32 lines
771 B
Bash
32 lines
771 B
Bash
#!/bin/sh
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#
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# Kernel hook for GRUB 2.
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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="$2"
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[ -r /boot/grub/grub.cfg ] \
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&& groot=$(awk '/^set root=/{print substr($2, 8, 3); exit}' \
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/boot/grub/grub.cfg)
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[ -e /boot/grub/device.map ] && [ -n "${groot}" ] \
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&& dev=$(awk "/${groot}/{ print \$NF}" /boot/grub/device.map)
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if [ -n "${dev}" -a -r "${dev}" ]; then
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dd if="${dev}" bs=512 skip=0 count=1 2>/dev/null|grep -q GRUB
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[ $? -eq 0 ] && grub_installed=1
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fi
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if [ -n "${dev}" -a -z "$grub_installed" ]; then
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echo "WARNING: GRUB2 has not been installed into ${dev}."
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echo "WARNING: please run 'grub-install ${dev}'."
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fi
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if command -v grub-mkconfig >/dev/null 2>&1; then
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grub-mkconfig -o /boot/grub/grub.cfg
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exit $?
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fi
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exit 0
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