add revision info

src/DMAPI/tgs/v3210/api.dm

@@ -36,6 +36,7 @@
 	var/instance_name
 	var/originmastercommit
 	var/commit
+	var/revision_date
 	var/list/cached_custom_tgs_chat_commands
 	var/warned_revison = FALSE
 	var/warned_custom_commands = FALSE
@@ -76,6 +77,13 @@
 		logs = splittext(logs[logs.len], " ")
 		if (logs.len >= 2)
 			originmastercommit = logs[2]
+			if(logs.len >= 5)
+				revision_date_epoch = text2num(logs[5])
+				if(isnum(revision_date_epoch))
+					revision_date = unix_epoch_to_iso_timestamp(revision_date_epoch)
+				else
+					revision_date = ""
+					TGS_ERROR_LOG("Error parsing origin commmit logs")
 		else
 			TGS_ERROR_LOG("Error parsing origin commmit logs")
 
@@ -184,6 +192,7 @@
 	var/datum/tgs_revision_information/ri = new
 	ri.commit = commit
 	ri.origin_commit = originmastercommit
+	ri.timestamp = revision_date
 	return ri
 
 /datum/tgs_api/v3210/EndProcess()
@@ -211,6 +220,13 @@
 /datum/tgs_api/v3210/SecurityLevel()
 	return TGS_SECURITY_TRUSTED
 
+/datum/tgs_api/v3210/proc/unix_epoch_to_iso_timestamp(epoch)
+	epoch += world.timezone * 3600 // adjust for timezone
+	epoch -= 946684800 // adjust for unix to byond epoch lapse (30 years)
+	epoch *= 10 // adjust for time2text expecting decisonds
+	// third paramter is timezone, which only works for versions 514+. but we can put a 0 here and itll be the same for old versions
+	return time2text(epoch, "YYYY-MM-DDThh:mm:ss", 0)
+
 #undef REBOOT_MODE_NORMAL
 #undef REBOOT_MODE_HARD
 #undef REBOOT_MODE_SHUTDOWN