add debug time command

Signed-off-by: Jason Volk <jason@zemos.net>

src/admin/debug/commands.rs

@@ -2,14 +2,14 @@
 	collections::{BTreeMap, HashMap},
 	fmt::Write,
 	sync::{Arc, Mutex},
-	time::Instant,
+	time::{Instant, SystemTime},
 };
 
 use api::client::validate_and_add_event_id;
 use conduit::{
 	debug, info, log,
 	log::{capture, Capture},
-	warn, Error, PduEvent, Result,
+	utils, warn, Error, PduEvent, Result,
 };
 use ruma::{
 	api::{client::error::ErrorKind, federation::event::get_room_state},
@@ -739,3 +739,8 @@ pub(super) async fn runtime_interval(_body: Vec<&str>) -> Result<RoomMessageEven
 		"Runtime metrics require building with `tokio_unstable`.",
 	))
 }
+
+pub(super) async fn time(_body: Vec<&str>) -> Result<RoomMessageEventContent> {
+	let now = SystemTime::now();
+	Ok(RoomMessageEventContent::text_markdown(utils::time::format(now, "%+")))
+}

src/admin/debug/mod.rs

@@ -175,6 +175,9 @@ pub(super) enum DebugCommand {
 	///   invocation.
 	RuntimeInterval,
 
+	/// - Print the current time
+	Time,
+
 	/// - Developer test stubs
 	#[command(subcommand)]
 	#[allow(non_snake_case)]