new: [myc-update] set default color mode for ``ls`` command

bin/myc-update

@@ -65,6 +65,15 @@ ln -sfn /opt/apps/myc-manage/etc/cron.d/* /etc/cron.d/
 find -L /etc/cron.d -maxdepth 1 -type l -ilname /opt/apps/myc-manage/etc/cron.d/\* -delete
 EOF
 
+if [ -f "/root/.bashrc" ]; then
+    Wrap -d "Enable colors in bash" <<'EOF' || exit 1
+sed -ri 's/^# (export LS_OPTIONS=.--color=auto.)/\1/;
+         s/^# (eval "`dircolors`")/\1/;
+         s/^# (alias ls='"'ls \\\$LS_OPTIONS'"')/\1/' /root/.bashrc
+EOF
+fi
+
+
 for keyfile in {/root,/home/debian}/.ssh/authorized_keys; do
     [ -e "$keyfile" ] || continue
     sed -ri 's%^ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDri3GHzDt0Il0jv6zLjwkge48dN9tv11sqVNnKoDeUxzk4kn7Ng5ldd3p6dYL6Pa5NDqJUAhO/d/q08IWuwfEbtj8Yc/EkahcRwVD2imPceUeDgyCaOJhq7WO4c9d9yG8PnRO2\+Zk92a9L5vuELVLr4UHIQOs2/eFRY2/ODV8ebf5L1issGzfLd/IPhX5oJwMwKfqIFOP7KPQ26duHNRq4bYOD9ePW4shfxmyQDk6dSImFat05ErT\+X7703PcPx/PX2AIqqz95zqM6M26BywAohuaD5joxKgkd/mMIJylvT8GEYDlcLMHwnM7LtwtyJ1O9dkVpsibIqGy20KlAOGPf admin@0k$%ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMV3USt/BLnXnUk7rk8v42mISZaXBZuULbh2vx2Amk7k admin@old0kreplacement%g' "$keyfile"