60 lines
2.3 KiB
Plaintext
60 lines
2.3 KiB
Plaintext
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#!/usr/bin/env bash
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#
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# Kernel post-install hook for Void-USB
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# This script generates the symlinks for default /boot/{vmlinuz,initramfs}.
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# It also re-generates the GRUB config.
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#
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# Arguments: $1 package name, $2 kernel version
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PKGNAME="$1"
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VERSION="$2"
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echo "Updating default kernel and initramfs symlinks..."
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#####################
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# Delete old symlinks
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#####################
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OLD_LINUX=/boot/vmlinu?
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if [ ! -f "$OLD_LINUX" ]; then
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# in cases where it’s a .gz or .xz or whatever
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OLD_LINUX=$(find /boot -type l -name "vmlinu*" 2>/dev/null | sort | head -n1)
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fi
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[ -f "$OLD_LINUX" ] && rm "$OLD_LINUX"
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OLD_INITRAMFS=/boot/initramfs.img
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if [ ! -f "$OLD_INITRAMFS" ]; then
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# hope to find anything named initramfs or initrd
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OLD_INITRAMFS=$(find /boot -type l -name "init*" 2>/dev/null | sort | head -n1)
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fi
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[ -f "$OLD_INITRAMFS" ] && rm "$OLD_INITRAMFS"
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#####################
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# Create new symlinks
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#####################
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NEW_LINUX_FILE="$(find /boot -name "*$VERSION*" 2>/dev/null | sed 's|^/boot/||' | grep -e '^vmlinu' -e '^linux' -e '^linuz' -e '^kernel')"
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NEW_LINUX_SYMLINK="vmlinuz"
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if grep -e '^vmlinux' -e '^linux' -e '^kernel' >/dev/null 2>&1 <<< "$NEW_LINUX_FILE"; then
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NEW_LINUX_SYMLINK="vmlinux"
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fi
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if grep -e ".gz$" -e ".xz$" -e ".bz$" -e ".bz2$" -e ".lzma$" -e ".lz$" -e ".img$" >/dev/null 2>&1 <<< "$NEW_LINUX_FILE"; then
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NEW_LINUX_SYMLINK="$NEW_LINUX_SYMLINK$(grep -o -e ".gz$" -e ".xz$" -e ".bz$" -e ".bz2$" -e ".lzma$" -e ".lz$" -e ".img$" 2>/dev/null <<< "$NEW_LINUX_FILE")"
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fi
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ln -s "$NEW_LINUX_FILE" "/boot/$NEW_LINUX_SYMLINK"
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NEW_INITRAMFS_FILE="$(find /boot -name "init*$VERSION*" 2>/dev/null | sed 's|^/boot/||')"
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NEW_INITRAMFS_SYMLINK="initramfs"
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if grep '^initrd' >/dev/null 2>&1 <<< "$NEW_INITRAMFS_FILE"; then
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NEW_INITRAMFS_SYMLINK="initrd"
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fi
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if grep -e ".gz$" -e ".xz$" -e ".bz$" -e ".bz2$" -e ".lzma$" -e ".lz$" -e ".img$" >/dev/null 2>&1 <<< "$NEW_INITRAMFS_FILE"; then
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NEW_INITRAMFS_SYMLINK="$NEW_INITRAMFS_SYMLINK$(grep -o -e ".gz$" -e ".xz$" -e ".bz$" -e ".bz2$" -e ".lzma$" -e ".lz$" -e ".img$" 2>/dev/null <<< "$NEW_INITRAMFS_FILE")"
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fi
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ln -s "$NEW_INITRAMFS_FILE" "/boot/$NEW_INITRAMFS_SYMLINK"
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echo "Default kernel and initramfs are now: $NEW_LINUX_FILE, $NEW_INITRAMFS_FILE"
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####################
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# Update GRUB config
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####################
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/opt/void-usb/grub-config
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