote_oid), o->remote_ref);
 	}
@@ -711,7 +713,7 @@ int notes_merge_commit(struct notes_merge_options *o,
 		/* write file as blob, and add to partial_tree */
 		if (stat(path.buf, &st))
 			die_errno("Failed to stat '%s'", path.buf);
-		if (index_path(&the_index, &blob_oid, path.buf, &st, HASH_WRITE_OBJECT))
+		if (index_path(o->repo->index, &blob_oid, path.buf, &st, HASH_WRITE_OBJECT))
 			die("Failed to write blob object from '%s'", path.buf);
 		if (add_note(partial_tree, &obj_oid, &blob_oid, NULL))
 			die("Failed to add resolved note '%s' to notes tree",

notes-merge.h

@@ -6,6 +6,7 @@
 
 struct commit;
 struct object_id;
+struct repository;
 
 #define NOTES_MERGE_WORKTREE "NOTES_MERGE_WORKTREE"
 
@@ -15,6 +16,7 @@ enum notes_merge_verbosity {
 };
 
 struct notes_merge_options {
+	struct repository *repo;
 	const char *local_ref;
 	const char *remote_ref;
 	struct strbuf commit_msg;
@@ -23,7 +25,8 @@ struct notes_merge_options {
 	unsigned has_worktree:1;
 };
 
-void init_notes_merge_options(struct notes_merge_options *o);
+void init_notes_merge_options(struct repository *r,
+			      struct notes_merge_options *o);
 
 /*
  * Merge notes from o->remote_ref into o->local_ref

pack-bitmap-write.c

@@ -77,7 +77,7 @@ void bitmap_writer_build_type_index(struct packing_data *to_pack,
 			break;
 
 		default:
-			real_type = oid_object_info(the_repository,
+			real_type = oid_object_info(to_pack->repo,
 						    &entry->idx.oid, NULL);
 			break;
 		}
@@ -262,7 +262,7 @@ void bitmap_writer_build(struct packing_data *to_pack)
 	if (writer.show_progress)
 		writer.progress = start_progress("Building bitmaps", writer.selected_nr);
 
-	repo_init_revisions(the_repository, &revs, NULL);
+	repo_init_revisions(to_pack->repo, &revs, NULL);
 	revs.tag_objects = 1;
 	revs.tree_objects = 1;
 	revs.blob_objects = 1;
@@ -363,7 +363,7 @@ static int date_compare(const void *_a, const void *_b)
 void bitmap_writer_reuse_bitmaps(struct packing_data *to_pack)
 {
 	struct bitmap_index *bitmap_git;
-	if (!(bitmap_git = prepare_bitmap_git()))
+	if (!(bitmap_git = prepare_bitmap_git(to_pack->repo)))
 		return;
 
 	writer.reused = kh_init_sha1();

pack-bitmap.c

@@ -328,14 +328,15 @@ failed:
 	return -1;
 }
 
-static int open_pack_bitmap(struct bitmap_index *bitmap_git)
+static int open_pack_bitmap(struct repository *r,
+			    struct bitmap_index *bitmap_git)
 {
 	struct packed_git *p;
 	int ret = -1;
 
 	assert(!bitmap_git->map);
 
-	for (p = get_all_packs(the_repository); p; p = p->next) {
+	for (p = get_all_packs(r); p; p = p->next) {
 		if (open_pack_bitmap_1(bitmap_git, p) == 0)
 			ret = 0;
 	}
@@ -343,11 +344,11 @@ static int open_pack_bitmap(struct bitmap_index *bitmap_git)
 	return ret;
 }
 
-struct bitmap_index *prepare_bitmap_git(void)
+struct bitmap_index *prepare_bitmap_git(struct repository *r)
 {
 	struct bitmap_index *bitmap_git = xcalloc(1, sizeof(*bitmap_git));
 
-	if (!open_pack_bitmap(bitmap_git) && !load_pack_bitmap(bitmap_git))
+	if (!open_pack_bitmap(r, bitmap_git) && !load_pack_bitmap(bitmap_git))
 		return bitmap_git;
 
 	free_bitmap_index(bitmap_git);
@@ -690,7 +691,7 @@ struct bitmap_index *prepare_bitmap_walk(struct rev_info *revs)
 	struct bitmap_index *bitmap_git = xcalloc(1, sizeof(*bitmap_git));
 	/* try to open a bitmapped pack, but don't parse it yet
 	 * because we may not need to use it */
-	if (open_pack_bitmap(bitmap_git) < 0)
+	if (open_pack_bitmap(revs->repo, bitmap_git) < 0)
 		goto cleanup;
 
 	for (i = 0; i < revs->pending.nr; ++i) {
@@ -955,7 +956,7 @@ void test_bitmap_walk(struct rev_info *revs)
 	struct bitmap_test_data tdata;
 	struct bitmap_index *bitmap_git;
 
-	if (!(bitmap_git = prepare_bitmap_git()))
+	if (!(bitmap_git = prepare_bitmap_git(revs->repo)))
 		die("failed to load bitmap indexes");
 
 	if (revs->pending.nr != 1)

pack-bitmap.h

@@ -6,6 +6,7 @@
 #include "pack-objects.h"
 
 struct commit;
+struct repository;
 struct rev_info;
 
 struct bitmap_disk_header {
@@ -39,7 +40,7 @@ typedef int (*show_reachable_fn)(
 
 struct bitmap_index;
 
-struct bitmap_index *prepare_bitmap_git(void);
+struct bitmap_index *prepare_bitmap_git(struct repository *r);
 void count_bitmap_commit_list(struct bitmap_index *, uint32_t *commits,
 			      uint32_t *trees, uint32_t *blobs, uint32_t *tags);
 void traverse_bitmap_commit_list(struct bitmap_index *,

pack-check.c

@@ -48,7 +48,8 @@ int check_pack_crc(struct packed_git *p, struct pack_window **w_curs,
 	return data_crc != ntohl(*index_crc);
 }
 
-static int verify_packfile(struct packed_git *p,
+static int verify_packfile(struct repository *r,
+			   struct packed_git *p,
 			   struct pack_window **w_curs,
 			   verify_fn fn,
 			   struct progress *progress, uint32_t base_count)
@@ -135,7 +136,7 @@ static int verify_packfile(struct packed_git *p,
 			data = NULL;
 			data_valid = 0;
 		} else {
-			data = unpack_entry(the_repository, p, entries[i].offset, &type, &size);
+			data = unpack_entry(r, p, entries[i].offset, &type, &size);
 			data_valid = 1;
 		}
 
@@ -186,7 +187,7 @@ int verify_pack_index(struct packed_git *p)
 	return err;
 }
 
-int verify_pack(struct packed_git *p, verify_fn fn,
+int verify_pack(struct repository *r, struct packed_git *p, verify_fn fn,
 		struct progress *progress, uint32_t base_count)
 {
 	int err = 0;
@@ -196,7 +197,7 @@ int verify_pack(struct packed_git *p, verify_fn fn,
 	if (!p->index_data)
 		return -1;
 
-	err |= verify_packfile(p, &w_curs, fn, progress, base_count);
+	err |= verify_packfile(r, p, &w_curs, fn, progress, base_count);
 	unuse_pack(&w_curs);
 
 	return err;

pack-objects.c

@@ -99,7 +99,7 @@ static void prepare_in_pack_by_idx(struct packing_data *pdata)
 	 * (i.e. in_pack_idx also zero) should return NULL.
 	 */
 	mapping[cnt++] = NULL;
-	for (p = get_all_packs(the_repository); p; p = p->next, cnt++) {
+	for (p = get_all_packs(pdata->repo); p; p = p->next, cnt++) {
 		if (cnt == nr) {
 			free(mapping);
 			return;
@@ -133,8 +133,10 @@ void oe_map_new_pack(struct packing_data *pack,
 }
 
 /* assume pdata is already zero'd by caller */
-void prepare_packing_data(struct packing_data *pdata)
+void prepare_packing_data(struct repository *r, struct packing_data *pdata)
 {
+	pdata->repo = r;
+
 	if (git_env_bool("GIT_TEST_FULL_IN_PACK_ARRAY", 0)) {
 		/*
 		 * do not initialize in_pack_by_idx[] to force the

pack-objects.h

@@ -5,6 +5,8 @@
 #include "thread-utils.h"
 #include "pack.h"
 
+struct repository;
+
 #define DEFAULT_DELTA_CACHE_SIZE (256 * 1024 * 1024)
 
 #define OE_DFS_STATE_BITS	2
@@ -127,6 +129,7 @@ struct object_entry {
 };
 
 struct packing_data {
+	struct repository *repo;
 	struct object_entry *objects;
 	uint32_t nr_objects, nr_alloc;
 
@@ -163,7 +166,7 @@ struct packing_data {
 	unsigned char *layer;
 };
 
-void prepare_packing_data(struct packing_data *pdata);
+void prepare_packing_data(struct repository *r, struct packing_data *pdata);
 
 static inline void packing_data_lock(struct packing_data *pdata)
 {

pack.h

@@ -4,6 +4,8 @@
 #include "object.h"
 #include "csum-file.h"
 
+struct repository;
+
 /*
  * Packed object header
  */
@@ -80,7 +82,7 @@ typedef int (*verify_fn)(const struct object_id *, enum object_type, unsigned lo
 extern const char *write_idx_file(const char *index_name, struct pack_idx_entry **objects, int nr_objects, const struct pack_idx_option *, const unsigned char *sha1);
 extern int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, off_t offset, off_t len, unsigned int nr);
 extern int verify_pack_index(struct packed_git *);
-extern int verify_pack(struct packed_git *, verify_fn fn, struct progress *, uint32_t);
+extern int verify_pack(struct repository *, struct packed_git *, verify_fn fn, struct progress *, uint32_t);
 extern off_t write_pack_header(struct hashfile *f, uint32_t);
 extern void fixup_pack_header_footer(int, unsigned char *, const char *, uint32_t, unsigned char *, off_t);
 extern char *index_pack_lockfile(int fd);

read-cache.c

@@ -3146,7 +3146,7 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock,
 	struct split_index *si = istate->split_index;
 
 	if (git_env_bool("GIT_TEST_CHECK_CACHE_TREE", 0))
-		cache_tree_verify(istate);
+		cache_tree_verify(the_repository, istate);
 
 	if ((flags & SKIP_IF_UNCHANGED) && !istate->cache_changed) {
 		if (flags & COMMIT_LOCK)

rebase-interactive.c

@@ -53,7 +53,7 @@ void append_todo_help(unsigned edit_todo, unsigned keep_empty,
 	}
 }
 
-int edit_todo_list(unsigned flags)
+int edit_todo_list(struct repository *r, unsigned flags)
 {
 	struct strbuf buf = STRBUF_INIT;
 	const char *todo_file = rebase_path_todo();
@@ -69,7 +69,7 @@ int edit_todo_list(unsigned flags)
 
 	strbuf_release(&buf);
 
-	transform_todos(flags | TODO_LIST_SHORTEN_IDS);
+	transform_todos(r, flags | TODO_LIST_SHORTEN_IDS);
 
 	if (strbuf_read_file(&buf, todo_file, 0) < 0)
 		return error_errno(_("could not read '%s'."), todo_file);
@@ -85,7 +85,7 @@ int edit_todo_list(unsigned flags)
 	if (launch_sequence_editor(todo_file, NULL, NULL))
 		return -1;
 
-	transform_todos(flags & ~(TODO_LIST_SHORTEN_IDS));
+	transform_todos(r, flags & ~(TODO_LIST_SHORTEN_IDS));
 
 	return 0;
 }

rebase-interactive.h

@@ -1,8 +1,11 @@
 #ifndef REBASE_INTERACTIVE_H
 #define REBASE_INTERACTIVE_H
 
+struct strbuf;
+struct repository;
+
 void append_todo_help(unsigned edit_todo, unsigned keep_empty,
 		      struct strbuf *buf);
-int edit_todo_list(unsigned flags);
+int edit_todo_list(struct repository *r, unsigned flags);
 
 #endif

ref-filter.c

@@ -1417,7 +1417,7 @@ char *get_head_description(void)
 	struct strbuf desc = STRBUF_INIT;
 	struct wt_status_state state;
 	memset(&state, 0, sizeof(state));
-	wt_status_get_state(&state, 1);
+	wt_status_get_state(the_repository, &state, 1);
 	if (state.rebase_in_progress ||
 	    state.rebase_interactive_in_progress) {
 		if (state.branch)

rerere.c

@@ -198,10 +198,10 @@ static struct rerere_id *new_rerere_id(unsigned char *sha1)
  * work on (i.e. what is left by the previous invocation of "git
  * rerere" during the current conflict resolution session).
  */
-static void read_rr(struct string_list *rr)
+static void read_rr(struct repository *r, struct string_list *rr)
 {
 	struct strbuf buf = STRBUF_INIT;
-	FILE *in = fopen_or_warn(git_path_merge_rr(the_repository), "r");
+	FILE *in = fopen_or_warn(git_path_merge_rr(r), "r");
 
 	if (!in)
 		return;
@@ -593,7 +593,7 @@ int rerere_remaining(struct repository *r, struct string_list *merge_rr)
 {
 	int i;
 
-	if (setup_rerere(merge_rr, RERERE_READONLY))
+	if (setup_rerere(r, merge_rr, RERERE_READONLY))
 		return 0;
 	if (read_index(r->index) < 0)
 		return error(_("index file corrupt"));
@@ -882,7 +882,7 @@ static int is_rerere_enabled(void)
 	return 1;
 }
 
-int setup_rerere(struct string_list *merge_rr, int flags)
+int setup_rerere(struct repository *r, struct string_list *merge_rr, int flags)
 {
 	int fd;
 
@@ -896,9 +896,9 @@ int setup_rerere(struct string_list *merge_rr, int flags)
 		fd = 0;
 	else
 		fd = hold_lock_file_for_update(&write_lock,
-					       git_path_merge_rr(the_repository),
+					       git_path_merge_rr(r),
 					       LOCK_DIE_ON_ERROR);
-	read_rr(merge_rr);
+	read_rr(r, merge_rr);
 	return fd;
 }
 
@@ -912,7 +912,7 @@ int repo_rerere(struct repository *r, int flags)
 	struct string_list merge_rr = STRING_LIST_INIT_DUP;
 	int fd, status;
 
-	fd = setup_rerere(&merge_rr, flags);
+	fd = setup_rerere(r, &merge_rr, flags);
 	if (fd < 0)
 		return 0;
 	status = do_plain_rerere(r, &merge_rr, fd);
@@ -1110,7 +1110,7 @@ int rerere_forget(struct repository *r, struct pathspec *pathspec)
 	if (read_index(r->index) < 0)
 		return error(_("index file corrupt"));
 
-	fd = setup_rerere(&merge_rr, RERERE_NOAUTOUPDATE);
+	fd = setup_rerere(r, &merge_rr, RERERE_NOAUTOUPDATE);
 	if (fd < 0)
 		return 0;
 
@@ -1178,7 +1178,7 @@ static void prune_one(struct rerere_id *id,
 		unlink_rr_item(id);
 }
 
-void rerere_gc(struct string_list *rr)
+void rerere_gc(struct repository *r, struct string_list *rr)
 {
 	struct string_list to_remove = STRING_LIST_INIT_DUP;
 	DIR *dir;
@@ -1188,7 +1188,7 @@ void rerere_gc(struct string_list *rr)
 	timestamp_t cutoff_noresolve = now - 15 * 86400;
 	timestamp_t cutoff_resolve = now - 60 * 86400;
 
-	if (setup_rerere(rr, 0) < 0)
+	if (setup_rerere(r, rr, 0) < 0)
 		return;
 
 	git_config_get_expiry_in_days("gc.rerereresolved", &cutoff_resolve, now);
@@ -1236,11 +1236,11 @@ void rerere_gc(struct string_list *rr)
  *
  * NEEDSWORK: shouldn't we be calling this from "reset --hard"?
  */
-void rerere_clear(struct string_list *merge_rr)
+void rerere_clear(struct repository *r, struct string_list *merge_rr)
 {
 	int i;
 
-	if (setup_rerere(merge_rr, 0) < 0)
+	if (setup_rerere(r, merge_rr, 0) < 0)
 		return;
 
 	for (i = 0; i < merge_rr->nr; i++) {
@@ -1250,6 +1250,6 @@ void rerere_clear(struct string_list *merge_rr)
 			rmdir(rerere_path(id, NULL));
 		}
 	}
-	unlink_or_warn(git_path_merge_rr(the_repository));
+	unlink_or_warn(git_path_merge_rr(r));
 	rollback_lock_file(&write_lock);
 }

rerere.h

@@ -23,7 +23,7 @@ struct rerere_id {
 	int variant;
 };
 
-int setup_rerere(struct string_list *, int);
+int setup_rerere(struct repository *,struct string_list *, int);
 #ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
 #define rerere(flags) repo_rerere(the_repository, flags)
 #endif
@@ -37,8 +37,8 @@ int repo_rerere(struct repository *, int);
 const char *rerere_path(const struct rerere_id *, const char *file);
 int rerere_forget(struct repository *, struct pathspec *);
 int rerere_remaining(struct repository *, struct string_list *);
-void rerere_clear(struct string_list *);
-void rerere_gc(struct string_list *);
+void rerere_clear(struct repository *, struct string_list *);
+void rerere_gc(struct repository *, struct string_list *);
 
 #define OPT_RERERE_AUTOUPDATE(v) OPT_UYN(0, "rerere-autoupdate", (v), \
 	N_("update the index with reused conflict resolution if possible"))

sequencer.h

@@ -5,6 +5,7 @@
 #include "strbuf.h"
 
 struct commit;
+struct repository;
 
 const char *git_path_commit_editmsg(void);
 const char *git_path_seq_dir(void);
@@ -74,9 +75,10 @@ int write_message(const void *buf, size_t len, const char *filename,
 
 /* Call this to setup defaults before parsing command line options */
 void sequencer_init_config(struct replay_opts *opts);
-int sequencer_pick_revisions(struct replay_opts *opts);
-int sequencer_continue(struct replay_opts *opts);
-int sequencer_rollback(struct replay_opts *opts);
+int sequencer_pick_revisions(struct repository *repo,
+			     struct replay_opts *opts);
+int sequencer_continue(struct repository *repo, struct replay_opts *opts);
+int sequencer_rollback(struct repository *repo, struct replay_opts *opts);
 int sequencer_remove_state(struct replay_opts *opts);
 
 #define TODO_LIST_KEEP_EMPTY (1U << 0)
@@ -89,18 +91,19 @@ int sequencer_remove_state(struct replay_opts *opts);
  * commits should be rebased onto the new base, this flag needs to be passed.
  */
 #define TODO_LIST_REBASE_COUSINS (1U << 4)
-int sequencer_make_script(FILE *out, int argc, const char **argv,
+int sequencer_make_script(struct repository *repo, FILE *out,
+			  int argc, const char **argv,
 			  unsigned flags);
 
-int sequencer_add_exec_commands(const char *command);
-int transform_todos(unsigned flags);
+int sequencer_add_exec_commands(struct repository *r, const char *command);
+int transform_todos(struct repository *r, unsigned flags);
 enum missing_commit_check_level get_missing_commit_check_level(void);
-int check_todo_list(void);
-int complete_action(struct replay_opts *opts, unsigned flags,
+int check_todo_list(struct repository *r);
+int complete_action(struct repository *r, struct replay_opts *opts, unsigned flags,
 		    const char *shortrevisions, const char *onto_name,
 		    const char *onto, const char *orig_head, const char *cmd,
 		    unsigned autosquash);
-int rearrange_squash(void);
+int rearrange_squash(struct repository *r);
 
 extern const char sign_off_header[];
 
@@ -112,7 +115,7 @@ extern const char sign_off_header[];
  */
 void append_signoff(struct strbuf *msgbuf, size_t ignore_footer, unsigned flag);
 
-void append_conflicts_hint(struct strbuf *msgbuf);
+void append_conflicts_hint(struct index_state *istate, struct strbuf *msgbuf);
 int message_is_empty(const struct strbuf *sb,
 		     enum commit_msg_cleanup_mode cleanup_mode);
 int template_untouched(const struct strbuf *sb, const char *template_file,
@@ -128,7 +131,9 @@ int prepare_branch_to_be_rebased(struct replay_opts *opts, const char *commit);
 
 #define SUMMARY_INITIAL_COMMIT   (1 << 0)
 #define SUMMARY_SHOW_AUTHOR_DATE (1 << 1)
-void print_commit_summary(const char *prefix, const struct object_id *oid,
+void print_commit_summary(struct repository *repo,
+			  const char *prefix,
+			  const struct object_id *oid,
 			  unsigned int flags);
 
 int read_author_script(const char *path, char **name, char **email, char **date,

transport.c

@@ -154,7 +154,7 @@ static int fetch_refs_from_bundle(struct transport *transport,
 			       int nr_heads, struct ref **to_fetch)
 {
 	struct bundle_transport_data *data = transport->data;
-	return unbundle(&data->header, data->fd,
+	return unbundle(the_repository, &data->header, data->fd,
 			transport->progress ? BUNDLE_VERBOSE : 0);
 }
 
@@ -1105,7 +1105,8 @@ static int run_pre_push_hook(struct transport *transport,
 	return ret;
 }
 
-int transport_push(struct transport *transport,
+int transport_push(struct repository *r,
+		   struct transport *transport,
 		   struct refspec *rs, int flags,
 		   unsigned int *reject_reasons)
 {
@@ -1172,7 +1173,7 @@ int transport_push(struct transport *transport,
 					oid_array_append(&commits,
 							  &ref->new_oid);
 
-			if (!push_unpushed_submodules(the_repository,
+			if (!push_unpushed_submodules(r,
 						      &commits,
 						      transport->remote,
 						      rs,
@@ -1197,7 +1198,7 @@ int transport_push(struct transport *transport,
 					oid_array_append(&commits,
 							  &ref->new_oid);
 
-			if (find_unpushed_submodules(the_repository,
+			if (find_unpushed_submodules(r,
 						     &commits,
 						     transport->remote->name,
 						     &needs_pushing)) {

transport.h

@@ -223,7 +223,8 @@ void transport_set_verbosity(struct transport *transport, int verbosity,
 #define REJECT_FETCH_FIRST     0x08
 #define REJECT_NEEDS_FORCE     0x10
 
-int transport_push(struct transport *connection,
+int transport_push(struct repository *repo,
+		   struct transport *connection,
 		   struct refspec *rs, int flags,
 		   unsigned int * reject_reasons);
 

unpack-trees.c

@@ -1630,7 +1630,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
 		move_index_extensions(&o->result, o->src_index);
 		if (!ret) {
 			if (git_env_bool("GIT_TEST_CHECK_CACHE_TREE", 0))
-				cache_tree_verify(&o->result);
+				cache_tree_verify(the_repository, &o->result);
 			if (!o->result.cache_tree)
 				o->result.cache_tree = cache_tree();
 			if (!cache_tree_fully_valid(o->result.cache_tree))

userdiff.c

@@ -290,7 +290,8 @@ struct userdiff_driver *userdiff_find_by_path(struct index_state *istate,
 	return userdiff_find_by_name(check->items[0].value);
 }
 
-struct userdiff_driver *userdiff_get_textconv(struct userdiff_driver *driver)
+struct userdiff_driver *userdiff_get_textconv(struct repository *r,
+					      struct userdiff_driver *driver)
 {
 	if (!driver->textconv)
 		return NULL;
@@ -300,7 +301,7 @@ struct userdiff_driver *userdiff_get_textconv(struct userdiff_driver *driver)
 		struct strbuf name = STRBUF_INIT;
 
 		strbuf_addf(&name, "textconv/%s", driver->name);
-		notes_cache_init(c, name.buf, driver->textconv);
+		notes_cache_init(r, c, name.buf, driver->textconv);
 		driver->textconv_cache = c;
 		strbuf_release(&name);
 	}

userdiff.h

@@ -4,6 +4,7 @@
 #include "notes-cache.h"
 
 struct index_state;
+struct repository;
 
 struct userdiff_funcname {
 	const char *pattern;
@@ -30,6 +31,7 @@ struct userdiff_driver *userdiff_find_by_path(struct index_state *istate,
  * Initialize any textconv-related fields in the driver and return it, or NULL
  * if it does not have textconv enabled at all.
  */
-struct userdiff_driver *userdiff_get_textconv(struct userdiff_driver *driver);
+struct userdiff_driver *userdiff_get_textconv(struct repository *r,
+					      struct userdiff_driver *driver);
 
 #endif /* USERDIFF */

wt-status.c

@@ -119,9 +119,10 @@ static void status_printf_more(struct wt_status *s, const char *color,
 	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;
@@ -494,19 +495,19 @@ static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
 	}
 }
 
-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));
@@ -566,7 +567,8 @@ static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
 			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
@@ -585,7 +587,7 @@ static void wt_status_collect_changes_worktree(struct wt_status *s)
 {
 	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;
@@ -610,7 +612,7 @@ static void wt_status_collect_changes_index(struct wt_status *s)
 	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);
@@ -643,14 +645,15 @@ static void wt_status_collect_changes_index(struct wt_status *s)
 
 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;
@@ -684,6 +687,7 @@ static void wt_status_collect_untracked(struct wt_status *s)
 	int i;
 	struct dir_struct dir;
 	uint64_t t_begin = getnanotime();
+	struct index_state *istate = s->repo->index;
 
 	if (!s->show_untracked_files)
 		return;
@@ -698,25 +702,25 @@ static void wt_status_collect_untracked(struct wt_status *s)
 		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);
 	}
@@ -751,7 +755,7 @@ void wt_status_collect(struct wt_status *s)
 		wt_status_collect_changes_index(s);
 	wt_status_collect_untracked(s);
 
-	wt_status_get_state(&s->state, s->branch && !strcmp(s->branch, "HEAD"));
+	wt_status_get_state(s->repo, &s->state, s->branch && !strcmp(s->branch, "HEAD"));
 	if (s->state.merge_in_progress && !has_unmerged(s))
 		s->committable = 1;
 }
@@ -1009,7 +1013,7 @@ static void wt_longstatus_print_verbose(struct wt_status *s)
 	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;
 
@@ -1326,7 +1330,7 @@ static void show_rebase_in_progress(struct wt_status *s,
 				_("  (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,
@@ -1478,7 +1482,8 @@ static int grab_1st_switch(struct object_id *ooid, struct object_id *noid,
 	return 1;
 }
 
-static void wt_status_get_detached_from(struct wt_status_state *state)
+static void wt_status_get_detached_from(struct repository *r,
+					struct wt_status_state *state)
 {
 	struct grab_1st_switch_cbdata cb;
 	struct commit *commit;
@@ -1495,7 +1500,7 @@ static void wt_status_get_detached_from(struct wt_status_state *state)
 	    /* sha1 is a commit? match without further lookup */
 	    (oideq(&cb.noid, &oid) ||
 	     /* perhaps sha1 is a tag, try to dereference to a commit */
-	     ((commit = lookup_commit_reference_gently(the_repository, &oid, 1)) != NULL &&
+	     ((commit = lookup_commit_reference_gently(r, &oid, 1)) != NULL &&
 	      oideq(&cb.noid, &commit->object.oid)))) {
 		const char *from = ref;
 		if (!skip_prefix(from, "refs/tags/", &from))
@@ -1552,31 +1557,32 @@ int wt_status_check_bisect(const struct worktree *wt,
 	return 0;
 }
 
-void wt_status_get_state(struct wt_status_state *state,
+void wt_status_get_state(struct repository *r,
+			 struct wt_status_state *state,
 			 int get_detached_from)
 {
 	struct stat st;
 	struct object_id oid;
 
-	if (!stat(git_path_merge_head(the_repository), &st)) {
+	if (!stat(git_path_merge_head(r), &st)) {
 		wt_status_check_rebase(NULL, state);
 		state->merge_in_progress = 1;
 	} else if (wt_status_check_rebase(NULL, state)) {
 		;		/* all set */
-	} else if (!stat(git_path_cherry_pick_head(the_repository), &st) &&
+	} else if (!stat(git_path_cherry_pick_head(r), &st) &&
 			!get_oid("CHERRY_PICK_HEAD", &oid)) {
 		state->cherry_pick_in_progress = 1;
 		oidcpy(&state->cherry_pick_head_oid, &oid);
 	}
 	wt_status_check_bisect(NULL, state);
-	if (!stat(git_path_revert_head(the_repository), &st) &&
+	if (!stat(git_path_revert_head(r), &st) &&
 	    !get_oid("REVERT_HEAD", &oid)) {
 		state->revert_in_progress = 1;
 		oidcpy(&state->revert_head_oid, &oid);
 	}
 
 	if (get_detached_from)
-		wt_status_get_detached_from(state);
+		wt_status_get_detached_from(r, state);
 }
 
 static void wt_longstatus_print_state(struct wt_status *s)
@@ -2140,6 +2146,7 @@ static void wt_porcelain_v2_print_unmerged_entry(
 	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;
@@ -2178,11 +2185,11 @@ static void wt_porcelain_v2_print_unmerged_entry(
 	 */
 	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;
@@ -2307,12 +2314,12 @@ void wt_status_print(struct wt_status *s)
 /**
  * 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;
@@ -2326,15 +2333,16 @@ int has_unstaged_changes(int ignore_submodules)
 /**
  * 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;
@@ -2345,7 +2353,7 @@ int has_uncommitted_changes(int ignore_submodules)
 		 * 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, "");
 	}
 
@@ -2358,24 +2366,28 @@ int has_uncommitted_changes(int ignore_submodules)
  * 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

wt-status.h

@@ -7,6 +7,7 @@
 #include "pathspec.h"
 #include "remote.h"
 
+struct repository;
 struct worktree;
 
 enum color_wt_status {
@@ -83,6 +84,7 @@ struct wt_status_state {
 };
 
 struct wt_status {
+	struct repository *repo;
 	int is_initial;
 	char *branch;
 	const char *reference;
@@ -128,11 +130,13 @@ struct wt_status {
 
 size_t wt_status_locate_end(const char *s, size_t len);
 void wt_status_add_cut_line(FILE *fp);
-void wt_status_prepare(struct wt_status *s);
+void wt_status_prepare(struct repository *r, struct wt_status *s);
 void wt_status_print(struct wt_status *s);
 void wt_status_collect(struct wt_status *s);
 void wt_status_collect_free_buffers(struct wt_status *s);
-void wt_status_get_state(struct wt_status_state *state, int get_detached_from);
+void wt_status_get_state(struct repository *repo,
+			 struct wt_status_state *state,
+			 int get_detached_from);
 int wt_status_check_rebase(const struct worktree *wt,
 			   struct wt_status_state *state);
 int wt_status_check_bisect(const struct worktree *wt,
@@ -144,9 +148,14 @@ __attribute__((format (printf, 3, 4)))
 void status_printf(struct wt_status *s, const char *color, const char *fmt, ...);
 
 /* The following functions expect that the caller took care of reading the index. */
-int has_unstaged_changes(int ignore_submodules);
-int has_uncommitted_changes(int ignore_submodules);
-int require_clean_work_tree(const char *action, const char *hint,
-	int ignore_submodules, int gently);
+int has_unstaged_changes(struct repository *repo,
+			 int ignore_submodules);
+int has_uncommitted_changes(struct repository *repo,
+			    int ignore_submodules);
+int require_clean_work_tree(struct repository *repo,
+			    const char *action,
+			    const char *hint,
+			    int ignore_submodules,
+			    int gently);
 
 #endif /* STATUS_H */