Add -P and -F to new-session.

cmd-new-session.c

@@ -35,9 +35,9 @@ enum cmd_retval	 cmd_new_session_exec(struct cmd *, struct cmd_q *);
 
 const struct cmd_entry cmd_new_session_entry = {
 	"new-session", "new",
-	"AdDn:s:t:x:y:", 0, 1,
-	"[-AdD] [-n window-name] [-s session-name] " CMD_TARGET_SESSION_USAGE
-	" [-x width] [-y height] [command]",
+	"AdDF:n:Ps:t:x:y:", 0, 1,
+	"[-AdDP] [-F format] [-n window-name] [-s session-name] "
+	CMD_TARGET_SESSION_USAGE " [-x width] [-y height] [command]",
 	CMD_STARTSERVER|CMD_CANTNEST|CMD_SENDENVIRON,
 	NULL,
 	cmd_new_session_check,
@@ -55,19 +55,20 @@ cmd_new_session_check(struct args *args)
 enum cmd_retval
 cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq)
 {
-	struct args	*args = self->args;
-	struct client	*c = cmdq->client;
-	struct session	*s, *groupwith;
-	struct window	*w;
-	struct environ	 env;
-	struct termios	 tio, *tiop;
-	struct passwd	*pw;
-	const char	*newname, *target, *update, *cwd, *errstr;
-	char		*cmd, *cause;
-	int		 detached, idx;
-	u_int		 sx, sy;
-	int		 already_attached;
-
+	struct args		*args = self->args;
+	struct client		*c = cmdq->client;
+	struct session		*s, *groupwith;
+	struct window		*w;
+	struct environ		 env;
+	struct termios		 tio, *tiop;
+	struct passwd		*pw;
+	const char		*newname, *target, *update, *cwd, *errstr;
+	const char		*template;
+	char			*cmd, *cause, *cp;
+	int			 detached, idx;
+	u_int			 sx, sy;
+	int			 already_attached;
+	struct format_tree	*ft;
 
 	newname = args_get(args, 's');
 	if (newname != NULL) {
@@ -233,6 +234,23 @@ cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq)
 	if (cfg_finished)
 		cfg_show_causes(s);
 
+	/* Print if requested. */
+	if (args_has(args, 'P')) {
+		if ((template = args_get(args, 'F')) == NULL)
+			template = NEW_SESSION_TEMPLATE;
+
+		ft = format_create();
+		if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
+			format_client(ft, c);
+		format_session(ft, s);
+
+		cp = format_expand(ft, template);
+		cmdq_print(cmdq, "%s", cp);
+		free(cp);
+
+		format_free(ft);
+	}
+
 	if (!detached)
 		cmdq->client_exit = 0;
 	return (CMD_RETURN_NORMAL);

cmd-new-window.c

@@ -46,12 +46,10 @@ cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	struct session		*s;
 	struct winlink		*wl;
 	struct client		*c;
-	const char		*cmd, *cwd;
-	const char		*template;
-	char			*cause;
+	const char		*cmd, *cwd, *template;
+	char			*cause, *cp;
 	int			 idx, last, detached;
 	struct format_tree	*ft;
-	char			*cp;
 
 	if (args_has(args, 'a')) {
 		wl = cmd_find_window(cmdq, args_get(args, 't'), &s);

tmux.1

@@ -675,7 +675,8 @@ command.
 Lock all clients attached to
 .Ar target-session .
 .It Xo Ic new-session
-.Op Fl AdD
+.Op Fl AdDP
+.Op Fl F Ar format
 .Op Fl n Ar window-name
 .Op Fl s Ar session-name
 .Op Fl t Ar target-session
@@ -740,6 +741,14 @@ or
 are invalid if
 .Fl t
 is used.
+.Pp
+The
+.Fl P
+option prints information about the new session after it has been created.
+By default, it uses the format
+.Ql #{session_name}:
+but a different format may be specified with
+.Fl F .
 .It Xo Ic refresh-client
 .Op Fl S
 .Op Fl t Ar target-client
@@ -1470,9 +1479,9 @@ option.
 .It Xo Ic new-window
 .Op Fl adkP
 .Op Fl c Ar start-directory
+.Op Fl F Ar format
 .Op Fl n Ar window-name
 .Op Fl t Ar target-window
-.Op Fl F Ar format
 .Op Ar shell-command
 .Xc
 .D1 (alias: Ic neww )

tmux.h

@@ -155,6 +155,7 @@ extern char   **environ;
 
 /* Default templates for break-pane, new-window and split-window. */
 #define BREAK_PANE_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
+#define NEW_SESSION_TEMPLATE "#{session_name}:"
 #define NEW_WINDOW_TEMPLATE BREAK_PANE_TEMPLATE
 #define SPLIT_WINDOW_TEMPLATE BREAK_PANE_TEMPLATE