94 lines
4.2 KiB
Bash
94 lines
4.2 KiB
Bash
#!/usr/bin/env bash
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# @file Plymouth Theme / Configuration
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# @brief Configures Plymouth to use a custom theme
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# @description
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# This script installs Plymouth and then configures it to use our custom Betelgeuse theme.
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### Create /etc/plymouth/plymouthd.conf
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if [ -f /etc/plymouth/plymouthd.conf ]; then
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### Back up original plymouthd.conf
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if [ ! -f /etc/plymouth/plymouthd.conf.bak ]; then
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logg info 'Backing up /etc/plymouth/plymouthd.conf to /etc/plymouth/plymouthd.conf.bak'
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sudo cp -f /etc/plymouth/plymouthd.conf /etc/plymouth/plymouthd.conf.bak
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fi
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### Create new plymouthd.conf
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logg info 'Populating the /etc/plymouth/plymouthd.conf file'
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echo "[Daemon]" | sudo tee /etc/plymouth/plymouthd.conf > /dev/null
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echo "Theme={{ .theme }}" | sudo tee -a /etc/plymouth/plymouthd.conf > /dev/null
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echo "ShowDelay=1" | sudo tee -a /etc/plymouth/plymouthd.conf > /dev/null
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fi
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### Apply update-alternatives
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if command -v update-alternatives > /dev/null; then
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if [ -f "/usr/local/share/plymouth/themes/{{ .theme }}/{{ .theme }}.plymouth" ]; then
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sudo update-alternatives --install /usr/share/plymouth/themes/default.plymouth default.plymouth "/usr/local/share/plymouth/themes/{{ .theme }}/{{ .theme }}.plymouth" 100
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logg success 'Installed default.plymouth'
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# Required sometimes
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sudo update-alternatives --set default.plymouth "/usr/local/share/plymouth/themes/{{ .theme }}/{{ .theme }}.plymouth"
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logg success 'Set default.plymouth'
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else
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logg warn "/usr/local/share/plymouth/themes/{{ .theme }}/{{ .theme }}.plymouth does not exist!"
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fi
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else
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logg warn 'update-alternatives is not available'
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fi
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### Update /etc/plymouth/plymouthd.conf
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# Replaced by code above
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# if [ -f /etc/plymouth/plymouthd.conf ]; then
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# logg info 'Setting ShowDelay=1 in /etc/plymouth/plymouthd.conf'
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# if cat /etc/plymouth/plymouthd.conf | grep ShowDelay; then
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# sudo sed -i 's/^ShowDelay=.*/ShowDelay=1/' /etc/plymouth/plymouthd.conf
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# else
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# echo 'ShowDelay=1' | sudo tee -a /etc/plymouth/plymouthd.conf > /dev/null
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# fi
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# else
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# logg warn '/etc/plymouth/plymouthd.conf does not exist!'
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# fi
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### Symlink /usr/local/share/plymouth/themes to /usr/share/plymouth/themes
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if [ ! -d '/usr/share/plymouth/themes/{{ .theme }}' ]; then
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logg info 'Symlinking /usr/local/share/plymouth/themes/{{ .theme }} to /usr/share/plymouth/themes/{{ .theme }}'
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sudo ln -s '/usr/local/share/plymouth/themes/{{ .theme }}' '/usr/share/plymouth/themes/{{ .theme }}'
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fi
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### Set default Plymouth theme
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if command -v plymouth-set-default-theme > /dev/null; then
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sudo plymouth-set-default-theme -R '{{ .theme }}' || EXIT_CODE=$?
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if [ -n "$EXIT_CODE" ]; then
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logg warn 'There may have been an issue while setting the Plymouth default theme with plymouth-set-default-theme'
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else
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logg success 'Set Plymouth default theme with plymouth-set-default-theme'
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fi
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else
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logg warn 'Could not apply default Plymouth theme because plymouth-set-default-theme is missing'
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fi
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### Apply update-alternatives (again - required sometimes)
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if command -v update-alternatives > /dev/null; then
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if [ -f "/usr/local/share/plymouth/themes/{{ .theme }}/{{ .theme }}.plymouth" ]; then
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# Required sometimes
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sudo update-alternatives --set default.plymouth "/usr/local/share/plymouth/themes/{{ .theme }}/{{ .theme }}.plymouth"
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logg success 'Set default.plymouth (second time is required sometimes)'
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else
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logg warn "/usr/local/share/plymouth/themes/{{ .theme }}/{{ .theme }}.plymouth does not exist!"
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fi
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else
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logg warn 'update-alternatives is not available'
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fi
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### Update kernel / initrd images
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# Set `export DEBUG_MODE=true` to bypass GRUB2 / Plymouth application
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if [ "$DEBUG_MODE" != 'true' ]; then
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if command -v update-initramfs > /dev/null; then
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logg info 'Running sudo update-initramfs -u'
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sudo update-initramfs -u
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logg success 'Updated kernel / initrd images for Plymouth'
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elif command -v dracut > /dev/null; then
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logg info 'Running sudo dracut --regenerate-all -f'
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sudo dracut --regenerate-all -f
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logg success 'Updated kernel / initrd images for Plymouth'
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else
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logg warn 'Unable to update kernel / initrd images because neither update-initramfs or dracut are available'
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fi
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fi
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