diff --git a/authorize-keys.sh b/authorize-keys.sh
new file mode 100644
index 0000000..3059fa6
--- /dev/null
+++ b/authorize-keys.sh
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -u
+set -e
+
+my_keyurl=${1:-}
+
+if [ -z "$my_keyurl" ] || [ ! -f "$my_keyurl" ]; then
+	echo "Give a path to a public key file."
+	exit 1
+fi
+my_keys=$(cat $my_keyurl)
+
+my_user_tmp=$(grep -r "Git Site Deploys" /etc/passwd | cut -d':' -f1)
+read -p "Repository Username [${my_user_tmp:-$(whoami)}]: " my_user
+: ${my_user:="$my_user_tmp"}
+
+my_authorized_keys_tmp=$(eval echo "~$my_user/.ssh/authorized_keys")
+read -p "authorized_keys [$my_authorized_keys_tmp]: " my_authorized_keys
+: ${my_authorized_keys:="$my_authorized_keys_tmp"}
+
+my_ssh_cmd='command="declare -a args=($SSH_ORIGINAL_COMMAND); verb=${args[0]}; arg=$(eval echo ${args[1]}); \"git-${verb:4}\" $arg",no-port-forwarding,no-x11-forwarding,no-agent-forwarding,no-pty'
+
+echo "$my_keys" | while read my_key; do
+	#echo "$my_ssh_cmd $my_key"
+	sudo bash -c "echo '$my_ssh_cmd $my_key' >> '$my_authorized_keys'"
+done
+
+echo "Done"