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Add a variant of remain-on-exit that only keeps the pane if the program 

failed, GitHub issue 2513.
pull/2525/head
nicm 2021-01-04 08:43:16 +00:00
parent 606bd5f8c6
commit bd0fb22f0a
3 changed files with 22 additions and 7 deletions
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8
options-table.c
View File

@ -69,6 +69,9 @@ static const char *options_table_set_clipboard_list[] = {
static const char *options_table_window_size_list[] = {
"largest", "smallest", "manual", "latest", NULL
};
static const char *options_table_remain_on_exit_list[] = {
"off", "on", "failed", NULL
};
/* Status line format. */
#define OPTIONS_TABLE_STATUS_FORMAT1 \
@ -949,11 +952,12 @@ const struct options_table_entry options_table[] = {
},
{ .name = "remain-on-exit",
.type = OPTIONS_TABLE_FLAG,
.type = OPTIONS_TABLE_CHOICE,
.scope = OPTIONS_TABLE_WINDOW|OPTIONS_TABLE_PANE,
.choices = options_table_remain_on_exit_list,
.default_num = 0,
.text = "Whether panes should remain ('on') or be automatically "
"killed ('off') when the program inside exits."
"killed ('off' or 'failed') when the program inside exits."
},
{ .name = "synchronize-panes",

16
server-fn.c
View File

@ -314,6 +314,7 @@ server_destroy_pane(struct window_pane *wp, int notify)
struct grid_cell gc;
time_t t;
char tim[26];
int remain_on_exit;
if (wp->fd != -1) {
bufferevent_free(wp->event);
@ -322,10 +323,17 @@ server_destroy_pane(struct window_pane *wp, int notify)
wp->fd = -1;
}
if (options_get_number(wp->options, "remain-on-exit")) {
if (~wp->flags & PANE_STATUSREADY)
return;
remain_on_exit = options_get_number(wp->options, "remain-on-exit");
if (remain_on_exit != 0 && (~wp->flags & PANE_STATUSREADY))
return;
switch (remain_on_exit) {
case 0:
break;
case 2:
if (WIFEXITED(wp->status) && WEXITSTATUS(wp->status) == 0)
break;
/* FALLTHROUGH */
case 1:
if (wp->flags & PANE_STATUSDRAWN)
return;
wp->flags |= PANE_STATUSDRAWN;

5
tmux.1
View File

@ -4181,10 +4181,13 @@ interactive application starts and restores it on exit, so that any output
visible before the application starts reappears unchanged after it exits.
.Pp
.It Xo Ic remain-on-exit
.Op Ic on | off
.Op Ic on | off | failed
.Xc
A pane with this flag set is not destroyed when the program running in it
exits.
If set to
.Ic failed ,
then only when the program exit status is not zero.
The pane may be reactivated with the
.Ic respawn-pane
command.