Example #1
0
static int try_merge_strategy(const char *strategy, struct commit_list *common,
			      const char *head_arg)
{
	int index_fd;
	struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));

	index_fd = hold_locked_index(lock, 1);
	refresh_cache(REFRESH_QUIET);
	if (active_cache_changed &&
			(write_cache(index_fd, active_cache, active_nr) ||
			 commit_locked_index(lock)))
		return error(_("Unable to write index."));
	rollback_lock_file(lock);

	if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) {
		int clean, x;
		struct commit *result;
		struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
		int index_fd;
		struct commit_list *reversed = NULL;
		struct merge_options o;
		struct commit_list *j;

		if (remoteheads->next) {
			error(_("Not handling anything other than two heads merge."));
			return 2;
		}

		init_merge_options(&o);
		if (!strcmp(strategy, "subtree"))
			o.subtree_shift = "";

		o.renormalize = option_renormalize;
		o.show_rename_progress =
			show_progress == -1 ? isatty(2) : show_progress;

		for (x = 0; x < xopts_nr; x++)
			if (parse_merge_opt(&o, xopts[x]))
				die(_("Unknown option for merge-recursive: -X%s"), xopts[x]);

		o.branch1 = head_arg;
		o.branch2 = remoteheads->item->util;

		for (j = common; j; j = j->next)
			commit_list_insert(j->item, &reversed);

		index_fd = hold_locked_index(lock, 1);
		clean = merge_recursive(&o, lookup_commit(head),
				remoteheads->item, reversed, &result);
		if (active_cache_changed &&
				(write_cache(index_fd, active_cache, active_nr) ||
				 commit_locked_index(lock)))
			die (_("unable to write %s"), get_index_file());
		rollback_lock_file(lock);
		return clean ? 0 : 1;
	} else {
		return try_merge_command(strategy, xopts_nr, xopts,
						common, head_arg, remoteheads);
	}
}
Example #2
0
static int do_recursive_merge(struct commit *base, struct commit *next,
			      const char *base_label, const char *next_label,
			      unsigned char *head, struct strbuf *msgbuf,
			      struct replay_opts *opts)
{
	struct merge_options o;
	struct tree *result, *next_tree, *base_tree, *head_tree;
	int clean, index_fd;
	const char **xopt;
	static struct lock_file index_lock;

	index_fd = hold_locked_index(&index_lock, 1);

	read_cache();

	init_merge_options(&o);
	o.ancestor = base ? base_label : "(empty tree)";
	o.branch1 = "HEAD";
	o.branch2 = next ? next_label : "(empty tree)";

	head_tree = parse_tree_indirect(head);
	next_tree = next ? next->tree : empty_tree();
	base_tree = base ? base->tree : empty_tree();

	for (xopt = opts->xopts; xopt != opts->xopts + opts->xopts_nr; xopt++)
		parse_merge_opt(&o, *xopt);

	clean = merge_trees(&o,
			    head_tree,
			    next_tree, base_tree, &result);

	if (active_cache_changed &&
	    (write_cache(index_fd, active_cache, active_nr) ||
	     commit_locked_index(&index_lock)))
		/* TRANSLATORS: %s will be "revert" or "cherry-pick" */
		die(_("%s: Unable to write new index file"), action_name(opts));
	rollback_lock_file(&index_lock);

	if (opts->signoff)
		append_signoff(msgbuf, 0, 0);

	if (!clean) {
		int i;
		strbuf_addstr(msgbuf, "\nConflicts:\n");
		for (i = 0; i < active_nr;) {
			const struct cache_entry *ce = active_cache[i++];
			if (ce_stage(ce)) {
				strbuf_addch(msgbuf, '\t');
				strbuf_addstr(msgbuf, ce->name);
				strbuf_addch(msgbuf, '\n');
				while (i < active_nr && !strcmp(ce->name,
						active_cache[i]->name))
					i++;
			}
		}
	}

	return !clean;
}
Example #3
0
int cmd_merge_recursive(int argc, const char **argv, const char *prefix)
{
	const unsigned char *bases[21];
	unsigned bases_count = 0;
	int i, failed;
	unsigned char h1[20], h2[20];
	struct merge_options o;
	struct commit *result;

	init_merge_options(&o);
	if (argv[0] && ends_with(argv[0], "-subtree"))
		o.subtree_shift = "";

	if (argc < 4)
		usagef(builtin_merge_recursive_usage, argv[0]);

	for (i = 1; i < argc; ++i) {
		const char *arg = argv[i];

		if (starts_with(arg, "--")) {
			if (!arg[2])
				break;
			if (parse_merge_opt(&o, arg + 2))
				die("Unknown option %s", arg);
			continue;
		}
		if (bases_count < ARRAY_SIZE(bases)-1) {
			unsigned char *sha = xmalloc(20);
			if (get_sha1(argv[i], sha))
				die("Could not parse object '%s'", argv[i]);
			bases[bases_count++] = sha;
		}
		else
			warning("Cannot handle more than %d bases. "
				"Ignoring %s.",
				(int)ARRAY_SIZE(bases)-1, argv[i]);
	}
	if (argc - i != 3) /* "--" "<head>" "<remote>" */
		die("Not handling anything other than two heads merge.");

	o.branch1 = argv[++i];
	o.branch2 = argv[++i];

	if (get_sha1(o.branch1, h1))
		die("Could not resolve ref '%s'", o.branch1);
	if (get_sha1(o.branch2, h2))
		die("Could not resolve ref '%s'", o.branch2);

	o.branch1 = better_branch_name(o.branch1);
	o.branch2 = better_branch_name(o.branch2);

	if (o.verbosity >= 3)
		printf("Merging %s with %s\n", o.branch1, o.branch2);

	failed = merge_recursive_generic(&o, h1, h2, bases_count, bases, &result);
	if (failed < 0)
		return 128; /* die() error code */
	return failed;
}
Example #4
0
static void do_recursive_merge(struct commit *base, struct commit *next,
			       const char *base_label, const char *next_label,
			       unsigned char *head, struct strbuf *msgbuf,
			       char *defmsg)
{
	struct merge_options o;
	struct tree *result, *next_tree, *base_tree, *head_tree;
	int clean, index_fd;
	static struct lock_file index_lock;

	index_fd = hold_locked_index(&index_lock, 1);

	read_cache();
	init_merge_options(&o);
	o.ancestor = base ? base_label : "(empty tree)";
	o.branch1 = "HEAD";
	o.branch2 = next ? next_label : "(empty tree)";

	head_tree = parse_tree_indirect(head);
	next_tree = next ? next->tree : empty_tree();
	base_tree = base ? base->tree : empty_tree();

	clean = merge_trees(&o,
			    head_tree,
			    next_tree, base_tree, &result);

	if (active_cache_changed &&
	    (write_cache(index_fd, active_cache, active_nr) ||
	     commit_locked_index(&index_lock)))
		die("%s: Unable to write new index file", me);
	rollback_lock_file(&index_lock);

	if (!clean) {
		int i;
		strbuf_addstr(msgbuf, "\nConflicts:\n\n");
		for (i = 0; i < active_nr;) {
			struct cache_entry *ce = active_cache[i++];
			if (ce_stage(ce)) {
				strbuf_addch(msgbuf, '\t');
				strbuf_addstr(msgbuf, ce->name);
				strbuf_addch(msgbuf, '\n');
				while (i < active_nr && !strcmp(ce->name,
						active_cache[i]->name))
					i++;
			}
		}
		write_message(msgbuf, defmsg);
		fprintf(stderr, "Automatic %s failed.%s\n",
			me, help_msg());
		rerere(allow_rerere_auto);
		exit(1);
	}
	write_message(msgbuf, defmsg);
	fprintf(stderr, "Finished one %s.\n", me);
}
Example #5
0
static int
real_merge (SeafRepo *repo, SeafCommit *head, CloneTask *task)
{
    struct merge_options opts;
    char index_path[SEAF_PATH_MAX];
    struct index_state istate;
    char *root_id = NULL;
    int clean;

    memset (&istate, 0, sizeof(istate));
    snprintf (index_path, SEAF_PATH_MAX, "%s/%s", repo->manager->index_dir, repo->id);
    if (read_index_from (&istate, index_path) < 0) {
        seaf_warning ("Failed to load index.\n");
        return -1;
    }

    init_merge_options (&opts);
    opts.index = &istate;
    opts.worktree = task->worktree;
    opts.ancestor = "common ancestor";
    opts.branch1 = seaf->session->base.user_name;
    opts.branch2 = head->creator_name;
    opts.remote_head = head->commit_id;
    /* Don't need to check locked files on windows. */
    opts.force_merge = TRUE;
    if (repo->encrypted) {
        opts.crypt = seafile_crypt_new (repo->enc_version, 
                                        repo->enc_key, 
                                        repo->enc_iv);
    }

    /* Merge the downloaded branch with the current worktree contents.
     * EMPTY_SHA1 represents an empty common ancestor tree.
     */
    merge_recursive (&opts,
                     task->root_id, head->root_id, EMPTY_SHA1,
                     &clean, &root_id);
    g_free (root_id);

    if (update_index (&istate, index_path) < 0) {
        seaf_warning ("Failed to update index.\n");
        return -1;
    }

    /* We only update the worktree and index, but don't commit.
     * The next auto-commit cycle will check and do that for us.
     */

    discard_index (&istate);
    g_free (opts.crypt);
    clear_merge_options (&opts);

    return 0;
}
Example #6
0
static int do_recursive_merge(struct commit *base, struct commit *next,
			      const char *base_label, const char *next_label,
			      unsigned char *head, struct strbuf *msgbuf,
			      struct replay_opts *opts)
{
	struct merge_options o;
	struct tree *result, *next_tree, *base_tree, *head_tree;
	int clean;
	char **xopt;
	static struct lock_file index_lock;

	hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);

	read_cache();

	init_merge_options(&o);
	o.ancestor = base ? base_label : "(empty tree)";
	o.branch1 = "HEAD";
	o.branch2 = next ? next_label : "(empty tree)";

	head_tree = parse_tree_indirect(head);
	next_tree = next ? next->tree : empty_tree();
	base_tree = base ? base->tree : empty_tree();

	for (xopt = opts->xopts; xopt != opts->xopts + opts->xopts_nr; xopt++)
		parse_merge_opt(&o, *xopt);

	clean = merge_trees(&o,
			    head_tree,
			    next_tree, base_tree, &result);
	strbuf_release(&o.obuf);
	if (clean < 0)
		return clean;

	if (active_cache_changed &&
	    write_locked_index(&the_index, &index_lock, COMMIT_LOCK))
		/* TRANSLATORS: %s will be "revert" or "cherry-pick" */
		return error(_("%s: Unable to write new index file"),
			_(action_name(opts)));
	rollback_lock_file(&index_lock);

	if (opts->signoff)
		append_signoff(msgbuf, 0, 0);

	if (!clean)
		append_conflicts_hint(msgbuf);

	return !clean;
}
Example #7
0
/*
 * Get the new blocks that need to be checked out if we do a real merge.
 */
static int
get_new_blocks_merge (SeafRepo *repo, 
                      SeafCommit *head, 
                      SeafCommit *remote, 
                      SeafCommit *common,
                      BlockList **bl)
{
    struct merge_options opts;
    char index_path[SEAF_PATH_MAX];
    struct index_state istate;
    int ret, clean;

    memset (&istate, 0, sizeof(istate));
    snprintf (index_path, SEAF_PATH_MAX, "%s/%s", repo->manager->index_dir, repo->id);
    if (read_index_from (&istate, index_path) < 0) {
        g_warning ("Failed to load index.\n");
        return -1;
    }

    init_merge_options (&opts);
    opts.index = &istate;
    opts.worktree = repo->worktree;
    opts.ancestor = "common ancestor";
    opts.branch1 = seaf->session->base.user_name;
    opts.branch2 = remote->creator_name;
    opts.collect_blocks_only = TRUE;

    *bl = block_list_new();
    opts.bl = *bl;

    ret = merge_recursive (&opts,
                           head->root_id, remote->root_id, common->root_id,
                           &clean, NULL);

    clear_merge_options (&opts);
    discard_index (&istate);
    return ret;    
}
Example #8
0
static int do_apply_stash(const char *prefix, struct stash_info *info,
			  int index, int quiet)
{
	int ret;
	int has_index = index;
	struct merge_options o;
	struct object_id c_tree;
	struct object_id index_tree;
	struct commit *result;
	const struct object_id *bases[1];

	read_cache_preload(NULL);
	if (refresh_cache(REFRESH_QUIET))
		return -1;

	if (write_cache_as_tree(&c_tree, 0, NULL))
		return error(_("cannot apply a stash in the middle of a merge"));

	if (index) {
		if (oideq(&info->b_tree, &info->i_tree) ||
		    oideq(&c_tree, &info->i_tree)) {
			has_index = 0;
		} else {
			struct strbuf out = STRBUF_INIT;

			if (diff_tree_binary(&out, &info->w_commit)) {
				strbuf_release(&out);
				return error(_("could not generate diff %s^!."),
					     oid_to_hex(&info->w_commit));
			}

			ret = apply_cached(&out);
			strbuf_release(&out);
			if (ret)
				return error(_("conflicts in index."
					       "Try without --index."));

			discard_cache();
			read_cache();
			if (write_cache_as_tree(&index_tree, 0, NULL))
				return error(_("could not save index tree"));

			reset_head();
		}
	}

	if (info->has_u && restore_untracked(&info->u_tree))
		return error(_("could not restore untracked files from stash"));

	init_merge_options(&o, the_repository);

	o.branch1 = "Updated upstream";
	o.branch2 = "Stashed changes";

	if (oideq(&info->b_tree, &c_tree))
		o.branch1 = "Version stash was based on";

	if (quiet)
		o.verbosity = 0;

	if (o.verbosity >= 3)
		printf_ln(_("Merging %s with %s"), o.branch1, o.branch2);

	bases[0] = &info->b_tree;

	ret = merge_recursive_generic(&o, &c_tree, &info->w_tree, 1, bases,
				      &result);
	if (ret) {
		rerere(0);

		if (index)
			fprintf_ln(stderr, _("Index was not unstashed."));

		return ret;
	}

	if (has_index) {
		if (reset_tree(&index_tree, 0, 0))
			return -1;
	} else {
		struct strbuf out = STRBUF_INIT;

		if (get_newly_staged(&out, &c_tree)) {
			strbuf_release(&out);
			return -1;
		}

		if (reset_tree(&c_tree, 0, 1)) {
			strbuf_release(&out);
			return -1;
		}

		ret = update_index(&out);
		strbuf_release(&out);
		if (ret)
			return -1;

		discard_cache();
	}

	if (quiet) {
		if (refresh_cache(REFRESH_QUIET))
			warning("could not refresh index");
	} else {
		struct child_process cp = CHILD_PROCESS_INIT;

		/*
		 * Status is quite simple and could be replaced with calls to
		 * wt_status in the future, but it adds complexities which may
		 * require more tests.
		 */
		cp.git_cmd = 1;
		cp.dir = prefix;
		argv_array_push(&cp.args, "status");
		run_command(&cp);
	}

	return 0;
}
Example #9
0
static int merge_working_tree(const struct checkout_opts *opts,
			      struct branch_info *old_branch_info,
			      struct branch_info *new_branch_info,
			      int *writeout_error)
{
	int ret;
	struct lock_file lock_file = LOCK_INIT;

	hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
	if (read_cache_preload(NULL) < 0)
		return error(_("index file corrupt"));

	resolve_undo_clear();
	if (opts->force) {
		ret = reset_tree(get_commit_tree(new_branch_info->commit),
				 opts, 1, writeout_error);
		if (ret)
			return ret;
	} else {
		struct tree_desc trees[2];
		struct tree *tree;
		struct unpack_trees_options topts;

		memset(&topts, 0, sizeof(topts));
		topts.head_idx = -1;
		topts.src_index = &the_index;
		topts.dst_index = &the_index;

		setup_unpack_trees_porcelain(&topts, "checkout");

		refresh_cache(REFRESH_QUIET);

		if (unmerged_cache()) {
			error(_("you need to resolve your current index first"));
			return 1;
		}

		/* 2-way merge to the new branch */
		topts.initial_checkout = is_cache_unborn();
		topts.update = 1;
		topts.merge = 1;
		topts.gently = opts->merge && old_branch_info->commit;
		topts.verbose_update = opts->show_progress;
		topts.fn = twoway_merge;
		if (opts->overwrite_ignore) {
			topts.dir = xcalloc(1, sizeof(*topts.dir));
			topts.dir->flags |= DIR_SHOW_IGNORED;
			setup_standard_excludes(topts.dir);
		}
		tree = parse_tree_indirect(old_branch_info->commit ?
					   &old_branch_info->commit->object.oid :
					   the_hash_algo->empty_tree);
		init_tree_desc(&trees[0], tree->buffer, tree->size);
		tree = parse_tree_indirect(&new_branch_info->commit->object.oid);
		init_tree_desc(&trees[1], tree->buffer, tree->size);

		ret = unpack_trees(2, trees, &topts);
		clear_unpack_trees_porcelain(&topts);
		if (ret == -1) {
			/*
			 * Unpack couldn't do a trivial merge; either
			 * give up or do a real merge, depending on
			 * whether the merge flag was used.
			 */
			struct tree *result;
			struct tree *work;
			struct merge_options o;
			if (!opts->merge)
				return 1;

			/*
			 * Without old_branch_info->commit, the below is the same as
			 * the two-tree unpack we already tried and failed.
			 */
			if (!old_branch_info->commit)
				return 1;

			/* Do more real merge */

			/*
			 * We update the index fully, then write the
			 * tree from the index, then merge the new
			 * branch with the current tree, with the old
			 * branch as the base. Then we reset the index
			 * (but not the working tree) to the new
			 * branch, leaving the working tree as the
			 * merged version, but skipping unmerged
			 * entries in the index.
			 */

			add_files_to_cache(NULL, NULL, 0);
			/*
			 * NEEDSWORK: carrying over local changes
			 * when branches have different end-of-line
			 * normalization (or clean+smudge rules) is
			 * a pain; plumb in an option to set
			 * o.renormalize?
			 */
			init_merge_options(&o, the_repository);
			o.verbosity = 0;
			work = write_tree_from_memory(&o);

			ret = reset_tree(get_commit_tree(new_branch_info->commit),
					 opts, 1,
					 writeout_error);
			if (ret)
				return ret;
			o.ancestor = old_branch_info->name;
			o.branch1 = new_branch_info->name;
			o.branch2 = "local";
			ret = merge_trees(&o,
					  get_commit_tree(new_branch_info->commit),
					  work,
					  get_commit_tree(old_branch_info->commit),
					  &result);
			if (ret < 0)
				exit(128);
			ret = reset_tree(get_commit_tree(new_branch_info->commit),
					 opts, 0,
					 writeout_error);
			strbuf_release(&o.obuf);
			if (ret)
				return ret;
		}
	}

	if (!active_cache_tree)
		active_cache_tree = cache_tree();

	if (!cache_tree_fully_valid(active_cache_tree))
		cache_tree_update(&the_index, WRITE_TREE_SILENT | WRITE_TREE_REPAIR);

	if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
		die(_("unable to write new index file"));

	if (!opts->force && !opts->quiet)
		show_local_changes(&new_branch_info->commit->object, &opts->diff_options);

	return 0;
}
Example #10
0
static int try_merge_strategy(const char *strategy, struct commit_list *common,
			      const char *head_arg)
{
	const char **args;
	int i = 0, ret;
	struct commit_list *j;
	struct strbuf buf = STRBUF_INIT;
	int index_fd;
	struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));

	index_fd = hold_locked_index(lock, 1);
	refresh_cache(REFRESH_QUIET);
	if (active_cache_changed &&
			(write_cache(index_fd, active_cache, active_nr) ||
			 commit_locked_index(lock)))
		return error("Unable to write index.");
	rollback_lock_file(lock);

	if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) {
		int clean;
		struct commit *result;
		struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
		int index_fd;
		struct commit_list *reversed = NULL;
		struct merge_options o;

		if (remoteheads->next) {
			error("Not handling anything other than two heads merge.");
			return 2;
		}

		init_merge_options(&o);
		if (!strcmp(strategy, "subtree"))
			o.subtree_merge = 1;

		o.branch1 = head_arg;
		o.branch2 = remoteheads->item->util;

		for (j = common; j; j = j->next)
			commit_list_insert(j->item, &reversed);

		index_fd = hold_locked_index(lock, 1);
		clean = merge_recursive(&o, lookup_commit(head),
				remoteheads->item, reversed, &result);
		if (active_cache_changed &&
				(write_cache(index_fd, active_cache, active_nr) ||
				 commit_locked_index(lock)))
			die ("unable to write %s", get_index_file());
		rollback_lock_file(lock);
		return clean ? 0 : 1;
	} else {
		args = xmalloc((4 + commit_list_count(common) +
					commit_list_count(remoteheads)) * sizeof(char *));
		strbuf_addf(&buf, "merge-%s", strategy);
		args[i++] = buf.buf;
		for (j = common; j; j = j->next)
			args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1));
		args[i++] = "--";
		args[i++] = head_arg;
		for (j = remoteheads; j; j = j->next)
			args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1));
		args[i] = NULL;
		ret = run_command_v_opt(args, RUN_GIT_CMD);
		strbuf_release(&buf);
		i = 1;
		for (j = common; j; j = j->next)
			free((void *)args[i++]);
		i += 2;
		for (j = remoteheads; j; j = j->next)
			free((void *)args[i++]);
		free(args);
		discard_cache();
		if (read_cache() < 0)
			die("failed to read the cache");
		return ret;
	}
}
Example #11
0
static int
do_real_merge (SeafRepo *repo, 
               SeafBranch *head_branch,
               SeafCommit *head,
               SeafBranch *remote_branch, 
               SeafCommit *remote,
               SeafCommit *common,
               gboolean recover_merge,
               char **error)
{
    struct merge_options opts;
    char index_path[SEAF_PATH_MAX];
    struct index_state istate;
    char *root_id = NULL;
    SeafCommit *merged;
    int ret = 0, clean;

    memset (&istate, 0, sizeof(istate));
    snprintf (index_path, SEAF_PATH_MAX, "%s/%s", repo->manager->index_dir, repo->id);
    if (read_index_from (&istate, index_path) < 0) {
        g_warning ("Failed to load index.\n");
        *error = g_strdup ("Internal error.\n");
        return -1;
    }

    init_merge_options (&opts);
    opts.index = &istate;
    opts.worktree = repo->worktree;
    opts.ancestor = "common ancestor";
    opts.branch1 = seaf->session->base.user_name;
    opts.branch2 = remote->creator_name;
    opts.remote_head = remote->commit_id;
    opts.recover_merge = recover_merge;
    if (repo->encrypted) {
        opts.crypt = seafile_crypt_new (repo->enc_version, 
                                        repo->enc_key, 
                                        repo->enc_iv);
    }

    ret = merge_recursive (&opts,
                           head->root_id, remote->root_id, common->root_id,
                           &clean, &root_id);
    if (ret < 0)
        goto out;

    if (update_index (&istate, index_path) < 0) {
        *error = g_strdup ("Internal error.\n");
        ret = -1;
        goto out;
    }

    if (clean) {
        merged = seaf_commit_new (NULL,
                                  repo->id,
                                  root_id,
                                  repo->email ? repo->email
                                  : seaf->session->base.user_name,
                                  seaf->session->base.id,
                                  "Auto merge by seafile system",
                                  0);

        merged->parent_id = g_strdup(head->commit_id);
        merged->second_parent_id = g_strdup(remote->commit_id);

        seaf_repo_to_commit (repo, merged);

        if (seaf_commit_manager_add_commit (seaf->commit_mgr, merged) < 0) {
            seaf_commit_unref (merged);
            *error = g_strdup ("Internal error.\n");
            ret = -1;
            goto out;
        }
        seaf_branch_set_commit (head_branch, merged->commit_id);
        seaf_branch_manager_update_branch (seaf->branch_mgr, head_branch);
        g_debug ("Auto merged.\n");

        seaf_commit_unref (merged);
    } else {
        ret = -1;
        g_debug ("Auto merge failed.\n");
    }

out:
    if (root_id)
        g_free (root_id);
    g_free (opts.crypt);
    clear_merge_options (&opts);
    discard_index (&istate);
    return ret;
}