66 lines
1.5 KiB
Bash
66 lines
1.5 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=${1}
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kernel=$(get_bootpath "/boot/vmlinux-${ver}")
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initrd=$(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 "LABEL 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} >> ${OUTFILE}
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fi
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ENTRY=$(expr ${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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echo "Add kernel ${ver}"
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add_kernel ${ver}
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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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main
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