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onboard.sh

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+#!/bin/sh
+# curl --proto '=https' --tlsv1.2 -sSf https://share.joshuabell.link/nix/onboard.sh
+
+# Go to nix configuration
+cd /mnt/etc/nixos
+
+# Ask for required variables
+VAR_HOST=$HOSTNAME
+VAR_USER=$USERNAME
+echo "Hostname will be: $VAR_HOST"
+echo "Username will be: $VAR_USER"
+while true; do
+  read -p "Do you wish to continue? (y/n)" yn
+    case $yn in
+        [Yy]* ) break;;
+        [Nn]* ) exit;;
+        * ) echo "Please answer y/n.";;
+    esac
+done
+
+# Switch to use labels in hardware-configuration
+ex +'/fileSystems."\/"' +"/by-uuid" +'s#by-uuid/.*"#by-label/NIXROOT"' \
+    +'/fileSystems."\/boot"' +"/by-uuid" +'s#by-uuid/.*"#by-label/NIXBOOT"' \
+    +"wq" hardware-configuration.nix
+echo "Switched hardware configuration to use labels"
+grep "by-uuid" hardware-configuration.nix # Should show nothing, this will help prompt for changes
+grep "by-label" hardware-configuration.nix
+echo
+
+echo "TODO add swap section here that asks for sizes..."
+echo
+
+# Download settings needed for initial boot
+curl -O https://share.joshuabell.link/nix/onboard.nix
+# update username and hostname in onboard file
+ex +"%s/%%HOSTNAME%%/$VAR_HOST/g" +"%s/%%USERNAME%%/$VAR_USER/g" +"wq" onboard.nix
+# Import onboard file in configuration.nix
+ex +"%s#hardware-configuration.nix#hardware-configuration.nix ./onboard.nix#g" +"wq" configuration.nix
+echo "Setup onboard.nix in configuration.nix"
+echo
+
+echo "Run \`nixos-install\` to finish then reboot"
+echo "It's recommended to verify contents of hardware config first."
+echo