Add hook_session and hook_window formats to get information on the

affected session or window when a hook fires. Enable session-created and
session-closed hooks now that that is available.

2 files changed, 28 insertions, 8 deletions

diff --git a/notify.c b/notify.c
index 20709e53..49d7e32f 100644
--- a/notify.c
+++ b/notify.c
@@ -41,8 +41,8 @@ static const char *notify_hooks[] = {
 	"window-renamed",
 	NULL, /* "attached-session-changed", */
 	"session-renamed",
-	NULL, /* "session-created", */
-	NULL, /* "session-closed" */
+	"session-created",
+	"session-closed"
 };
 
 struct notify_entry {
@@ -60,18 +60,20 @@ notify_hook(struct cmdq_item *item, struct notify_entry *ne)
 	struct cmd_find_state	 fs;
 	struct hook		*hook;
 	struct cmdq_item	*new_item;
+	struct session		*s = ne->session;
+	struct window		*w = ne->window;
 
 	name = notify_hooks[ne->type];
 	if (name == NULL)
 		return;
 
 	cmd_find_clear_state(&fs, NULL, 0);
-	if (ne->session != NULL && ne->window != NULL)
-		cmd_find_from_session_window(&fs, ne->session, ne->window);
-	else if (ne->window != NULL)
-		cmd_find_from_window(&fs, ne->window);
-	else if (ne->session != NULL)
-		cmd_find_from_session(&fs, ne->session);
+	if (s != NULL && w != NULL)
+		cmd_find_from_session_window(&fs, s, w);
+	else if (w != NULL)
+		cmd_find_from_window(&fs, w);
+	else if (s != NULL && session_alive(s))
+		cmd_find_from_session(&fs, s);
 	else
 		cmd_find_current(&fs, item, CMD_FIND_QUIET);
 	if (cmd_find_empty_state(&fs) || !cmd_find_valid_state(&fs))
@@ -84,6 +86,16 @@ notify_hook(struct cmdq_item *item, struct notify_entry *ne)
 
 	new_item = cmdq_get_command(hook->cmdlist, &fs, NULL, CMDQ_NOHOOKS);
 	cmdq_format(new_item, "hook", "%s", name);
+
+	if (s != NULL) {
+		cmdq_format(new_item, "hook_session", "$%u", s->id);
+		cmdq_format(new_item, "hook_session_name", "%s", s->name);
+	}
+	if (w != NULL) {
+		cmdq_format(new_item, "hook_window", "@%u", w->id);
+		cmdq_format(new_item, "hook_window_name", "%s", w->name);
+	}
+
 	cmdq_insert_after(item, new_item);
 }
 
diff --git a/tmux.1 b/tmux.1
index 88697bcf..e13b5573 100644
--- a/tmux.1
+++ b/tmux.1
@@ -3244,6 +3244,10 @@ Run when the program running in a pane exits, but
 is on so the pane has not closed.
 .It pane-exited
 Run when the program running in a pane exits.
+.It session-created
+Run when a new session created.
+.It session-closed
+Run when a session closed.
 .It session-renamed
 Run when a session is renamed.
 .It window-renamed
@@ -3467,6 +3471,10 @@ The following variables are available, where appropriate:
 .It Li "history_limit" Ta "" Ta "Maximum window history lines"
 .It Li "history_size" Ta "" Ta "Size of history in bytes"
 .It Li "hook" Ta "" Ta "Name of running hook, if any"
+.It Li "hook_session" Ta "" Ta "ID of session where hook was run, if any"
+.It Li "hook_session_name" Ta "" Ta "Name of session where hook was run, if any"
+.It Li "hook_window" Ta "" Ta "ID of window where hook was run, if any"
+.It Li "hook_window_name" Ta "" Ta "Name of window where hook was run, if any"
 .It Li "host" Ta "#H" Ta "Hostname of local host"
 .It Li "host_short" Ta "#h" Ta "Hostname of local host (no domain name)"
 .It Li "insert_flag" Ta "" Ta "Pane insert flag"