Merge branch 'obsd-master'

Conflicts:
	Makefile
	tmux.1
	window.c

Makefile.am

@@ -73,7 +73,6 @@ dist_tmux_SOURCES = \
 	cmd-capture-pane.c \
 	cmd-choose-buffer.c \
 	cmd-choose-client.c \
-	cmd-choose-list.c \
 	cmd-choose-tree.c \
 	cmd-clear-history.c \
 	cmd-clock-mode.c \

arguments.c

@@ -125,7 +125,7 @@ args_free(struct args *args)
 size_t
 args_print(struct args *args, char *buf, size_t len)
 {
-	size_t		 	 off;
+	size_t		 	 off, used;
 	int			 i;
 	const char		*quotes;
 	struct args_entry	*entry;
@@ -165,9 +165,12 @@ args_print(struct args *args, char *buf, size_t len)
 			quotes = "\"";
 		else
 			quotes = "";
-		off += xsnprintf(buf + off, len - off, "%s-%c %s%s%s",
+		used = xsnprintf(buf + off, len - off, "%s-%c %s%s%s",
 		    off != 0 ? " " : "", entry->flag, quotes, entry->value,
 		    quotes);
+		if (used > len - off)
+			used = len - off;
+		off += used;
 	}
 
 	/* And finally the argument vector. */
@@ -181,8 +184,11 @@ args_print(struct args *args, char *buf, size_t len)
 			quotes = "\"";
 		else
 			quotes = "";
-		off += xsnprintf(buf + off, len - off, "%s%s%s%s",
+		used = xsnprintf(buf + off, len - off, "%s%s%s%s",
 		    off != 0 ? " " : "", quotes, args->argv[i], quotes);
+		if (used > len - off)
+			used = len - off;
+		off += used;
 	}
 
 	return (off);

cfg.c

@@ -17,7 +17,6 @@
  */
 
 #include <sys/types.h>
-#include <sys/stat.h>
 
 #include <ctype.h>
 #include <errno.h>

client.c

@@ -25,8 +25,6 @@
 
 #include <errno.h>
 #include <event.h>
-#include <fcntl.h>
-#include <pwd.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>

cmd-break-pane.c

@@ -65,16 +65,7 @@ cmd_break_pane_exec(struct cmd *self, struct cmd_q *cmdq)
 	server_unzoom_window(w);
 
 	TAILQ_REMOVE(&w->panes, wp, entry);
-	if (wp == w->active) {
+	window_lost_pane(w, wp);
-		w->active = w->last;
-		w->last = NULL;
-		if (w->active == NULL) {
-			w->active = TAILQ_PREV(wp, window_panes, entry);
-			if (w->active == NULL)
-				w->active = TAILQ_NEXT(wp, entry);
-		}
-	} else if (wp == w->last)
-		w->last = NULL;
 	layout_close_pane(wp);
 
 	w = wp->window = window_create1(s->sx, s->sy);

cmd-choose-list.c

@@ -1,97 +0,0 @@
-/* $Id$ */
-
-/*
- * Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
- * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/types.h>
-
-#include <ctype.h>
-#include <stdlib.h>
-
-#include <string.h>
-
-#include "tmux.h"
-
-#define CMD_CHOOSE_LIST_DEFAULT_TEMPLATE "run-shell '%%'"
-
-/*
- * Enter choose mode to choose a custom list.
- */
-
-enum cmd_retval cmd_choose_list_exec(struct cmd *, struct cmd_q *);
-
-const struct cmd_entry cmd_choose_list_entry = {
-	"choose-list", NULL,
-	"l:t:", 0, 1,
-	"[-l items] " CMD_TARGET_WINDOW_USAGE "[template]",
-	0,
-	NULL,
-	cmd_choose_list_exec
-};
-
-enum cmd_retval
-cmd_choose_list_exec(struct cmd *self, struct cmd_q *cmdq)
-{
-	struct args			*args = self->args;
-	struct client			*c;
-	struct winlink			*wl;
-	const char			*list1;
-	char				*template, *item, *copy, *list;
-	u_int				 idx;
-
-	if ((c = cmd_current_client(cmdq)) == NULL) {
-		cmdq_error(cmdq, "no client available");
-		return (CMD_RETURN_ERROR);
-	}
-
-	if ((list1 = args_get(args, 'l')) == NULL)
-		return (CMD_RETURN_ERROR);
-
-	if ((wl = cmd_find_window(cmdq, args_get(args, 't'), NULL)) == NULL)
-		return (CMD_RETURN_ERROR);
-
-	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
-		return (CMD_RETURN_NORMAL);
-
-	if (args->argc != 0)
-		template = xstrdup(args->argv[0]);
-	else
-		template = xstrdup(CMD_CHOOSE_LIST_DEFAULT_TEMPLATE);
-
-	copy = list = xstrdup(list1);
-	idx = 0;
-	while ((item = strsep(&list, ",")) != NULL)
-	{
-		if (*item == '\0') /* no empty entries */
-			continue;
-		window_choose_add_item(wl->window->active, c, wl, item,
-		    template, idx);
-		idx++;
-	}
-	free(copy);
-
-	if (idx == 0) {
-		free(template);
-		window_pane_reset_mode(wl->window->active);
-		return (CMD_RETURN_ERROR);
-	}
-
-	window_choose_ready(wl->window->active, 0, NULL);
-
-	free(template);
-
-	return (CMD_RETURN_NORMAL);
-}

cmd-find-window.c

@@ -84,7 +84,8 @@ cmd_find_window_match_flags(struct args *args)
 
 void
 cmd_find_window_match(struct cmd_find_window_data_list *find_list,
-    int match_flags, struct winlink *wl, const char *str, const char *searchstr)
+    int match_flags, struct winlink *wl, const char *str,
+    const char *searchstr)
 {
 	struct cmd_find_window_data	 find_data;
 	struct window_pane		*wp;

cmd-join-pane.c

@@ -138,11 +138,7 @@ join_pane(struct cmd *self, struct cmd_q *cmdq, int not_same_window)
 
 	layout_close_pane(src_wp);
 
-	if (src_w->active == src_wp) {
+	window_lost_pane(src_w, src_wp);
-		src_w->active = TAILQ_PREV(src_wp, window_panes, entry);
-		if (src_w->active == NULL)
-			src_w->active = TAILQ_NEXT(src_wp, entry);
-	}
 	TAILQ_REMOVE(&src_w->panes, src_wp, entry);
 
 	if (window_count_panes(src_w) == 0)

cmd-list.c

@@ -103,7 +103,7 @@ size_t
 cmd_list_print(struct cmd_list *cmdlist, char *buf, size_t len)
 {
 	struct cmd	*cmd;
-	size_t		 off;
+	size_t		 off, used;
 
 	off = 0;
 	TAILQ_FOREACH(cmd, &cmdlist->list, qentry) {
@@ -112,8 +112,12 @@ cmd_list_print(struct cmd_list *cmdlist, char *buf, size_t len)
 		off += cmd_print(cmd, buf + off, len - off);
 		if (off >= len)
 			break;
-		if (TAILQ_NEXT(cmd, qentry) != NULL)
+		if (TAILQ_NEXT(cmd, qentry) != NULL) {
-			off += xsnprintf(buf + off, len - off, " ; ");
+			used = xsnprintf(buf + off, len - off, " ; ");
+			if (used > len - off)
+				used = len - off;
+			off += used;
+		}
 	}
 	return (off);
 }

cmd-lock-server.c

@@ -18,10 +18,6 @@
 
 #include <sys/types.h>
 
-#include <pwd.h>
-#include <string.h>
-#include <unistd.h>
-
 #include "tmux.h"
 
 /*

cmd-new-session.c

@@ -20,7 +20,6 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <pwd.h>
 #include <stdlib.h>
 #include <string.h>
 #include <termios.h>
@@ -55,10 +54,12 @@ cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq)
 	struct environ		 env;
 	struct termios		 tio, *tiop;
 	const char		*newname, *target, *update, *errstr, *template;
+	const char		*path;
 	char			*cmd, *cause, *cp;
 	int			 detached, already_attached, idx, cwd, fd = -1;
 	u_int			 sx, sy;
 	struct format_tree	*ft;
+	struct environ_entry	*envent;
 
 	if (args_has(args, 't') && (args->argc != 0 || args_has(args, 'n'))) {
 		cmdq_error(cmdq, "command or window name given with target");
@@ -189,6 +190,14 @@ cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq)
 	else
 		cmd = options_get_string(&global_s_options, "default-command");
 
+	path = NULL;
+	if (c != NULL && c->session == NULL)
+		envent = environ_find(&c->environ, "PATH");
+	else
+		envent = environ_find(&global_environ, "PATH");
+	if (envent != NULL)
+		path = envent->value;
+
 	/* Construct the environment. */
 	environ_init(&env);
 	update = options_get_string(&global_s_options, "update-environment");
@@ -197,7 +206,8 @@ cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq)
 
 	/* Create the new session. */
 	idx = -1 - options_get_number(&global_s_options, "base-index");
-	s = session_create(newname, cmd, cwd, &env, tiop, idx, sx, sy, &cause);
+	s = session_create(newname, cmd, path, cwd, &env, tiop, idx, sx, sy,
+	    &cause);
 	if (s == NULL) {
 		cmdq_error(cmdq, "create session failed: %s", cause);
 		free(cause);

cmd-new-window.c

@@ -49,10 +49,11 @@ cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	struct session		*s;
 	struct winlink		*wl;
 	struct client		*c;
-	const char		*cmd, *template;
+	const char		*cmd, *path, *template;
 	char			*cause, *cp;
 	int			 idx, last, detached, cwd, fd = -1;
 	struct format_tree	*ft;
+	struct environ_entry	*envent;
 
 	if (args_has(args, 'a')) {
 		wl = cmd_find_window(cmdq, args_get(args, 't'), &s);
@@ -77,7 +78,8 @@ cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq)
 			server_unlink_window(s, wl);
 		}
 	} else {
-		if ((idx = cmd_find_index(cmdq, args_get(args, 't'), &s)) == -2)
+		idx = cmd_find_index(cmdq, args_get(args, 't'), &s);
+		if (idx == -2)
 			return (CMD_RETURN_ERROR);
 	}
 	detached = args_has(args, 'd');
@@ -87,6 +89,14 @@ cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	else
 		cmd = args->argv[0];
 
+	path = NULL;
+	if (cmdq->client != NULL && cmdq->client->session == NULL)
+		envent = environ_find(&cmdq->client->environ, "PATH");
+	else
+		envent = environ_find(&s->environ, "PATH");
+	if (envent != NULL)
+		path = envent->value;
+
 	if (args_has(args, 'c')) {
 		ft = format_create();
 		if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
@@ -135,7 +145,7 @@ cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq)
 
 	if (idx == -1)
 		idx = -1 - options_get_number(&s->options, "base-index");
-	wl = session_new(s, args_get(args, 'n'), cmd, cwd, idx, &cause);
+	wl = session_new(s, args_get(args, 'n'), cmd, path, cwd, idx, &cause);
 	if (wl == NULL) {
 		cmdq_error(cmdq, "create window failed: %s", cause);
 		free(cause);

cmd-queue.c

@@ -86,37 +86,6 @@ cmdq_print(struct cmd_q *cmdq, const char *fmt, ...)
 	va_end(ap);
 }
 
-/* Show info from command. */
-void printflike2
-cmdq_info(struct cmd_q *cmdq, const char *fmt, ...)
-{
-	struct client	*c = cmdq->client;
-	va_list		 ap;
-	char		*msg;
-
-	if (options_get_number(&global_options, "quiet"))
-		return;
-
-	va_start(ap, fmt);
-
-	if (c == NULL)
-		/* nothing */;
-	else if (c->session == NULL || (c->flags & CLIENT_CONTROL)) {
-		evbuffer_add_vprintf(c->stdout_data, fmt, ap);
-
-		evbuffer_add(c->stdout_data, "\n", 1);
-		server_push_stdout(c);
-	} else {
-		xvasprintf(&msg, fmt, ap);
-		*msg = toupper((u_char) *msg);
-		status_message_set(c, "%s", msg);
-		free(msg);
-	}
-
-	va_end(ap);
-
-}
-
 /* Show error from command. */
 void printflike2
 cmdq_error(struct cmd_q *cmdq, const char *fmt, ...)

cmd-respawn-pane.c

@@ -48,9 +48,10 @@ cmd_respawn_pane_exec(struct cmd *self, struct cmd_q *cmdq)
 	struct window_pane	*wp;
 	struct session		*s;
 	struct environ		 env;
-	const char		*cmd;
+	const char		*cmd, *path;
 	char			*cause;
 	u_int			 idx;
+	struct environ_entry	*envent;
 
 	if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
 		return (CMD_RETURN_ERROR);
@@ -77,7 +78,17 @@ cmd_respawn_pane_exec(struct cmd *self, struct cmd_q *cmdq)
 		cmd = args->argv[0];
 	else
 		cmd = NULL;
-	if (window_pane_spawn(wp, cmd, NULL, -1, &env, s->tio, &cause) != 0) {
+
+	path = NULL;
+	if (cmdq->client != NULL && cmdq->client->session == NULL)
+		envent = environ_find(&cmdq->client->environ, "PATH");
+	else
+		envent = environ_find(&s->environ, "PATH");
+	if (envent != NULL)
+		path = envent->value;
+
+	if (window_pane_spawn(wp, cmd, path, NULL, -1, &env, s->tio,
+	    &cause) != 0) {
 		cmdq_error(cmdq, "respawn pane failed: %s", cause);
 		free(cause);
 		environ_free(&env);

cmd-respawn-window.c

@@ -47,8 +47,9 @@ cmd_respawn_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	struct window_pane	*wp;
 	struct session		*s;
 	struct environ		 env;
-	const char		*cmd;
+	const char		*cmd, *path;
 	char		 	*cause;
+	struct environ_entry	*envent;
 
 	if ((wl = cmd_find_window(cmdq, args_get(args, 't'), &s)) == NULL)
 		return (CMD_RETURN_ERROR);
@@ -79,7 +80,17 @@ cmd_respawn_window_exec(struct cmd *self, struct cmd_q *cmdq)
 		cmd = args->argv[0];
 	else
 		cmd = NULL;
-	if (window_pane_spawn(wp, cmd, NULL, -1, &env, s->tio, &cause) != 0) {
+
+	path = NULL;
+	if (cmdq->client != NULL && cmdq->client->session == NULL)
+		envent = environ_find(&cmdq->client->environ, "PATH");
+	else
+		envent = environ_find(&s->environ, "PATH");
+	if (envent != NULL)
+		path = envent->value;
+
+	if (window_pane_spawn(wp, cmd, path, NULL, -1, &env, s->tio,
+	    &cause) != 0) {
 		cmdq_error(cmdq, "respawn window failed: %s", cause);
 		free(cause);
 		environ_free(&env);

cmd-run-shell.c

@@ -161,13 +161,9 @@ cmd_run_shell_callback(struct job *job)
 		retcode = WTERMSIG(job->status);
 		xasprintf(&msg, "'%s' terminated by signal %d", cmd, retcode);
 	}
-	if (msg != NULL) {
+	if (msg != NULL)
-		if (lines == 0)
+		cmd_run_shell_print(job, msg);
-			cmdq_info(cmdq, "%s", msg);
+	free(msg);
-		else
-			cmd_run_shell_print(job, msg);
-		free(msg);
-	}
 }
 
 void

cmd-save-buffer.c

@@ -111,7 +111,7 @@ cmd_save_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
 		if (fd != -1)
 			f = fdopen(fd, "ab");
 	} else {
-		fd = openat(cwd, path, O_CREAT|O_RDWR, 0600);
+		fd = openat(cwd, path, O_CREAT|O_RDWR|O_TRUNC, 0600);
 		if (fd != -1)
 			f = fdopen(fd, "wb");
 	}
@@ -141,7 +141,6 @@ do_print:
 		return (CMD_RETURN_ERROR);
 	}
 	msg = NULL;
-	msglen = 0;
 
 	used = 0;
 	while (used != pb->size) {

cmd-select-layout.c

@@ -104,7 +104,6 @@ cmd_select_layout_exec(struct cmd *self, struct cmd_q *cmdq)
 		else
 			layout = layout_set_previous(wl->window);
 		server_redraw_window(wl->window);
-		cmdq_info(cmdq, "arranging in: %s", layout_set_name(layout));
 		return (CMD_RETURN_NORMAL);
 	}
 
@@ -115,7 +114,6 @@ cmd_select_layout_exec(struct cmd *self, struct cmd_q *cmdq)
 	if (layout != -1) {
 		layout = layout_set_select(wl->window, layout);
 		server_redraw_window(wl->window);
-		cmdq_info(cmdq, "arranging in: %s", layout_set_name(layout));
 		return (CMD_RETURN_NORMAL);
 	}
 
@@ -126,7 +124,6 @@ cmd_select_layout_exec(struct cmd *self, struct cmd_q *cmdq)
 			return (CMD_RETURN_ERROR);
 		}
 		server_redraw_window(wl->window);
-		cmdq_info(cmdq, "arranging in: %s", layoutname);
 	}
 	return (CMD_RETURN_NORMAL);
 }

cmd-set-option.c

@@ -117,8 +117,11 @@ cmd_set_option_exec(struct cmd *self, struct cmd_q *cmdq)
 		return (CMD_RETURN_ERROR);
 	}
 	if (oe == NULL) {
-		cmdq_error(cmdq, "unknown option: %s", optstr);
+		if (!args_has(args, 'q')) {
-		return (CMD_RETURN_ERROR);
+			cmdq_error(cmdq, "unknown option: %s", optstr);
+			return (CMD_RETURN_ERROR);
+		}
+		return (CMD_RETURN_NORMAL);
 	}
 
 	/* Work out the tree from the table. */
@@ -163,8 +166,10 @@ cmd_set_option_exec(struct cmd *self, struct cmd_q *cmdq)
 			return (CMD_RETURN_ERROR);
 	} else {
 		if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) {
-			if (!args_has(args, 'q'))
+			if (!args_has(args, 'q')) {
-				cmdq_print(cmdq, "already set: %s", optstr);
+				cmdq_error(cmdq, "already set: %s", optstr);
+				return (CMD_RETURN_ERROR);
+			}
 			return (CMD_RETURN_NORMAL);
 		}
 		if (cmd_set_option_set(self, cmdq, oe, oo, valstr) != 0)
@@ -229,8 +234,11 @@ cmd_set_option_user(struct cmd *self, struct cmd_q *cmdq, const char* optstr,
 
 	if (args_has(args, 'u')) {
 		if (options_find1(oo, optstr) == NULL) {
-			cmdq_error(cmdq, "unknown option: %s", optstr);
+			if (!args_has(args, 'q')) {
-			return (CMD_RETURN_ERROR);
+				cmdq_error(cmdq, "unknown option: %s", optstr);
+				return (CMD_RETURN_ERROR);
+			}
+			return (CMD_RETURN_NORMAL);
 		}
 		if (valstr != NULL) {
 			cmdq_error(cmdq, "value passed to unset option: %s",
@@ -244,15 +252,13 @@ cmd_set_option_user(struct cmd *self, struct cmd_q *cmdq, const char* optstr,
 			return (CMD_RETURN_ERROR);
 		}
 		if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) {
-			if (!args_has(args, 'q'))
+			if (!args_has(args, 'q')) {
-				cmdq_print(cmdq, "already set: %s", optstr);
+				cmdq_error(cmdq, "already set: %s", optstr);
+				return CMD_RETURN_ERROR;
+			}
 			return (CMD_RETURN_NORMAL);
 		}
 		options_set_string(oo, optstr, "%s", valstr);
-		if (!args_has(args, 'q')) {
-			cmdq_info(cmdq, "set option: %s -> %s", optstr,
-			    valstr);
-		}
 	}
 	return (CMD_RETURN_NORMAL);
 }
@@ -261,7 +267,8 @@ cmd_set_option_user(struct cmd *self, struct cmd_q *cmdq, const char* optstr,
 /* Unset an option. */
 int
 cmd_set_option_unset(struct cmd *self, struct cmd_q *cmdq,
-    const struct options_table_entry *oe, struct options *oo, const char *value)
+    const struct options_table_entry *oe, struct options *oo,
+    const char *value)
 {
 	struct args	*args = self->args;
 
@@ -275,19 +282,16 @@ cmd_set_option_unset(struct cmd *self, struct cmd_q *cmdq,
 	}
 
 	options_remove(oo, oe->name);
-	if (!args_has(args, 'q'))
-		cmdq_info(cmdq, "unset option: %s", oe->name);
 	return (0);
 }
 
 /* Set an option. */
 int
 cmd_set_option_set(struct cmd *self, struct cmd_q *cmdq,
-    const struct options_table_entry *oe, struct options *oo, const char *value)
+    const struct options_table_entry *oe, struct options *oo,
+    const char *value)
 {
-	struct args		*args = self->args;
 	struct options_entry	*o;
-	const char		*s;
 
 	if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) {
 		cmdq_error(cmdq, "empty value");
@@ -327,17 +331,14 @@ cmd_set_option_set(struct cmd *self, struct cmd_q *cmdq,
 	}
 	if (o == NULL)
 		return (-1);
-
-	s = options_table_print_entry(oe, o, 0);
-	if (!args_has(args, 'q'))
-		cmdq_info(cmdq, "set option: %s -> %s", oe->name, s);
 	return (0);
 }
 
 /* Set a string option. */
 struct options_entry *
 cmd_set_option_string(struct cmd *self, unused struct cmd_q *cmdq,
-    const struct options_table_entry *oe, struct options *oo, const char *value)
+    const struct options_table_entry *oe, struct options *oo,
+    const char *value)
 {
 	struct args		*args = self->args;
 	struct options_entry	*o;
@@ -358,7 +359,8 @@ cmd_set_option_string(struct cmd *self, unused struct cmd_q *cmdq,
 /* Set a number option. */
 struct options_entry *
 cmd_set_option_number(unused struct cmd *self, struct cmd_q *cmdq,
-    const struct options_table_entry *oe, struct options *oo, const char *value)
+    const struct options_table_entry *oe, struct options *oo,
+    const char *value)
 {
 	long long	 ll;
 	const char     	*errstr;
@@ -375,7 +377,8 @@ cmd_set_option_number(unused struct cmd *self, struct cmd_q *cmdq,
 /* Set a key option. */
 struct options_entry *
 cmd_set_option_key(unused struct cmd *self, struct cmd_q *cmdq,
-    const struct options_table_entry *oe, struct options *oo, const char *value)
+    const struct options_table_entry *oe, struct options *oo,
+    const char *value)
 {
 	int	key;
 
@@ -390,7 +393,8 @@ cmd_set_option_key(unused struct cmd *self, struct cmd_q *cmdq,
 /* Set a colour option. */
 struct options_entry *
 cmd_set_option_colour(unused struct cmd *self, struct cmd_q *cmdq,
-    const struct options_table_entry *oe, struct options *oo, const char *value)
+    const struct options_table_entry *oe, struct options *oo,
+    const char *value)
 {
 	int	colour;
 
@@ -405,7 +409,8 @@ cmd_set_option_colour(unused struct cmd *self, struct cmd_q *cmdq,
 /* Set an attributes option. */
 struct options_entry *
 cmd_set_option_attributes(unused struct cmd *self, struct cmd_q *cmdq,
-    const struct options_table_entry *oe, struct options *oo, const char *value)
+    const struct options_table_entry *oe, struct options *oo,
+    const char *value)
 {
 	int	attr;
 
@@ -420,7 +425,8 @@ cmd_set_option_attributes(unused struct cmd *self, struct cmd_q *cmdq,
 /* Set a flag option. */
 struct options_entry *
 cmd_set_option_flag(unused struct cmd *self, struct cmd_q *cmdq,
-    const struct options_table_entry *oe, struct options *oo, const char *value)
+    const struct options_table_entry *oe, struct options *oo,
+    const char *value)
 {
 	int	flag;
 

cmd-show-options.c

@@ -100,15 +100,17 @@ cmd_show_options_one(struct cmd *self, struct cmd_q *cmdq,
     struct options *oo, int quiet)
 {
 	struct args				*args = self->args;
+	const char				*name = args->argv[0];
 	const struct options_table_entry	*table, *oe;
 	struct options_entry			*o;
 	const char				*optval;
 
-	if (*args->argv[0] == '@') {
+retry:
-		if ((o = options_find1(oo, args->argv[0])) == NULL) {
+	if (*name == '@') {
+		if ((o = options_find1(oo, name)) == NULL) {
 			if (quiet)
 				return (CMD_RETURN_NORMAL);
-			cmdq_error(cmdq, "unknown option: %s", args->argv[0]);
+			cmdq_error(cmdq, "unknown option: %s", name);
 			return (CMD_RETURN_ERROR);
 		}
 		if (args_has(self->args, 'v'))
@@ -119,16 +121,20 @@ cmd_show_options_one(struct cmd *self, struct cmd_q *cmdq,
 	}
 
 	table = oe = NULL;
-	if (options_table_find(args->argv[0], &table, &oe) != 0) {
+	if (options_table_find(name, &table, &oe) != 0) {
-		cmdq_error(cmdq, "ambiguous option: %s", args->argv[0]);
+		cmdq_error(cmdq, "ambiguous option: %s", name);
 		return (CMD_RETURN_ERROR);
 	}
 	if (oe == NULL) {
 		if (quiet)
 		    return (CMD_RETURN_NORMAL);
-		cmdq_error(cmdq, "unknown option: %s", args->argv[0]);
+		cmdq_error(cmdq, "unknown option: %s", name);
 		return (CMD_RETURN_ERROR);
 	}
+	if (oe->style != NULL) {
+		name = oe->style;
+		goto retry;
+	}
 	if ((o = options_find1(oo, oe->name)) == NULL)
 		return (CMD_RETURN_NORMAL);
 	optval = options_table_print_entry(oe, o, args_has(self->args, 'v'));
@@ -157,6 +163,8 @@ cmd_show_options_all(struct cmd *self, struct cmd_q *cmdq,
 	}
 
 	for (oe = table; oe->name != NULL; oe++) {
+		if (oe->style != NULL)
+			continue;
 		if ((o = options_find1(oo, oe->name)) == NULL)
 			continue;
 		optval = options_table_print_entry(oe, o,

cmd-split-window.c

@@ -60,7 +60,7 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	struct window		*w;
 	struct window_pane	*wp, *new_wp = NULL;
 	struct environ		 env;
-	const char		*cmd, *shell, *template;
+	const char		*cmd, *path, *shell, *template;
 	char			*cause, *new_cause, *cp;
 	u_int			 hlimit;
 	int			 size, percentage, cwd, fd = -1;
@@ -68,6 +68,7 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	struct layout_cell	*lc;
 	struct client		*c;
 	struct format_tree	*ft;
+	struct environ_entry	*envent;
 
 	if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
 		return (CMD_RETURN_ERROR);
@@ -147,8 +148,17 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
 		goto error;
 	}
 	new_wp = window_add_pane(w, hlimit);
+
+	path = NULL;
+	if (cmdq->client != NULL && cmdq->client->session == NULL)
+		envent = environ_find(&cmdq->client->environ, "PATH");
+	else
+		envent = environ_find(&s->environ, "PATH");
+	if (envent != NULL)
+		path = envent->value;
+
 	if (window_pane_spawn(
-	    new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0)
+	    new_wp, cmd, path, shell, cwd, &env, s->tio, &cause) != 0)
 		goto error;
 	layout_assign_pane(lc, new_wp);
 

cmd-switch-client.c

@@ -71,13 +71,10 @@ cmd_switch_client_exec(struct cmd *self, struct cmd_q *cmdq)
 		return (CMD_RETURN_ERROR);
 
 	if (args_has(args, 'r')) {
-		if (c->flags & CLIENT_READONLY) {
+		if (c->flags & CLIENT_READONLY)
 			c->flags &= ~CLIENT_READONLY;
-			cmdq_info(cmdq, "made client writable");
+		else
-		} else {
 			c->flags |= CLIENT_READONLY;
-			cmdq_info(cmdq, "made client read-only");
-		}
 	}
 
 	tflag = args_get(args, 't');

cmd.c

@@ -34,7 +34,6 @@ const struct cmd_entry *cmd_table[] = {
 	&cmd_capture_pane_entry,
 	&cmd_choose_buffer_entry,
 	&cmd_choose_client_entry,
-	&cmd_choose_list_entry,
 	&cmd_choose_session_entry,
 	&cmd_choose_tree_entry,
 	&cmd_choose_window_entry,

environ.c

@@ -137,7 +137,8 @@ environ_unset(struct environ *env, const char *name)
  * environment.
  */
 void
-environ_update(const char *vars, struct environ *srcenv, struct environ *dstenv)
+environ_update(const char *vars, struct environ *srcenv,
+    struct environ *dstenv)
 {
 	struct environ_entry	*envent;
 	char			*copyvars, *var, *next;

format.c

@@ -194,10 +194,10 @@ int
 format_replace(struct format_tree *ft, const char *key, size_t keylen,
     char **buf, size_t *len, size_t *off)
 {
-	char		*copy, *copy0, *endptr, *ptr, *saved;
+	char		*copy, *copy0, *endptr, *ptr, *saved, *trimmed;
 	const char	*value;
 	size_t		 valuelen;
-	u_long		 limit = ULONG_MAX;
+	u_long		 limit = 0;
 
 	/* Make a copy of the key. */
 	copy0 = copy = xmalloc(keylen + 1);
@@ -256,11 +256,14 @@ format_replace(struct format_tree *ft, const char *key, size_t keylen,
 			value = "";
 		saved = NULL;
 	}
-	valuelen = strlen(value);
 
 	/* Truncate the value if needed. */
-	if (valuelen > limit)
+	if (limit != 0) {
-		valuelen = limit;
+		value = trimmed = utf8_trimcstr(value, limit);
+		free(saved);
+		saved = trimmed;
+	}
+	valuelen = strlen(value);
 
 	/* Expand the buffer and copy in the value. */
 	while (*len - *off < valuelen + 1) {
@@ -487,8 +490,6 @@ format_winlink(struct format_tree *ft, struct session *s, struct winlink *wl)
 
 	format_add(ft, "window_bell_flag", "%u",
 	    !!(wl->flags & WINLINK_BELL));
-	format_add(ft, "window_content_flag", "%u",
-	    !!(wl->flags & WINLINK_CONTENT));
 	format_add(ft, "window_activity_flag", "%u",
 	    !!(wl->flags & WINLINK_ACTIVITY));
 	format_add(ft, "window_silence_flag", "%u",

grid-view.c

@@ -131,7 +131,8 @@ grid_view_insert_lines(struct grid *gd, u_int py, u_int ny)
 
 /* Insert lines in region. */
 void
-grid_view_insert_lines_region(struct grid *gd, u_int rlower, u_int py, u_int ny)
+grid_view_insert_lines_region(struct grid *gd, u_int rlower, u_int py,
+    u_int ny)
 {
 	u_int	ny2;
 
@@ -160,7 +161,8 @@ grid_view_delete_lines(struct grid *gd, u_int py, u_int ny)
 
 /* Delete lines inside scroll region. */
 void
-grid_view_delete_lines_region(struct grid *gd, u_int rlower, u_int py, u_int ny)
+grid_view_delete_lines_region(struct grid *gd, u_int rlower, u_int py,
+    u_int ny)
 {
 	u_int	ny2;
 

grid.c

@@ -624,7 +624,7 @@ grid_string_cells(struct grid *gd, u_int px, u_int py, u_int nx,
 		off += size;
 	}
 
-        if (trim) {
+	if (trim) {
 		while (off > 0 && buf[off - 1] == ' ')
 			off--;
 	}

input.c

@@ -55,6 +55,7 @@ void	input_set_state(struct window_pane *, const struct input_transition *);
 
 /* Transition entry/exit handlers. */
 void	input_clear(struct input_ctx *);
+void	input_ground(struct input_ctx *);
 void	input_enter_osc(struct input_ctx *);
 void	input_exit_osc(struct input_ctx *);
 void	input_enter_apc(struct input_ctx *);
@@ -242,7 +243,7 @@ const struct input_transition input_state_utf8_one_table[];
 /* ground state definition. */
 const struct input_state input_state_ground = {
 	"ground",
-	NULL, NULL,
+	input_ground, NULL,
 	input_state_ground_table
 };
 
@@ -701,6 +702,12 @@ input_init(struct window_pane *wp)
 	*ictx->param_buf = '\0';
 	ictx->param_len = 0;
 
+	ictx->input_space = INPUT_BUF_START;
+	ictx->input_buf = xmalloc(INPUT_BUF_START);
+
+	*ictx->input_buf = '\0';
+	ictx->input_len = 0;
+
 	ictx->state = &input_state_ground;
 	ictx->flags = 0;
 
@@ -711,8 +718,11 @@ input_init(struct window_pane *wp)
 void
 input_free(struct window_pane *wp)
 {
-	if (wp != NULL)
+	if (wp == NULL)
-		evbuffer_free(wp->ictx.since_ground);
+		return;
+
+	free(wp->ictx.input_buf);
+	evbuffer_free(wp->ictx.since_ground);
 }
 
 /* Change input state. */
@@ -720,14 +730,9 @@ void
 input_set_state(struct window_pane *wp, const struct input_transition *itr)
 {
 	struct input_ctx	*ictx = &wp->ictx;
-	struct evbuffer		*ground_evb = ictx->since_ground;
 
 	if (ictx->state->exit != NULL)
 		ictx->state->exit(ictx);
-
-	if (itr->state == &input_state_ground)
-		evbuffer_drain(ground_evb, EVBUFFER_LENGTH(ground_evb));
-
 	ictx->state = itr->state;
 	if (ictx->state->enter != NULL)
 		ictx->state->enter(ictx);
@@ -882,6 +887,18 @@ input_clear(struct input_ctx *ictx)
 	ictx->flags &= ~INPUT_DISCARD;
 }
 
+/* Reset for ground state. */
+void
+input_ground(struct input_ctx *ictx)
+{
+	evbuffer_drain(ictx->since_ground, EVBUFFER_LENGTH(ictx->since_ground));
+
+	if (ictx->input_space > INPUT_BUF_START) {
+		ictx->input_space = INPUT_BUF_START;
+		ictx->input_buf = xrealloc(ictx->input_buf, 1, INPUT_BUF_START);
+	}
+}
+
 /* Output this character to the screen. */
 int
 input_print(struct input_ctx *ictx)
@@ -924,12 +941,20 @@ input_parameter(struct input_ctx *ictx)
 int
 input_input(struct input_ctx *ictx)
 {
-	if (ictx->input_len == (sizeof ictx->input_buf) - 1)
+	size_t available;
-		ictx->flags |= INPUT_DISCARD;
+
-	else {
+	available = ictx->input_space;
-		ictx->input_buf[ictx->input_len++] = ictx->ch;
+	while (ictx->input_len + 1 >= available) {
-		ictx->input_buf[ictx->input_len] = '\0';
+		available *= 2;
+		if (available > INPUT_BUF_LIMIT) {
+			ictx->flags |= INPUT_DISCARD;
+			return (0);
+		}
+		ictx->input_buf = xrealloc(ictx->input_buf, 1, available);
+		ictx->input_space = available;
 	}
+	ictx->input_buf[ictx->input_len++] = ictx->ch;
+	ictx->input_buf[ictx->input_len] = '\0';
 
 	return (0);
 }
@@ -1666,8 +1691,8 @@ input_enter_osc(struct input_ctx *ictx)
 void
 input_exit_osc(struct input_ctx *ictx)
 {
-	u_char *p = ictx->input_buf;
+	u_char	*p = ictx->input_buf;
-	int	option;
+	int	 option;
 
 	if (ictx->flags & INPUT_DISCARD)
 		return;

job.c

@@ -59,6 +59,8 @@ job_run(const char *cmd, struct session *s,
 	switch (pid = fork()) {
 	case -1:
 		environ_free(&env);
+		close(out[0]);
+		close(out[1]);
 		return (NULL);
 	case 0:		/* child */
 		clear_signals(1);

key-bindings.c

@@ -212,7 +212,7 @@ key_bindings_dispatch(struct key_binding *bd, struct client *c)
 			readonly = 0;
 	}
 	if (!readonly && (c->flags & CLIENT_READONLY)) {
-		cmdq_info(c->cmdq, "client is read-only");
+		cmdq_error(c->cmdq, "client is read-only");
 		return;
 	}
 

layout-set.c

@@ -23,8 +23,8 @@
 #include "tmux.h"
 
 /*
- * Set window layouts - predefined methods to arrange windows. These are one-off
+ * Set window layouts - predefined methods to arrange windows. These are
- * and generate a layout tree.
+ * one-off and generate a layout tree.
  */
 
 void	layout_set_even_h(struct window *);

options-table.c

@@ -27,8 +27,8 @@
  * options. These tables are the master copy of the options with their real
  * (user-visible) types, range limits and default values. At start these are
  * copied into the runtime global options trees (which only has number and
- * string types). These tables are then used to loop up the real type when
+ * string types). These tables are then used to look up the real type when the
- * the user sets an option or its value needs to be shown.
+ * user sets an option or its value needs to be shown.
  */
 
 /* Choice option type lists. */
@@ -89,7 +89,7 @@ const struct options_table_entry server_options_table[] = {
 
 	{ .name = "quiet",
 	  .type = OPTIONS_TABLE_FLAG,
-	  .default_num = 0 /* overridden in main() */
+	  .default_num = 0
 	},
 
 	{ .name = "set-clipboard",
@@ -490,11 +490,6 @@ const struct options_table_entry session_options_table[] = {
 	  .default_num = 0
 	},
 
-	{ .name = "visual-content",
-	  .type = OPTIONS_TABLE_FLAG,
-	  .default_num = 0
-	},
-
 	{ .name = "visual-silence",
 	  .type = OPTIONS_TABLE_FLAG,
 	  .default_num = 0
@@ -532,7 +527,8 @@ const struct options_table_entry window_options_table[] = {
 
 	{ .name = "automatic-rename-format",
 	  .type = OPTIONS_TABLE_STRING,
-	  .default_str = "#{?pane_in_mode,[tmux],#{pane_current_command}}#{?pane_dead,[dead],}"
+	  .default_str = "#{?pane_in_mode,[tmux],#{pane_current_command}}"
+	                 "#{?pane_dead,[dead],}"
 	},
 
 	{ .name = "c0-change-trigger",
@@ -628,11 +624,6 @@ const struct options_table_entry window_options_table[] = {
 	  .default_num = 0
 	},
 
-	{ .name = "monitor-content",
-	  .type = OPTIONS_TABLE_STRING,
-	  .default_str = ""
-	},
-
 	{ .name = "monitor-silence",
 	  .type = OPTIONS_TABLE_NUMBER,
 	  .minimum = 0,
@@ -734,29 +725,6 @@ const struct options_table_entry window_options_table[] = {
 	  .style = "window-status-style"
 	},
 
-	{ .name = "window-status-content-attr",
-	  .type = OPTIONS_TABLE_ATTRIBUTES,
-	  .default_num = GRID_ATTR_REVERSE,
-	  .style = "window-status-content-style"
-	},
-
-	{ .name = "window-status-content-bg",
-	  .type = OPTIONS_TABLE_COLOUR,
-	  .default_num = 8,
-	  .style = "window-status-content-style"
-	},
-
-	{ .name = "window-status-content-fg",
-	  .type = OPTIONS_TABLE_COLOUR,
-	  .default_num = 8,
-	  .style = "window-status-content-style"
-	},
-
-	{ .name = "window-status-content-style",
-	  .type = OPTIONS_TABLE_STYLE,
-	  .default_str = "reverse"
-	},
-
 	{ .name = "window-status-current-attr",
 	  .type = OPTIONS_TABLE_ATTRIBUTES,
 	  .default_num = 0,

osdep-openbsd.c

@@ -99,7 +99,7 @@ osdep_get_name(int fd, char *tty)
 
 retry:
 	if (sysctl(mib, nitems(mib), NULL, &len, NULL, 0) == -1)
-		return (NULL);
+		goto error;
 	len = (len * 5) / 4;
 
 	if ((newbuf = realloc(buf, len)) == NULL)

screen-write.c

@@ -65,7 +65,8 @@ screen_write_reset(struct screen_write_ctx *ctx)
 
 /* Write character. */
 void
-screen_write_putc(struct screen_write_ctx *ctx, struct grid_cell *gc, u_char ch)
+screen_write_putc(struct screen_write_ctx *ctx, struct grid_cell *gc,
+    u_char ch)
 {
 	grid_cell_one(gc, ch);
 	screen_write_cell(ctx, gc);

server-client.c

@@ -118,6 +118,11 @@ server_client_open(struct client *c, char **cause)
 	if (c->flags & CLIENT_CONTROL)
 		return (0);
 
+	if (strcmp(c->ttyname, "/dev/tty") == 0) {
+		*cause = xstrdup("can't use /dev/tty");
+		return (-1);
+	}
+
 	if (!(c->flags & CLIENT_TERMINAL)) {
 		*cause = xstrdup("not a terminal");
 		return (-1);

server-fn.c

@@ -291,7 +291,8 @@ server_kill_window(struct window *w)
 
 int
 server_link_window(struct session *src, struct winlink *srcwl,
-    struct session *dst, int dstidx, int killflag, int selectflag, char **cause)
+    struct session *dst, int dstidx, int killflag, int selectflag,
+    char **cause)
 {
 	struct winlink		*dstwl;
 	struct session_group	*srcsg, *dstsg;

server-window.c

@@ -27,19 +27,16 @@
 int	server_window_check_bell(struct session *, struct winlink *);
 int	server_window_check_activity(struct session *, struct winlink *);
 int	server_window_check_silence(struct session *, struct winlink *);
-int	server_window_check_content(
-	    struct session *, struct winlink *, struct window_pane *);
 void	ring_bell(struct session *);
 
 /* Window functions that need to happen every loop. */
 void
 server_window_loop(void)
 {
-	struct window		*w;
+	struct window	*w;
-	struct winlink		*wl;
+	struct winlink	*wl;
-	struct window_pane	*wp;
+	struct session	*s;
-	struct session		*s;
+	u_int		 i;
-	u_int		 	 i;
 
 	for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
 		w = ARRAY_ITEM(&windows, i);
@@ -55,8 +52,6 @@ server_window_loop(void)
 			    server_window_check_activity(s, wl) ||
 			    server_window_check_silence(s, wl))
 				server_status_session(s);
-			TAILQ_FOREACH(wp, &w->panes, entry)
-				server_window_check_content(s, wl, wp);
 		}
 	}
 }
@@ -187,48 +182,6 @@ server_window_check_silence(struct session *s, struct winlink *wl)
 	return (1);
 }
 
-/* Check for content change in window. */
-int
-server_window_check_content(
-    struct session *s, struct winlink *wl, struct window_pane *wp)
-{
-	struct client	*c;
-	struct window	*w = wl->window;
-	u_int		 i;
-	char		*found, *ptr;
-
-	/* Activity flag must be set for new content. */
-	if (s->curw->window == w)
-		w->flags &= ~WINDOW_ACTIVITY;
-
-	if (!(w->flags & WINDOW_ACTIVITY) || wl->flags & WINLINK_CONTENT)
-		return (0);
-	if (s->curw == wl && !(s->flags & SESSION_UNATTACHED))
-		return (0);
-
-	ptr = options_get_string(&w->options, "monitor-content");
-	if (ptr == NULL || *ptr == '\0')
-		return (0);
-	if ((found = window_pane_search(wp, ptr, NULL)) == NULL)
-		return (0);
-	free(found);
-
-	if (options_get_number(&s->options, "bell-on-alert"))
-		ring_bell(s);
-	wl->flags |= WINLINK_CONTENT;
-
-	if (options_get_number(&s->options, "visual-content")) {
-		for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
-			c = ARRAY_ITEM(&clients, i);
-			if (c == NULL || c->session != s)
-				continue;
-			status_message_set(c, "Content in window %u", wl->idx);
-		}
-	}
-
-	return (1);
-}
-
 /* Ring terminal bell. */
 void
 ring_bell(struct session *s)

server.c

@@ -217,7 +217,7 @@ server_loop(void)
 	}
 }
 
-/* Check if the server should be shutting down (no more clients or sessions). */
+/* Check if the server should exit (no more clients or sessions). */
 int
 server_should_shutdown(void)
 {

session.c

@@ -84,8 +84,9 @@ session_find_by_id(u_int id)
 
 /* Create a new session. */
 struct session *
-session_create(const char *name, const char *cmd, int cwd, struct environ *env,
+session_create(const char *name, const char *cmd, const char *path, int cwd,
-    struct termios *tio, int idx, u_int sx, u_int sy, char **cause)
+    struct environ *env, struct termios *tio, int idx, u_int sx, u_int sy,
+    char **cause)
 {
 	struct session	*s;
 
@@ -131,7 +132,7 @@ session_create(const char *name, const char *cmd, int cwd, struct environ *env,
 	RB_INSERT(sessions, &sessions, s);
 
 	if (cmd != NULL) {
-		if (session_new(s, NULL, cmd, cwd, idx, cause) == NULL) {
+		if (session_new(s, NULL, cmd, path, cwd, idx, cause) == NULL) {
 			session_destroy(s);
 			return (NULL);
 		}
@@ -225,8 +226,8 @@ session_previous_session(struct session *s)
 
 /* Create a new window on a session. */
 struct winlink *
-session_new(struct session *s, const char *name, const char *cmd, int cwd,
+session_new(struct session *s, const char *name, const char *cmd,
-    int idx, char **cause)
+    const char *path, int cwd, int idx, char **cause)
 {
 	struct window	*w;
 	struct winlink	*wl;
@@ -249,8 +250,8 @@ session_new(struct session *s, const char *name, const char *cmd, int cwd,
 		shell = _PATH_BSHELL;
 
 	hlimit = options_get_number(&s->options, "history-limit");
-	w = window_create(name, cmd, shell, cwd, &env, s->tio, s->sx, s->sy,
+	w = window_create(name, cmd, path, shell, cwd, &env, s->tio, s->sx,
-	    hlimit, cause);
+	    s->sy, hlimit, cause);
 	if (w == NULL) {
 		winlink_remove(&s->windows, wl);
 		environ_free(&env);

status.c

@@ -638,8 +638,6 @@ status_print(
 
 	if (wl->flags & WINLINK_BELL)
 		style_apply_update(gc, oo, "window-status-bell-style");
-	else if (wl->flags & WINLINK_CONTENT)
-		style_apply_update(gc, oo, "window-status-content-style");
 	else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
 		style_apply_update(gc, oo, "window-status-activity-style");
 

tmux.1

@@ -168,10 +168,6 @@ server process to recreate it.
 Behave as a login shell.
 This flag currently has no effect and is for compatibility with other shells
 when using tmux as a login shell.
-.It Fl q
-Set the
-.Ic quiet
-server option to prevent the server sending various informational messages.
 .It Fl S Ar socket-path
 Specify a full alternative path to the server socket.
 If
@@ -1159,32 +1155,6 @@ flag, see the
 section.
 This command works only if at least one client is attached.
 .It Xo
-.Ic choose-list
-.Op Fl l Ar items
-.Op Fl t Ar target-window
-.Op Ar template
-.Xc
-Put a window into list choice mode, allowing
-.Ar items
-to be selected.
-.Ar items
-can be a comma-separated list to display more than one item.
-If an item has spaces, that entry must be quoted.
-After an item is chosen,
-.Ql %%
-is replaced by the chosen item in the
-.Ar template
-and the result is executed as a command.
-If
-.Ar template
-is not given, "run-shell '%%'" is used.
-.Ar items
-also accepts format specifiers.
-For the meaning of this see the
-.Sx FORMATS
-section.
-This command works only if at least one client is attached.
-.It Xo
 .Ic choose-session
 .Op Fl F Ar format
 .Op Fl t Ar target-window
@@ -2077,9 +2047,7 @@ flag prevents setting an option that is already set.
 .Pp
 The
 .Fl q
-flag suppresses the informational message (as if the
+flag suppresses errors about unknown options.
-.Ic quiet
-server option was set).
 .Pp
 With
 .Fl a ,
@@ -2142,12 +2110,6 @@ option.
 Set the number of error or information messages to save in the message log for
 each client.
 The default is 100.
-.It Xo Ic quiet
-.Op Ic on | off
-.Xc
-Enable or disable the display of various informational messages (see also the
-.Fl q
-command line flag).
 .It Xo Ic set-clipboard
 .Op Ic on | off
 .Xc
@@ -2577,10 +2539,6 @@ Examples are:
 #[fg=yellow,bold]#(apm -l)%%#[default] [#S]
 .Ed
 .Pp
-Where appropriate, special character sequences may be prefixed with a number to
-specify the maximum length, for example
-.Ql #24T .
-.Pp
 By default, UTF-8 in
 .Ar string
 is not interpreted, to enable UTF-8, use the
@@ -2674,15 +2632,6 @@ through to the terminal (which normally makes a sound).
 Also see the
 .Ic bell-action
 option.
-.It Xo Ic visual-content
-.Op Ic on | off
-.Xc
-Like
-.Ic visual-activity ,
-display a message when content is present in a window
-for which the
-.Ic monitor-content
-window option is enabled.
 .It Xo Ic visual-silence
 .Op Ic on | off
 .Xc
@@ -2864,14 +2813,6 @@ option.
 Monitor for activity in the window.
 Windows with activity are highlighted in the status line.
 .Pp
-.It Ic monitor-content Ar match-string
-Monitor content in the window.
-When
-.Xr fnmatch 3
-pattern
-.Ar match-string
-appears in the window, it is highlighted in the status line.
-.Pp
 .It Xo Ic monitor-silence
 .Op Ic interval
 .Xc
@@ -2944,14 +2885,6 @@ see the
 .Ic message-command-style
 option.
 .Pp
-.It Ic window-status-content-style Ar style
-Set status line style for windows with a content alert.
-For how to specify
-.Ar style ,
-see the
-.Ic message-command-style
-option.
-.Pp
 .It Ic window-status-current-format Ar string
 Like
 .Ar window-status-format ,
@@ -3155,7 +3088,6 @@ The following variables are available, where appropriate:
 .It Li "window_active" Ta "" Ta "1 if window active"
 .It Li "window_activity_flag" Ta "" Ta "1 if window has activity alert"
 .It Li "window_bell_flag" Ta "" Ta "1 if window has bell"
-.It Li "window_content_flag" Ta "" Ta "1 if window has content alert"
 .It Li "window_find_matches" Ta "" Ta "Matched data from the find-window"
 .It Li "window_flags" Ta "#F" Ta "Window flags"
 .It Li "window_height" Ta "" Ta "Height of window"
@@ -3317,18 +3249,15 @@ The flag is one of the following symbols appended to the window name:
 .It Li "-" Ta "Marks the last window (previously selected)."
 .It Li "#" Ta "Window is monitored and activity has been detected."
 .It Li "!" Ta "A bell has occurred in the window."
-.It Li "+" Ta "Window is monitored for content and it has appeared."
 .It Li "~" Ta "The window has been silent for the monitor-silence interval."
 .It Li "Z" Ta "The window's active pane is zoomed."
 .El
 .Pp
 The # symbol relates to the
 .Ic monitor-activity
-and + to the
+window option.
-.Ic monitor-content
-window options.
 The window name is printed in inverted colours if an alert (bell, activity or
-content) is present.
+silence) is present.
 .Pp
 The colour and attributes of the status line may be configured, the entire
 status line using the

tmux.c

@@ -209,7 +209,7 @@ main(int argc, char **argv)
 	char		 in[256];
 	const char	*home;
 	long long	 pid;
-	int	 	 opt, flags, quiet, keys, session;
+	int	 	 opt, flags, keys, session;
 
 #if defined(DEBUG) && defined(__OpenBSD__)
 	malloc_options = (char *) "AFGJPX";
@@ -217,7 +217,7 @@ main(int argc, char **argv)
 
 	setlocale(LC_TIME, "");
 
-	quiet = flags = 0;
+	flags = 0;
 	label = path = NULL;
 	login_shell = (**argv == '-');
 	while ((opt = getopt(argc, argv, "2c:Cdf:lL:qS:uUVv")) != -1) {
@@ -250,7 +250,6 @@ main(int argc, char **argv)
 			label = xstrdup(optarg);
 			break;
 		case 'q':
-			quiet = 1;
 			break;
 		case 'S':
 			free(path);
@@ -297,11 +296,11 @@ main(int argc, char **argv)
 
 	options_init(&global_options, NULL);
 	options_table_populate_tree(server_options_table, &global_options);
-	options_set_number(&global_options, "quiet", quiet);
 
 	options_init(&global_s_options, NULL);
 	options_table_populate_tree(session_options_table, &global_s_options);
-	options_set_string(&global_s_options, "default-shell", "%s", getshell());
+	options_set_string(&global_s_options, "default-shell", "%s",
+	    getshell());
 
 	options_init(&global_w_options, NULL);
 	options_table_populate_tree(window_options_table, &global_w_options);

tmux.h

@@ -815,8 +815,11 @@ struct input_ctx {
 	u_char			param_buf[64];
 	size_t			param_len;
 
-	u_char			input_buf[256];
+#define INPUT_BUF_START 32
+#define INPUT_BUF_LIMIT 1048576
+	u_char*			input_buf;
 	size_t			input_len;
+	size_t			input_space;
 
 	int			param_list[24];	/* -1 not present */
 	u_int			param_list_len;
@@ -987,10 +990,8 @@ struct winlink {
 	int              flags;
 #define WINLINK_BELL 0x1
 #define WINLINK_ACTIVITY 0x2
-#define WINLINK_CONTENT 0x4
+#define WINLINK_SILENCE 0x4
-#define WINLINK_SILENCE 0x8
+#define WINLINK_ALERTFLAGS (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_SILENCE)
-#define WINLINK_ALERTFLAGS \
-    (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_CONTENT|WINLINK_SILENCE)
 
 	RB_ENTRY(winlink) entry;
 	TAILQ_ENTRY(winlink) sentry;
@@ -1756,7 +1757,6 @@ extern const struct cmd_entry cmd_break_pane_entry;
 extern const struct cmd_entry cmd_capture_pane_entry;
 extern const struct cmd_entry cmd_choose_buffer_entry;
 extern const struct cmd_entry cmd_choose_client_entry;
-extern const struct cmd_entry cmd_choose_list_entry;
 extern const struct cmd_entry cmd_choose_session_entry;
 extern const struct cmd_entry cmd_choose_tree_entry;
 extern const struct cmd_entry cmd_choose_window_entry;
@@ -1851,7 +1851,6 @@ size_t		 cmd_list_print(struct cmd_list *, char *, size_t);
 struct cmd_q	*cmdq_new(struct client *);
 int		 cmdq_free(struct cmd_q *);
 void printflike2 cmdq_print(struct cmd_q *, const char *, ...);
-void printflike2 cmdq_info(struct cmd_q *, const char *, ...);
 void printflike2 cmdq_error(struct cmd_q *, const char *, ...);
 int		 cmdq_guard(struct cmd_q *, const char *, int);
 void		 cmdq_run(struct cmd_q *, struct cmd_list *);
@@ -2127,9 +2126,9 @@ void		 winlink_stack_remove(struct winlink_stack *, struct winlink *);
 int		 window_index(struct window *, u_int *);
 struct window	*window_find_by_id(u_int);
 struct window	*window_create1(u_int, u_int);
-struct window	*window_create(const char *, const char *, const char *, int,
+struct window	*window_create(const char *, const char *, const char *,
-		     struct environ *, struct termios *, u_int, u_int, u_int,
+		     const char *, int, struct environ *, struct termios *,
-		     char **);
+		     u_int, u_int, u_int, char **);
 void		 window_destroy(struct window *);
 struct window_pane *window_get_active_at(struct window *, u_int, u_int);
 void		 window_set_active_at(struct window *, u_int, u_int);
@@ -2139,6 +2138,7 @@ struct window_pane *window_add_pane(struct window *, u_int);
 void		 window_resize(struct window *, u_int, u_int);
 int		 window_zoom(struct window_pane *);
 int		 window_unzoom(struct window *);
+void		 window_lost_pane(struct window *, struct window_pane *);
 void		 window_remove_pane(struct window *, struct window_pane *);
 struct window_pane *window_pane_at_index(struct window *, u_int);
 struct window_pane *window_pane_next_by_number(struct window *,
@@ -2153,8 +2153,8 @@ struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int);
 void		 window_pane_destroy(struct window_pane *);
 void		 window_pane_timer_start(struct window_pane *);
 int		 window_pane_spawn(struct window_pane *, const char *,
-		     const char *, int, struct environ *, struct termios *,
+		     const char *, const char *, int, struct environ *,
-		     char **);
+		     struct termios *, char **);
 void		 window_pane_resize(struct window_pane *, u_int, u_int);
 void		 window_pane_alternate_on(struct window_pane *,
 		     struct grid_cell *, int);
@@ -2290,7 +2290,7 @@ RB_PROTOTYPE(sessions, session, entry, session_cmp);
 int		 session_alive(struct session *);
 struct session	*session_find(const char *);
 struct session	*session_find_by_id(u_int);
-struct session	*session_create(const char *, const char *, int,
+struct session	*session_create(const char *, const char *, const char *, int,
 		     struct environ *, struct termios *, int, u_int, u_int,
 		     char **);
 void		 session_destroy(struct session *);
@@ -2298,12 +2298,12 @@ int		 session_check_name(const char *);
 void		 session_update_activity(struct session *);
 struct session	*session_next_session(struct session *);
 struct session	*session_previous_session(struct session *);
-struct winlink	*session_new(struct session *, const char *, const char *, int,
+struct winlink	*session_new(struct session *, const char *, const char *,
-		     int, char **);
+		     const char *, int, int, char **);
 struct winlink	*session_attach(
 		     struct session *, struct window *, int, char **);
 int		 session_detach(struct session *, struct winlink *);
-struct winlink*	 session_has(struct session *, struct window *);
+struct winlink	*session_has(struct session *, struct window *);
 int		 session_next(struct session *, int);
 int		 session_previous(struct session *, int);
 int		 session_select(struct session *, int);
@@ -2319,12 +2319,17 @@ void		 session_group_synchronize1(struct session *, struct session *);
 void		 session_renumber_windows(struct session *);
 
 /* utf8.c */
-void	utf8_build(void);
+void		 utf8_build(void);
-int	utf8_open(struct utf8_data *, u_char);
+void		 utf8_set(struct utf8_data *, u_char);
-int	utf8_append(struct utf8_data *, u_char);
+int		 utf8_open(struct utf8_data *, u_char);
-u_int	utf8_combine(const struct utf8_data *);
+int		 utf8_append(struct utf8_data *, u_char);
-u_int	utf8_split2(u_int, u_char *);
+u_int		 utf8_combine(const struct utf8_data *);
-int	utf8_strvis(char *, const char *, size_t, int);
+u_int		 utf8_split2(u_int, u_char *);
+int		 utf8_strvis(char *, const char *, size_t, int);
+struct utf8_data *utf8_fromcstr(const char *);
+char		*utf8_tocstr(struct utf8_data *);
+u_int		 utf8_cstrwidth(const char *);
+char		*utf8_trimcstr(const char *, u_int);
 
 /* osdep-*.c */
 char		*osdep_get_name(int, char *);
@@ -2355,7 +2360,9 @@ const char	*style_tostring(struct grid_cell *);
 void		 style_update_new(struct options *, const char *, const char *);
 void		 style_update_old(struct options *, const char *,
 		     struct grid_cell *);
-void	style_apply(struct grid_cell *, struct options *, const char *);
+void		 style_apply(struct grid_cell *, struct options *,
-void	style_apply_update(struct grid_cell *, struct options *, const char *);
+		     const char *);
+void		 style_apply_update(struct grid_cell *, struct options *,
+		     const char *);
 
 #endif /* TMUX_H */

tty-term.c

@@ -512,7 +512,8 @@ tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
 }
 
 const char *
-tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a, const void *b)
+tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
+    const void *b)
 {
 	return (tparm((char *) tty_term_string(term, code), a, b, 0, 0, 0, 0, 0, 0, 0));
 }

tty.c

@@ -388,7 +388,8 @@ tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
 }
 
 void
-tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a, const void *b)
+tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
+    const void *b)
 {
 	if (a != NULL && b != NULL)
 		tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
@@ -547,8 +548,8 @@ tty_update_mode(struct tty *tty, int mode, struct screen *s)
 }
 
 void
-tty_emulate_repeat(
+tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
-    struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
+    enum tty_code_code code1, u_int n)
 {
 	if (tty_term_has(tty->term, code))
 		tty_putcode1(tty, code, n);

utf8.c

@@ -18,6 +18,7 @@
 
 #include <sys/types.h>
 
+#include <stdlib.h>
 #include <string.h>
 
 #include "tmux.h"
@@ -200,6 +201,16 @@ int	utf8_overlap(struct utf8_width_entry *, struct utf8_width_entry *);
 u_int	utf8_combine(const struct utf8_data *);
 u_int	utf8_width(const struct utf8_data *);
 
+/* Set a single character. */
+void
+utf8_set(struct utf8_data *utf8data, u_char ch)
+{
+	*utf8data->data = ch;
+	utf8data->size = 1;
+
+	utf8data->width = 1;
+}
+
 /*
  * Open UTF-8 sequence.
  *
@@ -248,8 +259,7 @@ utf8_append(struct utf8_data *utf8data, u_char ch)
 
 /* Check if two width tree entries overlap. */
 int
-utf8_overlap(
+utf8_overlap(struct utf8_width_entry *item1, struct utf8_width_entry *item2)
-    struct utf8_width_entry *item1, struct utf8_width_entry *item2)
 {
 	if (item1->first >= item2->first && item1->first <= item2->last)
 		return (1);
@@ -394,3 +404,111 @@ utf8_strvis(char *dst, const char *src, size_t len, int flag)
 	*dst = '\0';
 	return (dst - start);
 }
+
+/*
+ * Convert a string into a buffer of UTF-8 characters. Terminated by size == 0.
+ * Caller frees.
+ */
+struct utf8_data *
+utf8_fromcstr(const char *src)
+{
+	struct utf8_data	*dst;
+	size_t			 n;
+	int			 more;
+
+	dst = NULL;
+
+	n = 0;
+	while (*src != '\0') {
+		dst = xrealloc(dst, n + 1, sizeof *dst);
+		if (utf8_open(&dst[n], *src)) {
+			more = 1;
+			while (*++src != '\0' && more)
+				more = utf8_append(&dst[n], *src);
+			if (!more) {
+				n++;
+				continue;
+			}
+			src -= dst[n].have;
+		}
+		utf8_set(&dst[n], *src);
+		src++;
+
+		n++;
+	}
+
+	dst = xrealloc(dst, n + 1, sizeof *dst);
+	dst[n].size = 0;
+	return (dst);
+}
+
+/* Convert from a buffer of UTF-8 characters into a string. Caller frees. */
+char *
+utf8_tocstr(struct utf8_data *src)
+{
+	char	*dst;
+	size_t	 n;
+
+	dst = NULL;
+
+	n = 0;
+	for(; src->size != 0; src++) {
+		dst = xrealloc(dst, n + src->size, 1);
+		memcpy(dst + n, src->data, src->size);
+		n += src->size;
+	}
+
+	dst = xrealloc(dst, n + 1, 1);
+	dst[n] = '\0';
+	return (dst);
+}
+
+/* Get width of UTF-8 string. */
+u_int
+utf8_cstrwidth(const char *s)
+{
+	struct utf8_data	tmp;
+	u_int			width;
+	int			more;
+
+	width = 0;
+	while (*s != '\0') {
+		if (utf8_open(&tmp, *s)) {
+			more = 1;
+			while (*++s != '\0' && more)
+				more = utf8_append(&tmp, *s);
+			if (!more) {
+				width += tmp.width;
+				continue;
+			}
+			s -= tmp.have;
+		}
+		width++;
+		s++;
+	}
+	return (width);
+}
+
+/* Trim UTF-8 string to width. Caller frees. */
+char *
+utf8_trimcstr(const char *s, u_int width)
+{
+	struct utf8_data	*tmp, *next;
+	char			*out;
+	u_int			 at;
+
+	tmp = utf8_fromcstr(s);
+
+	at = 0;
+	for (next = tmp; next->size != 0; next++) {
+		if (at + next->width > width) {
+			next->size = 0;
+			break;
+		}
+		at += next->width;
+	}
+
+	out = utf8_tocstr(tmp);
+	free(tmp);
+	return (out);
+}

window-choose.c

@@ -715,21 +715,23 @@ window_choose_key(struct window_pane *wp, unused struct session *sess, int key)
 }
 
 void
-window_choose_mouse(
+window_choose_mouse(struct window_pane *wp, struct session *sess,
-    struct window_pane *wp, unused struct session *sess, struct mouse_event *m)
+    struct mouse_event *m)
 {
 	struct window_choose_mode_data	*data = wp->modedata;
 	struct screen			*s = &data->screen;
 	struct window_choose_mode_item	*item;
-	u_int				 i, idx;
+	u_int				 idx;
 
 	if (m->event == MOUSE_EVENT_WHEEL) {
-		for (i = 0; i < m->scroll; i++) {
+		/*
-			if (m->wheel == MOUSE_WHEEL_UP)
+		 * Don't use m->scroll and just move line-by-line or it's
-				window_choose_key(wp, sess, KEYC_UP);
+		 * annoying.
-			else
+		 */
-				window_choose_key(wp, sess, KEYC_DOWN);
+		if (m->wheel == MOUSE_WHEEL_UP)
-		}
+			window_choose_key(wp, sess, KEYC_UP);
+		else
+			window_choose_key(wp, sess, KEYC_DOWN);
 		return;
 	}
 

window-copy.c

@@ -1194,8 +1194,8 @@ window_copy_write_line(
 		screen_write_puts(ctx, &gc, "%s", hdr);
 	} else if (py == last && data->inputtype != WINDOW_COPY_OFF) {
 		limit = sizeof hdr;
-		if (limit > screen_size_x(s))
+		if (limit > screen_size_x(s) + 1)
-			limit = screen_size_x(s);
+			limit = screen_size_x(s) + 1;
 		if (data->inputtype == WINDOW_COPY_NUMERICPREFIX) {
 			xoff = size = xsnprintf(hdr, limit,
 			    "Repeat: %u", data->numprefix);
@@ -1208,10 +1208,12 @@ window_copy_write_line(
 	} else
 		size = 0;
 
-	screen_write_cursormove(ctx, xoff, py);
+	if (size < screen_size_x(s)) {
-	screen_write_copy(ctx, data->backing, xoff,
+		screen_write_cursormove(ctx, xoff, py);
-	    (screen_hsize(data->backing) - data->oy) + py,
+		screen_write_copy(ctx, data->backing, xoff,
-	    screen_size_x(s) - size, 1);
+		    (screen_hsize(data->backing) - data->oy) + py,
+		    screen_size_x(s) - size, 1);
+	}
 
 	if (py == data->cy && data->cx == screen_size_x(s)) {
 		memcpy(&gc, &grid_default_cell, sizeof gc);
@@ -2031,7 +2033,8 @@ window_copy_cursor_next_word(struct window_pane *wp, const char *separators)
 }
 
 void
-window_copy_cursor_next_word_end(struct window_pane *wp, const char *separators)
+window_copy_cursor_next_word_end(struct window_pane *wp,
+    const char *separators)
 {
 	struct window_copy_mode_data	*data = wp->modedata;
 	struct options			*oo = &wp->window->options;
@@ -2082,7 +2085,8 @@ window_copy_cursor_next_word_end(struct window_pane *wp, const char *separators)
 
 /* Move to the previous place where a word begins. */
 void
-window_copy_cursor_previous_word(struct window_pane *wp, const char *separators)
+window_copy_cursor_previous_word(struct window_pane *wp,
+    const char *separators)
 {
 	struct window_copy_mode_data	*data = wp->modedata;
 	u_int				 px, py;

window.c

@@ -17,13 +17,11 @@
  */
 
 #include <sys/types.h>
-#include <sys/ioctl.h>
 
 #include <errno.h>
 #include <fcntl.h>
 #include <fnmatch.h>
-#include <pwd.h>
+#include <stdint.h>
-#include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include <termios.h>
@@ -309,8 +307,8 @@ window_create1(u_int sx, u_int sy)
 }
 
 struct window *
-window_create(const char *name, const char *cmd, const char *shell,
+window_create(const char *name, const char *cmd, const char *path,
-    int cwd, struct environ *env, struct termios *tio,
+    const char *shell, int cwd, struct environ *env, struct termios *tio,
     u_int sx, u_int sy, u_int hlimit, char **cause)
 {
 	struct window		*w;
@@ -320,7 +318,8 @@ window_create(const char *name, const char *cmd, const char *shell,
 	wp = window_add_pane(w, hlimit);
 	layout_init(w, wp);
 
-	if (window_pane_spawn(wp, cmd, shell, cwd, env, tio, cause) != 0) {
+	if (window_pane_spawn(wp, cmd, path, shell, cwd, env, tio,
+	    cause) != 0) {
 		window_destroy(w);
 		return (NULL);
 	}
@@ -588,7 +587,7 @@ window_add_pane(struct window *w, u_int hlimit)
 }
 
 void
-window_remove_pane(struct window *w, struct window_pane *wp)
+window_lost_pane(struct window *w, struct window_pane *wp)
 {
 	if (wp == w->active) {
 		w->active = w->last;
@@ -600,6 +599,12 @@ window_remove_pane(struct window *w, struct window_pane *wp)
 		}
 	} else if (wp == w->last)
 		w->last = NULL;
+}
+
+void
+window_remove_pane(struct window *w, struct window_pane *wp)
+{
+	window_lost_pane(w, wp);
 
 	TAILQ_REMOVE(&w->panes, wp, entry);
 	window_pane_destroy(wp);
@@ -696,8 +701,6 @@ window_printable_flags(struct session *s, struct winlink *wl)
 		flags[pos++] = '#';
 	if (wl->flags & WINLINK_BELL)
 		flags[pos++] = '!';
-	if (wl->flags & WINLINK_CONTENT)
-		flags[pos++] = '+';
 	if (wl->flags & WINLINK_SILENCE)
 		flags[pos++] = '~';
 	if (wl == s->curw)
@@ -810,8 +813,9 @@ window_pane_destroy(struct window_pane *wp)
 }
 
 int
-window_pane_spawn(struct window_pane *wp, const char *cmd, const char *shell,
+window_pane_spawn(struct window_pane *wp, const char *cmd, const char *path,
-    int cwd, struct environ *env, struct termios *tio, char **cause)
+    const char *shell, int cwd, struct environ *env, struct termios *tio,
+    char **cause)
 {
 	struct winsize	 ws;
 	char		*argv0, paneid[16];
@@ -867,6 +871,8 @@ window_pane_spawn(struct window_pane *wp, const char *cmd, const char *shell,
 
 		closefrom(STDERR_FILENO + 1);
 
+		if (path != NULL)
+			environ_set(env, "PATH", path);
 		xsnprintf(paneid, sizeof paneid, "%%%u", wp->id);
 		environ_set(env, "TMUX_PANE", paneid);
 		environ_push(env);
@@ -1170,7 +1176,8 @@ window_pane_visible(struct window_pane *wp)
 }
 
 char *
-window_pane_search(struct window_pane *wp, const char *searchstr, u_int *lineno)
+window_pane_search(struct window_pane *wp, const char *searchstr,
+    u_int *lineno)
 {
 	struct screen	*s = &wp->base;
 	char		*newsearchstr, *line, *msg;