From d1d2627781b4f72d3df46e82cad446aaacc25670 Mon Sep 17 00:00:00 2001
From: nicm <nicm@openbsd.org>
Date: Tue, 5 Oct 2021 12:49:37 +0000
Subject: [PATCH] Make send-keys without any arguments send the key it is bound
 to (if any). GitHub issue 2904.

---
 usr.bin/tmux/cmd-send-keys.c | 8 +++++++-
 usr.bin/tmux/job.c           | 3 +--
 usr.bin/tmux/tmux.1          | 5 +++--
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/usr.bin/tmux/cmd-send-keys.c b/usr.bin/tmux/cmd-send-keys.c
index 5a53b1d1909..f673394a468 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 1.68 2021/08/21 10:22:39 nicm Exp $ */
+/* $OpenBSD: cmd-send-keys.c,v 1.69 2021/10/05 12:49:37 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -202,6 +202,12 @@ cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item)
 		wp->flags |= (PANE_STYLECHANGED|PANE_REDRAW);
 	}
 
+	if (count == 0) {
+		for (; np != 0; np--)
+			cmd_send_keys_inject_key(item, NULL, event->key);
+		return (CMD_RETURN_NORMAL);
+	}
+
 	for (; np != 0; np--) {
 		for (i = 0; i < count; i++) {
 			after = cmd_send_keys_inject_string(item, after, args,
diff --git a/usr.bin/tmux/job.c b/usr.bin/tmux/job.c
index 314776f873b..71cda8ea6ed 100644
--- a/usr.bin/tmux/job.c
+++ b/usr.bin/tmux/job.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: job.c,v 1.63 2021/10/05 12:46:02 nicm Exp $ */
+/* $OpenBSD: job.c,v 1.64 2021/10/05 12:49:37 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -339,7 +339,6 @@ job_check_died(pid_t pid, int status)
 	log_debug("job died %p: %s, pid %ld", job, job->cmd, (long) job->pid);
 
 	job->status = status;
-	log_debug("job %p status %d", job, job->status);
 
 	if (job->state == JOB_CLOSED) {
 		if (job->completecb != NULL)
diff --git a/usr.bin/tmux/tmux.1 b/usr.bin/tmux/tmux.1
index ebdcb07af5c..b41bf19f32e 100644
--- a/usr.bin/tmux/tmux.1
+++ b/usr.bin/tmux/tmux.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: tmux.1,v 1.855 2021/08/27 17:15:57 nicm Exp $
+.\" $OpenBSD: tmux.1,v 1.856 2021/10/05 12:49:37 nicm Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 .\"
@@ -14,7 +14,7 @@
 .\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 .\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: August 27 2021 $
+.Dd $Mdocdate: October 5 2021 $
 .Dt TMUX 1
 .Os
 .Sh NAME
@@ -3123,6 +3123,7 @@ or
 to send; if the string is not recognised as a key, it is sent as a series of
 characters.
 All arguments are sent sequentially from first to last.
+If no keys are given and the command is bound to a key, then that key is used.
 .Pp
 The
 .Fl l
-- 
2.20.1