mirror of
https://github.com/void-linux/void-packages.git
synced 2025-10-03 09:05:09 +02:00
72 lines
1.7 KiB
Bash
72 lines
1.7 KiB
Bash
#!/bin/sh
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header() {
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printf "TIMEOUT %s\n" "${TIMEOUT}" > "${OUTFILE}"
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printf "DEFAULT entry0\n" >> "${OUTFILE}"
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printf "MENU TITLE Boot menu\n" >> "${OUTFILE}"
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}
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get_bootpath() {
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echo "${1}" | sed "s#${BOOTPART}/#/#"
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}
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add_kernel() {
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ver="${1}"
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suffix="${2}"
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kernel=$(get_bootpath "/boot/vmlinu${suffix}-${ver}")
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initrd=$(get_bootpath "/boot/initramfs-${ver}.img")
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devicetreedir=$(get_bootpath "/boot/dtbs/dtbs-${ver}")
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fdt=$(get_bootpath "/boot/dtbs/dtbs-${ver}/${DTBPATH}")
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cmdline="${CMDLINE}"
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printf "\nLABEL entry%s\n" "${ENTRY}" >> "${OUTFILE}"
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printf "\tMENU LABEL Void Linux Version %s\n" "${ver}" >> "${OUTFILE}"
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printf "\tLINUX %s\n" "${kernel}" >> "${OUTFILE}"
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if [ -e "${BOOTPART}/${initrd}" ]; then
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printf "\tINITRD %s\n" "${initrd}" >> "${OUTFILE}"
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fi
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if [ -n "${USE_DEVICETREEDIR}" ]; then
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printf "\tDEVICETREEDIR %s\n" "${devicetreedir}" >> "${OUTFILE}"
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elif [ -n "${DTBPATH}" ] && [ -e "${BOOTPART}/${fdt}" ]; then
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printf "\tFDT %s\n" "${fdt}" >> "${OUTFILE}"
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fi
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if [ -n "${cmdline}" ]; then
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printf "\tAPPEND %s\n" "${cmdline}" >> "${OUTFILE}"
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fi
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ENTRY=$((ENTRY + 1))
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}
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main() {
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if [ ! -d /boot/extlinux ]; then
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rm "${OUTFILE}"
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exit 0
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fi
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if [ -e ${CONF} ]; then
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. ${CONF}
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fi
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if [ -z "${CMDLINE}" ]; then
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CMDLINE=$(cat /proc/cmdline)
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fi
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header
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for kernel in $(ls /boot/vmlinu[xz]-* | sort -rV); do
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ver=$(echo "${kernel}" | sed "s#/boot/vmlinu[xz]-\(.*\)#\\1#")
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suffix=$(echo "${kernel}" | sed "s#/boot/vmlinu\([xz]\).*#\\1#")
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echo "Add kernel ${ver}"
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add_kernel "${ver}" "${suffix}"
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done
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mv "${OUTFILE}" /boot/extlinux/extlinux.conf
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}
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CONF=/etc/default/extlinux
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OUTFILE=$(mktemp)
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BOOTPART=$(df -P /boot | tail -1 | awk '{ print $6 }')
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ENTRY=0
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TIMEOUT=10
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main
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