Send all three of stdin, stdout, stderr from the client to the server, so that

commands can directly make use of them. This means that load-buffer and
save-buffer can have "-" as the file to read from stdin or write to stdout.

This is a protocol version bump so the tmux server will need to be restarted
after upgrade (or an older client used).

1 files changed, 9 insertions, 2 deletions

diff --git a/client.c b/client.c
index 35cf2801..e86a64ad 100644
--- a/client.c
+++ b/client.c
@@ -96,8 +96,7 @@ server_started:
 
 	if (cmdflags & CMD_SENDENVIRON)
 		client_send_environ();
-	if (isatty(STDIN_FILENO))
-		client_send_identify(flags);
+	client_send_identify(flags);
 
 	return (&client_ibuf);
 
@@ -131,6 +130,14 @@ client_send_identify(int flags)
 		fatal("dup failed");
 	imsg_compose(&client_ibuf,
 	    MSG_IDENTIFY, PROTOCOL_VERSION, -1, fd, &data, sizeof data);
+
+	if ((fd = dup(STDOUT_FILENO)) == -1)
+		fatal("dup failed");
+	imsg_compose(&client_ibuf, MSG_STDOUT, PROTOCOL_VERSION, -1, fd, NULL, 0);
+
+	if ((fd = dup(STDERR_FILENO)) == -1)
+		fatal("dup failed");
+	imsg_compose(&client_ibuf, MSG_STDERR, PROTOCOL_VERSION, -1, fd, NULL, 0);
 }
 
 void