diff --git a/bin/startRuby b/bin/startRuby
index c6cd48d..2cc7103 100755
--- a/bin/startRuby
+++ b/bin/startRuby
@@ -4,7 +4,17 @@
 #	Host jdgb
 
 gb=https://www.yatex.org/gitbucket/
-repo=ssh://git@jdgb/JD2022student/Ruby.git
+user=`logname`
+user=$USER
+case "$user" in
+  j21??) ryear=2021 ;;
+  j22??) ryear=2022 ;;
+  #j[23][0-9][0-9][0-9])
+  #	ryear=20`expr "$user" : 'j\(..\)..'` ;;
+  *)	# We cannot use "date" command because of its option incompatibility
+	ryear=`ruby -e 'print (Time.now-120*24*3600).strftime("%Y")'` ;;
+esac
+repo=ssh://git@jdgb/JD${ryear}student/Ruby.git
 edom=itl.koeki-u.ac.jp
 trashbin=$HOME/Trash
 trashmsg="がサーバ上の最新版と食い違ったので