Auto setup the SSH connection if the devcontainer has not been initialised.

stowers/shell-utils/dot-local/bin/devc-ssh

@@ -21,7 +21,23 @@ if ! ssh_port="$(${CONTAINER} inspect --format '{{ (index (index .NetworkSetting
     exit 1
 fi
 
-ssh -o UserKnownHostsFile=/dev/null \
-    -o StrictHostKeyChecking=false \
+ignore_hostkey=("-oUserKnownHostsFile=/dev/null" "-oStrictHostKeyChecking=false")
+
+if ! ssh "${ignore_hostkey[@]}" -oPasswordAuthentication=no -p "${ssh_port}" -T dev@localhost 'exit'; then
+    docker exec -it "${container_id}" /bin/bash -c 'echo "dev:dev" | chpasswd'
+    echo "[+] Changed password of container user to 'dev'"
+
+    if command -v sshpass &>/dev/null; then
+        sshpass -p"dev" ssh-copy-id -p "${ssh_port}" dev@localhost
+    elif command -v expect &>/dev/null; then
+        expect -c "spawn $(which ssh-copy-id) -p ${ssh_port} dev@localhost; interact -o -nobuffer -re .*assword.* return; send \"dev\r\n\"; send -- \"\r\"; expect eof;"
+    else
+        echo "[?] Could not find application to automatically copy SSH key."
+        echo "    Please enter the password 'dev' manually below."
+        ssh-copy-id -p "${ssh_port}" dev@localhost
+    fi
+fi
+
+ssh "${ignore_hostkey[@]}" \
     -p "${ssh_port}" \
     dev@localhost "$@"