Adding f3fulltest

bin/f3fulltest

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+# This script assumes that the specified block device can be completely wiped
+
+
+# exit when any command fails
+set -e
+
+disk=$1
+mp=$(mktemp -d)
+
+# f3probe the block device for counterfeit flash memory
+f3probe --destructive --time-ops $disk
+
+# f3write and f3read need a mounted fs
+mkfs.ext4 -D -F -F $disk
+
+mount $disk $mp
+
+f3write $mp
+
+sync
+
+f3read $mp
+
+umount $mp

bin/nextboot

@@ -10,38 +10,18 @@ bootctl is-installed &> /dev/null && sdboot=1
 [[ "$(bootctl reboot-to-firmware)" == "supported" ]] && fwboot=1
 
 
-picksdboot() {
+selectentry() {
-	# Usage: picksdboot <title> <prompt>
+	# Usage: selectentry <title> <prompt>
-	local entry PS3 COLUMNS
+	local sel PS3 COLUMNS
-	PS3="$2 "
-	COLUMNS=1
-
-	# Print title to stderr
-	printf "\n%s\n\n" "$1" >&2
-
-	# Put all systemd-boot loder entry confs into an array
-	mapfile -t sdbootlist < <(systemctl --boot-loader-entry=help)
-
-	# Only add the firmware interface to the list if booting to it is supported
-	[[ -v fwboot ]] && sdbootlist+=("$biosname")
-
-	select entry in "${sdbootlist[@]}"; do
-		break
-	done
-
-	printf "%s" "$entry"
-}
-
-
-pickefi() {
-	# Usage: pickefi <title> <prompt>
-	local bootnext PS3 COLUMNS
 	PS3="$2 "
 	COLUMNS=1
 
 	# Print title to stderr
 	printf "\n%s\n\n" "$1" >&2
 
+	# Populate entry list array
+	# If we're in EFI mode
+	if [[ -v efimode ]]; then
 		# This one is fun
 		# mapfile splits stdin on \n to an array
 		# The sed regex looks for an asterisk in the 8th position (0 indexed),
@@ -49,28 +29,35 @@ pickefi() {
 		#  we care to add to the list.
 		# It *seems* like one could put mapfile at the end of the pipeline, but
 		#  each command gets run in a subshell, so the array is lost. (ref: SC2031)
-	mapfile -t efientries < <(efibootmgr | sed -n '/.\{8\}\*/p')
+		mapfile -t entrylist < <(efibootmgr | sed -n '/.\{8\}\*/p')
 
-	# Rebooting to the firmware interface only works with systemd-boot, so only add
+		# Add firmware interface entry if supported
-	#  it to the EFI mode list if systemd-boot is available and it's supported
+		[[ -v fwboot ]] && entrylist+=("$biosname")
-	[[ -v sdboot && -v fwboot ]] && efientries+=("$biosname")
 
-	select efiselection in "${efientries[@]}"; do
+	# If we're in systemd-boot mode
+	elif [[ ! -v efimode ]]; then
+		# Put all systemd-boot loder entry confs into an array
+		mapfile -t entrylist < <(systemctl --boot-loader-entry=help)
 
-		# If they chose the firmware interface 
+		# Only add the firmware interface to the list if booting to it is supported
-		if [[ "$efiselection" == "$biosname" ]]; then
+		[[ -v fwboot ]] && entrylist+=("$biosname")
-			break
-		else
-			# Take only character 4-8 of the entry, which is the BOOTNUM
-			bootnext="${efiselection:4:4}"
-			break
 	fi
+
+	# Get user selection
+	select sel in "${entrylist[@]}"; do
+		break
 	done
 
-	printf "%s" "$bootnext"
+	# If in efi mode and the user did not select the firmware config menu item, 
+	#  then drop everything except for the BOOTNUM (character 4-8)
+	[[ -v efimode && "$sel" != "$biosname" ]] && sel="${sel:4:4}"
+
+	# Print result to stdout
+	printf "%s" "$sel"
 }
 
 
+# Parse command line options
 while getopts ":en" opt; do
 	case $opt in 
 		e)
@@ -86,66 +73,75 @@ while getopts ":en" opt; do
 	esac
 done
 
+
 # If -e wasn't set, and systemd-boot isn't installed, fail over to efimode anyways
 if [[ ! -v efimode && ! -v sdboot ]]; then
 	echo "W: systemd-boot not installed. Choosing EFI boot entries instead..."
 	efimode=1
 fi
 
+
 # If we're in EFI mode
 if [[ -v efimode ]]; then
 	title="Pick EFI boot entry"
-	prompt="Entry"
 
-	if [[ -v noreboot ]]; then 
+# If we're in systemd-boot mode
-		prompt="$prompt for next boot:"
+elif [[ ! -v efimode ]]; then
-	elif [[ ! -v noreboot ]]; then
+	title="Pick systemd-boot entry config"
-		prompt="$prompt to boot IMMEDIATELY:"
+
 else
 	echo "E: idk how you got here..."
 	exit 1
 fi
 
-	# Prompt for the user's choice
-	choice="$(pickefi "$title" "$prompt")"
-	
-	# A special case to boot into firmware interface
-	if [[ "$choice" == "$biosname" ]]; then
-		sudo bootctl reboot-to-firmware true
-	elif [[ "$choice" != "$biosname" ]]; then
-		sudo efibootmgr -q --bootnext "$choice"
-	fi
-
-# If we're in systemd-boot mode
-elif [[ ! -v efimode ]]; then
-	title="Pick systemd-boot entry config"
-	prompt="Entry"
 
+# Specialize prompt for reboot mode
 if [[ -v noreboot ]]; then
-		prompt="$prompt for next boot:"
+	prompt="Entry for next boot:"
 elif [[ ! -v noreboot ]]; then
-		prompt="$prompt to boot IMMEDIATELY:"
+	prompt="Entry to boot IMMEDIATELY:"
 else
 	echo "E: idk how you got here either..."
 	exit 1
 fi
 
+
 # Prompt for the user's choice
-	choice="$(picksdboot "$title" "$prompt")"
+choice="$(selectentry "$title" "$prompt")"
+
 
 # A special case to boot into firmware interface
 if [[ "$choice" == "$biosname" ]]; then
 	sudo bootctl reboot-to-firmware true
+
+# For all other entry selections
 elif [[ "$choice" != "$biosname" ]]; then
+
+	# If we're in EFI mode
+	if [[ -v efimode ]]; then
+
+		# Set bootnext in nvram
+		sudo efibootmgr -q --bootnext "$choice"
+
+	# If we're in systemd-boot mode
+	elif [[ ! -v efimode ]]; then
+
+		# Set default boot entry only for next boot
 		sudo bootctl set-oneshot "$choice"
+
 		# Add an option to speed past the boot menu, since we've already 
 		#  chosen the desired entry.
 		rebootopts+=("--boot-loader-menu=1")
-	fi
+
 	else
 		echo "E: you DEFINITELY don't belong here..."
 		exit 1
 	fi
+else
+	echo "E: must you insist on breaking my things?"
+	exit 1
+fi
 
 
+# Reboot if necessary
 [[ ! -v noreboot ]] && sudo systemctl reboot "${rebootopts[@]}"