custom-scripts/server.sh: add a server-optimized profile

custom-scripts/server.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+# NAME: Server Profile
+# DESC: Installs an SSH server and adds SSH session friendly configuration
+
+xbps-install -y -S openssh
+
+ln -s /etc/sv/sshd /var/service
+sleep 7 # arbitrary number, sv manual mentions taking 7s to check things
+sv down sshd
+
+echo '
+echo "This file is overridden by /run/void-usb/system-image-auto-confirm-marker, if it exists." > /run/void-usb/system-image-auto-reject-marker' >> /etc/rc.local
+
+echo -e "\033[01mWelcome to Void-USB!\033[0m
+
+\033[93mImportant\033[91m!\033[0m This system was booted off an image. Runtime changes outside
+of mounted partitions are made to an ephemeral overlay and \033[93mwill be lost\033[0m
+on shutdown/reboot.
+If you wish to persist your changes to the image, use \\\`\033[01msave-image\033[0m\\\`.
+" > /etc/motd
+
+function yesno {
+  unset DISCARD_ME
+  while [ -z "$DISCARD_ME" ]; do
+    read -p "[y/n] " -n1 DISCARD_ME
+    case "$DISCARD_ME" in
+      y)
+        echo ""
+        return 0
+        ;;
+      n)
+        echo ""
+        return 1
+        ;;
+      *)
+        echo " Please enter y for yes or n for no."
+        unset DISCARD_ME
+        ;;
+    esac
+  done
+}
+
+clear
+echo "(Re-)Configure network settings?"
+if yesno; then
+  nmtui
+fi