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https://github.com/pentoo/pentoo-overlay
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pentoo-updater: simplify some logic and add a bunch of new kernel checks. add root check
This commit is contained in:
Rick Farina (Zero_Chaos)
parent
70f780d644
commit
8b6d9ea95f
1 changed files with 67 additions and 42 deletions
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@ -1,4 +1,18 @@
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#!/bin/sh
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if [ -n "$(command -v id 2> /dev/null)" ]; then
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USERID="$(id -u 2> /dev/null)"
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fi
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if [ -z "${USERID}" ] && [ -n "$(id -ru)" ]; then
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USERID="$(id -ru)"
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fi
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if [ -n "${USERID}" ] && [ "${USERID}" != "0" ]; then
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printf "Run it as root\n" ; exit 1;
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elif [ -z "${USERID}" ]; then
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printf "Unable to determine user id, permission errors may occur.\n"
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fi
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. /etc/profile
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env-update
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@ -64,55 +78,66 @@ update_kernel() {
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return 1
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fi
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#first we check for a config
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upstream_config="https://raw.githubusercontent.com/pentoo/pentoo-livecd/master/livecd/${ARCH}/kernel/config-${bestkern%-pentoo}"
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local_config="/usr/src/linux-${bestkern}/.config"
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if [ -r "${local_config}" ]; then
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printf "Checking for updated kernel config...\n"
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curl --fail "${upstream_config}" -z "${local_config}" -o "${local_config}"
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else
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printf "Checking for kernel config...\n"
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curl --fail "${upstream_config}" -o "${local_config}"
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fi
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if [ ! -r "${local_config}" ]; then
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printf "Unable to find a viable config for ${bestkern}, skipping update.\n"
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return 1
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fi
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#next we fix the symlink
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if [ "$(readlink /usr/src/linux)" != "linux-${bestkern}" ]; then
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unlink /usr/src/linux
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ln -s "linux-${bestkern}" /usr/src/linux
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fi
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currkern="$(uname -r)"
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if [ "${currkern}" != "${bestkern}" ]; then
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printf "Currently running kernel ${currkern} is out of date.\n"
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if [ -x "/usr/src/linux-${bestkern}/vmlinux" ] && [ -r "/lib/modules/${bestkern}/modules.dep" ]; then
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printf "Kernel ${bestkern} appears ready to go, please reboot when convenient.\n"
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if [ -r /etc/kernels/kernel-config-${arch}-${bestkern} ] && ! diff -Naur /usr/src/linux/.config /etc/kernels/kernel-config-${arch}-${bestkern}; then
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printf "Kernel ${bestkern} appears ready to go, please reboot when convenient.\n"
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return 1
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else
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printf "Updated kernel ${bestkern} available, building...\n"
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fi
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else
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printf "Updated kernel ${bestkern} available, building...\n"
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#first we check for a config
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upstream_config="https://raw.githubusercontent.com/pentoo/pentoo-livecd/master/livecd/${ARCH}/kernel/config-${bestkern%-pentoo}"
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local_config="/usr/src/linux-${bestkern}/.config"
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if [ -r "${local_config}" ]; then
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printf "Checking for updated kernel config...\n"
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curl --fail "${upstream_config}" -z "${local_config}" -o "${local_config}"
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else
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printf "Checking for kernel config...\n"
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curl --fail "${upstream_config}" -o "${local_config}"
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fi
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if [ ! -r "${local_config}" ]; then
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printf "Unable to find a viable config for ${bestkern}, skipping update.\n"
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return 1
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fi
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#next we fix the symlink
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if [ "$(readlink /usr/src/linux)" != "linux-${bestkern}" ]; then
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unlink /usr/src/linux
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ln -s "linux-${bestkern}" /usr/src/linux
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fi
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#then we set genkernel options as needed
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genkernelopts="--no-mrproper --disklabel --microcode --compress-initramfs-type=xz --bootloader=grub2"
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if grep -q btrfs /etc/fstab || grep -q btrfs /proc/cmdline; then
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genkernelopts="${genkernelopts} --btrfs"
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fi
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if grep -q zfs /etc/fstab || grep -q zfs /proc/cmdline; then
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genkernelopts="${genkernelopts} --zfs"
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fi
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if grep -q gpg /proc/cmdline; then
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genkernelopts="${genkernelopts} --luks --gpg"
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elif grep -q luks /etc/fstab || grep -E '^swap|^source' /etc/conf.d/dmcrypt; then
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genkernelopts="${genkernelopts} --luks"
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fi
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#then we go nuts
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genkernel ${genkernelopts} --callback="emerge @module-rebuild" all
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if [ "$?" = "0" ]; then
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printf "Kernel ${bestkern} built successfully, please reboot when convenient.\n"
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return 0
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else
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printf "Kernel ${bestkern} failed to build, please see logs above.\n"
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return 1
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fi
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fi
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elif [ -r /etc/kernels/kernel-config-${arch}-${bestkern} ] && diff -Naur /usr/src/linux/.config /etc/kernels/kernel-config-${arch}-${bestkern}; then
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printf "No updated kernel or config found. No kernel changes needed.\n"
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return 0
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else
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printf "Found an updated config for ${bestkern}, rebuilding...\n"
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fi
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#then we set genkernel options as needed
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genkernelopts="--no-mrproper --disklabel --microcode --compress-initramfs-type=xz --bootloader=grub2"
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if grep -q btrfs /etc/fstab || grep -q btrfs /proc/cmdline; then
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genkernelopts="${genkernelopts} --btrfs"
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fi
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if grep -q zfs /etc/fstab || grep -q zfs /proc/cmdline; then
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genkernelopts="${genkernelopts} --zfs"
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fi
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if grep -q gpg /proc/cmdline; then
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genkernelopts="${genkernelopts} --luks --gpg"
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elif grep -q luks /etc/fstab || grep -E '^swap|^source' /etc/conf.d/dmcrypt; then
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genkernelopts="${genkernelopts} --luks"
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fi
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#then we go nuts
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genkernel ${genkernelopts} --callback="emerge @module-rebuild" all
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if [ "$?" = "0" ]; then
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printf "Kernel ${bestkern} built successfully, please reboot when convenient.\n"
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return 0
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else
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printf "Kernel ${bestkern} failed to build, please see logs above.\n"
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return 1
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fi
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}
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