88 lines
3.5 KiB
Plaintext
88 lines
3.5 KiB
Plaintext
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#!/bin/sh
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# Variables
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latest="$(wget -qO - 'https://kernel.org' | sed -n '/stable:/{n;p;}' | sed 's.[a-z]\|<\|>\|/\|[[:space:]]..g')"
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current="$(uname -r)"
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user="$(users)"
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cores=$(nproc)
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# Function body
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function verify(){
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local sign=$1 out=
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gkh="647F28654894E3BD457199BE38DBBDC86092693E" # Kroah-Hartman's key
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lt="ABAF11C65A2970B130ABE3C479BE3E4300411886" # Torvalds' key
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if out=$(sudo -u $user gpg --status-fd 1 --verify "$sign" 2>/dev/null) && echo "$out" | grep -qs "^\[GNUPG:\] VALIDSIG $gkh"
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then
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return 0
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elif out=$(sudo -u $user gpg --status-fd 1 --verify "$sign" 2>/dev/null) && echo "$out" | grep -qs "^\[GNUPG:\] VALIDSIG $lt"
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then
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return 0
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else
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echo "$out" >&2
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return 1
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fi
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}
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if [[ "$latest" != "$current" ]] && [[ ! -z $latest ]]
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then
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/usr/local/sbin/notify_all "Kernel update tracker" "There's a new kernel available\!\nGetting the kernel for you.." --icon=dialog-information
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download="$(wget -qO - 'https://kernel.org' | sed -n '/latest_link/{n;p;}' | cut -d '"' -f2)"
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sudo -u $user wget -qP /tmp $download
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sudo -u $user wget -qP /tmp $(sed 's/.xz/.sign/' <<< $download)
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/usr/local/sbin/notify_all "Kernel update tracker" "Kernel downloaded\!\nNow extracting and verifying." --icon=dialog-information
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sudo -u $user unxz /tmp/linux-$latest.tar.xz
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if verify /tmp/linux-$latest.tar.sign
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then
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/usr/local/sbin/notify_all "Kernel update tracker" "Verification success\!\nStarting compilation.." --icon=dialog-information
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else
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/usr/local/sbin/notify_all "Kernel update tracker" "Couldn't verify the kernel. Quitting\!" --icon=dialog-warning
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exit 1
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fi
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tar xf /tmp/linux-$latest.tar
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cd /tmp/linux-$latest
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make clean &>/dev/null
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make mrproper &>/dev/null
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if [ -f "/root/.config/kernel/.config" ]
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then
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cp /root/.config/kernel/.config /tmp/linux-$latest/.config
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else
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/usr/local/sbin/notify_all "Kernel update tracker" "No config file found\!\nAdd it to /root/.config/kernel/.config" --icon=dialog-warning
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exit 1
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fi
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/usr/local/sbin/notify_all "Kernel update tracker" "Starting kernel build..\nThis can take a while."
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make -j$cores &>/dev/null
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make modules_install &>/dev/null
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cp arch/$(uname -m)/boot/bzImage /boot/vmlinuz-$latest
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mkinitcpio -k $latest -g /boot/initramfs-$latest.img &>/dev/null
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if [ "$(echo $(uname -r) | sed 's/ARCH//')" != "$(uname -r)" ]
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then
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/usr/local/sbin/notify_all "Kernel update tracker" "Removing the Arch distribution kernel.." --icon=dialog-information
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pacman -R --noconfirm linux
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elif [ "$(echo $(uname -r) | sed 's/MANJARO//')" != "$(uname -r)" ]
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then
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/usr/local/sbin/notify_all "Kernel update tracker" "Removing the Manjaro distribution kernel.." --icon=dialog-information
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pacman -R --noconfirm linux
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else
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/usr/local/sbin/notify_all "Kernel update tracker" "Removing the current kernel.." --icon=dialog-information
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rm -f /boot/initramfs-$current.img
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rm -f /boot/vmlinuz-$current
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rm -rf /usr/lib/modules/$current
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fi
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grub-mkconfig -o /boot/grub/grub.cfg &>/dev/null
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/usr/local/sbin/notify_all "Kernel update tracker" "New kernel installed\!" --icon=dialog-information
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elif [[ "$latest" == "$current" ]] && [[ ! -z $latest ]]
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then
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exit 0
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elif [[ -z $latest ]]
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then
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if ncat -zw1 kernel.org 443
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then
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/usr/local/sbin/notify_all "Kernel update tracker" "Website didn't return the required data." --icon=dialog-warning
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else
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/usr/local/sbin/notify_all "Kernel update tracker" "No network connection." --icon=dialog-information
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fi
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else
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/usr/local/sbin/notify_all "Kernel update tracker" "Internal error.. Debug time\!" --icon=dialog-warning
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exit 1
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fi
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