stage ujust changes from pr

usr/share/ublue-os/just/00-default.just

@@ -0,0 +1,44 @@
+# vim: set ft=make :
+
+set allow-duplicate-recipes
+set ignore-comments
+
+_default:
+  @just --unstable --list --list-heading $'Available commands:\n' --list-prefix $' - '
+
+# Boot into this device's BIOS/UEFI screen
+bios:
+  systemctl reboot --firmware-setup
+
+# Change the user's shell
+chsh new_shell:
+  #!/usr/bin/env bash
+  set -euo pipefail
+  if [ "{{shell}}" = "{{new_shell}}" ] ; then
+    printf "Your shell is already set to %s.\n" "{{new_shell}}"
+  else
+    if [ -x "{{new_shell}}" ] ; then
+      sudo usermod $USER --shell "{{new_shell}}"
+      printf "%s's shell is now %s.\n" "$USER" "{{new_shell}}"
+    else
+      echo "{{new_shell}} does not exist or is not executable!"
+    fi
+  fi
+
+# Regenerate GRUB config, useful in dual-boot scenarios where a second operating system isn't listed
+regenerate-grub:
+  #!/usr/bin/env bash
+  if [ -d /sys/firmware/efi ]; then
+    sudo grub2-mkconfig -o /etc/grub2-efi.cfg
+  else
+    sudo grub2-mkconfig -o /etc/grub2.cfg
+  fi
+
+# Show the changelog
+changelogs:
+  rpm-ostree db diff --changelogs
+
+# Enroll Nvidia driver & KMOD signing key for secure boot - Enter password "ublue-os" if prompted
+enroll-secure-boot-key:
+  sudo mokutil --import /etc/pki/akmods/certs/akmods-ublue.der
+  echo 'Enter password "ublue-os" if prompted'