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diff --git a/notify-user-and-copy-config b/notify-user-and-copy-config
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+#!/usr/bin/env bash
+
+echo "aria2cd has been installed/updated successfully, but there is something extra to do."
+echo ""
+echo "If you are using user service, there are two options:"
+echo ""
+echo "1. You need to copy /usr/share/aria2/ to \${HOME}/.aria2/, \${HOME} is the home directory of the user who runs aria2c."
+echo "2. Copy aria2.conf and tracker-config.sh in /usr/share/aria2 to \${XDG_CONFIG_HOME:-\${HOME}/.config}/aria2/"
+echo "   Copy aria2.session, dht.dat and dnt6.dat in /usr/share/aria2 to \${XDG_CACHE_HOME:-\${HOME}/.config}/aria2/"
+echo ""
+echo "The latter(\${XDG_CACHE_HOME}/aria2/ and \${XDG_CONFIG_HOME}/aria2/) is preferered to use because it follows freedesktop's specification."
+echo ""
+echo "According to systemd document, you also need to enable NetworkManager-wait-online.service or systemd-networkd-wait-online.service if you want to use aria2-update-tracker.timer."
+echo ""
+echo "Note: aria2@username.service is deprecated now, it may be removed in the future. You can use system wide aria2.service or user wide aria2.service instead."
+echo "      Files downloaded by system service is placed at /var/lib/aria2cd/Downloads and will be cleaned after 30 days, please copy it to a safe place if needed."
+echo ""
+
+mkdir -p /etc/aria2cd
+for file in aria2.conf tracker-config.sh
+do
+    echo "Copying ${file}..."
+    [[ ! -f /etc/aria2cd/${file} ]] && \
+        cp /usr/share/aria2/${file} /etc/aria2cd/${file}
+done
+echo "Finished copying config."