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No commits in common. "77c6312ead9c3d77f3e6f0f77b3cf7561a8feb3a" and "9952d040568d3f8bbbf494e4188badceaefc76cc" have entirely different histories.
77c6312ead
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9952d04056
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@ -1,26 +0,0 @@
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#!/usr/bin/env bash
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# This script assumes that the specified block device can be completely wiped
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# exit when any command fails
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set -e
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disk=$1
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mp=$(mktemp -d)
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# f3probe the block device for counterfeit flash memory
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f3probe --destructive --time-ops $disk
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# f3write and f3read need a mounted fs
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mkfs.ext4 -D -F -F $disk
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mount $disk $mp
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f3write $mp
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sync
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f3read $mp
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umount $mp
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140
bin/nextboot
140
bin/nextboot
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@ -10,18 +10,38 @@ bootctl is-installed &> /dev/null && sdboot=1
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[[ "$(bootctl reboot-to-firmware)" == "supported" ]] && fwboot=1
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selectentry() {
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# Usage: selectentry <title> <prompt>
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local sel PS3 COLUMNS
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picksdboot() {
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# Usage: picksdboot <title> <prompt>
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local entry PS3 COLUMNS
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PS3="$2 "
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COLUMNS=1
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# Print title to stderr
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printf "\n%s\n\n" "$1" >&2
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# Put all systemd-boot loder entry confs into an array
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mapfile -t sdbootlist < <(systemctl --boot-loader-entry=help)
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# Only add the firmware interface to the list if booting to it is supported
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[[ -v fwboot ]] && sdbootlist+=("$biosname")
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select entry in "${sdbootlist[@]}"; do
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break
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done
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printf "%s" "$entry"
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}
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pickefi() {
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# Usage: pickefi <title> <prompt>
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local bootnext PS3 COLUMNS
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PS3="$2 "
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COLUMNS=1
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# Print title to stderr
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printf "\n%s\n\n" "$1" >&2
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# Populate entry list array
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# If we're in EFI mode
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if [[ -v efimode ]]; then
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# This one is fun
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# mapfile splits stdin on \n to an array
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# The sed regex looks for an asterisk in the 8th position (0 indexed),
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@ -29,35 +49,28 @@ selectentry() {
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# we care to add to the list.
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# It *seems* like one could put mapfile at the end of the pipeline, but
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# each command gets run in a subshell, so the array is lost. (ref: SC2031)
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mapfile -t entrylist < <(efibootmgr | sed -n '/.\{8\}\*/p')
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mapfile -t efientries < <(efibootmgr | sed -n '/.\{8\}\*/p')
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# Add firmware interface entry if supported
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[[ -v fwboot ]] && entrylist+=("$biosname")
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# Rebooting to the firmware interface only works with systemd-boot, so only add
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# it to the EFI mode list if systemd-boot is available and it's supported
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[[ -v sdboot && -v fwboot ]] && efientries+=("$biosname")
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# If we're in systemd-boot mode
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elif [[ ! -v efimode ]]; then
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# Put all systemd-boot loder entry confs into an array
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mapfile -t entrylist < <(systemctl --boot-loader-entry=help)
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select efiselection in "${efientries[@]}"; do
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# Only add the firmware interface to the list if booting to it is supported
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[[ -v fwboot ]] && entrylist+=("$biosname")
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fi
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# Get user selection
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select sel in "${entrylist[@]}"; do
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# If they chose the firmware interface
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if [[ "$efiselection" == "$biosname" ]]; then
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break
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else
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# Take only character 4-8 of the entry, which is the BOOTNUM
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bootnext="${efiselection:4:4}"
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break
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fi
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done
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# If in efi mode and the user did not select the firmware config menu item,
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# then drop everything except for the BOOTNUM (character 4-8)
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[[ -v efimode && "$sel" != "$biosname" ]] && sel="${sel:4:4}"
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# Print result to stdout
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printf "%s" "$sel"
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printf "%s" "$bootnext"
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}
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# Parse command line options
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while getopts ":en" opt; do
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case $opt in
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e)
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@ -73,75 +86,66 @@ while getopts ":en" opt; do
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esac
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done
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# If -e wasn't set, and systemd-boot isn't installed, fail over to efimode anyways
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if [[ ! -v efimode && ! -v sdboot ]]; then
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echo "W: systemd-boot not installed. Choosing EFI boot entries instead..."
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efimode=1
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fi
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# If we're in EFI mode
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if [[ -v efimode ]]; then
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title="Pick EFI boot entry"
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prompt="Entry"
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if [[ -v noreboot ]]; then
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prompt="$prompt for next boot:"
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elif [[ ! -v noreboot ]]; then
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prompt="$prompt to boot IMMEDIATELY:"
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else
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echo "E: idk how you got here..."
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exit 1
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fi
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# Prompt for the user's choice
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choice="$(pickefi "$title" "$prompt")"
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# A special case to boot into firmware interface
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if [[ "$choice" == "$biosname" ]]; then
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sudo bootctl reboot-to-firmware true
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elif [[ "$choice" != "$biosname" ]]; then
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sudo efibootmgr -q --bootnext "$choice"
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fi
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# If we're in systemd-boot mode
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elif [[ ! -v efimode ]]; then
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title="Pick systemd-boot entry config"
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prompt="Entry"
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else
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echo "E: idk how you got here..."
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exit 1
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fi
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# Specialize prompt for reboot mode
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if [[ -v noreboot ]]; then
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prompt="Entry for next boot:"
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elif [[ ! -v noreboot ]]; then
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prompt="Entry to boot IMMEDIATELY:"
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else
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if [[ -v noreboot ]]; then
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prompt="$prompt for next boot:"
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elif [[ ! -v noreboot ]]; then
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prompt="$prompt to boot IMMEDIATELY:"
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else
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echo "E: idk how you got here either..."
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exit 1
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fi
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fi
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# Prompt for the user's choice
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choice="$(picksdboot "$title" "$prompt")"
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# Prompt for the user's choice
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choice="$(selectentry "$title" "$prompt")"
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# A special case to boot into firmware interface
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if [[ "$choice" == "$biosname" ]]; then
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# A special case to boot into firmware interface
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if [[ "$choice" == "$biosname" ]]; then
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sudo bootctl reboot-to-firmware true
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# For all other entry selections
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elif [[ "$choice" != "$biosname" ]]; then
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# If we're in EFI mode
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if [[ -v efimode ]]; then
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# Set bootnext in nvram
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sudo efibootmgr -q --bootnext "$choice"
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# If we're in systemd-boot mode
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elif [[ ! -v efimode ]]; then
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# Set default boot entry only for next boot
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elif [[ "$choice" != "$biosname" ]]; then
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sudo bootctl set-oneshot "$choice"
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# Add an option to speed past the boot menu, since we've already
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# chosen the desired entry.
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rebootopts+=("--boot-loader-menu=1")
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else
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echo "E: you DEFINITELY don't belong here..."
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exit 1
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fi
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else
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echo "E: must you insist on breaking my things?"
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echo "E: you DEFINITELY don't belong here..."
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exit 1
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fi
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# Reboot if necessary
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[[ ! -v noreboot ]] && sudo systemctl reboot "${rebootopts[@]}"
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