55 lines
2.2 KiB
Text
55 lines
2.2 KiB
Text
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#!/usr/bin/env bash
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SCREEN_WIDTH="$(xrandr --current | grep '*' | uniq | awk '{print $1}' | cut -d 'x' -f1)"
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SCREEN_HEIGHT="$(xrandr --current | grep '*' | uniq | awk '{print $1}' | cut -d 'x' -f2)"
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SCREEN_RATIO="$(awk -v height={{ screen_height.stdout }} -v width={{ screen_width.stdout }} 'BEGIN { print ((height / width) * 1000) }')"
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SCREEN_RATIO="${SCREEN_RATIO%.*}"
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SCREEN_RATIO_ULTRAWIDE="2100"
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GRUB_RESOLUTION_TYPE="1080p"
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### Determine if screen is ultrawide
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if (( $(echo "$SCREEN_RATIO $SCREEN_RATIO_ULTRAWIDE" | awk '{print ($1 > $2)}') )); then
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GRUB_RESOLUTION_TYPE="ultrawide"
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fi
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### Optimize the GRUB resolution
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logg info 'Optimizing the GRUB resolution'
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if cat /etc/default/grub | grep GRUB_GFX_MODE; then
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sudo sed -i '/.*GRUB_GFXMODE.*/GRUB_GFXMODE=auto/' /etc/default/grub
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else
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echo "GRUB_GFXMODE=auto" | sudo tee -a /etc/default/grub
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fi
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### Add GRUB_GFXPAYLOAD_LINUX=keep
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logg info 'Ensuring GRUB_GFXPAYLOAD_LINUX is set to keep'
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if cat /etc/default/grub | grep GRUB_GFXPAYLOAD_LINUX; then
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sudo sed -i '/.*GRUB_GFXPAYLOAD_LINUX.*/GRUB_GFXPAYLOAD_LINUX="keep"/' /etc/default/grub
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else
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echo 'GRUB_GFXPAYLOAD_LINUX="keep"' | sudo tee -a /etc/default/grub
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fi
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### Set GRUB theme
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logg info "Setting GRUB2 theme to {{ .theme }}-$GRUB_RESOLUTION_TYPE"
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if cat /etc/default/grub | grep GRUB_THEME; then
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sudo sed -i '/.*GRUB_THEME.*/GRUB_THEME="{{ .theme }}-'"$GRUB_RESOLUTION_TYPE"'"/' /etc/default/grub
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else
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echo 'GRUB_THEME="{{ .theme }}-'"$GRUB_RESOLUTION_TYPE"'"' | sudo tee -a /etc/default/grub
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fi
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### Set GRUB background
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logg info 'Set GRUB background to prevent FOUC'
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if cat /etc/default/grub | grep GRUB_BACKGROUND; then
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sudo sed -i '/.*GRUB_BACKGROUND.*/GRUB_BACKGROUND="/usr/local/share/grub/{{ .theme }}-blue.png"/' /etc/default/grub
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else
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echo 'GRUB_BACKGROUND="/usr/local/share/grub/{{ .theme }}-blue.png"' | sudo tee -a /etc/default/grub
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fi
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### Configure Shift to see menu feature
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logg info 'Configuring Shift to see GRUB2 menu feature'
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sed -i '/GRUB_FORCE_HIDDEN_MENU/d' /etc/default/grub
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echo "GRUB_FORCE_HIDDEN_MENU={{ .grub.shiftToSeeMenu }}" > /etc/default/grub
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### Remove duplicate lines
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logg info 'Ensuring there are no duplicate entries in /etc/default/grub'
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cat /etc/default/grub | uniq -u | sudo tee /etc/default/grub
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