Check for key existence before trying to import it.

home/bin/update-profile

@@ -24,10 +24,15 @@ fi
 		export GNUPGHOME="$HOME/.local/profile-data/gnupg"
 		mkdir -p "${GNUPGHOME}"
 		chmod 700 "${GNUPGHOME}"
-		gpg --fingerprint
-		gpg --recv-keys \
+		for key in \
 			B5108C5A158A6608AD3361DA1573F6D8EFE4D0CF \
-			04ADEF85EA6AEC6F75941E84468BBEEBB9EC6AEA
+			04ADEF85EA6AEC6F75941E84468BBEEBB9EC6AEA \
+			; do
+			if ! gpg --list-keys "${key}" >/dev/null 2>&1; then
+				# key does not exist yet
+				gpg --recv-keys "${key}"
+			fi
+		done
 
 		echo "Verifying updates..."
 		git rev-list --format=oneline HEAD..origin | while IFS= read -r line; do