Add a pipe-pane command to allow a pane to be piped to a shell command, for

example:

	pipe-pane 'cat >~/out'

No arguments stops outputing and closes the pipe; the -o flag toggles a pipe
and on and off (useful for key bindings).

Suggested by espie@.

1 files changed, 18 insertions, 1 deletions

diff --git a/usr.bin/tmux/server.c b/usr.bin/tmux/server.c
index b57cf4afd7d..094ce14388f 100644
--- a/usr.bin/tmux/server.c
+++ b/usr.bin/tmux/server.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: server.c,v 1.54 2009/10/11 08:58:05 nicm Exp $ */
+/* $OpenBSD: server.c,v 1.55 2009/10/11 10:04:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -572,6 +572,13 @@ server_fill_windows(void)
 			if (BUFFER_USED(wp->out) > 0)
 				events |= POLLOUT;
 			server_poll_add(wp->fd, events);
+
+			if (wp->pipe_fd == -1)
+				continue;
+			events = 0;
+			if (BUFFER_USED(wp->pipe_buf) > 0)
+				events |= POLLOUT;
+			server_poll_add(wp->pipe_fd, events);
 		}
 	}
 }
@@ -600,6 +607,16 @@ server_handle_windows(void)
 				wp->fd = -1;
 			} else
 				server_handle_window(w, wp);
+
+			if (wp->pipe_fd == -1)
+				continue;
+			if ((pfd = server_poll_lookup(wp->pipe_fd)) == NULL)
+				continue;
+			if (buffer_poll(pfd, NULL, wp->pipe_buf) != 0) {
+				buffer_destroy(wp->pipe_buf);
+				close(wp->pipe_fd);
+				wp->pipe_fd = -1;
+			}
 		}
 
 		server_check_window(w);