42 lines
1.1 KiB
Bash
42 lines
1.1 KiB
Bash
#!/usr/bin/sh
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#
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# Kernel hook for efibootmgr.
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#
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# Arguments passed to this script: $1 pkgname, $2 version.
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#
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PKGNAME="$1"
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VERSION="$2"
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. "${ROOTDIR}/etc/default/efibootmgr-kernel-hook"
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if [ "x${MODIFY_EFI_ENTRIES}" != x1 ]; then
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exit 0
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fi
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OPTIONS="${OPTIONS} initrd=/initramfs-${VERSION}.img"
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args=""
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if [ "x${DISK}" != x ]; then
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args="-d $DISK"
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fi
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# get major version, e.g. "4.8" for "linux4.8"
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major_version=$(echo $PKGNAME | cut -c 6-)
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# look for previous entry for this major kernel version
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existing_entry=$(efibootmgr | grep "Void Linux with kernel ${major_version}")
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# get the boot order
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# this is required because when in the next step the existing entry is removed,
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# it is also removed from the order so it needs to be restored later
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bootorder=$(efibootmgr |grep "BootOrder: " |cut -c 12-)
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# if existing, remove it
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if [ "$existing_entry" != "" ]; then
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/etc/kernel.d/post-remove/50-efibootmgr $PKGNAME
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fi
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# create the new entry
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efibootmgr -qc $args -L "Void Linux with kernel ${major_version}" -l /vmlinuz-${VERSION} -u "${OPTIONS}"
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# restore the boot order
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efibootmgr -qo $bootorder
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