Make struct cmd local to cmd.c and move it out of tmux.h.

65 files changed, 377 insertions, 272 deletions

diff --git a/usr.bin/tmux/client.c b/usr.bin/tmux/client.c
index 71ec7358c1c..ccb3ddce812 100644
--- a/usr.bin/tmux/client.c
+++ b/usr.bin/tmux/client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: client.c,v 1.140 2020/04/09 13:52:32 nicm Exp $ */
+/* $OpenBSD: client.c,v 1.141 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -236,7 +236,6 @@ int
 client_main(struct event_base *base, int argc, char **argv, int flags)
 {
 	struct cmd_parse_result	*pr;
-	struct cmd		*cmd;
 	struct msg_command	*data;
 	int			 fd, i;
 	const char		*ttynam, *cwd;
@@ -265,10 +264,8 @@ client_main(struct event_base *base, int argc, char **argv, int flags)
 		 */
 		pr = cmd_parse_from_arguments(argc, argv, NULL);
 		if (pr->status == CMD_PARSE_SUCCESS) {
-			TAILQ_FOREACH(cmd, &pr->cmdlist->list, qentry) {
-				if (cmd->entry->flags & CMD_STARTSERVER)
-					flags |= CLIENT_STARTSERVER;
-			}
+			if (cmd_list_any_have(pr->cmdlist, CMD_STARTSERVER))
+				flags |= CLIENT_STARTSERVER;
 			cmd_list_free(pr->cmdlist);
 		} else
 			free(pr->error);
diff --git a/usr.bin/tmux/cmd-attach-session.c b/usr.bin/tmux/cmd-attach-session.c
index 0dd4677c040..0c1de1c8177 100644
--- a/usr.bin/tmux/cmd-attach-session.c
+++ b/usr.bin/tmux/cmd-attach-session.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-attach-session.c,v 1.79 2019/11/29 16:04:07 nicm Exp $ */
+/* $OpenBSD: cmd-attach-session.c,v 1.80 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -177,7 +177,7 @@ cmd_attach_session(struct cmdq_item *item, const char *tflag, int dflag,
 static enum cmd_retval
 cmd_attach_session_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 
 	return (cmd_attach_session(item, args_get(args, 't'),
 	    args_has(args, 'd'), args_has(args, 'x'), args_has(args, 'r'),
diff --git a/usr.bin/tmux/cmd-bind-key.c b/usr.bin/tmux/cmd-bind-key.c
index 71a75e889c8..c68a3a57b98 100644
--- a/usr.bin/tmux/cmd-bind-key.c
+++ b/usr.bin/tmux/cmd-bind-key.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-bind-key.c,v 1.36 2020/01/30 08:02:25 nicm Exp $ */
+/* $OpenBSD: cmd-bind-key.c,v 1.37 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -44,7 +44,7 @@ const struct cmd_entry cmd_bind_key_entry = {
 static enum cmd_retval
 cmd_bind_key_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		 *args = self->args;
+	struct args		 *args = cmd_get_args(self);
 	key_code		  key;
 	const char		 *tablename, *note;
 	struct cmd_parse_result	 *pr;
diff --git a/usr.bin/tmux/cmd-break-pane.c b/usr.bin/tmux/cmd-break-pane.c
index 6a1e4097219..8725bcac189 100644
--- a/usr.bin/tmux/cmd-break-pane.c
+++ b/usr.bin/tmux/cmd-break-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-break-pane.c,v 1.50 2019/11/28 09:45:15 nicm Exp $ */
+/* $OpenBSD: cmd-break-pane.c,v 1.51 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -48,7 +48,7 @@ const struct cmd_entry cmd_break_pane_entry = {
 static enum cmd_retval
 cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*current = &item->shared->current;
 	struct client		*c = cmd_find_client(item, NULL, 1);
 	struct winlink		*wl = item->source.wl;
@@ -98,7 +98,7 @@ cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
 	if (idx == -1)
 		idx = -1 - options_get_number(dst_s->options, "base-index");
 	wl = session_attach(dst_s, w, idx, &cause); /* can't fail */
-	if (!args_has(self->args, 'd')) {
+	if (!args_has(args, 'd')) {
 		session_select(dst_s, wl->idx);
 		cmd_find_from_session(current, dst_s, 0);
 	}
diff --git a/usr.bin/tmux/cmd-capture-pane.c b/usr.bin/tmux/cmd-capture-pane.c
index 3d45c3565ff..1542d0be134 100644
--- a/usr.bin/tmux/cmd-capture-pane.c
+++ b/usr.bin/tmux/cmd-capture-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-capture-pane.c,v 1.51 2020/03/31 07:00:34 nicm Exp $ */
+/* $OpenBSD: cmd-capture-pane.c,v 1.52 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Jonathan Alvarado <radobobo@users.sourceforge.net>
@@ -192,14 +192,14 @@ cmd_capture_pane_history(struct args *args, struct cmdq_item *item,
 static enum cmd_retval
 cmd_capture_pane_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct client		*c = item->client;
 	struct window_pane	*wp = item->target.wp;
 	char			*buf, *cause;
 	const char		*bufname;
 	size_t			 len;
 
-	if (self->entry == &cmd_clear_history_entry) {
+	if (cmd_get_entry(self) == &cmd_clear_history_entry) {
 		window_pane_reset_mode_all(wp);
 		grid_clear_history(wp->base.grid);
 		return (CMD_RETURN_NORMAL);
diff --git a/usr.bin/tmux/cmd-choose-tree.c b/usr.bin/tmux/cmd-choose-tree.c
index ab41867cce8..9ef2ed589e3 100644
--- a/usr.bin/tmux/cmd-choose-tree.c
+++ b/usr.bin/tmux/cmd-choose-tree.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-choose-tree.c,v 1.44 2020/04/10 07:44:26 nicm Exp $ */
+/* $OpenBSD: cmd-choose-tree.c,v 1.45 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
@@ -71,15 +71,15 @@ const struct cmd_entry cmd_choose_buffer_entry = {
 static enum cmd_retval
 cmd_choose_tree_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	struct window_pane		*wp = item->target.wp;
 	const struct window_mode	*mode;
 
-	if (self->entry == &cmd_choose_buffer_entry) {
+	if (cmd_get_entry(self) == &cmd_choose_buffer_entry) {
 		if (paste_get_top(NULL) == NULL)
 			return (CMD_RETURN_NORMAL);
 		mode = &window_buffer_mode;
-	} else if (self->entry == &cmd_choose_client_entry) {
+	} else if (cmd_get_entry(self) == &cmd_choose_client_entry) {
 		if (server_client_how_many() == 0)
 			return (CMD_RETURN_NORMAL);
 		mode = &window_client_mode;
diff --git a/usr.bin/tmux/cmd-command-prompt.c b/usr.bin/tmux/cmd-command-prompt.c
index 92486be0e17..832eaa6af95 100644
--- a/usr.bin/tmux/cmd-command-prompt.c
+++ b/usr.bin/tmux/cmd-command-prompt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-command-prompt.c,v 1.47 2020/01/27 08:53:13 nicm Exp $ */
+/* $OpenBSD: cmd-command-prompt.c,v 1.48 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -64,7 +64,7 @@ struct cmd_command_prompt_cdata {
 static enum cmd_retval
 cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	const char			*inputs, *prompts;
 	struct cmd_command_prompt_cdata	*cdata;
 	struct client			*c;
diff --git a/usr.bin/tmux/cmd-confirm-before.c b/usr.bin/tmux/cmd-confirm-before.c
index 66395109638..ce9a0befbab 100644
--- a/usr.bin/tmux/cmd-confirm-before.c
+++ b/usr.bin/tmux/cmd-confirm-before.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-confirm-before.c,v 1.37 2019/05/23 11:13:30 nicm Exp $ */
+/* $OpenBSD: cmd-confirm-before.c,v 1.38 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -53,7 +53,7 @@ struct cmd_confirm_before_data {
 static enum cmd_retval
 cmd_confirm_before_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	struct cmd_confirm_before_data	*cdata;
 	struct client			*c;
 	char				*cmd, *copy, *new_prompt, *ptr;
diff --git a/usr.bin/tmux/cmd-copy-mode.c b/usr.bin/tmux/cmd-copy-mode.c
index ce902d9d12f..911fedbbca5 100644
--- a/usr.bin/tmux/cmd-copy-mode.c
+++ b/usr.bin/tmux/cmd-copy-mode.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-copy-mode.c,v 1.41 2020/04/10 07:44:26 nicm Exp $ */
+/* $OpenBSD: cmd-copy-mode.c,v 1.42 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -56,7 +56,7 @@ const struct cmd_entry cmd_clock_mode_entry = {
 static enum cmd_retval
 cmd_copy_mode_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct cmdq_shared	*shared = item->shared;
 	struct client		*c = item->client;
 	struct session		*s;
@@ -74,7 +74,7 @@ cmd_copy_mode_exec(struct cmd *self, struct cmdq_item *item)
 			return (CMD_RETURN_NORMAL);
 	}
 
-	if (self->entry == &cmd_clock_mode_entry) {
+	if (cmd_get_entry(self) == &cmd_clock_mode_entry) {
 		window_pane_set_mode(wp, NULL, &window_clock_mode, NULL, NULL);
 		return (CMD_RETURN_NORMAL);
 	}
@@ -87,7 +87,7 @@ cmd_copy_mode_exec(struct cmd *self, struct cmdq_item *item)
 		if (args_has(args, 'M'))
 			window_copy_start_drag(c, &shared->mouse);
 	}
-	if (args_has(self->args, 'u'))
+	if (args_has(args, 'u'))
 		window_copy_pageup(wp, 0);
 
 	return (CMD_RETURN_NORMAL);
diff --git a/usr.bin/tmux/cmd-detach-client.c b/usr.bin/tmux/cmd-detach-client.c
index 025050e5a75..d2afb64c11b 100644
--- a/usr.bin/tmux/cmd-detach-client.c
+++ b/usr.bin/tmux/cmd-detach-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-detach-client.c,v 1.32 2017/04/22 10:22:39 nicm Exp $ */
+/* $OpenBSD: cmd-detach-client.c,v 1.33 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -57,7 +57,7 @@ const struct cmd_entry cmd_suspend_client_entry = {
 static enum cmd_retval
 cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	struct client	*c, *cloop;
 	struct session	*s;
 	enum msgtype	 msgtype;
@@ -66,7 +66,7 @@ cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item)
 	if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
 		return (CMD_RETURN_ERROR);
 
-	if (self->entry == &cmd_suspend_client_entry) {
+	if (cmd_get_entry(self) == &cmd_suspend_client_entry) {
 		server_client_suspend(c);
 		return (CMD_RETURN_NORMAL);
 	}
diff --git a/usr.bin/tmux/cmd-display-menu.c b/usr.bin/tmux/cmd-display-menu.c
index a1276063064..9d2eb206fcc 100644
--- a/usr.bin/tmux/cmd-display-menu.c
+++ b/usr.bin/tmux/cmd-display-menu.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-display-menu.c,v 1.12 2020/04/08 10:58:09 nicm Exp $ */
+/* $OpenBSD: cmd-display-menu.c,v 1.13 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -171,7 +171,7 @@ cmd_display_menu_get_position(struct client *c, struct cmdq_item *item,
 static enum cmd_retval
 cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct client		*c;
 	struct session		*s = item->target.s;
 	struct winlink		*wl = item->target.wl;
@@ -239,7 +239,7 @@ cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
 static enum cmd_retval
 cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct client		*c;
 	struct cmd_find_state	*fs = &item->target;
 	const char		*value, *cmd = NULL, **lines = NULL;
diff --git a/usr.bin/tmux/cmd-display-message.c b/usr.bin/tmux/cmd-display-message.c
index e7b59eb9456..b8390ded740 100644
--- a/usr.bin/tmux/cmd-display-message.c
+++ b/usr.bin/tmux/cmd-display-message.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-display-message.c,v 1.50 2019/05/30 20:54:03 nicm Exp $ */
+/* $OpenBSD: cmd-display-message.c,v 1.51 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -60,7 +60,7 @@ cmd_display_message_each(const char *key, const char *value, void *arg)
 static enum cmd_retval
 cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct client		*c, *target_c;
 	struct session		*s = item->target.s;
 	struct winlink		*wl = item->target.wl;
@@ -101,7 +101,7 @@ cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
 		target_c = c;
 	else
 		target_c = cmd_find_best_client(s);
-	if (args_has(self->args, 'v'))
+	if (args_has(args, 'v'))
 		flags = FORMAT_VERBOSE;
 	else
 		flags = 0;
@@ -114,7 +114,7 @@ cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
 	}
 
 	msg = format_expand_time(ft, template);
-	if (args_has(self->args, 'p'))
+	if (args_has(args, 'p'))
 		cmdq_print(item, "%s", msg);
 	else if (c != NULL)
 		status_message_set(c, "%s", msg);
diff --git a/usr.bin/tmux/cmd-display-panes.c b/usr.bin/tmux/cmd-display-panes.c
index 27fa4d1a14a..dfa839b7876 100644
--- a/usr.bin/tmux/cmd-display-panes.c
+++ b/usr.bin/tmux/cmd-display-panes.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-display-panes.c,v 1.30 2020/03/24 08:09:43 nicm Exp $ */
+/* $OpenBSD: cmd-display-panes.c,v 1.31 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -239,7 +239,7 @@ cmd_display_panes_key(struct client *c, struct key_event *event)
 static enum cmd_retval
 cmd_display_panes_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	struct client			*c;
 	struct session			*s;
 	u_int		 		 delay;
diff --git a/usr.bin/tmux/cmd-find-window.c b/usr.bin/tmux/cmd-find-window.c
index ae89436f2fc..0f95ed1cc9c 100644
--- a/usr.bin/tmux/cmd-find-window.c
+++ b/usr.bin/tmux/cmd-find-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-find-window.c,v 1.47 2020/04/10 07:44:26 nicm Exp $ */
+/* $OpenBSD: cmd-find-window.c,v 1.48 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -44,7 +44,7 @@ const struct cmd_entry cmd_find_window_entry = {
 static enum cmd_retval
 cmd_find_window_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args, *new_args;
+	struct args		*args = cmd_get_args(self), *new_args;
 	struct window_pane	*wp = item->target.wp;
 	const char		*s = args->argv[0];
 	char			*filter, *argv = { NULL };
diff --git a/usr.bin/tmux/cmd-if-shell.c b/usr.bin/tmux/cmd-if-shell.c
index fc551fbeb94..f0c792d47be 100644
--- a/usr.bin/tmux/cmd-if-shell.c
+++ b/usr.bin/tmux/cmd-if-shell.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-if-shell.c,v 1.66 2020/03/19 13:43:18 nicm Exp $ */
+/* $OpenBSD: cmd-if-shell.c,v 1.67 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -62,10 +62,11 @@ struct cmd_if_shell_data {
 static enum cmd_retval
 cmd_if_shell_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	struct mouse_event		*m = &item->shared->mouse;
 	struct cmd_if_shell_data	*cdata;
 	char				*shellcmd, *cmd;
+	const char			*file;
 	struct cmdq_item		*new_item;
 	struct cmd_find_state		*fs = &item->target;
 	struct client			*c = cmd_find_client(item, NULL, 1);
@@ -88,9 +89,7 @@ cmd_if_shell_exec(struct cmd *self, struct cmdq_item *item)
 			return (CMD_RETURN_NORMAL);
 
 		memset(&pi, 0, sizeof pi);
-		if (self->file != NULL)
-			pi.file = self->file;
-		pi.line = self->line;
+		cmd_get_source(self, &pi.file, &pi.line);
 		pi.item = item;
 		pi.c = c;
 		cmd_find_copy_state(&pi.fs, fs);
@@ -134,10 +133,9 @@ cmd_if_shell_exec(struct cmd *self, struct cmdq_item *item)
 		cdata->item = NULL;
 
 	memset(&cdata->input, 0, sizeof cdata->input);
-	if (self->file != NULL)
-		cdata->input.file = xstrdup(self->file);
-	cdata->input.line = self->line;
-	cdata->input.item = cdata->item;
+	cmd_get_source(self, &file, &cdata->input.line);
+	if (file != NULL)
+		cdata->input.file = xstrdup(file);
 	cdata->input.c = c;
 	if (cdata->input.c != NULL)
 		cdata->input.c->references++;
diff --git a/usr.bin/tmux/cmd-join-pane.c b/usr.bin/tmux/cmd-join-pane.c
index 3afedc4c4f4..df2a9cb0605 100644
--- a/usr.bin/tmux/cmd-join-pane.c
+++ b/usr.bin/tmux/cmd-join-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-join-pane.c,v 1.39 2020/03/21 13:16:15 nicm Exp $ */
+/* $OpenBSD: cmd-join-pane.c,v 1.40 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 George Nachman <tmux@georgester.com>
@@ -63,7 +63,7 @@ const struct cmd_entry cmd_move_pane_entry = {
 static enum cmd_retval
 cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*current = &item->shared->current;
 	struct session		*dst_s;
 	struct winlink		*src_wl, *dst_wl;
@@ -75,7 +75,7 @@ cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
 	enum layout_type	 type;
 	struct layout_cell	*lc;
 
-	if (self->entry == &cmd_join_pane_entry)
+	if (cmd_get_entry(self) == &cmd_join_pane_entry)
 		not_same_window = 1;
 	else
 		not_same_window = 0;
diff --git a/usr.bin/tmux/cmd-kill-pane.c b/usr.bin/tmux/cmd-kill-pane.c
index e74b9ef71ea..870147f3bd9 100644
--- a/usr.bin/tmux/cmd-kill-pane.c
+++ b/usr.bin/tmux/cmd-kill-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-kill-pane.c,v 1.27 2019/11/14 15:37:19 nicm Exp $ */
+/* $OpenBSD: cmd-kill-pane.c,v 1.28 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -44,10 +44,11 @@ const struct cmd_entry cmd_kill_pane_entry = {
 static enum cmd_retval
 cmd_kill_pane_exec(struct cmd *self, struct cmdq_item *item)
 {
+	struct args		*args = cmd_get_args(self);
 	struct winlink		*wl = item->target.wl;
 	struct window_pane	*loopwp, *tmpwp, *wp = item->target.wp;
 
-	if (args_has(self->args, 'a')) {
+	if (args_has(args, 'a')) {
 		server_unzoom_window(wl->window);
 		TAILQ_FOREACH_SAFE(loopwp, &wl->window->panes, entry, tmpwp) {
 			if (loopwp == wp)
diff --git a/usr.bin/tmux/cmd-kill-server.c b/usr.bin/tmux/cmd-kill-server.c
index 9cfd43bdba4..3a5e2230e13 100644
--- a/usr.bin/tmux/cmd-kill-server.c
+++ b/usr.bin/tmux/cmd-kill-server.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-kill-server.c,v 1.18 2016/10/16 19:04:05 nicm Exp $ */
+/* $OpenBSD: cmd-kill-server.c,v 1.19 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -54,7 +54,7 @@ const struct cmd_entry cmd_start_server_entry = {
 static enum cmd_retval
 cmd_kill_server_exec(struct cmd *self, __unused struct cmdq_item *item)
 {
-	if (self->entry == &cmd_kill_server_entry)
+	if (cmd_get_entry(self) == &cmd_kill_server_entry)
 		kill(getpid(), SIGTERM);
 
 	return (CMD_RETURN_NORMAL);
diff --git a/usr.bin/tmux/cmd-kill-session.c b/usr.bin/tmux/cmd-kill-session.c
index e3bec65de1a..f0ea8725989 100644
--- a/usr.bin/tmux/cmd-kill-session.c
+++ b/usr.bin/tmux/cmd-kill-session.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-kill-session.c,v 1.25 2019/04/17 14:37:48 nicm Exp $ */
+/* $OpenBSD: cmd-kill-session.c,v 1.26 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -45,7 +45,7 @@ const struct cmd_entry cmd_kill_session_entry = {
 static enum cmd_retval
 cmd_kill_session_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	struct session	*s, *sloop, *stmp;
 	struct winlink	*wl;
 
diff --git a/usr.bin/tmux/cmd-kill-window.c b/usr.bin/tmux/cmd-kill-window.c
index eea02f3f5f9..33b26fdb34e 100644
--- a/usr.bin/tmux/cmd-kill-window.c
+++ b/usr.bin/tmux/cmd-kill-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-kill-window.c,v 1.24 2017/04/22 10:22:39 nicm Exp $ */
+/* $OpenBSD: cmd-kill-window.c,v 1.25 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -55,13 +55,13 @@ const struct cmd_entry cmd_unlink_window_entry = {
 static enum cmd_retval
 cmd_kill_window_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct winlink		*wl = item->target.wl, *wl2, *wl3;
 	struct window		*w = wl->window;
 	struct session		*s = item->target.s;
 
-	if (self->entry == &cmd_unlink_window_entry) {
-		if (!args_has(self->args, 'k') && !session_is_linked(s, w)) {
+	if (cmd_get_entry(self) == &cmd_unlink_window_entry) {
+		if (!args_has(args, 'k') && !session_is_linked(s, w)) {
 			cmdq_error(item, "window only linked to one session");
 			return (CMD_RETURN_ERROR);
 		}
diff --git a/usr.bin/tmux/cmd-list-buffers.c b/usr.bin/tmux/cmd-list-buffers.c
index d81ccc70cf9..ca002fb6426 100644
--- a/usr.bin/tmux/cmd-list-buffers.c
+++ b/usr.bin/tmux/cmd-list-buffers.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-buffers.c,v 1.36 2020/04/12 08:36:18 nicm Exp $ */
+/* $OpenBSD: cmd-list-buffers.c,v 1.37 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_list_buffers_entry = {
 static enum cmd_retval
 cmd_list_buffers_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct paste_buffer	*pb;
 	struct format_tree	*ft;
 	const char		*template, *filter;
diff --git a/usr.bin/tmux/cmd-list-clients.c b/usr.bin/tmux/cmd-list-clients.c
index 83b7fcb2d62..c16f09bb41a 100644
--- a/usr.bin/tmux/cmd-list-clients.c
+++ b/usr.bin/tmux/cmd-list-clients.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-clients.c,v 1.34 2017/05/01 12:20:55 nicm Exp $ */
+/* $OpenBSD: cmd-list-clients.c,v 1.35 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -51,7 +51,7 @@ const struct cmd_entry cmd_list_clients_entry = {
 static enum cmd_retval
 cmd_list_clients_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args 		*args = self->args;
+	struct args 		*args = cmd_get_args(self);
 	struct client		*c;
 	struct session		*s;
 	struct format_tree	*ft;
diff --git a/usr.bin/tmux/cmd-list-keys.c b/usr.bin/tmux/cmd-list-keys.c
index 54552023289..fb1fa42eb10 100644
--- a/usr.bin/tmux/cmd-list-keys.c
+++ b/usr.bin/tmux/cmd-list-keys.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-keys.c,v 1.53 2020/04/09 13:56:46 nicm Exp $ */
+/* $OpenBSD: cmd-list-keys.c,v 1.54 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -144,7 +144,7 @@ cmd_list_keys_get_prefix(struct args *args, key_code *prefix)
 static enum cmd_retval
 cmd_list_keys_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct key_table	*table;
 	struct key_binding	*bd;
 	const char		*tablename, *r;
@@ -153,7 +153,7 @@ cmd_list_keys_exec(struct cmd *self, struct cmdq_item *item)
 	int			 repeat, width, tablewidth, keywidth, found = 0;
 	size_t			 tmpsize, tmpused, cplen;
 
-	if (self->entry == &cmd_list_commands_entry)
+	if (cmd_get_entry(self) == &cmd_list_commands_entry)
 		return (cmd_list_keys_commands(self, item));
 
 	if (args->argc != 0) {
@@ -313,7 +313,7 @@ out:
 static enum cmd_retval
 cmd_list_keys_commands(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		 *args = self->args;
+	struct args		 *args = cmd_get_args(self);
 	const struct cmd_entry	**entryp;
 	const struct cmd_entry	 *entry;
 	struct format_tree	 *ft;
diff --git a/usr.bin/tmux/cmd-list-panes.c b/usr.bin/tmux/cmd-list-panes.c
index 34b369be6ad..0c1e669a768 100644
--- a/usr.bin/tmux/cmd-list-panes.c
+++ b/usr.bin/tmux/cmd-list-panes.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-panes.c,v 1.34 2020/04/12 08:36:18 nicm Exp $ */
+/* $OpenBSD: cmd-list-panes.c,v 1.35 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -50,7 +50,7 @@ const struct cmd_entry cmd_list_panes_entry = {
 static enum cmd_retval
 cmd_list_panes_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	struct session	*s = item->target.s;
 	struct winlink	*wl = item->target.wl;
 
@@ -87,7 +87,7 @@ static void
 cmd_list_panes_window(struct cmd *self, struct session *s, struct winlink *wl,
     struct cmdq_item *item, int type)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct window_pane	*wp;
 	u_int			 n;
 	struct format_tree	*ft;
diff --git a/usr.bin/tmux/cmd-list-sessions.c b/usr.bin/tmux/cmd-list-sessions.c
index 55f544b7cee..0996e933845 100644
--- a/usr.bin/tmux/cmd-list-sessions.c
+++ b/usr.bin/tmux/cmd-list-sessions.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-sessions.c,v 1.31 2020/04/12 08:36:18 nicm Exp $ */
+/* $OpenBSD: cmd-list-sessions.c,v 1.32 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -52,7 +52,7 @@ const struct cmd_entry cmd_list_sessions_entry = {
 static enum cmd_retval
 cmd_list_sessions_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct session		*s;
 	u_int		 	 n;
 	struct format_tree	*ft;
diff --git a/usr.bin/tmux/cmd-list-windows.c b/usr.bin/tmux/cmd-list-windows.c
index ce484010aa8..be4343328ab 100644
--- a/usr.bin/tmux/cmd-list-windows.c
+++ b/usr.bin/tmux/cmd-list-windows.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-windows.c,v 1.44 2020/04/12 08:36:18 nicm Exp $ */
+/* $OpenBSD: cmd-list-windows.c,v 1.45 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -61,7 +61,7 @@ const struct cmd_entry cmd_list_windows_entry = {
 static enum cmd_retval
 cmd_list_windows_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 
 	if (args_has(args, 'a'))
 		cmd_list_windows_server(self, item);
@@ -84,7 +84,7 @@ static void
 cmd_list_windows_session(struct cmd *self, struct session *s,
     struct cmdq_item *item, int type)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct winlink		*wl;
 	u_int			 n;
 	struct format_tree	*ft;
diff --git a/usr.bin/tmux/cmd-load-buffer.c b/usr.bin/tmux/cmd-load-buffer.c
index a2450e0bfc0..e70d936fa3f 100644
--- a/usr.bin/tmux/cmd-load-buffer.c
+++ b/usr.bin/tmux/cmd-load-buffer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-load-buffer.c,v 1.57 2019/12/12 11:39:56 nicm Exp $ */
+/* $OpenBSD: cmd-load-buffer.c,v 1.58 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -83,7 +83,7 @@ cmd_load_buffer_done(__unused struct client *c, const char *path, int error,
 static enum cmd_retval
 cmd_load_buffer_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	struct cmd_load_buffer_data	*cdata;
 	struct client			*c = cmd_find_client(item, NULL, 1);
 	struct session			*s = item->target.s;
diff --git a/usr.bin/tmux/cmd-lock-server.c b/usr.bin/tmux/cmd-lock-server.c
index bb91aa4b878..8de2a6b29dd 100644
--- a/usr.bin/tmux/cmd-lock-server.c
+++ b/usr.bin/tmux/cmd-lock-server.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-lock-server.c,v 1.26 2017/04/22 10:22:39 nicm Exp $ */
+/* $OpenBSD: cmd-lock-server.c,v 1.27 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -64,12 +64,12 @@ const struct cmd_entry cmd_lock_client_entry = {
 static enum cmd_retval
 cmd_lock_server_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	struct client	*c;
 
-	if (self->entry == &cmd_lock_server_entry)
+	if (cmd_get_entry(self) == &cmd_lock_server_entry)
 		server_lock();
-	else if (self->entry == &cmd_lock_session_entry)
+	else if (cmd_get_entry(self) == &cmd_lock_session_entry)
 		server_lock_session(item->target.s);
 	else {
 		if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
diff --git a/usr.bin/tmux/cmd-move-window.c b/usr.bin/tmux/cmd-move-window.c
index 55bc32ddfdd..013fea1b74d 100644
--- a/usr.bin/tmux/cmd-move-window.c
+++ b/usr.bin/tmux/cmd-move-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-move-window.c,v 1.29 2017/04/22 10:22:39 nicm Exp $ */
+/* $OpenBSD: cmd-move-window.c,v 1.30 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -59,7 +59,7 @@ const struct cmd_entry cmd_link_window_entry = {
 static enum cmd_retval
 cmd_move_window_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	const char	*tflag = args_get(args, 't');
 	struct session	*src;
 	struct session	*dst;
@@ -86,11 +86,11 @@ cmd_move_window_exec(struct cmd *self, struct cmdq_item *item)
 	wl = item->source.wl;
 	idx = item->target.idx;
 
-	kflag = args_has(self->args, 'k');
-	dflag = args_has(self->args, 'd');
-	sflag = args_has(self->args, 's');
+	kflag = args_has(args, 'k');
+	dflag = args_has(args, 'd');
+	sflag = args_has(args, 's');
 
-	if (args_has(self->args, 'a')) {
+	if (args_has(args, 'a')) {
 		if ((idx = winlink_shuffle_up(dst, dst->curw)) == -1)
 			return (CMD_RETURN_ERROR);
 	}
@@ -101,7 +101,7 @@ cmd_move_window_exec(struct cmd *self, struct cmdq_item *item)
 		free(cause);
 		return (CMD_RETURN_ERROR);
 	}
-	if (self->entry == &cmd_move_window_entry)
+	if (cmd_get_entry(self) == &cmd_move_window_entry)
 		server_unlink_window(src, wl);
 
 	/*
diff --git a/usr.bin/tmux/cmd-new-session.c b/usr.bin/tmux/cmd-new-session.c
index c5afcca06df..5f5c2729c0d 100644
--- a/usr.bin/tmux/cmd-new-session.c
+++ b/usr.bin/tmux/cmd-new-session.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-new-session.c,v 1.124 2020/04/09 13:57:18 nicm Exp $ */
+/* $OpenBSD: cmd-new-session.c,v 1.125 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -66,7 +66,7 @@ const struct cmd_entry cmd_has_session_entry = {
 static enum cmd_retval
 cmd_new_session_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct client		*c = item->client;
 	struct session		*s, *as, *groupwith;
 	struct environ		*env;
@@ -81,7 +81,7 @@ cmd_new_session_exec(struct cmd *self, struct cmdq_item *item)
 	enum cmd_retval		 retval;
 	struct cmd_find_state    fs;
 
-	if (self->entry == &cmd_has_session_entry) {
+	if (cmd_get_entry(self) == &cmd_has_session_entry) {
 		/*
 		 * cmd_find_target() will fail if the session cannot be found,
 		 * so always return success here.
diff --git a/usr.bin/tmux/cmd-new-window.c b/usr.bin/tmux/cmd-new-window.c
index 9dbecea01ba..6a57e3f1f56 100644
--- a/usr.bin/tmux/cmd-new-window.c
+++ b/usr.bin/tmux/cmd-new-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-new-window.c,v 1.82 2020/04/03 13:54:31 nicm Exp $ */
+/* $OpenBSD: cmd-new-window.c,v 1.83 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -51,7 +51,7 @@ const struct cmd_entry cmd_new_window_entry = {
 static enum cmd_retval
 cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*current = &item->shared->current;
 	struct spawn_context	 sc;
 	struct client		*c = cmd_find_client(item, NULL, 1);
diff --git a/usr.bin/tmux/cmd-paste-buffer.c b/usr.bin/tmux/cmd-paste-buffer.c
index f3fac0bc929..4c863bfd491 100644
--- a/usr.bin/tmux/cmd-paste-buffer.c
+++ b/usr.bin/tmux/cmd-paste-buffer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-paste-buffer.c,v 1.38 2017/04/22 10:22:39 nicm Exp $ */
+/* $OpenBSD: cmd-paste-buffer.c,v 1.39 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -47,7 +47,7 @@ const struct cmd_entry cmd_paste_buffer_entry = {
 static enum cmd_retval
 cmd_paste_buffer_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct window_pane	*wp = item->target.wp;
 	struct paste_buffer	*pb;
 	const char		*sepstr, *bufname, *bufdata, *bufend, *line;
diff --git a/usr.bin/tmux/cmd-pipe-pane.c b/usr.bin/tmux/cmd-pipe-pane.c
index de17c776828..42a6241958d 100644
--- a/usr.bin/tmux/cmd-pipe-pane.c
+++ b/usr.bin/tmux/cmd-pipe-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-pipe-pane.c,v 1.51 2019/03/14 23:14:27 nicm Exp $ */
+/* $OpenBSD: cmd-pipe-pane.c,v 1.52 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -56,7 +56,7 @@ const struct cmd_entry cmd_pipe_pane_entry = {
 static enum cmd_retval
 cmd_pipe_pane_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct client		*c = cmd_find_client(item, NULL, 1);
 	struct window_pane	*wp = item->target.wp;
 	struct session		*s = item->target.s;
@@ -89,13 +89,13 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmdq_item *item)
 	 *
 	 *	bind ^p pipep -o 'cat >>~/output'
 	 */
-	if (args_has(self->args, 'o') && old_fd != -1)
+	if (args_has(args, 'o') && old_fd != -1)
 		return (CMD_RETURN_NORMAL);
 
 	/* What do we want to do? Neither -I or -O is -O. */
-	if (args_has(self->args, 'I')) {
+	if (args_has(args, 'I')) {
 		in = 1;
-		out = args_has(self->args, 'O');
+		out = args_has(args, 'O');
 	} else {
 		in = 0;
 		out = 1;
diff --git a/usr.bin/tmux/cmd-queue.c b/usr.bin/tmux/cmd-queue.c
index cbc9aeefb16..5af68a88f42 100644
--- a/usr.bin/tmux/cmd-queue.c
+++ b/usr.bin/tmux/cmd-queue.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-queue.c,v 1.81 2020/04/10 07:44:26 nicm Exp $ */
+/* $OpenBSD: cmd-queue.c,v 1.82 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2013 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -209,11 +209,13 @@ cmdq_get_command(struct cmd_list *cmdlist, struct cmd_find_state *current,
 {
 	struct cmdq_item	*item, *first = NULL, *last = NULL;
 	struct cmd		*cmd;
+	const struct cmd_entry	*entry;
 	struct cmdq_shared	*shared = NULL;
-	u_int			 group = 0;
+	u_int			 group, last_group = 0;
 
-	TAILQ_FOREACH(cmd, &cmdlist->list, qentry) {
-		if (cmd->group != group) {
+	cmd = cmd_list_first(cmdlist, &group);
+	while (cmd != NULL) {
+		if (group != last_group) {
 			shared = xcalloc(1, sizeof *shared);
 			if (current != NULL)
 				cmd_find_copy_state(&shared->current, current);
@@ -221,14 +223,15 @@ cmdq_get_command(struct cmd_list *cmdlist, struct cmd_find_state *current,
 				cmd_find_clear_state(&shared->current, 0);
 			if (m != NULL)
 				memcpy(&shared->mouse, m, sizeof shared->mouse);
-			group = cmd->group;
+			last_group = group;
 		}
+		entry = cmd_get_entry(cmd);
 
 		item = xcalloc(1, sizeof *item);
-		xasprintf(&item->name, "[%s/%p]", cmd->entry->name, item);
+		xasprintf(&item->name, "[%s/%p]", entry->name, item);
 		item->type = CMDQ_COMMAND;
 
-		item->group = cmd->group;
+		item->group = group;
 		item->flags = flags;
 
 		item->shared = shared;
@@ -245,6 +248,8 @@ cmdq_get_command(struct cmd_list *cmdlist, struct cmd_find_state *current,
 		if (last != NULL)
 			last->next = item;
 		last = item;
+
+		cmd = cmd_list_next(cmd, &group);
 	}
 	return (first);
 }
@@ -261,7 +266,7 @@ cmdq_find_flag(struct cmdq_item *item, struct cmd_find_state *fs,
 		return (CMD_RETURN_NORMAL);
 	}
 
-	value = args_get(item->cmd->args, flag->flag);
+	value = args_get(cmd_get_args(item->cmd), flag->flag);
 	if (cmd_find_target(fs, item, value, flag->type, flag->flags) != 0) {
 		cmd_find_clear_state(fs, 0);
 		return (CMD_RETURN_ERROR);
@@ -277,7 +282,7 @@ cmdq_fire_command(struct cmdq_item *item)
 	const char		*name = cmdq_name(c);
 	struct cmdq_shared	*shared = item->shared;
 	struct cmd		*cmd = item->cmd;
-	const struct cmd_entry	*entry = cmd->entry;
+	const struct cmd_entry	*entry = cmd_get_entry(cmd);
 	enum cmd_retval		 retval;
 	struct cmd_find_state	*fsp, fs;
 	int			 flags;
@@ -528,8 +533,9 @@ cmdq_error(struct cmdq_item *item, const char *fmt, ...)
 	struct client	*c = item->client;
 	struct cmd	*cmd = item->cmd;
 	va_list		 ap;
-	char		*msg;
-	char		*tmp;
+	char		*msg, *tmp;
+	const char	*file;
+	u_int		 line;
 
 	va_start(ap, fmt);
 	xvasprintf(&msg, fmt, ap);
@@ -537,9 +543,10 @@ cmdq_error(struct cmdq_item *item, const char *fmt, ...)
 
 	log_debug("%s: %s", __func__, msg);
 
-	if (c == NULL)
-		cfg_add_cause("%s:%u: %s", cmd->file, cmd->line, msg);
-	else if (c->session == NULL || (c->flags & CLIENT_CONTROL)) {
+	if (c == NULL) {
+		cmd_get_source(cmd, &file, &line);
+		cfg_add_cause("%s:%u: %s", file, line, msg);
+	} else if (c->session == NULL || (c->flags & CLIENT_CONTROL)) {
 		if (~c->flags & CLIENT_UTF8) {
 			tmp = msg;
 			msg = utf8_sanitize(tmp);
diff --git a/usr.bin/tmux/cmd-refresh-client.c b/usr.bin/tmux/cmd-refresh-client.c
index 9e6ada6340b..dd42651934e 100644
--- a/usr.bin/tmux/cmd-refresh-client.c
+++ b/usr.bin/tmux/cmd-refresh-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-refresh-client.c,v 1.30 2019/11/28 09:05:34 nicm Exp $ */
+/* $OpenBSD: cmd-refresh-client.c,v 1.31 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -45,7 +45,7 @@ const struct cmd_entry cmd_refresh_client_entry = {
 static enum cmd_retval
 cmd_refresh_client_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	struct client	*c;
 	struct tty	*tty;
 	struct window	*w;
diff --git a/usr.bin/tmux/cmd-rename-session.c b/usr.bin/tmux/cmd-rename-session.c
index 4ae4fedaad8..1947720239f 100644
--- a/usr.bin/tmux/cmd-rename-session.c
+++ b/usr.bin/tmux/cmd-rename-session.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-rename-session.c,v 1.28 2018/04/11 09:54:45 nicm Exp $ */
+/* $OpenBSD: cmd-rename-session.c,v 1.29 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_rename_session_entry = {
 static enum cmd_retval
 cmd_rename_session_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct client		*c = cmd_find_client(item, NULL, 1);
 	struct session		*s = item->target.s;
 	char			*newname;
diff --git a/usr.bin/tmux/cmd-rename-window.c b/usr.bin/tmux/cmd-rename-window.c
index 438e8d1c2e3..fe029b39997 100644
--- a/usr.bin/tmux/cmd-rename-window.c
+++ b/usr.bin/tmux/cmd-rename-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-rename-window.c,v 1.22 2018/03/23 19:17:03 nicm Exp $ */
+/* $OpenBSD: cmd-rename-window.c,v 1.23 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -45,7 +45,7 @@ const struct cmd_entry cmd_rename_window_entry = {
 static enum cmd_retval
 cmd_rename_window_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	struct client	*c = cmd_find_client(item, NULL, 1);
 	struct session	*s = item->target.s;
 	struct winlink	*wl = item->target.wl;
diff --git a/usr.bin/tmux/cmd-resize-pane.c b/usr.bin/tmux/cmd-resize-pane.c
index 9d76339b347..42c085729a9 100644
--- a/usr.bin/tmux/cmd-resize-pane.c
+++ b/usr.bin/tmux/cmd-resize-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-resize-pane.c,v 1.41 2020/03/31 17:13:20 nicm Exp $ */
+/* $OpenBSD: cmd-resize-pane.c,v 1.42 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -49,7 +49,7 @@ const struct cmd_entry cmd_resize_pane_entry = {
 static enum cmd_retval
 cmd_resize_pane_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct cmdq_shared	*shared = item->shared;
 	struct window_pane	*wp = item->target.wp;
 	struct winlink		*wl = item->target.wl;
diff --git a/usr.bin/tmux/cmd-resize-window.c b/usr.bin/tmux/cmd-resize-window.c
index b17b3cd66d6..2635992dd52 100644
--- a/usr.bin/tmux/cmd-resize-window.c
+++ b/usr.bin/tmux/cmd-resize-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-resize-window.c,v 1.3 2019/11/28 09:45:15 nicm Exp $ */
+/* $OpenBSD: cmd-resize-window.c,v 1.4 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2018 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_resize_window_entry = {
 static enum cmd_retval
 cmd_resize_window_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct winlink		*wl = item->target.wl;
 	struct window		*w = wl->window;
 	struct session		*s = item->target.s;
diff --git a/usr.bin/tmux/cmd-respawn-pane.c b/usr.bin/tmux/cmd-respawn-pane.c
index 8b15023f8dc..22780316885 100644
--- a/usr.bin/tmux/cmd-respawn-pane.c
+++ b/usr.bin/tmux/cmd-respawn-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-respawn-pane.c,v 1.30 2020/03/31 17:14:40 nicm Exp $ */
+/* $OpenBSD: cmd-respawn-pane.c,v 1.31 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -47,7 +47,7 @@ const struct cmd_entry cmd_respawn_pane_entry = {
 static enum cmd_retval
 cmd_respawn_pane_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct spawn_context	 sc;
 	struct session		*s = item->target.s;
 	struct winlink		*wl = item->target.wl;
diff --git a/usr.bin/tmux/cmd-respawn-window.c b/usr.bin/tmux/cmd-respawn-window.c
index d5713cc48e7..b6b1ad688ac 100644
--- a/usr.bin/tmux/cmd-respawn-window.c
+++ b/usr.bin/tmux/cmd-respawn-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-respawn-window.c,v 1.41 2020/03/31 17:14:40 nicm Exp $ */
+/* $OpenBSD: cmd-respawn-window.c,v 1.42 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -47,7 +47,7 @@ const struct cmd_entry cmd_respawn_window_entry = {
 static enum cmd_retval
 cmd_respawn_window_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct spawn_context	 sc;
 	struct session		*s = item->target.s;
 	struct winlink		*wl = item->target.wl;
diff --git a/usr.bin/tmux/cmd-rotate-window.c b/usr.bin/tmux/cmd-rotate-window.c
index 0625902d740..5082f9832cf 100644
--- a/usr.bin/tmux/cmd-rotate-window.c
+++ b/usr.bin/tmux/cmd-rotate-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-rotate-window.c,v 1.27 2019/08/14 09:58:31 nicm Exp $ */
+/* $OpenBSD: cmd-rotate-window.c,v 1.28 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -43,6 +43,7 @@ const struct cmd_entry cmd_rotate_window_entry = {
 static enum cmd_retval
 cmd_rotate_window_exec(struct cmd *self, struct cmdq_item *item)
 {
+	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*current = &item->shared->current;
 	struct winlink		*wl = item->target.wl;
 	struct window		*w = wl->window;
@@ -50,9 +51,9 @@ cmd_rotate_window_exec(struct cmd *self, struct cmdq_item *item)
 	struct layout_cell	*lc;
 	u_int			 sx, sy, xoff, yoff;
 
-	window_push_zoom(w, args_has(self->args, 'Z'));
+	window_push_zoom(w, args_has(args, 'Z'));
 
-	if (args_has(self->args, 'D')) {
+	if (args_has(args, 'D')) {
 		wp = TAILQ_LAST(&w->panes, window_panes);
 		TAILQ_REMOVE(&w->panes, wp, entry);
 		TAILQ_INSERT_HEAD(&w->panes, wp, entry);
diff --git a/usr.bin/tmux/cmd-run-shell.c b/usr.bin/tmux/cmd-run-shell.c
index 016729f23d2..816826f8478 100644
--- a/usr.bin/tmux/cmd-run-shell.c
+++ b/usr.bin/tmux/cmd-run-shell.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-run-shell.c,v 1.64 2020/04/10 07:44:26 nicm Exp $ */
+/* $OpenBSD: cmd-run-shell.c,v 1.65 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -89,7 +89,7 @@ cmd_run_shell_print(struct job *job, const char *msg)
 static enum cmd_retval
 cmd_run_shell_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	struct cmd_run_shell_data	*cdata;
 	struct client			*c = cmd_find_client(item, NULL, 1);
 	struct session			*s = item->target.s;
diff --git a/usr.bin/tmux/cmd-save-buffer.c b/usr.bin/tmux/cmd-save-buffer.c
index 453558ca9db..bd229f64085 100644
--- a/usr.bin/tmux/cmd-save-buffer.c
+++ b/usr.bin/tmux/cmd-save-buffer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-save-buffer.c,v 1.47 2019/12/12 11:39:56 nicm Exp $ */
+/* $OpenBSD: cmd-save-buffer.c,v 1.48 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -73,7 +73,7 @@ cmd_save_buffer_done(__unused struct client *c, const char *path, int error,
 static enum cmd_retval
 cmd_save_buffer_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct client		*c = cmd_find_client(item, NULL, 1);
 	struct session		*s = item->target.s;
 	struct winlink		*wl = item->target.wl;
@@ -98,11 +98,11 @@ cmd_save_buffer_exec(struct cmd *self, struct cmdq_item *item)
 	}
 	bufdata = paste_buffer_data(pb, &bufsize);
 
-	if (self->entry == &cmd_show_buffer_entry)
+	if (cmd_get_entry(self) == &cmd_show_buffer_entry)
 		path = xstrdup("-");
 	else
 		path = format_single(item, args->argv[0], c, s, wl, wp);
-	if (args_has(self->args, 'a'))
+	if (args_has(args, 'a'))
 		flags = O_APPEND;
 	else
 		flags = 0;
diff --git a/usr.bin/tmux/cmd-select-layout.c b/usr.bin/tmux/cmd-select-layout.c
index 3c33c25af95..521c6643d4e 100644
--- a/usr.bin/tmux/cmd-select-layout.c
+++ b/usr.bin/tmux/cmd-select-layout.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-select-layout.c,v 1.36 2019/04/17 14:43:49 nicm Exp $ */
+/* $OpenBSD: cmd-select-layout.c,v 1.37 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -71,7 +71,7 @@ const struct cmd_entry cmd_previous_layout_entry = {
 static enum cmd_retval
 cmd_select_layout_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct winlink		*wl = item->target.wl;
 	struct window		*w = wl->window;
 	struct window_pane	*wp = item->target.wp;
@@ -81,10 +81,10 @@ cmd_select_layout_exec(struct cmd *self, struct cmdq_item *item)
 
 	server_unzoom_window(w);
 
-	next = self->entry == &cmd_next_layout_entry;
+	next = (cmd_get_entry(self) == &cmd_next_layout_entry);
 	if (args_has(args, 'n'))
 		next = 1;
-	previous = self->entry == &cmd_previous_layout_entry;
+	previous = (cmd_get_entry(self) == &cmd_previous_layout_entry);
 	if (args_has(args, 'p'))
 		previous = 1;
 
diff --git a/usr.bin/tmux/cmd-select-pane.c b/usr.bin/tmux/cmd-select-pane.c
index b4c0305b7da..91678833215 100644
--- a/usr.bin/tmux/cmd-select-pane.c
+++ b/usr.bin/tmux/cmd-select-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-select-pane.c,v 1.54 2020/02/03 13:46:27 nicm Exp $ */
+/* $OpenBSD: cmd-select-pane.c,v 1.55 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -83,7 +83,8 @@ cmd_select_pane_redraw(struct window *w)
 static enum cmd_retval
 cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
+	const struct cmd_entry	*entry = cmd_get_entry(self);
 	struct cmd_find_state	*current = &item->shared->current;
 	struct client		*c = cmd_find_client(item, NULL, 1);
 	struct winlink		*wl = item->target.wl;
@@ -95,7 +96,7 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 	struct style		*sy;
 	struct options_entry	*o;
 
-	if (self->entry == &cmd_last_pane_entry || args_has(args, 'l')) {
+	if (entry == &cmd_last_pane_entry || args_has(args, 'l')) {
 		lastwp = w->last;
 		if (lastwp == NULL && window_count_panes(w) == 2) {
 			lastwp = TAILQ_PREV(w->active, window_panes, entry);
@@ -106,12 +107,12 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 			cmdq_error(item, "no last pane");
 			return (CMD_RETURN_ERROR);
 		}
-		if (args_has(self->args, 'e'))
+		if (args_has(args, 'e'))
 			lastwp->flags &= ~PANE_INPUTOFF;
-		else if (args_has(self->args, 'd'))
+		else if (args_has(args, 'd'))
 			lastwp->flags |= PANE_INPUTOFF;
 		else {
-			if (window_push_zoom(w, args_has(self->args, 'Z')))
+			if (window_push_zoom(w, args_has(args, 'Z')))
 				server_redraw_window(w);
 			window_redraw_active_switch(w, lastwp);
 			if (window_set_active_pane(w, lastwp, 1)) {
@@ -146,7 +147,7 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 		return (CMD_RETURN_NORMAL);
 	}
 
-	if (args_has(self->args, 'P') || args_has(self->args, 'g')) {
+	if (args_has(args, 'P') || args_has(args, 'g')) {
 		if ((style = args_get(args, 'P')) != NULL) {
 			o = options_set_style(wp->options, "window-style", 0,
 			    style);
@@ -158,26 +159,26 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 			    style);
 			wp->flags |= (PANE_REDRAW|PANE_STYLECHANGED);
 		}
-		if (args_has(self->args, 'g')) {
+		if (args_has(args, 'g')) {
 			sy = options_get_style(wp->options, "window-style");
 			cmdq_print(item, "%s", style_tostring(sy));
 		}
 		return (CMD_RETURN_NORMAL);
 	}
 
-	if (args_has(self->args, 'L')) {
+	if (args_has(args, 'L')) {
 		window_push_zoom(w, 1);
 		wp = window_pane_find_left(wp);
 		window_pop_zoom(w);
-	} else if (args_has(self->args, 'R')) {
+	} else if (args_has(args, 'R')) {
 		window_push_zoom(w, 1);
 		wp = window_pane_find_right(wp);
 		window_pop_zoom(w);
-	} else if (args_has(self->args, 'U')) {
+	} else if (args_has(args, 'U')) {
 		window_push_zoom(w, 1);
 		wp = window_pane_find_up(wp);
 		window_pop_zoom(w);
-	} else if (args_has(self->args, 'D')) {
+	} else if (args_has(args, 'D')) {
 		window_push_zoom(w, 1);
 		wp = window_pane_find_down(wp);
 		window_pop_zoom(w);
@@ -185,17 +186,17 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 	if (wp == NULL)
 		return (CMD_RETURN_NORMAL);
 
-	if (args_has(self->args, 'e')) {
+	if (args_has(args, 'e')) {
 		wp->flags &= ~PANE_INPUTOFF;
 		return (CMD_RETURN_NORMAL);
 	}
-	if (args_has(self->args, 'd')) {
+	if (args_has(args, 'd')) {
 		wp->flags |= PANE_INPUTOFF;
 		return (CMD_RETURN_NORMAL);
 	}
 
-	if (args_has(self->args, 'T')) {
-		pane_title = format_single(item, args_get(self->args, 'T'),
+	if (args_has(args, 'T')) {
+		pane_title = format_single(item, args_get(args, 'T'),
 		    c, s, wl, wp);
 		if (screen_set_title(&wp->base, pane_title))
 			server_status_window(wp->window);
@@ -205,7 +206,7 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 
 	if (wp == w->active)
 		return (CMD_RETURN_NORMAL);
-	if (window_push_zoom(w, args_has(self->args, 'Z')))
+	if (window_push_zoom(w, args_has(args, 'Z')))
 		server_redraw_window(w);
 	window_redraw_active_switch(w, wp);
 	if (window_set_active_pane(w, wp, 1)) {
diff --git a/usr.bin/tmux/cmd-select-window.c b/usr.bin/tmux/cmd-select-window.c
index 7ad78262567..93248df5034 100644
--- a/usr.bin/tmux/cmd-select-window.c
+++ b/usr.bin/tmux/cmd-select-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-select-window.c,v 1.23 2019/04/26 11:38:51 nicm Exp $ */
+/* $OpenBSD: cmd-select-window.c,v 1.24 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -84,23 +84,24 @@ const struct cmd_entry cmd_last_window_entry = {
 static enum cmd_retval
 cmd_select_window_exec(struct cmd *self, struct cmdq_item *item)
 {
+	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*current = &item->shared->current;
 	struct winlink		*wl = item->target.wl;
 	struct session		*s = item->target.s;
 	int			 next, previous, last, activity;
 
-	next = self->entry == &cmd_next_window_entry;
-	if (args_has(self->args, 'n'))
+	next = (cmd_get_entry(self) == &cmd_next_window_entry);
+	if (args_has(args, 'n'))
 		next = 1;
-	previous = self->entry == &cmd_previous_window_entry;
-	if (args_has(self->args, 'p'))
+	previous = (cmd_get_entry(self) == &cmd_previous_window_entry);
+	if (args_has(args, 'p'))
 		previous = 1;
-	last = self->entry == &cmd_last_window_entry;
-	if (args_has(self->args, 'l'))
+	last = (cmd_get_entry(self) == &cmd_last_window_entry);
+	if (args_has(args, 'l'))
 		last = 1;
 
 	if (next || previous || last) {
-		activity = args_has(self->args, 'a');
+		activity = args_has(args, 'a');
 		if (next) {
 			if (session_next(s, activity) != 0) {
 				cmdq_error(item, "no next window");
@@ -125,7 +126,7 @@ cmd_select_window_exec(struct cmd *self, struct cmdq_item *item)
 		 * If -T and select-window is invoked on same window as
 		 * current, switch to previous window.
 		 */
-		if (args_has(self->args, 'T') && wl == s->curw) {
+		if (args_has(args, 'T') && wl == s->curw) {
 			if (session_last(s) != 0) {
 				cmdq_error(item, "no last window");
 				return (-1);
diff --git a/usr.bin/tmux/cmd-send-keys.c b/usr.bin/tmux/cmd-send-keys.c
index ea4b8d98676..4514a64f873 100644
--- a/usr.bin/tmux/cmd-send-keys.c
+++ b/usr.bin/tmux/cmd-send-keys.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-send-keys.c,v 1.54 2020/04/09 13:52:32 nicm Exp $ */
+/* $OpenBSD: cmd-send-keys.c,v 1.55 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -131,7 +131,7 @@ cmd_send_keys_inject_string(struct client *c, struct cmd_find_state *fs,
 static enum cmd_retval
 cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	struct client			*c = cmd_find_client(item, NULL, 1);
 	struct cmd_find_state		*fs = &item->target;
 	struct window_pane		*wp = item->target.wp;
@@ -181,7 +181,7 @@ cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item)
 		return (CMD_RETURN_NORMAL);
 	}
 
-	if (self->entry == &cmd_send_prefix_entry) {
+	if (cmd_get_entry(self) == &cmd_send_prefix_entry) {
 		if (args_has(args, '2'))
 			key = options_get_number(s->options, "prefix2");
 		else
diff --git a/usr.bin/tmux/cmd-set-buffer.c b/usr.bin/tmux/cmd-set-buffer.c
index efac23ac849..24a6ffe0ee2 100644
--- a/usr.bin/tmux/cmd-set-buffer.c
+++ b/usr.bin/tmux/cmd-set-buffer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-set-buffer.c,v 1.28 2016/10/16 19:04:05 nicm Exp $ */
+/* $OpenBSD: cmd-set-buffer.c,v 1.29 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -54,7 +54,7 @@ const struct cmd_entry cmd_delete_buffer_entry = {
 static enum cmd_retval
 cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct paste_buffer	*pb;
 	char			*bufdata, *cause;
 	const char		*bufname, *olddata;
@@ -66,7 +66,7 @@ cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
 	else
 		pb = paste_get_name(bufname);
 
-	if (self->entry == &cmd_delete_buffer_entry) {
+	if (cmd_get_entry(self) == &cmd_delete_buffer_entry) {
 		if (pb == NULL)
 			pb = paste_get_top(&bufname);
 		if (pb == NULL) {
diff --git a/usr.bin/tmux/cmd-set-environment.c b/usr.bin/tmux/cmd-set-environment.c
index fe82350c81c..b7ba371fdb4 100644
--- a/usr.bin/tmux/cmd-set-environment.c
+++ b/usr.bin/tmux/cmd-set-environment.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-set-environment.c,v 1.23 2020/03/31 17:14:40 nicm Exp $ */
+/* $OpenBSD: cmd-set-environment.c,v 1.24 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_set_environment_entry = {
 static enum cmd_retval
 cmd_set_environment_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	struct environ	*env;
 	const char	*name, *value, *target;
 
@@ -65,7 +65,7 @@ cmd_set_environment_exec(struct cmd *self, struct cmdq_item *item)
 	else
 		value = args->argv[1];
 
-	if (args_has(self->args, 'g'))
+	if (args_has(args, 'g'))
 		env = global_environ;
 	else {
 		if (item->target.s == NULL) {
@@ -79,13 +79,13 @@ cmd_set_environment_exec(struct cmd *self, struct cmdq_item *item)
 		env = item->target.s->environ;
 	}
 
-	if (args_has(self->args, 'u')) {
+	if (args_has(args, 'u')) {
 		if (value != NULL) {
 			cmdq_error(item, "can't specify a value with -u");
 			return (CMD_RETURN_ERROR);
 		}
 		environ_unset(env, name);
-	} else if (args_has(self->args, 'r')) {
+	} else if (args_has(args, 'r')) {
 		if (value != NULL) {
 			cmdq_error(item, "can't specify a value with -r");
 			return (CMD_RETURN_ERROR);
diff --git a/usr.bin/tmux/cmd-set-option.c b/usr.bin/tmux/cmd-set-option.c
index 2e6cdbff235..fde6b8bc033 100644
--- a/usr.bin/tmux/cmd-set-option.c
+++ b/usr.bin/tmux/cmd-set-option.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-set-option.c,v 1.129 2020/04/13 07:25:33 nicm Exp $ */
+/* $OpenBSD: cmd-set-option.c,v 1.130 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -81,7 +81,7 @@ const struct cmd_entry cmd_set_hook_entry = {
 static enum cmd_retval
 cmd_set_option_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	int				 append = args_has(args, 'a');
 	struct cmd_find_state		*fs = &item->target;
 	struct client			*c, *loop;
@@ -96,14 +96,14 @@ cmd_set_option_exec(struct cmd *self, struct cmdq_item *item)
 	int				 scope;
 	struct style			*sy;
 
-	window = (self->entry == &cmd_set_window_option_entry);
+	window = (cmd_get_entry(self) == &cmd_set_window_option_entry);
 
 	/* Expand argument. */
 	c = cmd_find_client(item, NULL, 1);
 	argument = format_single(item, args->argv[0], c, s, wl, NULL);
 
 	/* If set-hook -R, fire the hook straight away. */
-	if (self->entry == &cmd_set_hook_entry && args_has(args, 'R')) {
+	if (cmd_get_entry(self) == &cmd_set_hook_entry && args_has(args, 'R')) {
 		notify_hook(item, argument);
 		free(argument);
 		return (CMD_RETURN_NORMAL);
@@ -288,7 +288,7 @@ cmd_set_option_set(struct cmd *self, struct cmdq_item *item, struct options *oo,
     struct options_entry *parent, const char *value)
 {
 	const struct options_table_entry	*oe;
-	struct args				*args = self->args;
+	struct args				*args = cmd_get_args(self);
 	int					 append = args_has(args, 'a');
 	struct options_entry			*o;
 	long long				 number;
diff --git a/usr.bin/tmux/cmd-show-environment.c b/usr.bin/tmux/cmd-show-environment.c
index 76001467e93..571ba044f07 100644
--- a/usr.bin/tmux/cmd-show-environment.c
+++ b/usr.bin/tmux/cmd-show-environment.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-show-environment.c,v 1.24 2020/03/31 17:14:40 nicm Exp $ */
+/* $OpenBSD: cmd-show-environment.c,v 1.25 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -69,7 +69,7 @@ static void
 cmd_show_environment_print(struct cmd *self, struct cmdq_item *item,
     struct environ_entry *envent)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	char		*escaped;
 
 	if (!args_has(args, 'h') && (envent->flags & ENVIRON_HIDDEN))
@@ -77,7 +77,7 @@ cmd_show_environment_print(struct cmd *self, struct cmdq_item *item,
 	if (args_has(args, 'h') && (~envent->flags & ENVIRON_HIDDEN))
 		return;
 
-	if (!args_has(self->args, 's')) {
+	if (!args_has(args, 's')) {
 		if (envent->value != NULL)
 			cmdq_print(item, "%s=%s", envent->name, envent->value);
 		else
@@ -97,7 +97,7 @@ cmd_show_environment_print(struct cmd *self, struct cmdq_item *item,
 static enum cmd_retval
 cmd_show_environment_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct environ		*env;
 	struct environ_entry	*envent;
 	const char		*target;
@@ -109,7 +109,7 @@ cmd_show_environment_exec(struct cmd *self, struct cmdq_item *item)
 		}
 	}
 
-	if (args_has(self->args, 'g'))
+	if (args_has(args, 'g'))
 		env = global_environ;
 	else {
 		if (item->target.s == NULL) {
diff --git a/usr.bin/tmux/cmd-show-messages.c b/usr.bin/tmux/cmd-show-messages.c
index 419aee96857..031d69dc916 100644
--- a/usr.bin/tmux/cmd-show-messages.c
+++ b/usr.bin/tmux/cmd-show-messages.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-show-messages.c,v 1.28 2018/08/23 15:45:05 nicm Exp $ */
+/* $OpenBSD: cmd-show-messages.c,v 1.29 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -69,7 +69,7 @@ cmd_show_messages_terminals(struct cmdq_item *item, int blank)
 static enum cmd_retval
 cmd_show_messages_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct client		*c;
 	struct message_entry	*msg;
 	char			*tim;
diff --git a/usr.bin/tmux/cmd-show-options.c b/usr.bin/tmux/cmd-show-options.c
index f9288c8e21c..de4bfb0621b 100644
--- a/usr.bin/tmux/cmd-show-options.c
+++ b/usr.bin/tmux/cmd-show-options.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-show-options.c,v 1.59 2020/04/13 07:25:33 nicm Exp $ */
+/* $OpenBSD: cmd-show-options.c,v 1.60 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -77,7 +77,7 @@ const struct cmd_entry cmd_show_hooks_entry = {
 static enum cmd_retval
 cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	struct cmd_find_state		*fs = &item->target;
 	struct client			*c = cmd_find_client(item, NULL, 1);
 	struct session			*s = item->target.s;
@@ -87,7 +87,7 @@ cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
 	int				 window, idx, ambiguous, parent, scope;
 	struct options_entry		*o;
 
-	window = (self->entry == &cmd_show_window_options_entry);
+	window = (cmd_get_entry(self) == &cmd_show_window_options_entry);
 
 	if (args->argc == 0) {
 		scope = options_scope_from_flags(args, window, fs, &oo, &cause);
@@ -143,6 +143,7 @@ static void
 cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
     struct options_entry *o, int idx, int parent)
 {
+	struct args			*args = cmd_get_args(self);
 	struct options_array_item	*a;
 	const char			*name = options_name(o);
 	char				*value, *tmp = NULL, *escaped;
@@ -154,7 +155,7 @@ cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
 		if (options_isarray(o)) {
 			a = options_array_first(o);
 			if (a == NULL) {
-				if (!args_has(self->args, 'v'))
+				if (!args_has(args, 'v'))
 					cmdq_print(item, "%s", name);
 				return;
 			}
@@ -169,7 +170,7 @@ cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
 	}
 
 	value = options_tostring(o, idx, 0);
-	if (args_has(self->args, 'v'))
+	if (args_has(args, 'v'))
 		cmdq_print(item, "%s", value);
 	else if (options_isstring(o)) {
 		escaped = args_escape(value);
@@ -193,6 +194,7 @@ static enum cmd_retval
 cmd_show_options_all(struct cmd *self, struct cmdq_item *item, int scope,
     struct options *oo)
 {
+	struct args				*args = cmd_get_args(self);
 	const struct options_table_entry	*oe;
 	struct options_entry			*o;
 	struct options_array_item		*a;
@@ -210,16 +212,16 @@ cmd_show_options_all(struct cmd *self, struct cmdq_item *item, int scope,
 		if (~oe->scope & scope)
 			continue;
 
-		if ((self->entry != &cmd_show_hooks_entry &&
-		    !args_has(self->args, 'H') &&
+		if ((cmd_get_entry(self) != &cmd_show_hooks_entry &&
+		    !args_has(args, 'H') &&
 		    (oe->flags & OPTIONS_TABLE_IS_HOOK)) ||
-		    (self->entry == &cmd_show_hooks_entry &&
+		    (cmd_get_entry(self) == &cmd_show_hooks_entry &&
 		    (~oe->flags & OPTIONS_TABLE_IS_HOOK)))
 			continue;
 
 		o = options_get_only(oo, oe->name);
 		if (o == NULL) {
-			if (!args_has(self->args, 'A'))
+			if (!args_has(args, 'A'))
 				continue;
 			o = options_get(oo, oe->name);
 			if (o == NULL)
@@ -231,7 +233,7 @@ cmd_show_options_all(struct cmd *self, struct cmdq_item *item, int scope,
 		if (!options_isarray(o))
 			cmd_show_options_print(self, item, o, -1, parent);
 		else if ((a = options_array_first(o)) == NULL) {
-			if (!args_has(self->args, 'v')) {
+			if (!args_has(args, 'v')) {
 				name = options_name(o);
 				if (parent)
 					cmdq_print(item, "%s*", name);
diff --git a/usr.bin/tmux/cmd-source-file.c b/usr.bin/tmux/cmd-source-file.c
index 005abd03c89..ffb183e3377 100644
--- a/usr.bin/tmux/cmd-source-file.c
+++ b/usr.bin/tmux/cmd-source-file.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-source-file.c,v 1.45 2019/12/21 17:30:48 tim Exp $ */
+/* $OpenBSD: cmd-source-file.c,v 1.46 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Tiago Cunha <me@tiagocunha.org>
@@ -123,7 +123,7 @@ cmd_source_file_add(struct cmd_source_file_data *cdata, const char *path)
 static enum cmd_retval
 cmd_source_file_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args			*args = self->args;
+	struct args			*args = cmd_get_args(self);
 	struct cmd_source_file_data	*cdata;
 	struct client			*c = item->client;
 	enum cmd_retval			 retval = CMD_RETURN_NORMAL;
diff --git a/usr.bin/tmux/cmd-split-window.c b/usr.bin/tmux/cmd-split-window.c
index 7255dec8ede..07d396e2454 100644
--- a/usr.bin/tmux/cmd-split-window.c
+++ b/usr.bin/tmux/cmd-split-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-split-window.c,v 1.98 2020/03/31 17:14:40 nicm Exp $ */
+/* $OpenBSD: cmd-split-window.c,v 1.99 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -53,7 +53,7 @@ const struct cmd_entry cmd_split_window_entry = {
 static enum cmd_retval
 cmd_split_window_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*current = &item->shared->current;
 	struct spawn_context	 sc;
 	struct client		*c = cmd_find_client(item, NULL, 1);
diff --git a/usr.bin/tmux/cmd-swap-pane.c b/usr.bin/tmux/cmd-swap-pane.c
index 87100b7c1e1..2e9858c10d5 100644
--- a/usr.bin/tmux/cmd-swap-pane.c
+++ b/usr.bin/tmux/cmd-swap-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-swap-pane.c,v 1.35 2019/08/14 09:58:31 nicm Exp $ */
+/* $OpenBSD: cmd-swap-pane.c,v 1.36 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -45,7 +45,7 @@ const struct cmd_entry cmd_swap_pane_entry = {
 static enum cmd_retval
 cmd_swap_pane_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	struct window		*src_w, *dst_w;
 	struct window_pane	*tmp_wp, *src_wp, *dst_wp;
 	struct layout_cell	*src_lc, *dst_lc;
diff --git a/usr.bin/tmux/cmd-swap-window.c b/usr.bin/tmux/cmd-swap-window.c
index fd33008c49e..9c0464ca0fe 100644
--- a/usr.bin/tmux/cmd-swap-window.c
+++ b/usr.bin/tmux/cmd-swap-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-swap-window.c,v 1.25 2019/08/26 16:35:41 nicm Exp $ */
+/* $OpenBSD: cmd-swap-window.c,v 1.26 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -45,6 +45,7 @@ const struct cmd_entry cmd_swap_window_entry = {
 static enum cmd_retval
 cmd_swap_window_exec(struct cmd *self, struct cmdq_item *item)
 {
+	struct args		*args = cmd_get_args(self);
 	struct session		*src, *dst;
 	struct session_group	*sg_src, *sg_dst;
 	struct winlink		*wl_src, *wl_dst;
@@ -77,7 +78,7 @@ cmd_swap_window_exec(struct cmd *self, struct cmdq_item *item)
 	wl_src->window = w_dst;
 	TAILQ_INSERT_TAIL(&w_dst->winlinks, wl_src, wentry);
 
-	if (args_has(self->args, 'd')) {
+	if (args_has(args, 'd')) {
 		session_select(dst, wl_dst->idx);
 		if (src != dst)
 			session_select(src, wl_src->idx);
diff --git a/usr.bin/tmux/cmd-switch-client.c b/usr.bin/tmux/cmd-switch-client.c
index 91e082c39bb..89d3e223ae6 100644
--- a/usr.bin/tmux/cmd-switch-client.c
+++ b/usr.bin/tmux/cmd-switch-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-switch-client.c,v 1.60 2020/04/09 13:53:50 nicm Exp $ */
+/* $OpenBSD: cmd-switch-client.c,v 1.61 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -47,7 +47,7 @@ const struct cmd_entry cmd_switch_client_entry = {
 static enum cmd_retval
 cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args		*args = self->args;
+	struct args		*args = cmd_get_args(self);
 	const char		*tflag = args_get(args, 't');
 	enum cmd_find_type	 type;
 	int			 flags;
@@ -115,7 +115,7 @@ cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item)
 			return (CMD_RETURN_NORMAL);
 		if (wl != NULL && wp != NULL) {
 			w = wl->window;
-			if (window_push_zoom(w, args_has(self->args, 'Z')))
+			if (window_push_zoom(w, args_has(args, 'Z')))
 				server_redraw_window(w);
 			window_redraw_active_switch(w, wp);
 			window_set_active_pane(w, wp, 1);
diff --git a/usr.bin/tmux/cmd-unbind-key.c b/usr.bin/tmux/cmd-unbind-key.c
index 78a6789607b..ad0c38581c2 100644
--- a/usr.bin/tmux/cmd-unbind-key.c
+++ b/usr.bin/tmux/cmd-unbind-key.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-unbind-key.c,v 1.30 2017/01/24 21:50:22 nicm Exp $ */
+/* $OpenBSD: cmd-unbind-key.c,v 1.31 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -42,7 +42,7 @@ const struct cmd_entry cmd_unbind_key_entry = {
 static enum cmd_retval
 cmd_unbind_key_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args	*args = self->args;
+	struct args	*args = cmd_get_args(self);
 	key_code	 key;
 	const char	*tablename;
 
diff --git a/usr.bin/tmux/cmd-wait-for.c b/usr.bin/tmux/cmd-wait-for.c
index ef9a2e899e0..5ebda4a402b 100644
--- a/usr.bin/tmux/cmd-wait-for.c
+++ b/usr.bin/tmux/cmd-wait-for.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-wait-for.c,v 1.18 2019/06/18 11:08:42 nicm Exp $ */
+/* $OpenBSD: cmd-wait-for.c,v 1.19 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2013 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -120,7 +120,7 @@ cmd_wait_for_remove(struct wait_channel *wc)
 static enum cmd_retval
 cmd_wait_for_exec(struct cmd *self, struct cmdq_item *item)
 {
-	struct args     	*args = self->args;
+	struct args     	*args = cmd_get_args(self);
 	const char		*name = args->argv[0];
 	struct wait_channel	*wc, wc0;
 
diff --git a/usr.bin/tmux/cmd.c b/usr.bin/tmux/cmd.c
index 9eb64521181..80144331639 100644
--- a/usr.bin/tmux/cmd.c
+++ b/usr.bin/tmux/cmd.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd.c,v 1.157 2020/03/24 08:09:43 nicm Exp $ */
+/* $OpenBSD: cmd.c,v 1.158 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -207,8 +207,27 @@ const struct cmd_entry *cmd_table[] = {
 	NULL
 };
 
+/* Instance of a command. */
+struct cmd {
+	const struct cmd_entry	 *entry;
+	struct args		 *args;
+	u_int			  group;
+
+	char			 *file;
+	u_int			  line;
+
+	char			 *alias;
+	int			  argc;
+	char			**argv;
+
+	TAILQ_ENTRY(cmd)	  qentry;
+};
+TAILQ_HEAD(cmds, cmd);
+
+/* Next group number for new command list. */
 static u_int cmd_list_next_group = 1;
 
+/* Log an argument vector. */
 void printflike(3, 4)
 cmd_log_argv(int argc, char **argv, const char *fmt, ...)
 {
@@ -225,6 +244,7 @@ cmd_log_argv(int argc, char **argv, const char *fmt, ...)
 	free(prefix);
 }
 
+/* Prepend to an argument vector. */
 void
 cmd_prepend_argv(int *argc, char ***argv, char *arg)
 {
@@ -241,6 +261,7 @@ cmd_prepend_argv(int *argc, char ***argv, char *arg)
 	(*argc)++;
 }
 
+/* Append to an argument vector. */
 void
 cmd_append_argv(int *argc, char ***argv, char *arg)
 {
@@ -248,6 +269,7 @@ cmd_append_argv(int *argc, char ***argv, char *arg)
 	(*argv)[(*argc)++] = xstrdup(arg);
 }
 
+/* Pack an argument vector up into a buffer. */
 int
 cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
 {
@@ -270,6 +292,7 @@ cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
 	return (0);
 }
 
+/* Unpack an argument vector from a packed buffer. */
 int
 cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv)
 {
@@ -298,6 +321,7 @@ cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv)
 	return (0);
 }
 
+/* Copy an argument vector, ensuring it is terminated by NULL. */
 char **
 cmd_copy_argv(int argc, char **argv)
 {
@@ -314,6 +338,7 @@ cmd_copy_argv(int argc, char **argv)
 	return (new_argv);
 }
 
+/* Free an argument vector. */
 void
 cmd_free_argv(int argc, char **argv)
 {
@@ -326,6 +351,7 @@ cmd_free_argv(int argc, char **argv)
 	free(argv);
 }
 
+/* Convert argument vector to a string. */
 char *
 cmd_stringify_argv(int argc, char **argv)
 {
@@ -352,6 +378,31 @@ cmd_stringify_argv(int argc, char **argv)
 	return (buf);
 }
 
+/* Get entry for command. */
+const struct cmd_entry *
+cmd_get_entry(struct cmd *cmd)
+{
+	return (cmd->entry);
+}
+
+/* Get arguments for command. */
+struct args *
+cmd_get_args(struct cmd *cmd)
+{
+	return (cmd->args);
+}
+
+/* Get file and line for command. */
+void
+cmd_get_source(struct cmd *cmd, const char **file, u_int *line)
+{
+	if (file != NULL)
+		*file = cmd->file;
+	if (line != NULL)
+		*line = cmd->line;
+}
+
+/* Look for an alias for a command. */
 char *
 cmd_get_alias(const char *name)
 {
@@ -382,6 +433,7 @@ cmd_get_alias(const char *name)
 	return (NULL);
 }
 
+/* Look up a command entry by name. */
 static const struct cmd_entry *
 cmd_find(const char *name, char **cause)
 {
@@ -431,6 +483,7 @@ ambiguous:
 	return (NULL);
 }
 
+/* Parse a single command from an argument vector. */
 struct cmd *
 cmd_parse(int argc, char **argv, const char *file, u_int line, char **cause)
 {
@@ -479,6 +532,7 @@ usage:
 	return (NULL);
 }
 
+/* Free a command. */
 void
 cmd_free(struct cmd *cmd)
 {
@@ -491,6 +545,7 @@ cmd_free(struct cmd *cmd)
 	free(cmd);
 }
 
+/* Get a command as a string. */
 char *
 cmd_print(struct cmd *cmd)
 {
@@ -506,6 +561,7 @@ cmd_print(struct cmd *cmd)
 	return (out);
 }
 
+/* Create a new command list. */
 struct cmd_list *
 cmd_list_new(void)
 {
@@ -514,29 +570,33 @@ cmd_list_new(void)
 	cmdlist = xcalloc(1, sizeof *cmdlist);
 	cmdlist->references = 1;
 	cmdlist->group = cmd_list_next_group++;
-	TAILQ_INIT(&cmdlist->list);
+	cmdlist->list = xcalloc(1, sizeof *cmdlist->list);
+	TAILQ_INIT(cmdlist->list);
 	return (cmdlist);
 }
 
+/* Append a command to a command list. */
 void
 cmd_list_append(struct cmd_list *cmdlist, struct cmd *cmd)
 {
 	cmd->group = cmdlist->group;
-	TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry);
+	TAILQ_INSERT_TAIL(cmdlist->list, cmd, qentry);
 }
 
+/* Move all commands from one command list to another */
 void
 cmd_list_move(struct cmd_list *cmdlist, struct cmd_list *from)
 {
 	struct cmd	*cmd, *cmd1;
 
-	TAILQ_FOREACH_SAFE(cmd, &from->list, qentry, cmd1) {
-		TAILQ_REMOVE(&from->list, cmd, qentry);
-		TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry);
+	TAILQ_FOREACH_SAFE(cmd, from->list, qentry, cmd1) {
+		TAILQ_REMOVE(from->list, cmd, qentry);
+		TAILQ_INSERT_TAIL(cmdlist->list, cmd, qentry);
 	}
 	cmdlist->group = cmd_list_next_group++;
 }
 
+/* Free a command list. */
 void
 cmd_list_free(struct cmd_list *cmdlist)
 {
@@ -545,14 +605,15 @@ cmd_list_free(struct cmd_list *cmdlist)
 	if (--cmdlist->references != 0)
 		return;
 
-	TAILQ_FOREACH_SAFE(cmd, &cmdlist->list, qentry, cmd1) {
-		TAILQ_REMOVE(&cmdlist->list, cmd, qentry);
+	TAILQ_FOREACH_SAFE(cmd, cmdlist->list, qentry, cmd1) {
+		TAILQ_REMOVE(cmdlist->list, cmd, qentry);
 		cmd_free(cmd);
 	}
-
+	free(cmdlist->list);
 	free(cmdlist);
 }
 
+/* Get a command list as a string. */
 char *
 cmd_list_print(struct cmd_list *cmdlist, int escaped)
 {
@@ -563,7 +624,7 @@ cmd_list_print(struct cmd_list *cmdlist, int escaped)
 	len = 1;
 	buf = xcalloc(1, len);
 
-	TAILQ_FOREACH(cmd, &cmdlist->list, qentry) {
+	TAILQ_FOREACH(cmd, cmdlist->list, qentry) {
 		this = cmd_print(cmd);
 
 		len += strlen(this) + 4;
@@ -583,6 +644,54 @@ cmd_list_print(struct cmd_list *cmdlist, int escaped)
 	return (buf);
 }
 
+/* Get first command in list. */
+struct cmd *
+cmd_list_first(struct cmd_list *cmdlist, u_int *group)
+{
+	struct cmd	*cmd;
+
+	cmd = TAILQ_FIRST(cmdlist->list);
+	if (cmd != NULL && group != NULL)
+		*group = cmd->group;
+	return (cmd);
+}
+
+/* Get next command in list. */
+struct cmd *
+cmd_list_next(struct cmd *cmd, u_int *group)
+{
+	cmd = TAILQ_NEXT(cmd, qentry);
+	if (cmd != NULL && group != NULL)
+		*group = cmd->group;
+	return (cmd);
+}
+
+/* Do all of the commands in this command list have this flag? */
+int
+cmd_list_all_have(struct cmd_list *cmdlist, int flag)
+{
+	struct cmd	*cmd;
+
+	TAILQ_FOREACH(cmd, cmdlist->list, qentry) {
+		if (~cmd->entry->flags & flag)
+			return (0);
+	}
+	return (1);
+}
+
+/* Do any of the commands in this command list have this flag? */
+int
+cmd_list_any_have(struct cmd_list *cmdlist, int flag)
+{
+	struct cmd	*cmd;
+
+	TAILQ_FOREACH(cmd, cmdlist->list, qentry) {
+		if (cmd->entry->flags & flag)
+			return (1);
+	}
+	return (0);
+}
+
 /* Adjust current mouse position for a pane. */
 int
 cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp,
diff --git a/usr.bin/tmux/format.c b/usr.bin/tmux/format.c
index f3c78c5dbb1..8778f47e8dd 100644
--- a/usr.bin/tmux/format.c
+++ b/usr.bin/tmux/format.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: format.c,v 1.235 2020/04/09 15:35:27 nicm Exp $ */
+/* $OpenBSD: format.c,v 1.236 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1128,8 +1128,10 @@ format_create_add_item(struct format_tree *ft, struct cmdq_item *item)
 	struct window_pane	*wp;
 	u_int			 x, y;
 
-	if (item->cmd != NULL)
-		format_add(ft, "command", "%s", item->cmd->entry->name);
+	if (item->cmd != NULL) {
+		format_add(ft, "command", "%s",
+		    cmd_get_entry (item->cmd)->name);
+	}
 
 	if (item->shared == NULL)
 		return;
diff --git a/usr.bin/tmux/key-bindings.c b/usr.bin/tmux/key-bindings.c
index 845081051c3..ae2143d1df7 100644
--- a/usr.bin/tmux/key-bindings.c
+++ b/usr.bin/tmux/key-bindings.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: key-bindings.c,v 1.117 2020/04/06 17:51:34 nicm Exp $ */
+/* $OpenBSD: key-bindings.c,v 1.118 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -537,19 +537,13 @@ struct cmdq_item *
 key_bindings_dispatch(struct key_binding *bd, struct cmdq_item *item,
     struct client *c, struct mouse_event *m, struct cmd_find_state *fs)
 {
-	struct cmd		*cmd;
 	struct cmdq_item	*new_item;
 	int			 readonly;
 
 	if (c == NULL || (~c->flags & CLIENT_READONLY))
 		readonly = 1;
-	else {
-		readonly = 1;
-		TAILQ_FOREACH(cmd, &bd->cmdlist->list, qentry) {
-			if (~cmd->entry->flags & CMD_READONLY)
-				readonly = 0;
-		}
-	}
+	else
+		readonly = cmd_list_all_have(bd->cmdlist, CMD_READONLY);
 	if (!readonly)
 		new_item = cmdq_get_callback(key_bindings_read_only, NULL);
 	else {
diff --git a/usr.bin/tmux/tmux.h b/usr.bin/tmux/tmux.h
index 174930a487d..ed2561ce1c2 100644
--- a/usr.bin/tmux/tmux.h
+++ b/usr.bin/tmux/tmux.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: tmux.h,v 1.980 2020/04/10 20:53:54 nicm Exp $ */
+/* $OpenBSD: tmux.h,v 1.981 2020/04/13 08:26:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -39,9 +39,11 @@ extern char   **environ;
 struct args;
 struct args_value;
 struct client;
+struct cmd;
 struct cmd_find_state;
 struct cmdq_item;
 struct cmdq_list;
+struct cmds;
 struct environ;
 struct format_job_tree;
 struct format_tree;
@@ -50,8 +52,8 @@ struct job;
 struct mode_tree_data;
 struct mouse_event;
 struct options;
-struct options_entry;
 struct options_array_item;
+struct options_entry;
 struct session;
 struct tmuxpeer;
 struct tmuxproc;
@@ -1335,27 +1337,11 @@ struct cmd_find_state {
 #define CMD_FIND_EXACT_WINDOW 0x20
 #define CMD_FIND_CANFAIL 0x40
 
-/* Command and list of commands. */
-struct cmd {
-	const struct cmd_entry	 *entry;
-	struct args		 *args;
-	u_int			  group;
-
-	char			 *file;
-	u_int			  line;
-
-	char			 *alias;
-	int			  argc;
-	char			**argv;
-
-	TAILQ_ENTRY(cmd)	  qentry;
-};
-TAILQ_HEAD(cmds, cmd);
-
+/* List of commands. */
 struct cmd_list {
-	int		references;
-	u_int		group;
-	struct cmds	list;
+	int		 references;
+	u_int		 group;
+	struct cmds	*list;
 };
 
 /* Command return values. */
@@ -2102,6 +2088,7 @@ int		 cmd_find_from_mouse(struct cmd_find_state *,
 int		 cmd_find_from_nothing(struct cmd_find_state *, int);
 
 /* cmd.c */
+extern const struct cmd_entry *cmd_table[];
 void printflike(3, 4) cmd_log_argv(int, char **, const char *, ...);
 void		 cmd_prepend_argv(int *, char ***, char *);
 void		 cmd_append_argv(int *, char ***, char *);
@@ -2111,16 +2098,27 @@ char	       **cmd_copy_argv(int, char **);
 void		 cmd_free_argv(int, char **);
 char		*cmd_stringify_argv(int, char **);
 char		*cmd_get_alias(const char *);
+const struct cmd_entry *cmd_get_entry(struct cmd *);
+struct args	*cmd_get_args(struct cmd *);
+void		 cmd_get_source(struct cmd *, const char **, u_int *);
 struct cmd	*cmd_parse(int, char **, const char *, u_int, char **);
 void		 cmd_free(struct cmd *);
 char		*cmd_print(struct cmd *);
+struct cmd_list	*cmd_list_new(void);
+void		 cmd_list_append(struct cmd_list *, struct cmd *);
+void		 cmd_list_move(struct cmd_list *, struct cmd_list *);
+void		 cmd_list_free(struct cmd_list *);
+char		*cmd_list_print(struct cmd_list *, int);
+struct cmd	*cmd_list_first(struct cmd_list *, u_int *);
+struct cmd	*cmd_list_next(struct cmd *, u_int *);
+int		 cmd_list_all_have(struct cmd_list *, int);
+int		 cmd_list_any_have(struct cmd_list *, int);
 int		 cmd_mouse_at(struct window_pane *, struct mouse_event *,
 		     u_int *, u_int *, int);
 struct winlink	*cmd_mouse_window(struct mouse_event *, struct session **);
 struct window_pane *cmd_mouse_pane(struct mouse_event *, struct session **,
 		     struct winlink **);
 char		*cmd_template_replace(const char *, const char *, int);
-extern const struct cmd_entry *cmd_table[];
 
 /* cmd-attach-session.c */
 enum cmd_retval	 cmd_attach_session(struct cmdq_item *, const char *, int, int,
@@ -2136,13 +2134,6 @@ struct cmd_parse_result *cmd_parse_from_buffer(const void *, size_t,
 struct cmd_parse_result *cmd_parse_from_arguments(int, char **,
 		     struct cmd_parse_input *);
 
-/* cmd-list.c */
-struct cmd_list	*cmd_list_new(void);
-void		 cmd_list_append(struct cmd_list *, struct cmd *);
-void		 cmd_list_move(struct cmd_list *, struct cmd_list *);
-void		 cmd_list_free(struct cmd_list *);
-char		*cmd_list_print(struct cmd_list *, int);
-
 /* cmd-queue.c */
 struct cmdq_item *cmdq_get_command(struct cmd_list *, struct cmd_find_state *,
 		     struct mouse_event *, int);