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Add a command-error hook when a command fails, from Hugh Davenport in

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GitHub issue 3973.
This commit is contained in:
nicm 2024-05-14 07:52:19 +00:00
parent 4c928dce74
commit c9616700ca
3 changed files with 22 additions and 2 deletions
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13
cmd-queue.c
View File

@ -665,9 +665,18 @@ cmdq_fire_command(struct cmdq_item *item)
out:
item->client = saved;
if (retval == CMD_RETURN_ERROR)
if (retval == CMD_RETURN_ERROR) {
fsp = NULL;
if (cmd_find_valid_state(&item->target))
fsp = &item->target;
else if (cmd_find_valid_state(&item->state->current))
fsp = &item->state->current;
else if (cmd_find_from_client(&fs, item->client, 0) == 0)
fsp = &fs;
cmdq_insert_hook(fsp != NULL ? fsp->s : NULL, item, fsp,
"command-error");
cmdq_guard(item, "error", flags);
else
} else
cmdq_guard(item, "end", flags);
return (retval);
}

1
options-table.c
View File

@ -1334,6 +1334,7 @@ const struct options_table_entry options_table[] = {
OPTIONS_TABLE_HOOK("client-focus-out", ""),
OPTIONS_TABLE_HOOK("client-resized", ""),
OPTIONS_TABLE_HOOK("client-session-changed", ""),
OPTIONS_TABLE_HOOK("command-error", ""),
OPTIONS_TABLE_PANE_HOOK("pane-died", ""),
OPTIONS_TABLE_PANE_HOOK("pane-exited", ""),
OPTIONS_TABLE_PANE_HOOK("pane-focus-in", ""),

10
tmux.1
View File

@ -4889,6 +4889,14 @@ layout after every
set-hook -g after-split-window "selectl even-vertical"
.Ed
.Pp
If a command fails, the
.Ql command-error
hook will be fired.
For example, this could be used to write to a log file:
.Bd -literal -offset indent
set-hook -g command-error "run-shell \\"echo 'a tmux command failed' >>/tmp/log\\""
.Ed
.Pp
All the notifications listed in the
.Sx CONTROL MODE
section are hooks (without any arguments), except
@ -4921,6 +4929,8 @@ Run when focus exits a client
Run when a client is resized.
.It client-session-changed
Run when a client's attached session is changed.
.It command-error
Run when a command fails.
.It pane-died
Run when the program running in a pane exits, but
.Ic remain-on-exit