Add -E to detach-client to exec a command to replace the client instead

of exiting it, useful if tmux wasn't exec'd itself. From Jenna Magius.

1 files changed, 20 insertions, 7 deletions

diff --git a/cmd-detach-client.c b/cmd-detach-client.c
index 69225bae..a10fd42a 100644
--- a/cmd-detach-client.c
+++ b/cmd-detach-client.c
@@ -33,8 +33,9 @@ const struct cmd_entry cmd_detach_client_entry = {
 	.name = "detach-client",
 	.alias = "detach",
 
-	.args = { "as:t:P", 0, 0 },
-	.usage = "[-P] [-a] [-s target-session] " CMD_TARGET_CLIENT_USAGE,
+	.args = { "aE:s:t:P", 0, 0 },
+	.usage = "[-aP] [-E shell-command] "
+	         "[-s target-session] " CMD_TARGET_CLIENT_USAGE,
 
 	.sflag = CMD_SESSION,
 	.tflag = CMD_CLIENT,
@@ -63,6 +64,7 @@ cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item)
 	struct client	*c = item->state.c, *cloop;
 	struct session	*s;
 	enum msgtype	 msgtype;
+	const char	*cmd = args_get(args, 'E');
 
 	if (self->entry == &cmd_suspend_client_entry) {
 		tty_stop_tty(&c->tty);
@@ -79,20 +81,31 @@ cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item)
 	if (args_has(args, 's')) {
 		s = item->state.sflag.s;
 		TAILQ_FOREACH(cloop, &clients, entry) {
-			if (cloop->session == s)
-				server_client_detach(cloop, msgtype);
+			if (cloop->session == s) {
+				if (cmd != NULL)
+					server_client_exec(cloop, cmd);
+				else
+					server_client_detach(cloop, msgtype);
+			}
 		}
 		return (CMD_RETURN_STOP);
 	}
 
 	if (args_has(args, 'a')) {
 		TAILQ_FOREACH(cloop, &clients, entry) {
-			if (cloop->session != NULL && cloop != c)
-				server_client_detach(cloop, msgtype);
+			if (cloop->session != NULL && cloop != c) {
+				if (cmd != NULL)
+					server_client_exec(cloop, cmd);
+				else
+					server_client_detach(cloop, msgtype);
+			}
 		}
 		return (CMD_RETURN_NORMAL);
 	}
 
-	server_client_detach(c, msgtype);
+	if (cmd != NULL)
+		server_client_exec(c, cmd);
+	else
+		server_client_detach(c, msgtype);
 	return (CMD_RETURN_STOP);
 }