Usage: sudo ./install.sh [OPTIONS...]

  -t, --theme     theme variant(s)          [black]                             (default is black)
  -i, --icon      icon variant(s)           [white]                             (default is color)
  -s, --screen    screen display variant(s) [1920x1200|2560x1600]               (default is 1920x1200)
  -r, --remove    Remove theme              [black]                             (must add theme name option, default is black)

  -b, --boot      install theme into '/boot/grub' or '/boot/grub2'
  -g, --generate  do not install but generate theme into chosen directory       (must add your directory)

  -h, --help      Show this help

If no options are used, a user interface dialog will show up instead

• Install Tela theme on 2560x1600 display device:

sudo ./install.sh -t black -s 2560x1600

• Install Tela theme into /boot/grub/themes:

sudo ./install.sh -b -t black

• Uninstall Tela theme:

sudo ./install.sh -r -t black

• On the grub screen, press c to enter the command line
• Enter vbeinfo or videoinfo to check available resolutions
• Open /etc/default/grub, and edit GRUB_GFXMODE=[height]x[width]x32 to match your resolution
• Finally, run grub-mkconfig -o /boot/grub/grub.cfg to update your grub config

• Make sure you have imagemagick installed, or at least something that provides convert
• Find the resolution of your display, and make sure your background matches the resolution
  • 1920x1200 >> 1920x1200
  • 2560x1600 >> 2560x1600
• Place your custom background inside the root of the project, and name it background.jpg
• Run the installer like normal, but with -s [YOUR_RESOLUTION] and -t [THEME] and -i [ICON]
  • Make sure to replace [YOUR_RESOLUTION] with your resolution and [THEME] with the theme

• If you made changes to icons, or added a new one:
  • Delete the existing icon, if there is one
  • Run cd assets; ./render-all.sh
• Create a pull request from your branch or fork
• If any issues occur, report then to the issue page

Grub2 theme reference

Grub2 theme tutorial