115 lines
3 KiB
Bash
115 lines
3 KiB
Bash
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#! /usr/bin/env bash
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THEME='poly-light'
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LANG='English'
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# Pre-authorise sudo
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sudo echo
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# Select language, optional
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declare -A LANGS=(
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[Chinese]=zh_CN
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[English]=EN
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[French]=FR
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[German]=DE
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[Norwegian]=NO
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[Portuguese]=PT
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[Russian]=RU
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[Spanish]=ES
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[Ukrainian]=UA
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)
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LANG_NAMES=($(echo ${!LANGS[*]} | tr ' ' '\n' | sort -n))
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PS3='Please select language #: '
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select l in "${LANG_NAMES[@]}"
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do
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if [[ -v LANGS[$l] ]]
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then
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LANG=$l
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break
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else
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echo 'No such language, try again'
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fi
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done < /dev/tty
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# Detect distro and set GRUB location and update method
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GRUB_DIR='grub'
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UPDATE_GRUB=''
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if [ -e /etc/os-release ]; then
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source /etc/os-release
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if [[ "$ID" =~ (debian|ubuntu|solus) || \
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"$ID_LIKE" =~ (debian|ubuntu) ]]; then
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UPDATE_GRUB='update-grub'
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elif [[ "$ID" =~ (arch|gentoo) || \
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"$ID_LIKE" =~ (archlinux|gentoo) ]]; then
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UPDATE_GRUB='grub-mkconfig -o /boot/grub/grub.cfg'
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elif [[ "$ID" =~ (centos|fedora|opensuse) || \
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"$ID_LIKE" =~ (fedora|rhel|suse) ]]; then
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GRUB_DIR='grub2'
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UPDATE_GRUB='grub2-mkconfig -o /boot/grub2/grub.cfg'
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fi
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fi
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echo 'Fetching theme archive'
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wget https://github.com/shvchk/${THEME}/archive/master.zip
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echo 'Unpacking theme'
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unzip master.zip
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if [[ "$LANG" != "English" ]]
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then
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echo "Changing language to ${LANG}"
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sed -i -r -e '/^\s+# EN$/{n;s/^(\s*)/\1# /}' \
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-e '/^\s+# '"${LANGS[$LANG]}"'$/{n;s/^(\s*)#\s*/\1/}' ${THEME}-master/theme.txt
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fi
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echo 'Creating GRUB themes directory'
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sudo mkdir -p /boot/${GRUB_DIR}/themes/${THEME}
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echo 'Copying theme to GRUB themes directory'
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sudo cp -r ${THEME}-master/* /boot/${GRUB_DIR}/themes/${THEME}
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echo 'Removing other themes from GRUB config'
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sudo sed -i '/^GRUB_THEME=/d' /etc/default/grub
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echo 'Making sure GRUB uses graphical output'
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sudo sed -i 's/^\(GRUB_TERMINAL\w*=.*\)/#\1/' /etc/default/grub
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echo 'Removing empty lines at the end of GRUB config' # optional
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sudo sed -i -e :a -e '/^\n*$/{$d;N;};/\n$/ba' /etc/default/grub
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echo 'Adding new line to GRUB config just in case' # optional
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echo | sudo tee -a /etc/default/grub
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echo 'Adding theme to GRUB config'
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echo "GRUB_THEME=/boot/${GRUB_DIR}/themes/${THEME}/theme.txt" | sudo tee -a /etc/default/grub
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echo 'Removing theme installation files'
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rm -rf master.zip ${THEME}-master
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echo 'Updating GRUB'
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if [[ $UPDATE_GRUB ]]; then
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eval sudo "$UPDATE_GRUB"
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else
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cat << ' EOF'
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--------------------------------------------------------------------------------
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Cannot detect your distro, you will need to run `grub-mkconfig` (as root) manually.
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Common ways:
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- Debian, Ubuntu, Solus and derivatives: `update-grub` or `grub-mkconfig -o /boot/grub/grub.cfg`
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- RHEL, CentOS, Fedora, SUSE and derivatives: `grub2-mkconfig -o /boot/grub2/grub.cfg`
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- Arch, Gentoo and derivatives: `grub-mkconfig -o /boot/grub/grub.cfg`
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--------------------------------------------------------------------------------
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EOF
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fi
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