From 1bbdd2aba27057363134fa8c20c10e56ce095dea Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Thu, 10 Jun 2021 07:52:56 +0000
Subject: [PATCH] Add -F for command-prompt and use it to fix "Rename" on the
 window menu, GitHub issue 2699.

---
 cmd-command-prompt.c | 10 ++++++----
 key-bindings.c       |  2 +-
 tmux.1               |  7 ++++++-
 3 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/cmd-command-prompt.c b/cmd-command-prompt.c
index c2a2dec7..a955ac32 100644
--- a/cmd-command-prompt.c
+++ b/cmd-command-prompt.c
@@ -40,8 +40,8 @@ const struct cmd_entry cmd_command_prompt_entry = {
 	.name = "command-prompt",
 	.alias = NULL,
 
-	.args = { "1kiI:Np:t:T:", 0, 1 },
-	.usage = "[-1kiN] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE
+	.args = { "1FkiI:Np:t:T:", 0, 1 },
+	.usage = "[-1FkiN] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE
 		 " [-T type] [template]",
 
 	.flags = CMD_CLIENT_TFLAG,
@@ -59,7 +59,7 @@ struct cmd_command_prompt_cdata {
 	char		*next_prompt;
 
 	char		*template;
-	int	 	idx;
+	int	 	 idx;
 };
 
 static enum cmd_retval
@@ -87,7 +87,9 @@ cmd_command_prompt_exec(struct cmd *self, struct cmdq_item *item)
 	cdata->template = NULL;
 	cdata->idx = 1;
 
-	if (args->argc != 0)
+	if (args->argc != 0 && args_has(args, 'F'))
+	    cdata->template = format_single_from_target(item, args->argv[0]);
+	else if (args->argc != 0)
 		cdata->template = xstrdup(args->argv[0]);
 	else
 		cdata->template = xstrdup("%1");
diff --git a/key-bindings.c b/key-bindings.c
index b380f2cd..de5c20ee 100644
--- a/key-bindings.c
+++ b/key-bindings.c
@@ -41,7 +41,7 @@
 	" 'Kill' 'X' {kill-window}" \
 	" 'Respawn' 'R' {respawn-window -k}" \
 	" '#{?pane_marked,Unmark,Mark}' 'm' {select-pane -m}" \
-	" 'Rename' 'n' {command-prompt -I \"#W\" \"rename-window -- '%%'\"}" \
+	" 'Rename' 'n' {command-prompt -FI \"#W\" \"rename-window -t#{window_id} -- '%%'\"}" \
 	" ''" \
 	" 'New After' 'w' {new-window -a}" \
 	" 'New At End' 'W' {new-window}"
diff --git a/tmux.1 b/tmux.1
index 50b3b6b7..d44dd591 100644
--- a/tmux.1
+++ b/tmux.1
@@ -5392,7 +5392,7 @@ See
 for possible values for
 .Ar prompt-type .
 .It Xo Ic command-prompt
-.Op Fl 1ikN
+.Op Fl 1FikN
 .Op Fl I Ar inputs
 .Op Fl p Ar prompts
 .Op Fl t Ar target-client
@@ -5407,6 +5407,11 @@ to execute commands interactively.
 If
 .Ar template
 is specified, it is used as the command.
+With
+.Fl F ,
+.Ar template
+is expanded as a format.
+.Pp
 If present,
 .Fl I
 is a comma-separated list of the initial text for each prompt.