From 0dc5be0d12783760b1baa01644cf522c98db8898 Mon Sep 17 00:00:00 2001
From: nicm <nicm@openbsd.org>
Date: Wed, 4 Aug 2021 08:07:19 +0000
Subject: [PATCH] Add a client-active hook, from ncfavier in GitHub issue 2803.

---
 usr.bin/tmux/options-table.c | 3 ++-
 usr.bin/tmux/server-client.c | 4 +++-
 usr.bin/tmux/tmux.1          | 6 ++++--
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/usr.bin/tmux/options-table.c b/usr.bin/tmux/options-table.c
index 172fc6bd282..c354804e775 100644
--- a/usr.bin/tmux/options-table.c
+++ b/usr.bin/tmux/options-table.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: options-table.c,v 1.146 2021/07/28 07:06:54 nicm Exp $ */
+/* $OpenBSD: options-table.c,v 1.147 2021/08/04 08:07:19 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1145,6 +1145,7 @@ const struct options_table_entry options_table[] = {
 	OPTIONS_TABLE_HOOK("alert-activity", ""),
 	OPTIONS_TABLE_HOOK("alert-bell", ""),
 	OPTIONS_TABLE_HOOK("alert-silence", ""),
+	OPTIONS_TABLE_HOOK("client-active", ""),
 	OPTIONS_TABLE_HOOK("client-attached", ""),
 	OPTIONS_TABLE_HOOK("client-detached", ""),
 	OPTIONS_TABLE_HOOK("client-resized", ""),
diff --git a/usr.bin/tmux/server-client.c b/usr.bin/tmux/server-client.c
index a5604ab5171..949e25347f9 100644
--- a/usr.bin/tmux/server-client.c
+++ b/usr.bin/tmux/server-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: server-client.c,v 1.376 2021/07/21 08:06:36 nicm Exp $ */
+/* $OpenBSD: server-client.c,v 1.377 2021/08/04 08:07:19 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1127,6 +1127,8 @@ server_client_update_latest(struct client *c)
 
 	if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
 		recalculate_size(w, 0);
+
+	notify_client("client-active", c);
 }
 
 /*
diff --git a/usr.bin/tmux/tmux.1 b/usr.bin/tmux/tmux.1
index 61968db24c9..27d90bee37c 100644
--- a/usr.bin/tmux/tmux.1
+++ b/usr.bin/tmux/tmux.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: tmux.1,v 1.844 2021/06/18 07:46:54 nicm Exp $
+.\" $OpenBSD: tmux.1,v 1.845 2021/08/04 08:07:19 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: June 18 2021 $
+.Dd $Mdocdate: August 4 2021 $
 .Dt TMUX 1
 .Os
 .Sh NAME
@@ -4396,6 +4396,8 @@ See
 Run when a window has been silent.
 See
 .Ic monitor-silence .
+.It client-active
+Run when a client becomes the latest active client of its session.
 .It client-attached
 Run when a client is attached.
 .It client-detached
-- 
2.20.1